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net/mlx5e: Don't overwrite extack message returned from IPsec SA validator
[linux-block.git] / drivers / bluetooth / btbcm.c
CommitLineData
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 */
35typedef char bcm_fw_name[BCM_FW_NAME_LEN];
0287c5d8 36
4fba30f0
MH		 37int 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}
99EXPORT_SYMBOL_GPL(btbcm_check_bdaddr);
100
101int 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}
116EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
117
52837990
APS		 118int 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}
144EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params);
145
146int 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}
162EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params);
163
18aeb444 164int 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
222done:
50862ee5
MH		 223 return err;
224}
225EXPORT_SYMBOL(btbcm_patchram);
226
1c8ba6d0
MH		 227static 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		 246static 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		 267static 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
288static 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		 308static 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		 328static 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		 348static 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		 394static 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
af35e28f
HJ		 406 return 0;
407}
408
409static int btbcm_print_controller_features(struct hci_dev *hdev)
410{
411 struct sk_buff *skb;
412
e76dc1dd
MH		 413 /* Read Controller Features */
414 skb = btbcm_read_controller_features(hdev);
415 if (IS_ERR(skb))
416 return PTR_ERR(skb);
417
2064ee33 418 bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
e76dc1dd
MH		 419 kfree_skb(skb);
420
801b4c02
AG		 421 /* Read DMI and disable broken Read LE Min/Max Tx Power */
422 if (dmi_first_match(disable_broken_read_transmit_power))
423 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks);
424
2fcdd562
HG		 425 return 0;
426}
427
428static int btbcm_print_local_name(struct hci_dev *hdev)
429{
430 struct sk_buff *skb;
431
e76dc1dd
MH		 432 /* Read Local Name */
433 skb = btbcm_read_local_name(hdev);
434 if (IS_ERR(skb))
435 return PTR_ERR(skb);
436
2064ee33 437 bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
e76dc1dd
MH		 438 kfree_skb(skb);
439
440 return 0;
441}
442
f7328381 443struct bcm_subver_table {
1c8ba6d0
MH		 444 u16 subver;
445 const char *name;
f7328381
HG		 446};
447
448static const struct bcm_subver_table bcm_uart_subver_table[] = {
192aa65a 449 { 0x1111, "BCM4362A2" }, /* 000.017.017 */
4a546ec3 450 { 0x4103, "BCM4330B1" }, /* 002.001.003 */
b8dc6476 451 { 0x410d, "BCM4334B0" }, /* 002.001.013 */
9a0bb57d 452 { 0x410e, "BCM43341B0" }, /* 002.001.014 */
039287aa 453 { 0x4204, "BCM2076B1" }, /* 002.002.004 */
a8f3b941 454 { 0x4406, "BCM4324B3" }, /* 002.004.006 */
c03ee9af 455 { 0x4606, "BCM4324B5" }, /* 002.006.006 */
a357ea09 456 { 0x6109, "BCM4335C0" }, /* 003.001.009 */
40db5f0e 457 { 0x610c, "BCM4354" }, /* 003.001.012 */
d456f678 458 { 0x2122, "BCM4343A0" }, /* 001.001.034 */
feb16722 459 { 0x2209, "BCM43430A1" }, /* 001.002.009 */
18a39b9a 460 { 0x6119, "BCM4345C0" }, /* 003.001.025 */
52c8c7a7 461 { 0x6606, "BCM4345C5" }, /* 003.006.006 */
b133e0c4 462 { 0x230f, "BCM4356A2" }, /* 001.003.015 */
92ffe0db 463 { 0x220e, "BCM20702A1" }, /* 001.002.014 */
4f17c2b6
AF		 464 { 0x420d, "BCM4349B1" }, /* 002.002.013 */
465 { 0x420e, "BCM4349B1" }, /* 002.002.014 */
e3ca60d0 466 { 0x4217, "BCM4329B1" }, /* 002.002.023 */
f4d297ee 467 { 0x6106, "BCM4359C0" }, /* 003.001.006 */
1199ab4c 468 { 0x4106, "BCM4335A0" }, /* 002.001.006 */
27f4d1f2 469 { 0x410c, "BCM43430B0" }, /* 002.001.012 */
0d37ddfc 470 { 0x2119, "BCM4373A0" }, /* 001.001.025 */
9a0bb57d
MH		 471 { }
472};
473
fec0de23 474static const struct bcm_subver_table bcm_usb_subver_table[] = {
c03ee9af 475 { 0x2105, "BCM20703A1" }, /* 001.001.005 */
fec0de23
HG		 476 { 0x210b, "BCM43142A0" }, /* 001.001.011 */
477 { 0x2112, "BCM4314A0" }, /* 001.001.018 */
478 { 0x2118, "BCM20702A0" }, /* 001.001.024 */
479 { 0x2126, "BCM4335A0" }, /* 001.001.038 */
480 { 0x220e, "BCM20702A1" }, /* 001.002.014 */
bf0ddd10 481 { 0x230f, "BCM4356A2" }, /* 001.003.015 */
fec0de23
HG		 482 { 0x4106, "BCM4335B0" }, /* 002.001.006 */
483 { 0x410e, "BCM20702B0" }, /* 002.001.014 */
484 { 0x6109, "BCM4335C0" }, /* 003.001.009 */
485 { 0x610c, "BCM4354" }, /* 003.001.012 */
bf0ddd10 486 { 0x6607, "BCM4350C5" }, /* 003.006.007 */
fec0de23
HG		 487 { }
488};
489
63fac334
LW		 490/*
491 * This currently only looks up the device tree board appendix,
492 * but can be expanded to other mechanisms.
