Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[platform/kernel/linux-rpi.git] / drivers / bluetooth / btintel.h
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_OP_PPAG_CMD               0xFE0B
141 struct hci_ppag_enable_cmd {
142         __le32  ppag_enable_flags;
143 } __packed;
144
145 #define INTEL_TLV_TYPE_ID               0x01
146
147 #define INTEL_TLV_SYSTEM_EXCEPTION      0x00
148 #define INTEL_TLV_FATAL_EXCEPTION       0x01
149 #define INTEL_TLV_DEBUG_EXCEPTION       0x02
150 #define INTEL_TLV_TEST_EXCEPTION        0xDE
151
152 #define INTEL_HW_PLATFORM(cnvx_bt)      ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
153 #define INTEL_HW_VARIANT(cnvx_bt)       ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
154 #define INTEL_CNVX_TOP_TYPE(cnvx_top)   ((cnvx_top) & 0x00000fff)
155 #define INTEL_CNVX_TOP_STEP(cnvx_top)   (((cnvx_top) & 0x0f000000) >> 24)
156 #define INTEL_CNVX_TOP_PACK_SWAB(t, s)  __swab16(((__u16)(((t) << 4) | (s))))
157
158 enum {
159         INTEL_BOOTLOADER,
160         INTEL_DOWNLOADING,
161         INTEL_FIRMWARE_LOADED,
162         INTEL_FIRMWARE_FAILED,
163         INTEL_BOOTING,
164         INTEL_BROKEN_INITIAL_NCMD,
165         INTEL_BROKEN_SHUTDOWN_LED,
166         INTEL_ROM_LEGACY,
167         INTEL_ROM_LEGACY_NO_WBS_SUPPORT,
168         INTEL_ACPI_RESET_ACTIVE,
169
170         __INTEL_NUM_FLAGS,
171 };
172
173 struct btintel_data {
174         DECLARE_BITMAP(flags, __INTEL_NUM_FLAGS);
175         int (*acpi_reset_method)(struct hci_dev *hdev);
176 };
177
178 #define btintel_set_flag(hdev, nr)                                      \
179         do {                                                            \
180                 struct btintel_data *intel = hci_get_priv((hdev));      \
181                 set_bit((nr), intel->flags);                            \
182         } while (0)
183
184 #define btintel_clear_flag(hdev, nr)                                    \
185         do {                                                            \
186                 struct btintel_data *intel = hci_get_priv((hdev));      \
187                 clear_bit((nr), intel->flags);                          \
188         } while (0)
189
190 #define btintel_wake_up_flag(hdev, nr)                                  \
191         do {                                                            \
192                 struct btintel_data *intel = hci_get_priv((hdev));      \
193                 wake_up_bit(intel->flags, (nr));                        \
194         } while (0)
195
196 #define btintel_get_flag(hdev)                                          \
197         (((struct btintel_data *)hci_get_priv(hdev))->flags)
198
199 #define btintel_test_flag(hdev, nr)     test_bit((nr), btintel_get_flag(hdev))
200 #define btintel_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), btintel_get_flag(hdev))
201 #define btintel_wait_on_flag_timeout(hdev, nr, m, to)                   \
202                 wait_on_bit_timeout(btintel_get_flag(hdev), (nr), m, to)
203
204 #if IS_ENABLED(CONFIG_BT_INTEL)
205
206 int btintel_check_bdaddr(struct hci_dev *hdev);
207 int btintel_enter_mfg(struct hci_dev *hdev);
208 int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
209 int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
210 int btintel_set_diag(struct hci_dev *hdev, bool enable);
211
212 int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
213 int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
214 int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
215 int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
216 struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
217                                    u16 opcode_write);
218 int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
219 int btintel_read_boot_params(struct hci_dev *hdev,
220                              struct intel_boot_params *params);
221 int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
222                               const struct firmware *fw, u32 *boot_param);
223 int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name);
224 int btintel_recv_event(struct hci_dev *hdev, struct sk_buff *skb);
225 void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
226 void btintel_secure_send_result(struct hci_dev *hdev,
227                                 const void *ptr, unsigned int len);
228 int btintel_set_quality_report(struct hci_dev *hdev, bool enable);
229 #else
230
231 static inline int btintel_check_bdaddr(struct hci_dev *hdev)
232 {
233         return -EOPNOTSUPP;
234 }
235
236 static inline int btintel_enter_mfg(struct hci_dev *hdev)
237 {
238         return -EOPNOTSUPP;
239 }
240
241 static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
242 {
243         return -EOPNOTSUPP;
244 }
245
246 static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
247 {
248         return -EOPNOTSUPP;
249 }
250
251 static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
252 {
253         return -EOPNOTSUPP;
254 }
255
256 static inline int btintel_version_info(struct hci_dev *hdev,
257                                        struct intel_version *ver)
258 {
259         return -EOPNOTSUPP;
260 }
261
262 static inline int btintel_load_ddc_config(struct hci_dev *hdev,
263                                           const char *ddc_name)
264 {
265         return -EOPNOTSUPP;
266 }
267
268 static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
269 {
270         return -EOPNOTSUPP;
271 }
272
273 static inline int btintel_read_version(struct hci_dev *hdev,
274                                        struct intel_version *ver)
275 {
276         return -EOPNOTSUPP;
277 }
278
279 static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
280                                                  u16 opcode_read,
281                                                  u16 opcode_write)
282 {
283         return ERR_PTR(-EINVAL);
284 }
285
286 static inline int btintel_send_intel_reset(struct hci_dev *hdev,
287                                            u32 reset_param)
288 {
289         return -EOPNOTSUPP;
290 }
291
292 static inline int btintel_read_boot_params(struct hci_dev *hdev,
293                                            struct intel_boot_params *params)
294 {
295         return -EOPNOTSUPP;
296 }
297
298 static inline int btintel_download_firmware(struct hci_dev *dev,
299                                             const struct firmware *fw,
300                                             u32 *boot_param)
301 {
302         return -EOPNOTSUPP;
303 }
304
305 static inline int btintel_configure_setup(struct hci_dev *hdev,
306                                           const char *driver_name)
307 {
308         return -ENODEV;
309 }
310
311 static inline void btintel_bootup(struct hci_dev *hdev,
312                                   const void *ptr, unsigned int len)
313 {
314 }
315
316 static inline void btintel_secure_send_result(struct hci_dev *hdev,
317                                 const void *ptr, unsigned int len)
318 {
319 }
320
321 static inline int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
322 {
323         return -ENODEV;
324 }
325 #endif