Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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 */
10enum {
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 INTEL_TLV_FW_ID = 0x50
47};
48
49struct intel_tlv {
50 u8 type;
51 u8 len;
52 u8 val[];
53} __packed;
54
55#define BTINTEL_HCI_OP_RESET 0xfc01
56
57#define BTINTEL_CNVI_BLAZARI 0x900
58#define BTINTEL_CNVI_BLAZARIW 0x901
59#define BTINTEL_CNVI_GAP 0x910
60#define BTINTEL_CNVI_BLAZARU 0x930
61#define BTINTEL_CNVI_SCP 0xA00
62
63/* CNVR */
64#define BTINTEL_CNVR_FMP2 0x910
65
66#define BTINTEL_IMG_BOOTLOADER 0x01 /* Bootloader image */
67#define BTINTEL_IMG_IML 0x02 /* Intermediate image */
68#define BTINTEL_IMG_OP 0x03 /* Operational image */
69
70#define BTINTEL_FWID_MAXLEN 64
71
72struct intel_version_tlv {
73 u32 cnvi_top;
74 u32 cnvr_top;
75 u32 cnvi_bt;
76 u32 cnvr_bt;
77 u16 dev_rev_id;
78 u8 img_type;
79 u16 timestamp;
80 u8 build_type;
81 u32 build_num;
82 u8 secure_boot;
83 u8 otp_lock;
84 u8 api_lock;
85 u8 debug_lock;
86 u8 min_fw_build_nn;
87 u8 min_fw_build_cw;
88 u8 min_fw_build_yy;
89 u8 limited_cce;
90 u8 sbe_type;
91 u32 git_sha1;
92 u8 fw_id[BTINTEL_FWID_MAXLEN];
93 bdaddr_t otp_bd_addr;
94};
95
96struct intel_version {
97 u8 status;
98 u8 hw_platform;
99 u8 hw_variant;
100 u8 hw_revision;
101 u8 fw_variant;
102 u8 fw_revision;
103 u8 fw_build_num;
104 u8 fw_build_ww;
105 u8 fw_build_yy;
106 u8 fw_patch_num;
107} __packed;
108
109struct intel_boot_params {
110 __u8 status;
111 __u8 otp_format;
112 __u8 otp_content;
113 __u8 otp_patch;
114 __le16 dev_revid;
115 __u8 secure_boot;
116 __u8 key_from_hdr;
117 __u8 key_type;
118 __u8 otp_lock;
119 __u8 api_lock;
120 __u8 debug_lock;
121 bdaddr_t otp_bdaddr;
122 __u8 min_fw_build_nn;
123 __u8 min_fw_build_cw;
124 __u8 min_fw_build_yy;
125 __u8 limited_cce;
126 __u8 unlocked_state;
127} __packed;
128
129struct intel_bootup {
130 __u8 zero;
131 __u8 num_cmds;
132 __u8 source;
133 __u8 reset_type;
134 __u8 reset_reason;
135 __u8 ddc_status;
136} __packed;
137
138struct intel_secure_send_result {
139 __u8 result;
140 __le16 opcode;
141 __u8 status;
142} __packed;
143
144struct intel_reset {
145 __u8 reset_type;
146 __u8 patch_enable;
147 __u8 ddc_reload;
148 __u8 boot_option;
149 __le32 boot_param;
150} __packed;
151
152struct intel_debug_features {
153 __u8 page1[16];
154} __packed;
155
156struct intel_offload_use_cases {
157 __u8 status;
158 __u8 preset[8];
159} __packed;
160
161#define INTEL_OP_PPAG_CMD 0xFE0B
162struct hci_ppag_enable_cmd {
163 __le32 ppag_enable_flags;
164} __packed;
165
166#define INTEL_TLV_TYPE_ID 0x01
167
168#define INTEL_TLV_SYSTEM_EXCEPTION 0x00
169#define INTEL_TLV_FATAL_EXCEPTION 0x01
170#define INTEL_TLV_DEBUG_EXCEPTION 0x02
171#define INTEL_TLV_TEST_EXCEPTION 0xDE
172
173struct btintel_cp_ddc_write {
174 u8 len;
175 __le16 id;
176 u8 data[];
177} __packed;
178
179/* Bluetooth SAR feature (BRDS), Revision 1 */
180struct btintel_sar_inc_pwr {
181 u8 revision;
182 u32 bt_sar_bios; /* Mode of SAR control to be used, 1:enabled in bios */
183 u32 inc_power_mode; /* Increased power mode */
184 u8 sar_2400_chain_a; /* Sar power restriction LB */
185 u8 br;
186 u8 edr2;
187 u8 edr3;
188 u8 le;
189 u8 le_2mhz;
190 u8 le_lr;
191};