493 */
494static const char *btbcm_get_board_name(struct device *dev)
495{
496#ifdef CONFIG_OF
497 struct device_node *root;
498 char *board_type;
499 const char *tmp;
500 int len;
501 int i;
502
503 root = of_find_node_by_path("/");
504 if (!root)
505 return NULL;
506
507 if (of_property_read_string_index(root, "compatible", 0, &tmp))
508 return NULL;
509
510 /* get rid of any '/' in the compatible string */
511 len = strlen(tmp) + 1;
512 board_type = devm_kzalloc(dev, len, GFP_KERNEL);
513 strscpy(board_type, tmp, len);
b76abe46 514 for (i = 0; i < len; i++) {
63fac334
LW		 515 if (board_type[i] == '/')
516 board_type[i] = '-';
517 }
518 of_node_put(root);
519
520 return board_type;
521#else
522 return NULL;
523#endif
524}
525
af35e28f 526int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode)
75e167e6 527{
fec0de23 528 u16 subver, rev, pid, vid;
75e167e6
FD		 529 struct sk_buff *skb;
530 struct hci_rp_read_local_version *ver;
fec0de23 531 const struct bcm_subver_table *bcm_subver_table;
74530a63 532 const char *hw_name = NULL;
63fac334 533 const char *board_name;
74530a63
HG		 534 char postfix[16] = "";
535 int fw_name_count = 0;
536 bcm_fw_name *fw_name;
0287c5d8 537 const struct firmware *fw;
75e167e6
FD		 538 int i, err;
539
63fac334
LW		 540 board_name = btbcm_get_board_name(&hdev->dev);
541
75e167e6
FD		 542 /* Reset */
543 err = btbcm_reset(hdev);
544 if (err)
545 return err;
546
547 /* Read Local Version Info */
548 skb = btbcm_read_local_version(hdev);
549 if (IS_ERR(skb))
550 return PTR_ERR(skb);
551
552 ver = (struct hci_rp_read_local_version *)skb->data;
553 rev = le16_to_cpu(ver->hci_rev);
554 subver = le16_to_cpu(ver->lmp_subver);
555 kfree_skb(skb);
556
e76dc1dd 557 /* Read controller information */
0287c5d8 558 if (!(*fw_load_done)) {
22ac1916
HG		 559 err = btbcm_read_info(hdev);
560 if (err)
561 return err;
562 }
af35e28f
HJ		 563
564 if (!use_autobaud_mode) {
565 err = btbcm_print_controller_features(hdev);
566 if (err)
567 return err;
568
569 err = btbcm_print_local_name(hdev);
570 if (err)
571 return err;
572 }
75e167e6 573
fec0de23
HG		 574 bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table :
575 bcm_uart_subver_table;
576
577 for (i = 0; bcm_subver_table[i].name; i++) {
578 if (subver == bcm_subver_table[i].subver) {
579 hw_name = bcm_subver_table[i].name;
580 break;
75e167e6 581 }
fec0de23 582 }
75e167e6 583
f53b975c 584 bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u",
74530a63 585 hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13,
f53b975c
HG		 586 (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
587
588 if (*fw_load_done)
589 return 0;
590
fec0de23
HG		 591 if (hdev->bus == HCI_USB) {
592 /* Read USB Product Info */
593 skb = btbcm_read_usb_product(hdev);
594 if (IS_ERR(skb))
595 return PTR_ERR(skb);
596
597 vid = get_unaligned_le16(skb->data + 1);
598 pid = get_unaligned_le16(skb->data + 3);
599 kfree_skb(skb);
600
74530a63 601 snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
75e167e6
FD		 602 }
603
74530a63
HG		 604 fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
605 if (!fw_name)
606 return -ENOMEM;
607
608 if (hw_name) {
63fac334
LW		 609 if (board_name) {
610 snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
611 "brcm/%s%s.%s.hcd", hw_name, postfix, board_name);
612 fw_name_count++;
613 }
74530a63
HG		 614 snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
615 "brcm/%s%s.hcd", hw_name, postfix);
616 fw_name_count++;
0287c5d8
HG		 617 }
618
63fac334
LW		 619 if (board_name) {
620 snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
