1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3  * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4  * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
5  */
6 
7 #include <linux/module.h>
8 #include <linux/slab.h>
9 #include <linux/remoteproc.h>
10 #include <linux/firmware.h>
11 #include <linux/of.h>
12 
13 #include "core.h"
14 #include "dp_tx.h"
15 #include "dp_rx.h"
16 #include "debug.h"
17 #include "hif.h"
18 #include "wow.h"
19 
20 unsigned int ath11k_debug_mask;
21 EXPORT_SYMBOL(ath11k_debug_mask);
22 module_param_named(debug_mask, ath11k_debug_mask, uint, 0644);
23 MODULE_PARM_DESC(debug_mask, "Debugging mask");
24 
25 static unsigned int ath11k_crypto_mode;
26 module_param_named(crypto_mode, ath11k_crypto_mode, uint, 0644);
27 MODULE_PARM_DESC(crypto_mode, "crypto mode: 0-hardware, 1-software");
28 
29 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
30 unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
31 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
32 MODULE_PARM_DESC(frame_mode,
33 		 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
34 
35 static const struct ath11k_hw_params ath11k_hw_params[] = {
36 	{
37 		.hw_rev = ATH11K_HW_IPQ8074,
38 		.name = "ipq8074 hw2.0",
39 		.fw = {
40 			.dir = "IPQ8074/hw2.0",
41 			.board_size = 256 * 1024,
42 			.cal_offset = 128 * 1024,
43 		},
44 		.max_radios = 3,
45 		.bdf_addr = 0x4B0C0000,
46 		.hw_ops = &ipq8074_ops,
47 		.ring_mask = &ath11k_hw_ring_mask_ipq8074,
48 		.internal_sleep_clock = false,
49 		.regs = &ipq8074_regs,
50 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074,
51 		.host_ce_config = ath11k_host_ce_config_ipq8074,
52 		.ce_count = 12,
53 		.target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
54 		.target_ce_count = 11,
55 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074,
56 		.svc_to_ce_map_len = 21,
57 		.single_pdev_only = false,
58 		.rxdma1_enable = true,
59 		.num_rxmda_per_pdev = 1,
60 		.rx_mac_buf_ring = false,
61 		.vdev_start_delay = false,
62 		.htt_peer_map_v2 = true,
63 
64 		.spectral = {
65 			.fft_sz = 2,
66 			/* HW bug, expected BIN size is 2 bytes but HW report as 4 bytes.
67 			 * so added pad size as 2 bytes to compensate the BIN size
68 			 */
69 			.fft_pad_sz = 2,
70 			.summary_pad_sz = 0,
71 			.fft_hdr_len = 16,
72 			.max_fft_bins = 512,
73 			.fragment_160mhz = true,
74 		},
75 
76 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
77 					BIT(NL80211_IFTYPE_AP) |
78 					BIT(NL80211_IFTYPE_MESH_POINT),
79 		.supports_monitor = true,
80 		.full_monitor_mode = false,
81 		.supports_shadow_regs = false,
82 		.idle_ps = false,
83 		.supports_sta_ps = false,
84 		.cold_boot_calib = true,
85 		.cbcal_restart_fw = true,
86 		.fw_mem_mode = 0,
87 		.num_vdevs = 16 + 1,
88 		.num_peers = 512,
89 		.supports_suspend = false,
90 		.hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074),
91 		.supports_regdb = false,
92 		.fix_l1ss = true,
93 		.credit_flow = false,
94 		.max_tx_ring = DP_TCL_NUM_RING_MAX,
95 		.hal_params = &ath11k_hw_hal_params_ipq8074,
96 		.supports_dynamic_smps_6ghz = false,
97 		.alloc_cacheable_memory = true,
98 		.supports_rssi_stats = false,
99 		.fw_wmi_diag_event = false,
100 		.current_cc_support = false,
101 		.dbr_debug_support = true,
102 		.global_reset = false,
103 		.bios_sar_capa = NULL,
104 		.m3_fw_support = false,
105 		.fixed_bdf_addr = true,
106 		.fixed_mem_region = true,
107 		.static_window_map = false,
108 		.hybrid_bus_type = false,
109 		.fixed_fw_mem = false,
110 		.support_off_channel_tx = false,
111 		.supports_multi_bssid = false,
112 
113 		.sram_dump = {},
114 
115 		.tcl_ring_retry = true,
116 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
117 		.smp2p_wow_exit = false,
118 	},
119 	{
120 		.hw_rev = ATH11K_HW_IPQ6018_HW10,
121 		.name = "ipq6018 hw1.0",
122 		.fw = {
123 			.dir = "IPQ6018/hw1.0",
124 			.board_size = 256 * 1024,
125 			.cal_offset = 128 * 1024,
126 		},
127 		.max_radios = 2,
128 		.bdf_addr = 0x4ABC0000,
129 		.hw_ops = &ipq6018_ops,
130 		.ring_mask = &ath11k_hw_ring_mask_ipq8074,
131 		.internal_sleep_clock = false,
