Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
4fba30f0 MH |
2 | /* |
3 | * | |
4 | * Bluetooth support for Broadcom devices | |
5 | * | |
6 | * Copyright (C) 2015 Intel Corporation | |
4fba30f0 MH |
7 | */ |
8 | ||
9 | #include <linux/module.h> | |
1c8ba6d0 | 10 | #include <linux/firmware.h> |
801b4c02 | 11 | #include <linux/dmi.h> |
63fac334 | 12 | #include <linux/of.h> |
1c8ba6d0 | 13 | #include <asm/unaligned.h> |
4fba30f0 MH |
14 | |
15 | #include <net/bluetooth/bluetooth.h> | |
16 | #include <net/bluetooth/hci_core.h> | |
17 | ||
18 | #include "btbcm.h" | |
19 | ||
20 | #define VERSION "0.1" | |
21 | ||
22 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) | |
92ffe0db | 23 | #define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}}) |
300926b1 | 24 | #define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}}) |
0697607a | 25 | #define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}}) |
a8f3b941 | 26 | #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}}) |
4a546ec3 | 27 | #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}}) |
b8dc6476 | 28 | #define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}}) |
52c8c7a7 | 29 | #define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}}) |
50357261 | 30 | #define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}}) |
4fba30f0 | 31 | |
0287c5d8 | 32 | #define BCM_FW_NAME_LEN 64 |
63fac334 | 33 | #define BCM_FW_NAME_COUNT_MAX 4 |
74530a63 HG |
34 | /* For kmalloc-ing the fw-name array instead of putting it on the stack */ |
35 | typedef char bcm_fw_name[BCM_FW_NAME_LEN]; | |
0287c5d8 | 36 | |
4fba30f0 MH |
37 | int btbcm_check_bdaddr(struct hci_dev *hdev) |
38 | { | |
39 | struct hci_rp_read_bd_addr *bda; | |
40 | struct sk_buff *skb; | |
41 | ||
42 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
43 | HCI_INIT_TIMEOUT); | |
44 | if (IS_ERR(skb)) { | |
45 | int err = PTR_ERR(skb); | |
dde8010b | 46 | |
2064ee33 | 47 | bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err); |
4fba30f0 MH |
48 | return err; |
49 | } | |
50 | ||
51 | if (skb->len != sizeof(*bda)) { | |
2064ee33 | 52 | bt_dev_err(hdev, "BCM: Device address length mismatch"); |
4fba30f0 MH |
53 | kfree_skb(skb); |
54 | return -EIO; | |
55 | } | |
56 | ||
57 | bda = (struct hci_rp_read_bd_addr *)skb->data; | |
4fba30f0 | 58 | |
a8f3b941 FD |
59 | /* Check if the address indicates a controller with either an |
60 | * invalid or default address. In both cases the device needs | |
61 | * to be marked as not having a valid address. | |
62 | * | |
63 | * The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
4fba30f0 | 64 | * with no configured address. |
a8f3b941 | 65 | * |
92ffe0db MR |
66 | * The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller |
67 | * with no configured address. | |
68 | * | |
300926b1 SG |
69 | * The address 20:76:A0:00:56:79 indicates a BCM2076B1 controller |
70 | * with no configured address. | |
71 | * | |
a8f3b941 FD |
72 | * The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller |
73 | * with waiting for configuration state. | |
4a546ec3 FD |
74 | * |
75 | * The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller | |
