1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 */
5
6 #include <linux/module.h>
7 #include <linux/slab.h>
8 #include <linux/remoteproc.h>
9 #include <linux/firmware.h>
10 #include "core.h"
11 #include "dp_tx.h"
12 #include "dp_rx.h"
13 #include "debug.h"
14 #include "hif.h"
15
16 unsigned int ath11k_debug_mask;
17 EXPORT_SYMBOL(ath11k_debug_mask);
18 module_param_named(debug_mask, ath11k_debug_mask, uint, 0644);
19 MODULE_PARM_DESC(debug_mask, "Debugging mask");
20
21 static unsigned int ath11k_crypto_mode;
22 module_param_named(crypto_mode, ath11k_crypto_mode, uint, 0644);
23 MODULE_PARM_DESC(crypto_mode, "crypto mode: 0-hardware, 1-software");
24
25 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
26 unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
27 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
28 MODULE_PARM_DESC(frame_mode,
29 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
30
31 static const struct ath11k_hw_params ath11k_hw_params[] = {
32 {
33 .hw_rev = ATH11K_HW_IPQ8074,
34 .name = "ipq8074 hw2.0",
35 .fw = {
36 .dir = "IPQ8074/hw2.0",
37 .board_size = 256 * 1024,
38 .cal_size = 256 * 1024,
39 },
40 .max_radios = 3,
41 .bdf_addr = 0x4B0C0000,
42 .hw_ops = &ipq8074_ops,
43 .ring_mask = &ath11k_hw_ring_mask_ipq8074,
44 .internal_sleep_clock = false,
45 .regs = &ipq8074_regs,
46 .host_ce_config = ath11k_host_ce_config_ipq8074,
47 .ce_count = 12,
48 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
49 .target_ce_count = 11,
50 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074,
51 .svc_to_ce_map_len = 21,
52 .single_pdev_only = false,
53 .needs_band_to_mac = true,
54 .rxdma1_enable = true,
55 .num_rxmda_per_pdev = 1,
56 .rx_mac_buf_ring = false,
57 .vdev_start_delay = false,
58 .htt_peer_map_v2 = true,
59 .tcl_0_only = false,
60 .spectral_fft_sz = 2,
61
62 .interface_modes = BIT(NL80211_IFTYPE_STATION) |
63 BIT(NL80211_IFTYPE_AP) |
64 BIT(NL80211_IFTYPE_MESH_POINT),
65 .supports_monitor = true,
66 .supports_shadow_regs = false,
67 .idle_ps = false,
68 },
69 {
70 .hw_rev = ATH11K_HW_IPQ6018_HW10,
71 .name = "ipq6018 hw1.0",
72 .fw = {
73 .dir = "IPQ6018/hw1.0",
74 .board_size = 256 * 1024,
75 .cal_size = 256 * 1024,
76 },
77 .max_radios = 2,
78 .bdf_addr = 0x4ABC0000,
79 .hw_ops = &ipq6018_ops,
80 .ring_mask = &ath11k_hw_ring_mask_ipq8074,
81 .internal_sleep_clock = false,
82 .regs = &ipq8074_regs,
83 .host_ce_config = ath11k_host_ce_config_ipq8074,
84 .ce_count = 12,
85 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
86 .target_ce_count = 11,
87 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018,
88 .svc_to_ce_map_len = 19,
89 .single_pdev_only = false,
90 .needs_band_to_mac = true,
91 .rxdma1_enable = true,
92 .num_rxmda_per_pdev = 1,
93 .rx_mac_buf_ring = false,
94 .vdev_start_delay = false,
95 .htt_peer_map_v2 = true,
96 .tcl_0_only = false,
97 .spectral_fft_sz = 4,
98
99 .interface_modes = BIT(NL80211_IFTYPE_STATION) |
100 BIT(NL80211_IFTYPE_AP) |
101 BIT(NL80211_IFTYPE_MESH_POINT),
102 .supports_monitor = true,
103 .supports_shadow_regs = false,
104 .idle_ps = false,
105 },
106 {
107 .name = "qca6390 hw2.0",
108 .hw_rev = ATH11K_HW_QCA6390_HW20,
109 .fw = {
110 .dir = "QCA6390/hw2.0",
111 .board_size = 256 * 1024,
112 .cal_size = 256 * 1024,
113 },
114 .max_radios = 3,
115 .bdf_addr = 0x4B0C0000,
116 .hw_ops = &qca6390_ops,
117 .ring_mask = &ath11k_hw_ring_mask_qca6390,
118 .internal_sleep_clock = true,
119 .regs = &qca6390_regs,
120 .host_ce_config = ath11k_host_ce_config_qca6390,
121 .ce_count = 9,