132 		.regs = &ipq8074_regs,
133 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_IPQ8074,
134 		.host_ce_config = ath11k_host_ce_config_ipq8074,
135 		.ce_count = 12,
136 		.target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
137 		.target_ce_count = 11,
138 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018,
139 		.svc_to_ce_map_len = 19,
140 		.single_pdev_only = false,
141 		.rxdma1_enable = true,
142 		.num_rxmda_per_pdev = 1,
143 		.rx_mac_buf_ring = false,
144 		.vdev_start_delay = false,
145 		.htt_peer_map_v2 = true,
146 
147 		.spectral = {
148 			.fft_sz = 4,
149 			.fft_pad_sz = 0,
150 			.summary_pad_sz = 0,
151 			.fft_hdr_len = 16,
152 			.max_fft_bins = 512,
153 			.fragment_160mhz = true,
154 		},
155 
156 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
157 					BIT(NL80211_IFTYPE_AP) |
158 					BIT(NL80211_IFTYPE_MESH_POINT),
159 		.supports_monitor = true,
160 		.full_monitor_mode = false,
161 		.supports_shadow_regs = false,
162 		.idle_ps = false,
163 		.supports_sta_ps = false,
164 		.cold_boot_calib = true,
165 		.cbcal_restart_fw = true,
166 		.fw_mem_mode = 0,
167 		.num_vdevs = 16 + 1,
168 		.num_peers = 512,
169 		.supports_suspend = false,
170 		.hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074),
171 		.supports_regdb = false,
172 		.fix_l1ss = true,
173 		.credit_flow = false,
174 		.max_tx_ring = DP_TCL_NUM_RING_MAX,
175 		.hal_params = &ath11k_hw_hal_params_ipq8074,
176 		.supports_dynamic_smps_6ghz = false,
177 		.alloc_cacheable_memory = true,
178 		.supports_rssi_stats = false,
179 		.fw_wmi_diag_event = false,
180 		.current_cc_support = false,
181 		.dbr_debug_support = true,
182 		.global_reset = false,
183 		.bios_sar_capa = NULL,
184 		.m3_fw_support = false,
185 		.fixed_bdf_addr = true,
186 		.fixed_mem_region = true,
187 		.static_window_map = false,
188 		.hybrid_bus_type = false,
189 		.fixed_fw_mem = false,
190 		.support_off_channel_tx = false,
191 		.supports_multi_bssid = false,
192 
193 		.sram_dump = {},
194 
195 		.tcl_ring_retry = true,
196 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
197 		.smp2p_wow_exit = false,
198 	},
199 	{
200 		.name = "qca6390 hw2.0",
201 		.hw_rev = ATH11K_HW_QCA6390_HW20,
202 		.fw = {
203 			.dir = "QCA6390/hw2.0",
204 			.board_size = 256 * 1024,
205 			.cal_offset = 128 * 1024,
206 		},
207 		.max_radios = 3,
208 		.bdf_addr = 0x4B0C0000,
209 		.hw_ops = &qca6390_ops,
210 		.ring_mask = &ath11k_hw_ring_mask_qca6390,
211 		.internal_sleep_clock = true,
212 		.regs = &qca6390_regs,
213 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390,
214 		.host_ce_config = ath11k_host_ce_config_qca6390,
215 		.ce_count = 9,
216 		.target_ce_config = ath11k_target_ce_config_wlan_qca6390,
217 		.target_ce_count = 9,
218 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
219 		.svc_to_ce_map_len = 14,
220 		.single_pdev_only = true,
221 		.rxdma1_enable = false,
222 		.num_rxmda_per_pdev = 2,
223 		.rx_mac_buf_ring = true,
224 		.vdev_start_delay = true,
225 		.htt_peer_map_v2 = false,
226 
227 		.spectral = {
228 			.fft_sz = 0,
229 			.fft_pad_sz = 0,
230 			.summary_pad_sz = 0,
231 			.fft_hdr_len = 0,
232 			.max_fft_bins = 0,
233 			.fragment_160mhz = false,
234 		},
235 
236 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
237 					BIT(NL80211_IFTYPE_AP),
238 		.supports_monitor = false,
239 		.full_monitor_mode = false,
240 		.supports_shadow_regs = true,
241 		.idle_ps = true,
242 		.supports_sta_ps = true,
243 		.cold_boot_calib = false,
244 		.cbcal_restart_fw = false,
245 		.fw_mem_mode = 0,
246 		.num_vdevs = 16 + 1,
247 		.num_peers = 512,
248 		.supports_suspend = true,
249 		.hal_desc_sz = sizeof(struct hal_rx_desc_ipq8074),
250 		.supports_regdb = false,
251 		.fix_l1ss = true,
252 		.credit_flow = true,
253 		.max_tx_ring = DP_TCL_NUM_RING_MAX_QCA6390,
254 		.hal_params = &ath11k_hw_hal_params_qca6390,
255 		.supports_dynamic_smps_6ghz = false,
256 		.alloc_cacheable_memory = false,
257 		.supports_rssi_stats = true,
258 		.fw_wmi_diag_event = true,
259 		.current_cc_support = true,
260 		.dbr_debug_support = false,
261 		.global_reset = true,