76 | * with waiting for configuration state. | |
0697607a CYT |
77 | * |
78 | * The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller | |
79 | * with no configured address. | |
4fba30f0 | 80 | */ |
a8f3b941 | 81 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) || |
92ffe0db | 82 | !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) || |
300926b1 | 83 | !bacmp(&bda->bdaddr, BDADDR_BCM2076B1) || |
4a546ec3 | 84 | !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) || |
0697607a | 85 | !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) || |
b8dc6476 | 86 | !bacmp(&bda->bdaddr, BDADDR_BCM4334B0) || |
52c8c7a7 | 87 | !bacmp(&bda->bdaddr, BDADDR_BCM4345C5) || |
50357261 FT |
88 | !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) || |
89 | !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) { | |
2064ee33 MH |
90 | bt_dev_info(hdev, "BCM: Using default device address (%pMR)", |
91 | &bda->bdaddr); | |
4fba30f0 MH |
92 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
93 | } | |
94 | ||
95 | kfree_skb(skb); | |
96 | ||
97 | return 0; | |
98 | } | |
99 | EXPORT_SYMBOL_GPL(btbcm_check_bdaddr); | |
100 | ||
101 | int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) | |
102 | { | |
103 | struct sk_buff *skb; | |
104 | int err; | |
105 | ||
106 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
107 | if (IS_ERR(skb)) { | |
108 | err = PTR_ERR(skb); | |
2064ee33 | 109 | bt_dev_err(hdev, "BCM: Change address command failed (%d)", err); |
4fba30f0 MH |
110 | return err; |
111 | } | |
112 | kfree_skb(skb); | |
113 | ||
114 | return 0; | |
115 | } | |
116 | EXPORT_SYMBOL_GPL(btbcm_set_bdaddr); | |
117 | ||
52837990 APS |
118 | int btbcm_read_pcm_int_params(struct hci_dev *hdev, |
119 | struct bcm_set_pcm_int_params *params) | |
120 | { | |
121 | struct sk_buff *skb; | |
122 | int err = 0; | |
123 | ||
124 | skb = __hci_cmd_sync(hdev, 0xfc1d, 0, NULL, HCI_INIT_TIMEOUT); | |
125 | if (IS_ERR(skb)) { | |
126 | err = PTR_ERR(skb); | |
127 | bt_dev_err(hdev, "BCM: Read PCM int params failed (%d)", err); | |
128 | return err; | |
129 | } | |
130 | ||
131 | if (skb->len != 6 || skb->data[0]) { | |
132 | bt_dev_err(hdev, "BCM: Read PCM int params length mismatch"); | |
133 | kfree_skb(skb); | |
134 | return -EIO; | |
135 | } | |
136 | ||
137 | if (params) | |
138 | memcpy(params, skb->data + 1, 5); | |
139 | ||
140 | kfree_skb(skb); | |
141 | ||
142 | return 0; | |
143 | } | |
144 | EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params); | |
145 | ||
146 | int btbcm_write_pcm_int_params(struct hci_dev *hdev, | |
147 | const struct bcm_set_pcm_int_params *params) | |
148 | { | |
149 | struct sk_buff *skb; | |
150 | int err; | |
151 | ||
152 | skb = __hci_cmd_sync(hdev, 0xfc1c, 5, params, HCI_INIT_TIMEOUT); | |
153 | if (IS_ERR(skb)) { | |
154 | err = PTR_ERR(skb); | |
155 | bt_dev_err(hdev, "BCM: Write PCM int params failed (%d)", err); | |
156 | return err; | |
157 | } | |
158 | kfree_skb(skb); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params); | |
163 | ||
18aeb444 | 164 | int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) |
50862ee5 MH |
165 | { |
166 | const struct hci_command_hdr *cmd; | |
50862ee5 MH |