192
193#define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
194#define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
195#define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
196#define INTEL_CNVX_TOP_STEP(cnvx_top) (((cnvx_top) & 0x0f000000) >> 24)
197#define INTEL_CNVX_TOP_PACK_SWAB(t, s) __swab16(((__u16)(((t) << 4) | (s))))
198
199enum {
200 INTEL_BOOTLOADER,
201 INTEL_DOWNLOADING,
202 INTEL_FIRMWARE_LOADED,
203 INTEL_FIRMWARE_FAILED,
204 INTEL_BOOTING,
205 INTEL_BROKEN_INITIAL_NCMD,
206 INTEL_BROKEN_SHUTDOWN_LED,
207 INTEL_ROM_LEGACY,
208 INTEL_ROM_LEGACY_NO_WBS_SUPPORT,
209 INTEL_ACPI_RESET_ACTIVE,
210 INTEL_WAIT_FOR_D0,
211
212 __INTEL_NUM_FLAGS,
213};
214
215struct btintel_data {
216 DECLARE_BITMAP(flags, __INTEL_NUM_FLAGS);
217 int (*acpi_reset_method)(struct hci_dev *hdev);
218};
219
220#define btintel_set_flag(hdev, nr) \
221 do { \
222 struct btintel_data *intel = hci_get_priv((hdev)); \
223 set_bit((nr), intel->flags); \
224 } while (0)
225
226#define btintel_clear_flag(hdev, nr) \
227 do { \
228 struct btintel_data *intel = hci_get_priv((hdev)); \
229 clear_bit((nr), intel->flags); \
230 } while (0)
231
232#define btintel_wake_up_flag(hdev, nr) \
233 do { \
234 struct btintel_data *intel = hci_get_priv((hdev)); \
235 wake_up_bit(intel->flags, (nr)); \
236 } while (0)
237
238#define btintel_get_flag(hdev) \
239 (((struct btintel_data *)hci_get_priv(hdev))->flags)
240
241#define btintel_test_flag(hdev, nr) test_bit((nr), btintel_get_flag(hdev))
242#define btintel_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), btintel_get_flag(hdev))
243#define btintel_wait_on_flag_timeout(hdev, nr, m, to) \
244 wait_on_bit_timeout(btintel_get_flag(hdev), (nr), m, to)
245
246#if IS_ENABLED(CONFIG_BT_INTEL) || IS_ENABLED(CONFIG_BT_INTEL_PCIE)
247
248int btintel_check_bdaddr(struct hci_dev *hdev);
249int btintel_enter_mfg(struct hci_dev *hdev);
250int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
251int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
252int btintel_set_diag(struct hci_dev *hdev, bool enable);
253
254int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
255int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
256int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
257int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
258struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
259 u16 opcode_write);
260int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
261int btintel_read_boot_params(struct hci_dev *hdev,
262 struct intel_boot_params *params);
263int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
264 const struct firmware *fw, u32 *boot_param);
265int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name);
266int btintel_recv_event(struct hci_dev *hdev, struct sk_buff *skb);
267void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
268void btintel_secure_send_result(struct hci_dev *hdev,
269 const void *ptr, unsigned int len);
270int btintel_set_quality_report(struct hci_dev *hdev, bool enable);
271int btintel_version_info_tlv(struct hci_dev *hdev,
272 struct intel_version_tlv *version);
273int btintel_parse_version_tlv(struct hci_dev *hdev,
274 struct intel_version_tlv *version,
275 struct sk_buff *skb);