122 .target_ce_config = ath11k_target_ce_config_wlan_qca6390,
123 .target_ce_count = 9,
124 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
125 .svc_to_ce_map_len = 14,
126 .single_pdev_only = true,
127 .needs_band_to_mac = false,
128 .rxdma1_enable = false,
129 .num_rxmda_per_pdev = 2,
130 .rx_mac_buf_ring = true,
131 .vdev_start_delay = true,
132 .htt_peer_map_v2 = false,
133 .tcl_0_only = true,
134 .spectral_fft_sz = 0,
135
136 .interface_modes = BIT(NL80211_IFTYPE_STATION) |
137 BIT(NL80211_IFTYPE_AP),
138 .supports_monitor = false,
139 .supports_shadow_regs = true,
140 .idle_ps = true,
141 },
142 };
143
ath11k_core_create_board_name(struct ath11k_base * ab,char * name,size_t name_len)144 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
145 size_t name_len)
146 {
147 scnprintf(name, name_len,
148 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d",
149 ath11k_bus_str(ab->hif.bus),
150 ab->qmi.target.chip_id,
151 ab->qmi.target.board_id);
152
153 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name);
154
155 return 0;
156 }
157
ath11k_core_firmware_request(struct ath11k_base * ab,const char * file)158 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab,
159 const char *file)
160 {
161 const struct firmware *fw;
162 char path[100];
163 int ret;
164
165 if (file == NULL)
166 return ERR_PTR(-ENOENT);
167
168 ath11k_core_create_firmware_path(ab, file, path, sizeof(path));
169
170 ret = firmware_request_nowarn(&fw, path, ab->dev);
171 if (ret)
172 return ERR_PTR(ret);
173
174 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n",
175 path, fw->size);
176
177 return fw;
178 }
179
ath11k_core_free_bdf(struct ath11k_base * ab,struct ath11k_board_data * bd)180 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
181 {
182 if (!IS_ERR(bd->fw))
183 release_firmware(bd->fw);
184
185 memset(bd, 0, sizeof(*bd));
186 }
187
ath11k_core_parse_bd_ie_board(struct ath11k_base * ab,struct ath11k_board_data * bd,const void * buf,size_t buf_len,const char * boardname,int bd_ie_type)188 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab,
189 struct ath11k_board_data *bd,
190 const void *buf, size_t buf_len,
191 const char *boardname,
192 int bd_ie_type)
193 {
194 const struct ath11k_fw_ie *hdr;
195 bool name_match_found;
196 int ret, board_ie_id;
197 size_t board_ie_len;
198 const void *board_ie_data;
199
200 name_match_found = false;
201
202 /* go through ATH11K_BD_IE_BOARD_ elements */
203 while (buf_len > sizeof(struct ath11k_fw_ie)) {
204 hdr = buf;
205 board_ie_id = le32_to_cpu(hdr->id);
206 board_ie_len = le32_to_cpu(hdr->len);
207 board_ie_data = hdr->data;
208
209 buf_len -= sizeof(*hdr);
210 buf += sizeof(*hdr);
211
212 if (buf_len < ALIGN(board_ie_len, 4)) {
213 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n",
214 buf_len, ALIGN(board_ie_len, 4));
215 ret = -EINVAL;
216 goto out;
217 }
218
219 switch (board_ie_id) {
220 case ATH11K_BD_IE_BOARD_NAME:
221 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "",
222 board_ie_data, board_ie_len);
223
224 if (board_ie_len != strlen(boardname))
225 break;
226
227 ret = memcmp(board_ie_data, boardname, strlen(boardname));
228 if (ret)
229 break;
230
231 name_match_found = true;
232 ath11k_dbg(ab, ATH11K_DBG_BOOT,
233 "boot found match for name '%s'",
234 boardname);
235 break;
236 case ATH11K_BD_IE_BOARD_DATA:
237 if (!name_match_found)
238 /* no match found */
239 break;
240
241 ath11k_dbg(ab, ATH11K_DBG_BOOT,
242 "boot found board data for '%s'", boardname);
243
244 bd->data = board_ie_data;