167 | const u8 *fw_ptr; |
168 | size_t fw_size; | |
169 | struct sk_buff *skb; | |
170 | u16 opcode; | |
18aeb444 | 171 | int err = 0; |
50862ee5 MH |
172 | |
173 | /* Start Download */ | |
174 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
175 | if (IS_ERR(skb)) { | |
176 | err = PTR_ERR(skb); | |
2064ee33 MH |
177 | bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)", |
178 | err); | |
50862ee5 MH |
179 | goto done; |
180 | } | |
181 | kfree_skb(skb); | |
182 | ||
183 | /* 50 msec delay after Download Minidrv completes */ | |
184 | msleep(50); | |
185 | ||
186 | fw_ptr = fw->data; | |
187 | fw_size = fw->size; | |
188 | ||
189 | while (fw_size >= sizeof(*cmd)) { | |
190 | const u8 *cmd_param; | |
191 | ||
192 | cmd = (struct hci_command_hdr *)fw_ptr; | |
193 | fw_ptr += sizeof(*cmd); | |
194 | fw_size -= sizeof(*cmd); | |
195 | ||
196 | if (fw_size < cmd->plen) { | |
2064ee33 | 197 | bt_dev_err(hdev, "BCM: Patch is corrupted"); |
50862ee5 MH |
198 | err = -EINVAL; |
199 | goto done; | |
200 | } | |
201 | ||
202 | cmd_param = fw_ptr; | |
203 | fw_ptr += cmd->plen; | |
204 | fw_size -= cmd->plen; | |
205 | ||
206 | opcode = le16_to_cpu(cmd->opcode); | |
207 | ||
208 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
209 | HCI_INIT_TIMEOUT); | |
210 | if (IS_ERR(skb)) { | |
211 | err = PTR_ERR(skb); | |
2064ee33 MH |
212 | bt_dev_err(hdev, "BCM: Patch command %04x failed (%d)", |
213 | opcode, err); | |
50862ee5 MH |
214 | goto done; |
215 | } | |
216 | kfree_skb(skb); | |
217 | } | |
218 | ||
219 | /* 250 msec delay after Launch Ram completes */ | |
220 | msleep(250); | |
221 | ||
222 | done: | |
50862ee5 MH |
223 | return err; |
224 | } | |
225 | EXPORT_SYMBOL(btbcm_patchram); | |
226 | ||
1c8ba6d0 MH |
227 | static int btbcm_reset(struct hci_dev *hdev) |
228 | { | |
229 | struct sk_buff *skb; | |
230 | ||
231 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
232 | if (IS_ERR(skb)) { | |
233 | int err = PTR_ERR(skb); | |
dde8010b | 234 | |
2064ee33 | 235 | bt_dev_err(hdev, "BCM: Reset failed (%d)", err); |
1c8ba6d0 MH |
236 | return err; |
237 | } | |
238 | kfree_skb(skb); | |
239 | ||
3af3a594 WJS |
240 | /* 100 msec delay for module to complete reset process */ |
241 | msleep(100); | |
242 | ||
1c8ba6d0 MH |
243 | return 0; |
244 | } | |
245 | ||
9bc63ca0 MH |
246 | static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev) |
247 | { | |
248 | struct sk_buff *skb; | |
249 | ||
250 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL, | |
251 | HCI_INIT_TIMEOUT); | |
252 | if (IS_ERR(skb)) { | |
2064ee33 MH |
253 | bt_dev_err(hdev, "BCM: Reading local name failed (%ld)", |
254 | PTR_ERR(skb)); | |
9bc63ca0 MH |
255 | return skb; |
256 | } | |
257 | ||
258 | if (skb->len != sizeof(struct hci_rp_read_local_name)) { | |
2064ee33 | 259 | bt_dev_err(hdev, "BCM: Local name length mismatch"); |
9bc63ca0 MH |
260 | kfree_skb(skb); |
261 | return ERR_PTR(-EIO); | |
262 | } | |
263 | ||
264 | return skb; | |
265 | } | |
266 | ||
1c8ba6d0 MH |
267 | static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev) |
268 | { | |
269 | struct sk_buff *skb; | |
270 | ||
271 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
