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
btintel_check_bdaddr(struct hci_dev * hdev)229 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
230 {
231 return -EOPNOTSUPP;
232 }
233
btintel_enter_mfg(struct hci_dev * hdev)234 static inline int btintel_enter_mfg(struct hci_dev *hdev)
235 {
236 return -EOPNOTSUPP;
237 }
238
btintel_exit_mfg(struct hci_dev * hdev,bool reset,bool patched)239 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
240 {
241 return -EOPNOTSUPP;
242 }
243
btintel_set_bdaddr(struct hci_dev * hdev,const bdaddr_t * bdaddr)244 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
245 {
246 return -EOPNOTSUPP;
247 }
248
btintel_set_diag(struct hci_dev * hdev,bool enable)249 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
250 {
251 return -EOPNOTSUPP;
252 }
253
btintel_version_info(struct hci_dev * hdev,struct intel_version * ver)254 static inline int btintel_version_info(struct hci_dev *hdev,
255 struct intel_version *ver)
256 {
257 return -EOPNOTSUPP;
258 }
259
btintel_load_ddc_config(struct hci_dev * hdev,const char * ddc_name)260 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
261 const char *ddc_name)
262 {
263 return -EOPNOTSUPP;
264 }
265
btintel_set_event_mask_mfg(struct hci_dev * hdev,bool debug)266 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
267 {
268 return -EOPNOTSUPP;
269 }
270
btintel_read_version(struct hci_dev * hdev,struct intel_version * ver)271 static inline int btintel_read_version(struct hci_dev *hdev,
272 struct intel_version *ver)
273 {
274 return -EOPNOTSUPP;
275 }
276
btintel_regmap_init(struct hci_dev * hdev,u16 opcode_read,u16 opcode_write)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
btintel_send_intel_reset(struct hci_dev * hdev,u32 reset_param)284 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
285 u32 reset_param)
286 {
287 return -EOPNOTSUPP;
288 }
289
btintel_read_boot_params(struct hci_dev * hdev,struct intel_boot_params * params)290 static inline int btintel_read_boot_params(struct hci_dev *hdev,
291 struct intel_boot_params *params)
292 {
293 return -EOPNOTSUPP;
294 }
295
btintel_download_firmware(struct hci_dev * dev,const struct firmware * fw,u32 * boot_param)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
btintel_configure_setup(struct hci_dev * hdev)303 static inline int btintel_configure_setup(struct hci_dev *hdev)
304 {
305 return -ENODEV;
306 }
307
btintel_bootup(struct hci_dev * hdev,const void * ptr,unsigned int len)308 static inline void btintel_bootup(struct hci_dev *hdev,
309 const void *ptr, unsigned int len)
310 {
311 }
312
btintel_secure_send_result(struct hci_dev * hdev,const void * ptr,unsigned int len)313 static inline void btintel_secure_send_result(struct hci_dev *hdev,
314 const void *ptr, unsigned int len)
315 {
316 }
317
btintel_set_quality_report(struct hci_dev * hdev,bool enable)318 static inline int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
319 {
320 return -ENODEV;
321 }
322 #endif
323