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 INTEL_TLV_GIT_SHA1
46 };
47
48 struct intel_tlv {
49 u8 type;
50 u8 len;
51 u8 val[];
52 } __packed;
53
54 struct intel_version_tlv {
55 u32 cnvi_top;
56 u32 cnvr_top;
57 u32 cnvi_bt;
58 u32 cnvr_bt;
59 u16 dev_rev_id;
60 u8 img_type;
61 u16 timestamp;
62 u8 build_type;
63 u32 build_num;
64 u8 secure_boot;
65 u8 otp_lock;
66 u8 api_lock;
67 u8 debug_lock;
68 u8 min_fw_build_nn;
69 u8 min_fw_build_cw;
70 u8 min_fw_build_yy;
71 u8 limited_cce;
72 u8 sbe_type;
73 u32 git_sha1;
74 bdaddr_t otp_bd_addr;
75 };
76
77 struct intel_version {
78 u8 status;
79 u8 hw_platform;
80 u8 hw_variant;
81 u8 hw_revision;
82 u8 fw_variant;
83 u8 fw_revision;
84 u8 fw_build_num;
85 u8 fw_build_ww;
86 u8 fw_build_yy;
87 u8 fw_patch_num;
88 } __packed;
89
90 struct intel_boot_params {
91 __u8 status;
92 __u8 otp_format;
93 __u8 otp_content;
94 __u8 otp_patch;
95 __le16 dev_revid;
96 __u8 secure_boot;
97 __u8 key_from_hdr;
98 __u8 key_type;
99 __u8 otp_lock;
100 __u8 api_lock;
101 __u8 debug_lock;
102 bdaddr_t otp_bdaddr;
103 __u8 min_fw_build_nn;
104 __u8 min_fw_build_cw;
105 __u8 min_fw_build_yy;
106 __u8 limited_cce;
107 __u8 unlocked_state;
108 } __packed;
109
110 struct intel_bootup {
111 __u8 zero;
112 __u8 num_cmds;
113 __u8 source;
114 __u8 reset_type;
115 __u8 reset_reason;
116 __u8 ddc_status;
117 } __packed;
118
119 struct intel_secure_send_result {
120 __u8 result;
121 __le16 opcode;
122 __u8 status;
123 } __packed;
124
125 struct intel_reset {
126 __u8 reset_type;
127 __u8 patch_enable;
128 __u8 ddc_reload;
129 __u8 boot_option;
130 __le32 boot_param;
131 } __packed;
132
133 struct intel_debug_features {
134 __u8 page1[16];
135 } __packed;
136
137 struct intel_offload_use_cases {
138 __u8 status;
139 __u8 preset[8];
140 } __packed;
141
142 #define INTEL_OP_PPAG_CMD 0xFE0B
143 struct hci_ppag_enable_cmd {
144 __le32 ppag_enable_flags;
145 } __packed;
146
147 #define INTEL_TLV_TYPE_ID 0x01
148
149 #define INTEL_TLV_SYSTEM_EXCEPTION 0x00
150 #define INTEL_TLV_FATAL_EXCEPTION 0x01
151 #define INTEL_TLV_DEBUG_EXCEPTION 0x02
152 #define INTEL_TLV_TEST_EXCEPTION 0xDE
153
154 #define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
155 #define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
156 #define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
157 #define INTEL_CNVX_TOP_STEP(cnvx_top) (((cnvx_top) & 0x0f000000) >> 24)
158 #define INTEL_CNVX_TOP_PACK_SWAB(t, s) __swab16(((__u16)(((t) << 4) | (s))))
159
160 enum {
161 INTEL_BOOTLOADER,
162 INTEL_DOWNLOADING,
163 INTEL_FIRMWARE_LOADED,
164 INTEL_FIRMWARE_FAILED,
165 INTEL_BOOTING,
166 INTEL_BROKEN_INITIAL_NCMD,
167 INTEL_BROKEN_SHUTDOWN_LED,
168 INTEL_ROM_LEGACY,
169 INTEL_ROM_LEGACY_NO_WBS_SUPPORT,
170 INTEL_ACPI_RESET_ACTIVE,
171
172 __INTEL_NUM_FLAGS,
173 };
174
175 struct btintel_data {
176 DECLARE_BITMAP(flags, __INTEL_NUM_FLAGS);
177 int (*acpi_reset_method)(struct hci_dev *hdev);
178 };
179
180 #define btintel_set_flag(hdev, nr) \
181 do { \
182 struct btintel_data *intel = hci_get_priv((hdev)); \
183 set_bit((nr), intel->flags); \
184 } while (0)
185
186 #define btintel_clear_flag(hdev, nr) \
187 do { \
188 struct btintel_data *intel = hci_get_priv((hdev)); \
189 clear_bit((nr), intel->flags); \
190 } while (0)
191
192 #define btintel_wake_up_flag(hdev, nr) \
193 do { \
194 struct btintel_data *intel = hci_get_priv((hdev)); \
195 wake_up_bit(intel->flags, (nr)); \
196 } while (0)
197
198 #define btintel_get_flag(hdev) \
199 (((struct btintel_data *)hci_get_priv(hdev))->flags)
200
201 #define btintel_test_flag(hdev, nr) test_bit((nr), btintel_get_flag(hdev))
202 #define btintel_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), btintel_get_flag(hdev))
203 #define btintel_wait_on_flag_timeout(hdev, nr, m, to) \
204 wait_on_bit_timeout(btintel_get_flag(hdev), (nr), m, to)
205
206 #if IS_ENABLED(CONFIG_BT_INTEL)
207
208 int btintel_check_bdaddr(struct hci_dev *hdev);
209 int btintel_enter_mfg(struct hci_dev *hdev);
210 int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
211 int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
212 int btintel_set_diag(struct hci_dev *hdev, bool enable);