272 | HCI_INIT_TIMEOUT); | |
273 | if (IS_ERR(skb)) { | |
2064ee33 MH |
274 | bt_dev_err(hdev, "BCM: Reading local version info failed (%ld)", |
275 | PTR_ERR(skb)); | |
1c8ba6d0 MH |
276 | return skb; |
277 | } | |
278 | ||
279 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
2064ee33 | 280 | bt_dev_err(hdev, "BCM: Local version length mismatch"); |
1c8ba6d0 MH |
281 | kfree_skb(skb); |
282 | return ERR_PTR(-EIO); | |
283 | } | |
284 | ||
285 | return skb; | |
286 | } | |
287 | ||
288 | static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev) | |
289 | { | |
290 | struct sk_buff *skb; | |
291 | ||
292 | skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT); | |
293 | if (IS_ERR(skb)) { | |
2064ee33 MH |
294 | bt_dev_err(hdev, "BCM: Read verbose config info failed (%ld)", |
295 | PTR_ERR(skb)); | |
1c8ba6d0 MH |
296 | return skb; |
297 | } | |
298 | ||
299 | if (skb->len != 7) { | |
2064ee33 | 300 | bt_dev_err(hdev, "BCM: Verbose config length mismatch"); |
1c8ba6d0 MH |
301 | kfree_skb(skb); |
302 | return ERR_PTR(-EIO); | |
303 | } | |
304 | ||
305 | return skb; | |
306 | } | |
307 | ||
4284ecbe MH |
308 | static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev) |
309 | { | |
310 | struct sk_buff *skb; | |
311 | ||
312 | skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT); | |
313 | if (IS_ERR(skb)) { | |
2064ee33 MH |
314 | bt_dev_err(hdev, "BCM: Read controller features failed (%ld)", |
315 | PTR_ERR(skb)); | |
4284ecbe MH |
316 | return skb; |
317 | } | |
318 | ||
319 | if (skb->len != 9) { | |
2064ee33 | 320 | bt_dev_err(hdev, "BCM: Controller features length mismatch"); |
4284ecbe MH |
321 | kfree_skb(skb); |
322 | return ERR_PTR(-EIO); | |
323 | } | |
324 | ||
325 | return skb; | |
326 | } | |
327 | ||
1c8ba6d0 MH |
328 | static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev) |
329 | { | |
330 | struct sk_buff *skb; | |
331 | ||
332 | skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT); | |
333 | if (IS_ERR(skb)) { | |
2064ee33 MH |
334 | bt_dev_err(hdev, "BCM: Read USB product info failed (%ld)", |
335 | PTR_ERR(skb)); | |
1c8ba6d0 MH |
336 | return skb; |
337 | } | |
338 | ||
339 | if (skb->len != 5) { | |
2064ee33 | 340 | bt_dev_err(hdev, "BCM: USB product length mismatch"); |
1c8ba6d0 MH |
341 | kfree_skb(skb); |
342 | return ERR_PTR(-EIO); | |
343 | } | |
344 | ||
345 | return skb; | |
346 | } | |
347 | ||
801b4c02 AG |
348 | static const struct dmi_system_id disable_broken_read_transmit_power[] = { |
349 | { | |
350 | .matches = { | |
351 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
352 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,1"), | |
353 | }, | |
354 | }, | |
355 | { | |
356 | .matches = { | |
357 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
358 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,2"), | |
359 | }, | |
360 | }, | |
361 | { | |
362 | .matches = { | |
363 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
364 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,4"), | |
365 | }, | |
366 | }, | |
3318ae23 AG |
367 | { |
368 | .matches = { | |
369 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