262 		.bios_sar_capa = NULL,
263 		.m3_fw_support = true,
264 		.fixed_bdf_addr = false,
265 		.fixed_mem_region = false,
266 		.static_window_map = false,
267 		.hybrid_bus_type = false,
268 		.fixed_fw_mem = false,
269 		.support_off_channel_tx = true,
270 		.supports_multi_bssid = true,
271 
272 		.sram_dump = {
273 			.start = 0x01400000,
274 			.end = 0x0171ffff,
275 		},
276 
277 		.tcl_ring_retry = true,
278 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
279 		.smp2p_wow_exit = false,
280 	},
281 	{
282 		.name = "qcn9074 hw1.0",
283 		.hw_rev = ATH11K_HW_QCN9074_HW10,
284 		.fw = {
285 			.dir = "QCN9074/hw1.0",
286 			.board_size = 256 * 1024,
287 			.cal_offset = 128 * 1024,
288 		},
289 		.max_radios = 1,
290 		.single_pdev_only = false,
291 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCN9074,
292 		.hw_ops = &qcn9074_ops,
293 		.ring_mask = &ath11k_hw_ring_mask_qcn9074,
294 		.internal_sleep_clock = false,
295 		.regs = &qcn9074_regs,
296 		.host_ce_config = ath11k_host_ce_config_qcn9074,
297 		.ce_count = 6,
298 		.target_ce_config = ath11k_target_ce_config_wlan_qcn9074,
299 		.target_ce_count = 9,
300 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qcn9074,
301 		.svc_to_ce_map_len = 18,
302 		.rxdma1_enable = true,
303 		.num_rxmda_per_pdev = 1,
304 		.rx_mac_buf_ring = false,
305 		.vdev_start_delay = false,
306 		.htt_peer_map_v2 = true,
307 
308 		.spectral = {
309 			.fft_sz = 2,
310 			.fft_pad_sz = 0,
311 			.summary_pad_sz = 16,
312 			.fft_hdr_len = 24,
313 			.max_fft_bins = 1024,
314 			.fragment_160mhz = false,
315 		},
316 
317 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
318 					BIT(NL80211_IFTYPE_AP) |
319 					BIT(NL80211_IFTYPE_MESH_POINT),
320 		.supports_monitor = true,
321 		.full_monitor_mode = true,
322 		.supports_shadow_regs = false,
323 		.idle_ps = false,
324 		.supports_sta_ps = false,
325 		.cold_boot_calib = false,
326 		.cbcal_restart_fw = false,
327 		.fw_mem_mode = 2,
328 		.num_vdevs = 8,
329 		.num_peers = 128,
330 		.supports_suspend = false,
331 		.hal_desc_sz = sizeof(struct hal_rx_desc_qcn9074),
332 		.supports_regdb = false,
333 		.fix_l1ss = true,
334 		.credit_flow = false,
335 		.max_tx_ring = DP_TCL_NUM_RING_MAX,
336 		.hal_params = &ath11k_hw_hal_params_ipq8074,
337 		.supports_dynamic_smps_6ghz = true,
338 		.alloc_cacheable_memory = true,
339 		.supports_rssi_stats = false,
340 		.fw_wmi_diag_event = false,
341 		.current_cc_support = false,
342 		.dbr_debug_support = true,
343 		.global_reset = false,
344 		.bios_sar_capa = NULL,
345 		.m3_fw_support = true,
346 		.fixed_bdf_addr = false,
347 		.fixed_mem_region = false,
348 		.static_window_map = true,
349 		.hybrid_bus_type = false,
350 		.fixed_fw_mem = false,
351 		.support_off_channel_tx = false,
352 		.supports_multi_bssid = false,
353 
354 		.sram_dump = {},
355 
356 		.tcl_ring_retry = true,
357 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
358 		.smp2p_wow_exit = false,
359 	},
360 	{
361 		.name = "wcn6855 hw2.0",
362 		.hw_rev = ATH11K_HW_WCN6855_HW20,
363 		.fw = {
364 			.dir = "WCN6855/hw2.0",
365 			.board_size = 256 * 1024,
366 			.cal_offset = 128 * 1024,
367 		},
368 		.max_radios = 3,
369 		.bdf_addr = 0x4B0C0000,
370 		.hw_ops = &wcn6855_ops,
371 		.ring_mask = &ath11k_hw_ring_mask_qca6390,
372 		.internal_sleep_clock = true,
373 		.regs = &wcn6855_regs,
374 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390,
375 		.host_ce_config = ath11k_host_ce_config_qca6390,
376 		.ce_count = 9,
377 		.target_ce_config = ath11k_target_ce_config_wlan_qca6390,
378 		.target_ce_count = 9,
379 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
380 		.svc_to_ce_map_len = 14,
381 		.single_pdev_only = true,
382 		.rxdma1_enable = false,
383 		.num_rxmda_per_pdev = 2,
384 		.rx_mac_buf_ring = true,
385 		.vdev_start_delay = true,
386 		.htt_peer_map_v2 = false,
387 
388 		.spectral = {
389 			.fft_sz = 0,
390 			.fft_pad_sz = 0,
391 			.summary_pad_sz = 0,
392 			.fft_hdr_len = 0,
393 			.max_fft_bins = 0,
394 			.fragment_160mhz = false,
395 		},
396 
397 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