245 bd->len = board_ie_len;
246
247 ret = 0;
248 goto out;
249 default:
250 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n",
251 board_ie_id);
252 break;
253 }
254
255 /* jump over the padding */
256 board_ie_len = ALIGN(board_ie_len, 4);
257
258 buf_len -= board_ie_len;
259 buf += board_ie_len;
260 }
261
262 /* no match found */
263 ret = -ENOENT;
264
265 out:
266 return ret;
267 }
268
ath11k_core_fetch_board_data_api_n(struct ath11k_base * ab,struct ath11k_board_data * bd,const char * boardname)269 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab,
270 struct ath11k_board_data *bd,
271 const char *boardname)
272 {
273 size_t len, magic_len;
274 const u8 *data;
275 char *filename, filepath[100];
276 size_t ie_len;
277 struct ath11k_fw_ie *hdr;
278 int ret, ie_id;
279
280 filename = ATH11K_BOARD_API2_FILE;
281
282 if (!bd->fw)
283 bd->fw = ath11k_core_firmware_request(ab, filename);
284
285 if (IS_ERR(bd->fw))
286 return PTR_ERR(bd->fw);
287
288 data = bd->fw->data;
289 len = bd->fw->size;
290
291 ath11k_core_create_firmware_path(ab, filename,
292 filepath, sizeof(filepath));
293
294 /* magic has extra null byte padded */
295 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1;
296 if (len < magic_len) {
297 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n",
298 filepath, len);
299 ret = -EINVAL;
300 goto err;
301 }
302
303 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) {
304 ath11k_err(ab, "found invalid board magic\n");
305 ret = -EINVAL;
306 goto err;
307 }
308
309 /* magic is padded to 4 bytes */
310 magic_len = ALIGN(magic_len, 4);
311 if (len < magic_len) {
312 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n",
313 filepath, len);
314 ret = -EINVAL;
315 goto err;
316 }
317
318 data += magic_len;
319 len -= magic_len;
320
321 while (len > sizeof(struct ath11k_fw_ie)) {
322 hdr = (struct ath11k_fw_ie *)data;
323 ie_id = le32_to_cpu(hdr->id);
324 ie_len = le32_to_cpu(hdr->len);
325
326 len -= sizeof(*hdr);
327 data = hdr->data;
328
329 if (len < ALIGN(ie_len, 4)) {
330 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n",
331 ie_id, ie_len, len);
332 return -EINVAL;
333 }
334
335 switch (ie_id) {
336 case ATH11K_BD_IE_BOARD:
337 ret = ath11k_core_parse_bd_ie_board(ab, bd, data,
338 ie_len,
339 boardname,
340 ATH11K_BD_IE_BOARD);
341 if (ret == -ENOENT)
342 /* no match found, continue */
343 break;
344 else if (ret)
345 /* there was an error, bail out */
346 goto err;
347 /* either found or error, so stop searching */
348 goto out;
349 }
350
351 /* jump over the padding */
352 ie_len = ALIGN(ie_len, 4);
353
354 len -= ie_len;
355 data += ie_len;
356 }
357
358 out:
359 if (!bd->data || !bd->len) {
360 ath11k_err(ab,
361 "failed to fetch board data for %s from %s\n",
362 boardname, filepath);
363 ret = -ENODATA;
364 goto err;
365 }
366
367 return 0;
368
369 err:
370 ath11k_core_free_bdf(ab, bd);
371 return ret;
372 }
373
ath11k_core_fetch_board_data_api_1(struct ath11k_base * ab,struct ath11k_board_data * bd)374 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab,
375 struct ath11k_board_data *bd)
376 {
377 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE);
378 if (IS_ERR(bd->fw))
379 return PTR_ERR(bd->fw);
380
381 bd->data = bd->fw->data;
382 bd->len = bd->fw->size;
383
384 return 0;
385 }
386
387 #define BOARD_NAME_SIZE 100
ath11k_core_fetch_bdf(struct ath11k_base * ab,struct ath11k_board_data * bd)388 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
389 {
390 char boardname[BOARD_NAME_SIZE];
391 int ret;
392