213
214 int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
215 int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
216 int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
217 int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
218 struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
219 u16 opcode_write);
220 int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
221 int btintel_read_boot_params(struct hci_dev *hdev,
222 struct intel_boot_params *params);
223 int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
224 const struct firmware *fw, u32 *boot_param);
225 int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name);
226 int btintel_recv_event(struct hci_dev *hdev, struct sk_buff *skb);
227 void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
228 void btintel_secure_send_result(struct hci_dev *hdev,
229 const void *ptr, unsigned int len);
230 int btintel_set_quality_report(struct hci_dev *hdev, bool enable);
231 #else
232
btintel_check_bdaddr(struct hci_dev * hdev)233 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
234 {
235 return -EOPNOTSUPP;
236 }
237
btintel_enter_mfg(struct hci_dev * hdev)238 static inline int btintel_enter_mfg(struct hci_dev *hdev)
239 {
240 return -EOPNOTSUPP;
241 }
242
btintel_exit_mfg(struct hci_dev * hdev,bool reset,bool patched)243 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
244 {
245 return -EOPNOTSUPP;
246 }
247
btintel_set_bdaddr(struct hci_dev * hdev,const bdaddr_t * bdaddr)248 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
249 {
250 return -EOPNOTSUPP;
251 }
252
btintel_set_diag(struct hci_dev * hdev,bool enable)253 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
254 {
255 return -EOPNOTSUPP;
256 }
257
btintel_version_info(struct hci_dev * hdev,struct intel_version * ver)258 static inline int btintel_version_info(struct hci_dev *hdev,
259 struct intel_version *ver)
260 {
261 return -EOPNOTSUPP;
262 }
263
btintel_load_ddc_config(struct hci_dev * hdev,const char * ddc_name)264 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
265 const char *ddc_name)
266 {
267 return -EOPNOTSUPP;
268 }
269
btintel_set_event_mask_mfg(struct hci_dev * hdev,bool debug)270 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
271 {
272 return -EOPNOTSUPP;
273 }
274
btintel_read_version(struct hci_dev * hdev,struct intel_version * ver)275 static inline int btintel_read_version(struct hci_dev *hdev,
276 struct intel_version *ver)
277 {
278 return -EOPNOTSUPP;
279 }
280
btintel_regmap_init(struct hci_dev * hdev,u16 opcode_read,u16 opcode_write)281 static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
282 u16 opcode_read,
283 u16 opcode_write)
284 {
285 return ERR_PTR(-EINVAL);
286 }
287
btintel_send_intel_reset(struct hci_dev * hdev,u32 reset_param)288 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
289 u32 reset_param)
290 {
291 return -EOPNOTSUPP;
292 }
293
btintel_read_boot_params(struct hci_dev * hdev,struct intel_boot_params * params)294 static inline int btintel_read_boot_params(struct hci_dev *hdev,
295 struct intel_boot_params *params)
296 {
297 return -EOPNOTSUPP;
298 }
299
btintel_download_firmware(struct hci_dev * dev,const struct firmware * fw,u32 * boot_param)300 static inline int btintel_download_firmware(struct hci_dev *dev,
301 const struct firmware *fw,
302 u32 *boot_param)
303 {
304 return -EOPNOTSUPP;
305 }
306
btintel_configure_setup(struct hci_dev * hdev,const char * driver_name)307 static inline int btintel_configure_setup(struct hci_dev *hdev,
308 const char *driver_name)
309 {
310 return -ENODEV;
311 }
312
btintel_bootup(struct hci_dev * hdev,const void * ptr,unsigned int len)313 static inline void btintel_bootup(struct hci_dev *hdev,
314 const void *ptr, unsigned int len)
315 {
316 }
317
btintel_secure_send_result(struct hci_dev * hdev,const void * ptr,unsigned int len)318 static inline void btintel_secure_send_result(struct hci_dev *hdev,
319 const void *ptr, unsigned int len)
320 {
321 }
322
btintel_set_quality_report(struct hci_dev * hdev,bool enable)323 static inline int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
324 {
325 return -ENODEV;
326 }
327 #endif
328