621 "brcm/BCM%s.%s.hcd", postfix, board_name);
622 fw_name_count++;
623 }
74530a63
HG		 624 snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
625 "brcm/BCM%s.hcd", postfix);
626 fw_name_count++;
627
628 for (i = 0; i < fw_name_count; i++) {
629 err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev);
630 if (err == 0) {
631 bt_dev_info(hdev, "%s '%s' Patch",
632 hw_name ? hw_name : "BCM", fw_name[i]);
633 *fw_load_done = true;
634 break;
635 }
636 }
637
638 if (*fw_load_done) {
639 err = btbcm_patchram(hdev, fw);
640 if (err)
641 bt_dev_info(hdev, "BCM: Patch failed (%d)", err);
642
643 release_firmware(fw);
644 } else {
645 bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:");
646 for (i = 0; i < fw_name_count; i++)
647 bt_dev_err(hdev, "BCM: '%s'", fw_name[i]);
648 }
0287c5d8 649
74530a63 650 kfree(fw_name);
75e167e6
FD		 651 return 0;
652}
653EXPORT_SYMBOL_GPL(btbcm_initialize);
654
af35e28f 655int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done, bool use_autobaud_mode)
75e167e6 656{
75e167e6
FD		 657 int err;
658
0383f16a
HG		 659 /* Re-initialize if necessary */
660 if (*fw_load_done) {
af35e28f 661 err = btbcm_initialize(hdev, fw_load_done, use_autobaud_mode);
0383f16a
HG		 662 if (err)
663 return err;
664 }
75e167e6 665
75e167e6
FD		 666 btbcm_check_bdaddr(hdev);
667
668 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
669
670 return 0;
671}
672EXPORT_SYMBOL_GPL(btbcm_finalize);
673
1c8ba6d0
MH		 674int btbcm_setup_patchram(struct hci_dev *hdev)
675{
0287c5d8 676 bool fw_load_done = false;
af35e28f 677 bool use_autobaud_mode = false;
59ce5699 678 int err;
1c8ba6d0 679
59ce5699 680 /* Initialize */
af35e28f 681 err = btbcm_initialize(hdev, &fw_load_done, use_autobaud_mode);
e76dc1dd
MH		 682 if (err)
683 return err;
9bc63ca0 684
0287c5d8 685 /* Re-initialize after loading Patch */
af35e28f 686 return btbcm_finalize(hdev, &fw_load_done, use_autobaud_mode);
1c8ba6d0
MH		 687}
688EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
689
690int btbcm_setup_apple(struct hci_dev *hdev)
691{
692 struct sk_buff *skb;
b224d3ff
MH		 693 int err;
694
695 /* Reset */
696 err = btbcm_reset(hdev);
697 if (err)
698 return err;
1c8ba6d0
MH		 699
700 /* Read Verbose Config Version Info */
701 skb = btbcm_read_verbose_config(hdev);
7bee8b08 702 if (!IS_ERR(skb)) {
2064ee33
MH		 703 bt_dev_info(hdev, "BCM: chip id %u build %4.4u",
704 skb->data[1], get_unaligned_le16(skb->data + 5));
7bee8b08
CM		 705 kfree_skb(skb);
706 }
1c8ba6d0 707
34cea41e
MH		 708 /* Read USB Product Info */
709 skb = btbcm_read_usb_product(hdev);
710 if (!IS_ERR(skb)) {
2064ee33
MH		 711 bt_dev_info(hdev, "BCM: product %4.4x:%4.4x",
712 get_unaligned_le16(skb->data + 1),
713 get_unaligned_le16(skb->data + 3));
34cea41e
MH		 714 kfree_skb(skb);
715 }
716
4284ecbe
MH		 717 /* Read Controller Features */
718 skb = btbcm_read_controller_features(hdev);
719 if (!IS_ERR(skb)) {
2064ee33 720 bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
4284ecbe
MH		 721 kfree_skb(skb);
722 }
723
9bc63ca0
MH		 724 /* Read Local Name */
725 skb = btbcm_read_local_name(hdev);
726 if (!IS_ERR(skb)) {
2064ee33 727 bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
9bc63ca0
MH		 728 kfree_skb(skb);
729 }
730
941521e2
MH		 731 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
732
1c8ba6d0
MH		 733 return 0;
734}
735EXPORT_SYMBOL_GPL(btbcm_setup_apple);
736
4fba30f0
MH		 737MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
738MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION);
739MODULE_VERSION(VERSION);
740MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)