393 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE);
394 if (ret) {
395 ath11k_err(ab, "failed to create board name: %d", ret);
396 return ret;
397 }
398
399 ab->bd_api = 2;
400 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname);
401 if (!ret)
402 goto success;
403
404 ab->bd_api = 1;
405 ret = ath11k_core_fetch_board_data_api_1(ab, bd);
406 if (ret) {
407 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n",
408 ab->hw_params.fw.dir);
409 return ret;
410 }
411
412 success:
413 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api);
414 return 0;
415 }
416
ath11k_core_stop(struct ath11k_base * ab)417 static void ath11k_core_stop(struct ath11k_base *ab)
418 {
419 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
420 ath11k_qmi_firmware_stop(ab);
421
422 ath11k_hif_stop(ab);
423 ath11k_wmi_detach(ab);
424 ath11k_dp_pdev_reo_cleanup(ab);
425
426 /* De-Init of components as needed */
427 }
428
ath11k_core_soc_create(struct ath11k_base * ab)429 static int ath11k_core_soc_create(struct ath11k_base *ab)
430 {
431 int ret;
432
433 ret = ath11k_qmi_init_service(ab);
434 if (ret) {
435 ath11k_err(ab, "failed to initialize qmi :%d\n", ret);
436 return ret;
437 }
438
439 ret = ath11k_debugfs_soc_create(ab);
440 if (ret) {
441 ath11k_err(ab, "failed to create ath11k debugfs\n");
442 goto err_qmi_deinit;
443 }
444
445 ret = ath11k_hif_power_up(ab);
446 if (ret) {
447 ath11k_err(ab, "failed to power up :%d\n", ret);
448 goto err_debugfs_reg;
449 }
450
451 return 0;
452
453 err_debugfs_reg:
454 ath11k_debugfs_soc_destroy(ab);
455 err_qmi_deinit:
456 ath11k_qmi_deinit_service(ab);
457 return ret;
458 }
459
ath11k_core_soc_destroy(struct ath11k_base * ab)460 static void ath11k_core_soc_destroy(struct ath11k_base *ab)
461 {
462 ath11k_debugfs_soc_destroy(ab);
463 ath11k_dp_free(ab);
464 ath11k_reg_free(ab);
465 ath11k_qmi_deinit_service(ab);
466 }
467
ath11k_core_pdev_create(struct ath11k_base * ab)468 static int ath11k_core_pdev_create(struct ath11k_base *ab)
469 {
470 int ret;
471
472 ret = ath11k_debugfs_pdev_create(ab);
473 if (ret) {
474 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret);
475 return ret;
476 }
477
478 ret = ath11k_mac_register(ab);
479 if (ret) {
480 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret);
481 goto err_pdev_debug;
482 }
483
484 ret = ath11k_dp_pdev_alloc(ab);
485 if (ret) {
486 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret);
487 goto err_mac_unregister;
488 }
489
490 ret = ath11k_thermal_register(ab);
491 if (ret) {
492 ath11k_err(ab, "could not register thermal device: %d\n",
493 ret);
494 goto err_dp_pdev_free;
495 }
496
497 ret = ath11k_spectral_init(ab);
498 if (ret) {
499 ath11k_err(ab, "failed to init spectral %d\n", ret);
500 goto err_thermal_unregister;
501 }
502
503 return 0;
504
505 err_thermal_unregister:
506 ath11k_thermal_unregister(ab);
507 err_dp_pdev_free:
508 ath11k_dp_pdev_free(ab);
509 err_mac_unregister:
510 ath11k_mac_unregister(ab);
511 err_pdev_debug:
512 ath11k_debugfs_pdev_destroy(ab);
513
514 return ret;
515 }
516
ath11k_core_pdev_destroy(struct ath11k_base * ab)517 static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
518 {
519 ath11k_spectral_deinit(ab);
520 ath11k_thermal_unregister(ab);
521 ath11k_mac_unregister(ab);
522 ath11k_hif_irq_disable(ab);
523 ath11k_dp_pdev_free(ab);
524 ath11k_debugfs_pdev_destroy(ab);
525 }
526
ath11k_core_start(struct ath11k_base * ab,enum ath11k_firmware_mode mode)527 static int ath11k_core_start(struct ath11k_base *ab,
528 enum ath11k_firmware_mode mode)