398 					BIT(NL80211_IFTYPE_AP),
399 		.supports_monitor = false,
400 		.full_monitor_mode = false,
401 		.supports_shadow_regs = true,
402 		.idle_ps = true,
403 		.supports_sta_ps = true,
404 		.cold_boot_calib = false,
405 		.cbcal_restart_fw = false,
406 		.fw_mem_mode = 0,
407 		.num_vdevs = 16 + 1,
408 		.num_peers = 512,
409 		.supports_suspend = true,
410 		.hal_desc_sz = sizeof(struct hal_rx_desc_wcn6855),
411 		.supports_regdb = true,
412 		.fix_l1ss = false,
413 		.credit_flow = true,
414 		.max_tx_ring = DP_TCL_NUM_RING_MAX_QCA6390,
415 		.hal_params = &ath11k_hw_hal_params_qca6390,
416 		.supports_dynamic_smps_6ghz = false,
417 		.alloc_cacheable_memory = false,
418 		.supports_rssi_stats = true,
419 		.fw_wmi_diag_event = true,
420 		.current_cc_support = true,
421 		.dbr_debug_support = false,
422 		.global_reset = true,
423 		.bios_sar_capa = &ath11k_hw_sar_capa_wcn6855,
424 		.m3_fw_support = true,
425 		.fixed_bdf_addr = false,
426 		.fixed_mem_region = false,
427 		.static_window_map = false,
428 		.hybrid_bus_type = false,
429 		.fixed_fw_mem = false,
430 		.support_off_channel_tx = true,
431 		.supports_multi_bssid = true,
432 
433 		.sram_dump = {
434 			.start = 0x01400000,
435 			.end = 0x0177ffff,
436 		},
437 
438 		.tcl_ring_retry = true,
439 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
440 		.smp2p_wow_exit = false,
441 	},
442 	{
443 		.name = "wcn6855 hw2.1",
444 		.hw_rev = ATH11K_HW_WCN6855_HW21,
445 		.fw = {
446 			.dir = "WCN6855/hw2.1",
447 			.board_size = 256 * 1024,
448 			.cal_offset = 128 * 1024,
449 		},
450 		.max_radios = 3,
451 		.bdf_addr = 0x4B0C0000,
452 		.hw_ops = &wcn6855_ops,
453 		.ring_mask = &ath11k_hw_ring_mask_qca6390,
454 		.internal_sleep_clock = true,
455 		.regs = &wcn6855_regs,
456 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_QCA6390,
457 		.host_ce_config = ath11k_host_ce_config_qca6390,
458 		.ce_count = 9,
459 		.target_ce_config = ath11k_target_ce_config_wlan_qca6390,
460 		.target_ce_count = 9,
461 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
462 		.svc_to_ce_map_len = 14,
463 		.single_pdev_only = true,
464 		.rxdma1_enable = false,
465 		.num_rxmda_per_pdev = 2,
466 		.rx_mac_buf_ring = true,
467 		.vdev_start_delay = true,
468 		.htt_peer_map_v2 = false,
469 
470 		.spectral = {
471 			.fft_sz = 0,
472 			.fft_pad_sz = 0,
473 			.summary_pad_sz = 0,
474 			.fft_hdr_len = 0,
475 			.max_fft_bins = 0,
476 			.fragment_160mhz = false,
477 		},
478 
479 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
480 					BIT(NL80211_IFTYPE_AP),
481 		.supports_monitor = false,
482 		.supports_shadow_regs = true,
483 		.idle_ps = true,
484 		.supports_sta_ps = true,
485 		.cold_boot_calib = false,
486 		.cbcal_restart_fw = false,
487 		.fw_mem_mode = 0,
488 		.num_vdevs = 16 + 1,
489 		.num_peers = 512,
490 		.supports_suspend = true,
491 		.hal_desc_sz = sizeof(struct hal_rx_desc_wcn6855),
492 		.supports_regdb = true,
493 		.fix_l1ss = false,
494 		.credit_flow = true,
495 		.max_tx_ring = DP_TCL_NUM_RING_MAX_QCA6390,
496 		.hal_params = &ath11k_hw_hal_params_qca6390,
497 		.supports_dynamic_smps_6ghz = false,
498 		.alloc_cacheable_memory = false,
499 		.supports_rssi_stats = true,
500 		.fw_wmi_diag_event = true,
501 		.current_cc_support = true,
502 		.dbr_debug_support = false,
503 		.global_reset = true,
504 		.bios_sar_capa = &ath11k_hw_sar_capa_wcn6855,
505 		.m3_fw_support = true,
506 		.fixed_bdf_addr = false,
507 		.fixed_mem_region = false,
508 		.static_window_map = false,
509 		.hybrid_bus_type = false,
510 		.fixed_fw_mem = false,
511 		.support_off_channel_tx = true,
512 		.supports_multi_bssid = true,
513 
514 		.sram_dump = {
515 			.start = 0x01400000,
516 			.end = 0x0177ffff,
517 		},
518 
519 		.tcl_ring_retry = true,
520 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
521 		.smp2p_wow_exit = false,
522 	},
523 	{
524 		.name = "wcn6750 hw1.0",
525 		.hw_rev = ATH11K_HW_WCN6750_HW10,
526 		.fw = {
527 			.dir = "WCN6750/hw1.0",
528 			.board_size = 256 * 1024,
529 			.cal_offset = 128 * 1024,
530 		},
531 		.max_radios = 1,
532 		.bdf_addr = 0x4B0C0000,