370 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,1"), | |
371 | }, | |
372 | }, | |
373 | { | |
374 | .matches = { | |
375 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
376 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,2"), | |
377 | }, | |
378 | }, | |
801b4c02 AG |
379 | { |
380 | .matches = { | |
381 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
382 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,1"), | |
383 | }, | |
384 | }, | |
385 | { | |
386 | .matches = { | |
387 | DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), | |
388 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,2"), | |
389 | }, | |
390 | }, | |
391 | { } | |
392 | }; | |
393 | ||
e76dc1dd MH |
394 | static int btbcm_read_info(struct hci_dev *hdev) |
395 | { | |
396 | struct sk_buff *skb; | |
397 | ||
398 | /* Read Verbose Config Version Info */ | |
399 | skb = btbcm_read_verbose_config(hdev); | |
400 | if (IS_ERR(skb)) | |
401 | return PTR_ERR(skb); | |
402 | ||
2064ee33 | 403 | bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]); |
e76dc1dd MH |
404 | kfree_skb(skb); |
405 | ||
406 | /* Read Controller Features */ | |
407 | skb = btbcm_read_controller_features(hdev); | |
408 | if (IS_ERR(skb)) | |
409 | return PTR_ERR(skb); | |
410 | ||
2064ee33 | 411 | bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); |
e76dc1dd MH |
412 | kfree_skb(skb); |
413 | ||
801b4c02 AG |
414 | /* Read DMI and disable broken Read LE Min/Max Tx Power */ |
415 | if (dmi_first_match(disable_broken_read_transmit_power)) | |
416 | set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); | |
417 | ||
2fcdd562 HG |
418 | return 0; |
419 | } | |
420 | ||
421 | static int btbcm_print_local_name(struct hci_dev *hdev) | |
422 | { | |
423 | struct sk_buff *skb; | |
424 | ||
e76dc1dd MH |
425 | /* Read Local Name */ |
426 | skb = btbcm_read_local_name(hdev); | |
427 | if (IS_ERR(skb)) | |
428 | return PTR_ERR(skb); | |
429 | ||
2064ee33 | 430 | bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); |
e76dc1dd MH |
431 | kfree_skb(skb); |
432 | ||
433 | return 0; | |
434 | } | |
435 | ||
f7328381 | 436 | struct bcm_subver_table { |
1c8ba6d0 MH |
437 | u16 subver; |
438 | const char *name; | |
f7328381 HG |
439 | }; |
440 | ||
441 | static const struct bcm_subver_table bcm_uart_subver_table[] = { | |
192aa65a | 442 | { 0x1111, "BCM4362A2" }, /* 000.017.017 */ |
4a546ec3 | 443 | { 0x4103, "BCM4330B1" }, /* 002.001.003 */ |
b8dc6476 | 444 | { 0x410d, "BCM4334B0" }, /* 002.001.013 */ |
9a0bb57d | 445 | { 0x410e, "BCM43341B0" }, /* 002.001.014 */ |
039287aa | 446 | { 0x4204, "BCM2076B1" }, /* 002.002.004 */ |
a8f3b941 | 447 | { 0x4406, "BCM4324B3" }, /* 002.004.006 */ |
c03ee9af | 448 | { 0x4606, "BCM4324B5" }, /* 002.006.006 */ |
a357ea09 | 449 | { 0x6109, "BCM4335C0" }, /* 003.001.009 */ |
40db5f0e | 450 | { 0x610c, "BCM4354" }, /* 003.001.012 */ |
d456f678 | 451 | { 0x2122, "BCM4343A0" }, /* 001.001.034 */ |
feb16722 | 452 | { 0x2209, "BCM43430A1" }, /* 001.002.009 */ |
18a39b9a | 453 | { 0x6119, "BCM4345C0" }, /* 003.001.025 */ |
52c8c7a7 | 454 | { 0x6606, "BCM4345C5" }, /* 003.006.006 */ |
b133e0c4 | 455 | { 0x230f, "BCM4356A2" }, /* 001.003.015 */ |