529 {
530 int ret;
531
532 ret = ath11k_qmi_firmware_start(ab, mode);
533 if (ret) {
534 ath11k_err(ab, "failed to attach wmi: %d\n", ret);
535 return ret;
536 }
537
538 ret = ath11k_wmi_attach(ab);
539 if (ret) {
540 ath11k_err(ab, "failed to attach wmi: %d\n", ret);
541 goto err_firmware_stop;
542 }
543
544 ret = ath11k_htc_init(ab);
545 if (ret) {
546 ath11k_err(ab, "failed to init htc: %d\n", ret);
547 goto err_wmi_detach;
548 }
549
550 ret = ath11k_hif_start(ab);
551 if (ret) {
552 ath11k_err(ab, "failed to start HIF: %d\n", ret);
553 goto err_wmi_detach;
554 }
555
556 ret = ath11k_htc_wait_target(&ab->htc);
557 if (ret) {
558 ath11k_err(ab, "failed to connect to HTC: %d\n", ret);
559 goto err_hif_stop;
560 }
561
562 ret = ath11k_dp_htt_connect(&ab->dp);
563 if (ret) {
564 ath11k_err(ab, "failed to connect to HTT: %d\n", ret);
565 goto err_hif_stop;
566 }
567
568 ret = ath11k_wmi_connect(ab);
569 if (ret) {
570 ath11k_err(ab, "failed to connect wmi: %d\n", ret);
571 goto err_hif_stop;
572 }
573
574 ret = ath11k_htc_start(&ab->htc);
575 if (ret) {
576 ath11k_err(ab, "failed to start HTC: %d\n", ret);
577 goto err_hif_stop;
578 }
579
580 ret = ath11k_wmi_wait_for_service_ready(ab);
581 if (ret) {
582 ath11k_err(ab, "failed to receive wmi service ready event: %d\n",
583 ret);
584 goto err_hif_stop;
585 }
586
587 ret = ath11k_mac_allocate(ab);
588 if (ret) {
589 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n",
590 ret);
591 goto err_hif_stop;
592 }
593
594 ath11k_dp_pdev_pre_alloc(ab);
595
596 ret = ath11k_dp_pdev_reo_setup(ab);
597 if (ret) {
598 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret);
599 goto err_mac_destroy;
600 }
601
602 ret = ath11k_wmi_cmd_init(ab);
603 if (ret) {
604 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret);
605 goto err_reo_cleanup;
606 }
607
608 ret = ath11k_wmi_wait_for_unified_ready(ab);
609 if (ret) {
610 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n",
611 ret);
612 goto err_reo_cleanup;
613 }
614
615 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab);
616 if (ret) {
617 ath11k_err(ab, "failed to send htt version request message: %d\n",
618 ret);
619 goto err_reo_cleanup;
620 }
621
622 return 0;
623
624 err_reo_cleanup:
625 ath11k_dp_pdev_reo_cleanup(ab);
626 err_mac_destroy:
627 ath11k_mac_destroy(ab);
628 err_hif_stop:
629 ath11k_hif_stop(ab);
630 err_wmi_detach:
631 ath11k_wmi_detach(ab);
632 err_firmware_stop:
633 ath11k_qmi_firmware_stop(ab);
634
635 return ret;
636 }
637
ath11k_core_qmi_firmware_ready(struct ath11k_base * ab)638 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
639 {
640 int ret;
641
642 ret = ath11k_ce_init_pipes(ab);
643 if (ret) {
644 ath11k_err(ab, "failed to initialize CE: %d\n", ret);
645 return ret;
646 }
647
648 ret = ath11k_dp_alloc(ab);
649 if (ret) {
650 ath11k_err(ab, "failed to init DP: %d\n", ret);
651 return ret;
652 }
653
654 switch (ath11k_crypto_mode) {
655 case ATH11K_CRYPT_MODE_SW:
656 set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
657 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
658 break;
659 case ATH11K_CRYPT_MODE_HW:
660 clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
661 clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
662 break;
663 default:
664 ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode);
665 return -EINVAL;
666 }
667
668 if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW)
669 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
670
671 mutex_lock(&ab->core_lock);