533 		.hw_ops = &wcn6750_ops,
534 		.ring_mask = &ath11k_hw_ring_mask_wcn6750,
535 		.internal_sleep_clock = false,
536 		.regs = &wcn6750_regs,
537 		.qmi_service_ins_id = ATH11K_QMI_WLFW_SERVICE_INS_ID_V01_WCN6750,
538 		.host_ce_config = ath11k_host_ce_config_qca6390,
539 		.ce_count = 9,
540 		.target_ce_config = ath11k_target_ce_config_wlan_qca6390,
541 		.target_ce_count = 9,
542 		.svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
543 		.svc_to_ce_map_len = 14,
544 		.single_pdev_only = true,
545 		.rxdma1_enable = false,
546 		.num_rxmda_per_pdev = 1,
547 		.rx_mac_buf_ring = true,
548 		.vdev_start_delay = true,
549 		.htt_peer_map_v2 = false,
550 
551 		.spectral = {
552 			.fft_sz = 0,
553 			.fft_pad_sz = 0,
554 			.summary_pad_sz = 0,
555 			.fft_hdr_len = 0,
556 			.max_fft_bins = 0,
557 			.fragment_160mhz = false,
558 		},
559 
560 		.interface_modes = BIT(NL80211_IFTYPE_STATION) |
561 					BIT(NL80211_IFTYPE_AP),
562 		.supports_monitor = false,
563 		.supports_shadow_regs = true,
564 		.idle_ps = true,
565 		.supports_sta_ps = true,
566 		.cold_boot_calib = true,
567 		.cbcal_restart_fw = false,
568 		.fw_mem_mode = 0,
569 		.num_vdevs = 16 + 1,
570 		.num_peers = 512,
571 		.supports_suspend = false,
572 		.hal_desc_sz = sizeof(struct hal_rx_desc_qcn9074),
573 		.supports_regdb = true,
574 		.fix_l1ss = false,
575 		.credit_flow = true,
576 		.max_tx_ring = DP_TCL_NUM_RING_MAX,
577 		.hal_params = &ath11k_hw_hal_params_wcn6750,
578 		.supports_dynamic_smps_6ghz = false,
579 		.alloc_cacheable_memory = false,
580 		.supports_rssi_stats = true,
581 		.fw_wmi_diag_event = false,
582 		.current_cc_support = true,
583 		.dbr_debug_support = false,
584 		.global_reset = false,
585 		.bios_sar_capa = NULL,
586 		.m3_fw_support = false,
587 		.fixed_bdf_addr = false,
588 		.fixed_mem_region = false,
589 		.static_window_map = true,
590 		.hybrid_bus_type = true,
591 		.fixed_fw_mem = true,
592 		.support_off_channel_tx = true,
593 		.supports_multi_bssid = true,
594 
595 		.sram_dump = {},
596 
597 		.tcl_ring_retry = false,
598 		.tx_ring_size = DP_TCL_DATA_RING_SIZE_WCN6750,
599 		.smp2p_wow_exit = true,
600 	},
601 };
602 
ath11k_core_get_single_pdev(struct ath11k_base * ab)603 static inline struct ath11k_pdev *ath11k_core_get_single_pdev(struct ath11k_base *ab)
604 {
605 	WARN_ON(!ab->hw_params.single_pdev_only);
606 
607 	return &ab->pdevs[0];
608 }
609 
ath11k_fw_stats_pdevs_free(struct list_head * head)610 void ath11k_fw_stats_pdevs_free(struct list_head *head)
611 {
612 	struct ath11k_fw_stats_pdev *i, *tmp;
613 
614 	list_for_each_entry_safe(i, tmp, head, list) {
615 		list_del(&i->list);
616 		kfree(i);
617 	}
618 }
619 
ath11k_fw_stats_vdevs_free(struct list_head * head)620 void ath11k_fw_stats_vdevs_free(struct list_head *head)
621 {
622 	struct ath11k_fw_stats_vdev *i, *tmp;
623 
624 	list_for_each_entry_safe(i, tmp, head, list) {
625 		list_del(&i->list);
626 		kfree(i);
627 	}
628 }
629 
ath11k_fw_stats_bcn_free(struct list_head * head)630 void ath11k_fw_stats_bcn_free(struct list_head *head)
631 {
632 	struct ath11k_fw_stats_bcn *i, *tmp;
633 
634 	list_for_each_entry_safe(i, tmp, head, list) {
635 		list_del(&i->list);
636 		kfree(i);
637 	}
638 }
639 
ath11k_fw_stats_init(struct ath11k * ar)640 void ath11k_fw_stats_init(struct ath11k *ar)
641 {
642 	INIT_LIST_HEAD(&ar->fw_stats.pdevs);
643 	INIT_LIST_HEAD(&ar->fw_stats.vdevs);
644 	INIT_LIST_HEAD(&ar->fw_stats.bcn);
645 
646 	init_completion(&ar->fw_stats_complete);
647 }
648 
ath11k_fw_stats_free(struct ath11k_fw_stats * stats)649 void ath11k_fw_stats_free(struct ath11k_fw_stats *stats)
650 {
651 	ath11k_fw_stats_pdevs_free(&stats->pdevs);
652 	ath11k_fw_stats_vdevs_free(&stats->vdevs);
653 	ath11k_fw_stats_bcn_free(&stats->bcn);
654 }
655 
ath11k_core_suspend(struct ath11k_base * ab)656 int ath11k_core_suspend(struct ath11k_base *ab)
657 {
658 	int ret;
659 	struct ath11k_pdev *pdev;
660 	struct ath11k *ar;
661 
662 	if (!ab->hw_params.supports_suspend)
663 		return -EOPNOTSUPP;
664 
665 	/* so far single_pdev_only chips have supports_suspend as true
666 	 * and only the first pdev is valid.