92ffe0db | 456 | { 0x220e, "BCM20702A1" }, /* 001.002.014 */ |
e3ca60d0 | 457 | { 0x4217, "BCM4329B1" }, /* 002.002.023 */ |
f4d297ee | 458 | { 0x6106, "BCM4359C0" }, /* 003.001.006 */ |
1199ab4c | 459 | { 0x4106, "BCM4335A0" }, /* 002.001.006 */ |
27f4d1f2 | 460 | { 0x410c, "BCM43430B0" }, /* 002.001.012 */ |
9a0bb57d MH |
461 | { } |
462 | }; | |
463 | ||
fec0de23 | 464 | static const struct bcm_subver_table bcm_usb_subver_table[] = { |
c03ee9af | 465 | { 0x2105, "BCM20703A1" }, /* 001.001.005 */ |
fec0de23 HG |
466 | { 0x210b, "BCM43142A0" }, /* 001.001.011 */ |
467 | { 0x2112, "BCM4314A0" }, /* 001.001.018 */ | |
468 | { 0x2118, "BCM20702A0" }, /* 001.001.024 */ | |
469 | { 0x2126, "BCM4335A0" }, /* 001.001.038 */ | |
470 | { 0x220e, "BCM20702A1" }, /* 001.002.014 */ | |
bf0ddd10 | 471 | { 0x230f, "BCM4356A2" }, /* 001.003.015 */ |
fec0de23 HG |
472 | { 0x4106, "BCM4335B0" }, /* 002.001.006 */ |
473 | { 0x410e, "BCM20702B0" }, /* 002.001.014 */ | |
474 | { 0x6109, "BCM4335C0" }, /* 003.001.009 */ | |
475 | { 0x610c, "BCM4354" }, /* 003.001.012 */ | |
bf0ddd10 | 476 | { 0x6607, "BCM4350C5" }, /* 003.006.007 */ |
fec0de23 HG |
477 | { } |
478 | }; | |
479 | ||
63fac334 LW |
480 | /* |
481 | * This currently only looks up the device tree board appendix, | |
482 | * but can be expanded to other mechanisms. | |
483 | */ | |
484 | static const char *btbcm_get_board_name(struct device *dev) | |
485 | { | |
486 | #ifdef CONFIG_OF | |
487 | struct device_node *root; | |
488 | char *board_type; | |
489 | const char *tmp; | |
490 | int len; | |
491 | int i; | |
492 | ||
493 | root = of_find_node_by_path("/"); | |
494 | if (!root) | |
495 | return NULL; | |
496 | ||
497 | if (of_property_read_string_index(root, "compatible", 0, &tmp)) | |
498 | return NULL; | |
499 | ||
500 | /* get rid of any '/' in the compatible string */ | |
501 | len = strlen(tmp) + 1; | |
502 | board_type = devm_kzalloc(dev, len, GFP_KERNEL); | |
503 | strscpy(board_type, tmp, len); | |
504 | for (i = 0; i < board_type[i]; i++) { | |
505 | if (board_type[i] == '/') | |
506 | board_type[i] = '-'; | |
507 | } | |
508 | of_node_put(root); | |
509 | ||
510 | return board_type; | |
511 | #else | |
512 | return NULL; | |
513 | #endif | |
514 | } | |
515 | ||
0287c5d8 | 516 | int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done) |
75e167e6 | 517 | { |
fec0de23 | 518 | u16 subver, rev, pid, vid; |
75e167e6 FD |
519 | struct sk_buff *skb; |
520 | struct hci_rp_read_local_version *ver; | |
fec0de23 | 521 | const struct bcm_subver_table *bcm_subver_table; |
74530a63 | 522 | const char *hw_name = NULL; |
63fac334 | 523 | const char *board_name; |
74530a63 HG |
524 | char postfix[16] = ""; |
525 | int fw_name_count = 0; | |
526 | bcm_fw_name *fw_name; | |
0287c5d8 | 527 | const struct firmware *fw; |
75e167e6 FD |
528 | int i, err; |
529 | ||
63fac334 LW |
530 | board_name = btbcm_get_board_name(&hdev->dev); |
531 | ||
75e167e6 FD |
532 | /* Reset */ |
533 | err = btbcm_reset(hdev); | |
534 | if (err) | |
535 | return err; | |
536 | ||
537 | /* Read Local Version Info */ | |
538 | skb = btbcm_read_local_version(hdev); | |
539 | if (IS_ERR(skb)) | |
540 | return PTR_ERR(skb); | |
