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