667 	 */
668 	pdev = ath11k_core_get_single_pdev(ab);
669 	ar = pdev->ar;
670 	if (!ar || ar->state != ATH11K_STATE_OFF)
671 		return 0;
672 
673 	ret = ath11k_dp_rx_pktlog_stop(ab, true);
674 	if (ret) {
675 		ath11k_warn(ab, "failed to stop dp rx (and timer) pktlog during suspend: %d\n",
676 			    ret);
677 		return ret;
678 	}
679 
680 	ret = ath11k_mac_wait_tx_complete(ar);
681 	if (ret) {
682 		ath11k_warn(ab, "failed to wait tx complete: %d\n", ret);
683 		return ret;
684 	}
685 
686 	ret = ath11k_wow_enable(ab);
687 	if (ret) {
688 		ath11k_warn(ab, "failed to enable wow during suspend: %d\n", ret);
689 		return ret;
690 	}
691 
692 	ret = ath11k_dp_rx_pktlog_stop(ab, false);
693 	if (ret) {
694 		ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n",
695 			    ret);
696 		return ret;
697 	}
698 
699 	ath11k_ce_stop_shadow_timers(ab);
700 	ath11k_dp_stop_shadow_timers(ab);
701 
702 	ath11k_hif_irq_disable(ab);
703 	ath11k_hif_ce_irq_disable(ab);
704 
705 	ret = ath11k_hif_suspend(ab);
706 	if (ret) {
707 		ath11k_warn(ab, "failed to suspend hif: %d\n", ret);
708 		return ret;
709 	}
710 
711 	return 0;
712 }
713 EXPORT_SYMBOL(ath11k_core_suspend);
714 
ath11k_core_resume(struct ath11k_base * ab)715 int ath11k_core_resume(struct ath11k_base *ab)
716 {
717 	int ret;
718 	struct ath11k_pdev *pdev;
719 	struct ath11k *ar;
720 
721 	if (!ab->hw_params.supports_suspend)
722 		return -EOPNOTSUPP;
723 
724 	/* so far signle_pdev_only chips have supports_suspend as true
725 	 * and only the first pdev is valid.
726 	 */
727 	pdev = ath11k_core_get_single_pdev(ab);
728 	ar = pdev->ar;
729 	if (!ar || ar->state != ATH11K_STATE_OFF)
730 		return 0;
731 
732 	ret = ath11k_hif_resume(ab);
733 	if (ret) {
734 		ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret);
735 		return ret;
736 	}
737 
738 	ath11k_hif_ce_irq_enable(ab);
739 	ath11k_hif_irq_enable(ab);
740 
741 	ret = ath11k_dp_rx_pktlog_start(ab);
742 	if (ret) {
743 		ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n",
744 			    ret);
745 		return ret;
746 	}
747 
748 	ret = ath11k_wow_wakeup(ab);
749 	if (ret) {
750 		ath11k_warn(ab, "failed to wakeup wow during resume: %d\n", ret);
751 		return ret;
752 	}
753 
754 	return 0;
755 }
756 EXPORT_SYMBOL(ath11k_core_resume);
757 
ath11k_core_check_cc_code_bdfext(const struct dmi_header * hdr,void * data)758 static void ath11k_core_check_cc_code_bdfext(const struct dmi_header *hdr, void *data)
759 {
760 	struct ath11k_base *ab = data;
761 	const char *magic = ATH11K_SMBIOS_BDF_EXT_MAGIC;
762 	struct ath11k_smbios_bdf *smbios = (struct ath11k_smbios_bdf *)hdr;
763 	ssize_t copied;
764 	size_t len;
765 	int i;
766 
767 	if (ab->qmi.target.bdf_ext[0] != '\0')
768 		return;
769 
770 	if (hdr->type != ATH11K_SMBIOS_BDF_EXT_TYPE)
771 		return;
772 
773 	if (hdr->length != ATH11K_SMBIOS_BDF_EXT_LENGTH) {
774 		ath11k_dbg(ab, ATH11K_DBG_BOOT,
775 			   "wrong smbios bdf ext type length (%d).\n",
776 			   hdr->length);
777 		return;
778 	}
779 
780 	spin_lock_bh(&ab->base_lock);
781 
782 	switch (smbios->country_code_flag) {
783 	case ATH11K_SMBIOS_CC_ISO:
784 		ab->new_alpha2[0] = (smbios->cc_code >> 8) & 0xff;
785 		ab->new_alpha2[1] = smbios->cc_code & 0xff;
786 		ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot smbios cc_code %c%c\n",
787 			   ab->new_alpha2[0], ab->new_alpha2[1]);
788 		break;
789 	case ATH11K_SMBIOS_CC_WW:
790 		ab->new_alpha2[0] = '0';
791 		ab->new_alpha2[1] = '0';
792 		ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot smbios worldwide regdomain\n");
793 		break;
794 	default:
795 		ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot ignore smbios country code setting %d\n",
796 			   smbios->country_code_flag);
797 		break;
798 	}
799 
800 	spin_unlock_bh(&ab->base_lock);
801 
802 	if (!smbios->bdf_enabled) {
803 		ath11k_dbg(ab, ATH11K_DBG_BOOT, "bdf variant name not found.\n");
804 		return;
805 	}
806 
807 	/* Only one string exists (per spec) */
808 	if (memcmp(smbios->bdf_ext, magic, strlen(magic)) != 0) {
809 		ath11k_dbg(ab, ATH11K_DBG_BOOT,
810 			   "bdf variant magic does not match.\n");
811 		return;
812 	}
813 
814 	len = min_t(size_t,
815 		    strlen(smbios->bdf_ext), sizeof(ab->qmi.target.bdf_ext));
816 	for (i = 0; i < len; i++) {
817 		if (!isascii(smbios->bdf_ext[i]) || !isprint(smbios->bdf_ext[i])) {