541 | ||
542 | ver = (struct hci_rp_read_local_version *)skb->data; | |
543 | rev = le16_to_cpu(ver->hci_rev); | |
544 | subver = le16_to_cpu(ver->lmp_subver); | |
545 | kfree_skb(skb); | |
546 | ||
e76dc1dd | 547 | /* Read controller information */ |
0287c5d8 | 548 | if (!(*fw_load_done)) { |
22ac1916 HG |
549 | err = btbcm_read_info(hdev); |
550 | if (err) | |
551 | return err; | |
552 | } | |
2fcdd562 HG |
553 | err = btbcm_print_local_name(hdev); |
554 | if (err) | |
555 | return err; | |
75e167e6 | 556 | |
fec0de23 HG |
557 | bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table : |
558 | bcm_uart_subver_table; | |
559 | ||
560 | for (i = 0; bcm_subver_table[i].name; i++) { | |
561 | if (subver == bcm_subver_table[i].subver) { | |
562 | hw_name = bcm_subver_table[i].name; | |
563 | break; | |
75e167e6 | 564 | } |
fec0de23 | 565 | } |
75e167e6 | 566 | |
f53b975c | 567 | bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u", |
74530a63 | 568 | hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13, |
f53b975c HG |
569 | (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); |
570 | ||
571 | if (*fw_load_done) | |
572 | return 0; | |
573 | ||
fec0de23 HG |
574 | if (hdev->bus == HCI_USB) { |
575 | /* Read USB Product Info */ | |
576 | skb = btbcm_read_usb_product(hdev); | |
577 | if (IS_ERR(skb)) | |
578 | return PTR_ERR(skb); | |
579 | ||
580 | vid = get_unaligned_le16(skb->data + 1); | |
581 | pid = get_unaligned_le16(skb->data + 3); | |
582 | kfree_skb(skb); | |
583 | ||
74530a63 | 584 | snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid); |
75e167e6 FD |
585 | } |
586 | ||
74530a63 HG |
587 | fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL); |
588 | if (!fw_name) | |
589 | return -ENOMEM; | |
590 | ||
591 | if (hw_name) { | |
63fac334 LW |
592 | if (board_name) { |
593 | snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, | |
594 | "brcm/%s%s.%s.hcd", hw_name, postfix, board_name); | |
595 | fw_name_count++; | |
596 | } | |
74530a63 HG |
597 | snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, |
598 | "brcm/%s%s.hcd", hw_name, postfix); | |
599 | fw_name_count++; | |
0287c5d8 HG |
600 | } |
601 | ||
63fac334 LW |
602 | if (board_name) { |
603 | snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, | |
604 | "brcm/BCM%s.%s.hcd", postfix, board_name); | |
605 | fw_name_count++; | |
606 | } | |
74530a63 HG |
607 | snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, |
608 | "brcm/BCM%s.hcd", postfix); | |
609 | fw_name_count++; | |
610 | ||
611 | for (i = 0; i < fw_name_count; i++) { | |
612 | err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev); | |
613 | if (err == 0) { | |
614 | bt_dev_info(hdev, "%s '%s' Patch", | |
615 | hw_name ? hw_name : "BCM", fw_name[i]); | |
616 | *fw_load_done = true; | |
617 | break; | |
618 | } | |
619 | } | |
620 | ||
621 | if (*fw_load_done) { | |
622 | err = btbcm_patchram(hdev, fw); | |
623 | if (err) | |
624 | bt_dev_info(hdev, "BCM: Patch failed (%d)", err); | |
625 | ||
626 | release_firmware(fw); | |
627 | } else { | |
628 | bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:"); | |
629 | for (i = 0; i < fw_name_count; i++) | |