672 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL);
673 if (ret) {
674 ath11k_err(ab, "failed to start core: %d\n", ret);
675 goto err_dp_free;
676 }
677
678 ret = ath11k_core_pdev_create(ab);
679 if (ret) {
680 ath11k_err(ab, "failed to create pdev core: %d\n", ret);
681 goto err_core_stop;
682 }
683 ath11k_hif_irq_enable(ab);
684 mutex_unlock(&ab->core_lock);
685
686 return 0;
687
688 err_core_stop:
689 ath11k_core_stop(ab);
690 ath11k_mac_destroy(ab);
691 err_dp_free:
692 ath11k_dp_free(ab);
693 mutex_unlock(&ab->core_lock);
694 return ret;
695 }
696
ath11k_core_reconfigure_on_crash(struct ath11k_base * ab)697 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
698 {
699 int ret;
700
701 mutex_lock(&ab->core_lock);
702 ath11k_thermal_unregister(ab);
703 ath11k_hif_irq_disable(ab);
704 ath11k_dp_pdev_free(ab);
705 ath11k_spectral_deinit(ab);
706 ath11k_hif_stop(ab);
707 ath11k_wmi_detach(ab);
708 ath11k_dp_pdev_reo_cleanup(ab);
709 mutex_unlock(&ab->core_lock);
710
711 ath11k_dp_free(ab);
712 ath11k_hal_srng_deinit(ab);
713
714 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
715
716 ret = ath11k_hal_srng_init(ab);
717 if (ret)
718 return ret;
719
720 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
721
722 ret = ath11k_core_qmi_firmware_ready(ab);
723 if (ret)
724 goto err_hal_srng_deinit;
725
726 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
727
728 return 0;
729
730 err_hal_srng_deinit:
731 ath11k_hal_srng_deinit(ab);
732 return ret;
733 }
734
ath11k_core_halt(struct ath11k * ar)735 void ath11k_core_halt(struct ath11k *ar)
736 {
737 struct ath11k_base *ab = ar->ab;
738
739 lockdep_assert_held(&ar->conf_mutex);
740
741 ar->num_created_vdevs = 0;
742 ar->allocated_vdev_map = 0;
743
744 ath11k_mac_scan_finish(ar);
745 ath11k_mac_peer_cleanup_all(ar);
746 cancel_delayed_work_sync(&ar->scan.timeout);
747 cancel_work_sync(&ar->regd_update_work);
748
749 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL);
750 synchronize_rcu();
751 INIT_LIST_HEAD(&ar->arvifs);
752 idr_init(&ar->txmgmt_idr);
753 }
754
ath11k_core_restart(struct work_struct * work)755 static void ath11k_core_restart(struct work_struct *work)
756 {
757 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work);
758 struct ath11k *ar;
759 struct ath11k_pdev *pdev;
760 int i, ret = 0;
761
762 spin_lock_bh(&ab->base_lock);
763 ab->stats.fw_crash_counter++;
764 spin_unlock_bh(&ab->base_lock);
765
766 for (i = 0; i < ab->num_radios; i++) {
767 pdev = &ab->pdevs[i];
768 ar = pdev->ar;
769 if (!ar || ar->state == ATH11K_STATE_OFF)
770 continue;
771
772 ieee80211_stop_queues(ar->hw);
773 ath11k_mac_drain_tx(ar);
774 complete(&ar->scan.started);
775 complete(&ar->scan.completed);
776 complete(&ar->peer_assoc_done);
777 complete(&ar->install_key_done);
778 complete(&ar->vdev_setup_done);
779 complete(&ar->bss_survey_done);
780 complete(&ar->thermal.wmi_sync);
781
782 wake_up(&ar->dp.tx_empty_waitq);
783 idr_for_each(&ar->txmgmt_idr,
784 ath11k_mac_tx_mgmt_pending_free, ar);
785 idr_destroy(&ar->txmgmt_idr);
786 }
787
788 wake_up(&ab->wmi_ab.tx_credits_wq);
789 wake_up(&ab->peer_mapping_wq);
790
791 ret = ath11k_core_reconfigure_on_crash(ab);
792 if (ret) {
793 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n");
794 return;
795 }
796
797 for (i = 0; i < ab->num_radios; i++) {
798 pdev = &ab->pdevs[i];
799 ar = pdev->ar;
800 if (!ar || ar->state == ATH11K_STATE_OFF)
801 continue;
802
803 mutex_lock(&ar->conf_mutex);
804
805 switch (ar->state) {
806 case ATH11K_STATE_ON:
807 ar->state = ATH11K_STATE_RESTARTING;
808 ath11k_core_halt(ar);
809 ieee80211_restart_hw(ar->hw);
810 break;
811 case ATH11K_STATE_OFF:
812 ath11k_warn(ab,
813 "cannot restart radio %d that hasn't been started\n",
814 i);
815 break;
816 case ATH11K_STATE_RESTARTING:
817 break;
818 case ATH11K_STATE_RESTARTED:
819 ar->state = ATH11K_STATE_WEDGED;
820 fallthrough;
821 case ATH11K_STATE_WEDGED:
822 ath11k_warn(ab,
823 "device is wedged, will not restart radio %d\n", i);
824 break;
825 }
826 mutex_unlock(&ar->conf_mutex);
827 }
828 complete(&ab->driver_recovery);
829 }
830
ath11k_init_hw_params(struct ath11k_base * ab)831 static int ath11k_init_hw_params(struct ath11k_base *ab)
832 {
833 const struct ath11k_hw_params *hw_params = NULL;
834 int i;
835
836 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) {
837 hw_params = &ath11k_hw_params[i];
838
839 if (hw_params->hw_rev == ab->hw_rev)
840 break;
841 }
842
843 if (i == ARRAY_SIZE(ath11k_hw_params)) {
844 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev);
845 return -EINVAL;
846 }
847
848 ab->hw_params = *hw_params;
849
850 ath11k_dbg(ab, ATH11K_DBG_BOOT, "Hardware name %s\n", ab->hw_params.name);
851
852 return 0;
853 }
854
ath11k_core_pre_init(struct ath11k_base * ab)855 int ath11k_core_pre_init(struct ath11k_base *ab)
856 {
857 int ret;
858
859 ret = ath11k_init_hw_params(ab);
860 if (ret) {
861 ath11k_err(ab, "failed to get hw params: %d\n", ret);
862 return ret;
863 }
864
865 return 0;
866 }
867 EXPORT_SYMBOL(ath11k_core_pre_init);
868
ath11k_core_init(struct ath11k_base * ab)869 int ath11k_core_init(struct ath11k_base *ab)
870 {
871 int ret;
872
873 ret = ath11k_core_soc_create(ab);
874 if (ret) {
875 ath11k_err(ab, "failed to create soc core: %d\n", ret);
876 return ret;
877 }
878
879 return 0;
880 }
881 EXPORT_SYMBOL(ath11k_core_init);
882
ath11k_core_deinit(struct ath11k_base * ab)883 void ath11k_core_deinit(struct ath11k_base *ab)
884 {
885 mutex_lock(&ab->core_lock);
886
887 ath11k_core_pdev_destroy(ab);
888 ath11k_core_stop(ab);
889
890 mutex_unlock(&ab->core_lock);
891
892 ath11k_hif_power_down(ab);
893 ath11k_mac_destroy(ab);
894 ath11k_core_soc_destroy(ab);
895 }
896 EXPORT_SYMBOL(ath11k_core_deinit);
897
ath11k_core_free(struct ath11k_base * ab)898 void ath11k_core_free(struct ath11k_base *ab)
899 {
900 kfree(ab);
901 }
902 EXPORT_SYMBOL(ath11k_core_free);
903
ath11k_core_alloc(struct device * dev,size_t priv_size,enum ath11k_bus bus,const struct ath11k_bus_params * bus_params)904 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
905 enum ath11k_bus bus,
906 const struct ath11k_bus_params *bus_params)
907 {
908 struct ath11k_base *ab;
909
910 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
911 if (!ab)
912 return NULL;
913
914 init_completion(&ab->driver_recovery);
915
916 ab->workqueue = create_singlethread_workqueue("ath11k_wq");
917 if (!ab->workqueue)
918 goto err_sc_free;
919
920 mutex_init(&ab->core_lock);
921 spin_lock_init(&ab->base_lock);
922
923 INIT_LIST_HEAD(&ab->peers);
924 init_waitqueue_head(&ab->peer_mapping_wq);
925 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq);
926 INIT_WORK(&ab->restart_work, ath11k_core_restart);
927 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
928 ab->dev = dev;
929 ab->bus_params = *bus_params;
930 ab->hif.bus = bus;
931
932 return ab;
933
934 err_sc_free:
935 kfree(ab);
936 return NULL;
937 }
938 EXPORT_SYMBOL(ath11k_core_alloc);
939
940 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards.");
941 MODULE_LICENSE("Dual BSD/GPL");
942