818 			ath11k_dbg(ab, ATH11K_DBG_BOOT,
819 				   "bdf variant name contains non ascii chars.\n");
820 			return;
821 		}
822 	}
823 
824 	/* Copy extension name without magic prefix */
825 	copied = strscpy(ab->qmi.target.bdf_ext, smbios->bdf_ext + strlen(magic),
826 			 sizeof(ab->qmi.target.bdf_ext));
827 	if (copied < 0) {
828 		ath11k_dbg(ab, ATH11K_DBG_BOOT,
829 			   "bdf variant string is longer than the buffer can accommodate\n");
830 		return;
831 	}
832 
833 	ath11k_dbg(ab, ATH11K_DBG_BOOT,
834 		   "found and validated bdf variant smbios_type 0x%x bdf %s\n",
835 		   ATH11K_SMBIOS_BDF_EXT_TYPE, ab->qmi.target.bdf_ext);
836 }
837 
ath11k_core_check_smbios(struct ath11k_base * ab)838 int ath11k_core_check_smbios(struct ath11k_base *ab)
839 {
840 	ab->qmi.target.bdf_ext[0] = '\0';
841 	dmi_walk(ath11k_core_check_cc_code_bdfext, ab);
842 
843 	if (ab->qmi.target.bdf_ext[0] == '\0')
844 		return -ENODATA;
845 
846 	return 0;
847 }
848 
ath11k_core_check_dt(struct ath11k_base * ab)849 int ath11k_core_check_dt(struct ath11k_base *ab)
850 {
851 	size_t max_len = sizeof(ab->qmi.target.bdf_ext);
852 	const char *variant = NULL;
853 	struct device_node *node;
854 
855 	node = ab->dev->of_node;
856 	if (!node)
857 		return -ENOENT;
858 
859 	of_property_read_string(node, "qcom,ath11k-calibration-variant",
860 				&variant);
861 	if (!variant)
862 		return -ENODATA;
863 
864 	if (strscpy(ab->qmi.target.bdf_ext, variant, max_len) < 0)
865 		ath11k_dbg(ab, ATH11K_DBG_BOOT,
866 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
867 			    variant);
868 
869 	return 0;
870 }
871 
__ath11k_core_create_board_name(struct ath11k_base * ab,char * name,size_t name_len,bool with_variant)872 static int __ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
873 					   size_t name_len, bool with_variant)
874 {
875 	/* strlen(',variant=') + strlen(ab->qmi.target.bdf_ext) */
876 	char variant[9 + ATH11K_QMI_BDF_EXT_STR_LENGTH] = { 0 };
877 
878 	if (with_variant && ab->qmi.target.bdf_ext[0] != '\0')
879 		scnprintf(variant, sizeof(variant), ",variant=%s",
880 			  ab->qmi.target.bdf_ext);
881 
882 	switch (ab->id.bdf_search) {
883 	case ATH11K_BDF_SEARCH_BUS_AND_BOARD:
884 		scnprintf(name, name_len,
885 			  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x,qmi-chip-id=%d,qmi-board-id=%d%s",
886 			  ath11k_bus_str(ab->hif.bus),
887 			  ab->id.vendor, ab->id.device,
888 			  ab->id.subsystem_vendor,
889 			  ab->id.subsystem_device,
890 			  ab->qmi.target.chip_id,
891 			  ab->qmi.target.board_id,
892 			  variant);
893 		break;
894 	default:
895 		scnprintf(name, name_len,
896 			  "bus=%s,qmi-chip-id=%d,qmi-board-id=%d%s",
897 			  ath11k_bus_str(ab->hif.bus),
898 			  ab->qmi.target.chip_id,
899 			  ab->qmi.target.board_id, variant);
900 		break;
901 	}
902 
903 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name);
904 
905 	return 0;
906 }
907 
ath11k_core_create_board_name(struct ath11k_base * ab,char * name,size_t name_len)908 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
909 					 size_t name_len)
910 {
911 	return __ath11k_core_create_board_name(ab, name, name_len, true);
912 }
913 
ath11k_core_create_fallback_board_name(struct ath11k_base * ab,char * name,size_t name_len)914 static int ath11k_core_create_fallback_board_name(struct ath11k_base *ab, char *name,
915 						  size_t name_len)
916 {
917 	return __ath11k_core_create_board_name(ab, name, name_len, false);
918 }
919 
ath11k_core_firmware_request(struct ath11k_base * ab,const char * file)920 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab,
921 						    const char *file)
922 {
923 	const struct firmware *fw;
924 	char path[100];
925 	int ret;
926 
927 	if (file == NULL)
928 		return ERR_PTR(-ENOENT);
929 
930 	ath11k_core_create_firmware_path(ab, file, path, sizeof(path));
931 
932 	ret = firmware_request_nowarn(&fw, path, ab->dev);
933 	if (ret)
934 		return ERR_PTR(ret);
935 
936 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n",
937 		   path, fw->size);
938 
939 	return fw;
940 }
941 
ath11k_core_free_bdf(struct ath11k_base * ab,struct ath11k_board_data * bd)942 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
943 {
944 	if (!IS_ERR(bd->fw))
945 		release_firmware(bd->fw);
946 
947 	memset(bd, 0, sizeof(*bd));
948 }
949 
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 ie_id,int name_id,int data_id)950 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab,