630 | bt_dev_err(hdev, "BCM: '%s'", fw_name[i]); | |
631 | } | |
0287c5d8 | 632 | |
74530a63 | 633 | kfree(fw_name); |
75e167e6 FD |
634 | return 0; |
635 | } | |
636 | EXPORT_SYMBOL_GPL(btbcm_initialize); | |
637 | ||
0383f16a | 638 | int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done) |
75e167e6 | 639 | { |
75e167e6 FD |
640 | int err; |
641 | ||
0383f16a HG |
642 | /* Re-initialize if necessary */ |
643 | if (*fw_load_done) { | |
644 | err = btbcm_initialize(hdev, fw_load_done); | |
645 | if (err) | |
646 | return err; | |
647 | } | |
75e167e6 | 648 | |
75e167e6 FD |
649 | btbcm_check_bdaddr(hdev); |
650 | ||
651 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); | |
652 | ||
653 | return 0; | |
654 | } | |
655 | EXPORT_SYMBOL_GPL(btbcm_finalize); | |
656 | ||
1c8ba6d0 MH |
657 | int btbcm_setup_patchram(struct hci_dev *hdev) |
658 | { | |
0287c5d8 | 659 | bool fw_load_done = false; |
59ce5699 | 660 | int err; |
1c8ba6d0 | 661 | |
59ce5699 | 662 | /* Initialize */ |
0287c5d8 | 663 | err = btbcm_initialize(hdev, &fw_load_done); |
e76dc1dd MH |
664 | if (err) |
665 | return err; | |
9bc63ca0 | 666 | |
0287c5d8 | 667 | /* Re-initialize after loading Patch */ |
0383f16a | 668 | return btbcm_finalize(hdev, &fw_load_done); |
1c8ba6d0 MH |
669 | } |
670 | EXPORT_SYMBOL_GPL(btbcm_setup_patchram); | |
671 | ||
672 | int btbcm_setup_apple(struct hci_dev *hdev) | |
673 | { | |
674 | struct sk_buff *skb; | |
b224d3ff MH |
675 | int err; |
676 | ||
677 | /* Reset */ | |
678 | err = btbcm_reset(hdev); | |
679 | if (err) | |
680 | return err; | |
1c8ba6d0 MH |
681 | |
682 | /* Read Verbose Config Version Info */ | |
683 | skb = btbcm_read_verbose_config(hdev); | |
7bee8b08 | 684 | if (!IS_ERR(skb)) { |
2064ee33 MH |
685 | bt_dev_info(hdev, "BCM: chip id %u build %4.4u", |
686 | skb->data[1], get_unaligned_le16(skb->data + 5)); | |
7bee8b08 CM |
687 | kfree_skb(skb); |
688 | } | |
1c8ba6d0 | 689 | |
34cea41e MH |
690 | /* Read USB Product Info */ |
691 | skb = btbcm_read_usb_product(hdev); | |
692 | if (!IS_ERR(skb)) { | |
2064ee33 MH |
693 | bt_dev_info(hdev, "BCM: product %4.4x:%4.4x", |
694 | get_unaligned_le16(skb->data + 1), | |
695 | get_unaligned_le16(skb->data + 3)); | |
34cea41e MH |
696 | kfree_skb(skb); |
697 | } | |
698 | ||
4284ecbe MH |
699 | /* Read Controller Features */ |
700 | skb = btbcm_read_controller_features(hdev); | |
701 | if (!IS_ERR(skb)) { | |
2064ee33 | 702 | bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); |
4284ecbe MH |
703 | kfree_skb(skb); |
704 | } | |
705 | ||
9bc63ca0 MH |
706 | /* Read Local Name */ |
707 | skb = btbcm_read_local_name(hdev); | |
708 | if (!IS_ERR(skb)) { | |
2064ee33 | 709 | bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); |
9bc63ca0 MH |
710 | kfree_skb(skb); |
711 | } | |
712 | ||
941521e2 MH |
713 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
714 | ||
1c8ba6d0 MH |
715 | return 0; |
716 | } | |
717 | EXPORT_SYMBOL_GPL(btbcm_setup_apple); | |
718 | ||
4fba30f0 MH |
719 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
720 | MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION); | |
721 | MODULE_VERSION(VERSION); | |
722 | MODULE_LICENSE("GPL"); |