276void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant);
277int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
278 struct intel_version_tlv *ver);
279int btintel_shutdown_combined(struct hci_dev *hdev);
280void btintel_hw_error(struct hci_dev *hdev, u8 code);
281void btintel_print_fseq_info(struct hci_dev *hdev);
282#else
283
284static inline int btintel_check_bdaddr(struct hci_dev *hdev)
285{
286 return -EOPNOTSUPP;
287}
288
289static inline int btintel_enter_mfg(struct hci_dev *hdev)
290{
291 return -EOPNOTSUPP;
292}
293
294static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
295{
296 return -EOPNOTSUPP;
297}
298
299static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
300{
301 return -EOPNOTSUPP;
302}
303
304static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
305{
306 return -EOPNOTSUPP;
307}
308
309static inline int btintel_version_info(struct hci_dev *hdev,
310 struct intel_version *ver)
311{
312 return -EOPNOTSUPP;
313}
314
315static inline int btintel_load_ddc_config(struct hci_dev *hdev,
316 const char *ddc_name)
317{
318 return -EOPNOTSUPP;
319}
320
321static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
322{
323 return -EOPNOTSUPP;
324}
325
326static inline int btintel_read_version(struct hci_dev *hdev,
327 struct intel_version *ver)
328{
329 return -EOPNOTSUPP;
330}
331
332static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
333 u16 opcode_read,
334 u16 opcode_write)
335{
336 return ERR_PTR(-EINVAL);
337}
338
339static inline int btintel_send_intel_reset(struct hci_dev *hdev,
340 u32 reset_param)
341{
342 return -EOPNOTSUPP;
343}
344
345static inline int btintel_read_boot_params(struct hci_dev *hdev,
346 struct intel_boot_params *params)
347{
348 return -EOPNOTSUPP;
349}
350
351static inline int btintel_download_firmware(struct hci_dev *dev,
352 const struct firmware *fw,
353 u32 *boot_param)
354{
355 return -EOPNOTSUPP;
356}
357
358static inline int btintel_configure_setup(struct hci_dev *hdev,
359 const char *driver_name)
360{
361 return -ENODEV;
362}
363
364static inline void btintel_bootup(struct hci_dev *hdev,
365 const void *ptr, unsigned int len)
366{
367}
368
369static inline void btintel_secure_send_result(struct hci_dev *hdev,
370 const void *ptr, unsigned int len)
371{
372}
373
374static inline int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
375{
376 return -ENODEV;
377}
378
379static inline int btintel_version_info_tlv(struct hci_dev *hdev,
380 struct intel_version_tlv *version)
381{
382 return -EOPNOTSUPP;
383}
384
385static inline int btintel_parse_version_tlv(struct hci_dev *hdev,
386 struct intel_version_tlv *version,
387 struct sk_buff *skb)
388{
389 return -EOPNOTSUPP;
390}
391
392static inline void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant)
393
394{
395}
396
397static inline int btintel_bootloader_setup_tlv(struct hci_dev *hdev,
398 struct intel_version_tlv *ver)
399{
400 return -ENODEV;
401}
402
403static inline int btintel_shutdown_combined(struct hci_dev *hdev)
404{
405 return -ENODEV;
406}
407
408static inline void btintel_hw_error(struct hci_dev *hdev, u8 code)
409{
410}
411
412static inline void btintel_print_fseq_info(struct hci_dev *hdev)
413{
414}
415#endif