951 					 struct ath11k_board_data *bd,
952 					 const void *buf, size_t buf_len,
953 					 const char *boardname,
954 					 int ie_id,
955 					 int name_id,
956 					 int data_id)
957 {
958 	const struct ath11k_fw_ie *hdr;
959 	bool name_match_found;
960 	int ret, board_ie_id;
961 	size_t board_ie_len;
962 	const void *board_ie_data;
963 
964 	name_match_found = false;
965 
966 	/* go through ATH11K_BD_IE_BOARD_/ATH11K_BD_IE_REGDB_ elements */
967 	while (buf_len > sizeof(struct ath11k_fw_ie)) {
968 		hdr = buf;
969 		board_ie_id = le32_to_cpu(hdr->id);
970 		board_ie_len = le32_to_cpu(hdr->len);
971 		board_ie_data = hdr->data;
972 
973 		buf_len -= sizeof(*hdr);
974 		buf += sizeof(*hdr);
975 
976 		if (buf_len < ALIGN(board_ie_len, 4)) {
977 			ath11k_err(ab, "invalid %s length: %zu < %zu\n",
978 				   ath11k_bd_ie_type_str(ie_id),
979 				   buf_len, ALIGN(board_ie_len, 4));
980 			ret = -EINVAL;
981 			goto out;
982 		}
983 
984 		if (board_ie_id == name_id) {
985 			ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "",
986 					board_ie_data, board_ie_len);
987 
988 			if (board_ie_len != strlen(boardname))
989 				goto next;
990 
991 			ret = memcmp(board_ie_data, boardname, strlen(boardname));
992 			if (ret)
993 				goto next;
994 
995 			name_match_found = true;
996 			ath11k_dbg(ab, ATH11K_DBG_BOOT,
997 				   "boot found match %s for name '%s'",
998 				   ath11k_bd_ie_type_str(ie_id),
999 				   boardname);
1000 		} else if (board_ie_id == data_id) {
1001 			if (!name_match_found)
1002 				/* no match found */
1003 				goto next;
1004 
1005 			ath11k_dbg(ab, ATH11K_DBG_BOOT,
1006 				   "boot found %s for '%s'",
1007 				   ath11k_bd_ie_type_str(ie_id),
1008 				   boardname);
1009 
1010 			bd->data = board_ie_data;
1011 			bd->len = board_ie_len;
1012 
1013 			ret = 0;
1014 			goto out;
1015 		} else {
1016 			ath11k_warn(ab, "unknown %s id found: %d\n",
1017 				    ath11k_bd_ie_type_str(ie_id),
1018 				    board_ie_id);
1019 		}
1020 next:
1021 		/* jump over the padding */
1022 		board_ie_len = ALIGN(board_ie_len, 4);
1023 
1024 		buf_len -= board_ie_len;
1025 		buf += board_ie_len;
1026 	}
1027 
1028 	/* no match found */
1029 	ret = -ENOENT;
1030 
1031 out:
1032 	return ret;
1033 }
1034 
ath11k_core_fetch_board_data_api_n(struct ath11k_base * ab,struct ath11k_board_data * bd,const char * boardname,int ie_id_match,int name_id,int data_id)1035 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab,
1036 					      struct ath11k_board_data *bd,
1037 					      const char *boardname,
1038 					      int ie_id_match,
1039 					      int name_id,
1040 					      int data_id)
1041 {
1042 	size_t len, magic_len;
1043 	const u8 *data;
1044 	char *filename, filepath[100];
1045 	size_t ie_len;
1046 	struct ath11k_fw_ie *hdr;
1047 	int ret, ie_id;
1048 
1049 	filename = ATH11K_BOARD_API2_FILE;
1050 
1051 	if (!bd->fw)
1052 		bd->fw = ath11k_core_firmware_request(ab, filename);
1053 
1054 	if (IS_ERR(bd->fw))
1055 		return PTR_ERR(bd->fw);
1056 
1057 	data = bd->fw->data;
1058 	len = bd->fw->size;
1059 
1060 	ath11k_core_create_firmware_path(ab, filename,
1061 					 filepath, sizeof(filepath));
1062 
1063 	/* magic has extra null byte padded */
1064 	magic_len = strlen(ATH11K_BOARD_MAGIC) + 1;
1065 	if (len < magic_len) {
1066 		ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n",
1067 			   filepath, len);
1068 		ret = -EINVAL;
1069 		goto err;
1070 	}
1071 
1072 	if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) {
1073 		ath11k_err(ab, "found invalid board magic\n");
1074 		ret = -EINVAL;
1075 		goto err;
1076 	}
1077 
1078 	/* magic is padded to 4 bytes */
1079 	magic_len = ALIGN(magic_len, 4);
1080 	if (len < magic_len) {
1081 		ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n",
1082 			   filepath, len);
1083 		ret = -EINVAL;
1084 		goto err;
1085 	}
1086 
1087 	data += magic_len;
1088 	len -= magic_len;
1089 
1090 	while (len > sizeof(struct ath11k_fw_ie)) {
1091 		hdr = (struct ath11k_fw_ie *)data;
1092 		ie_id = le32_to_cpu(hdr->id);
1093 		ie_len = le32_to_cpu(hdr->len);
1094 
1095 		len -= sizeof(*hdr);
1096 		data = hdr->data;
1097 
1098 		if (len < ALIGN(ie_len, 4)) {
1099 			ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1100 				   ie_id, ie_len, len);
1101 			ret = -EINVAL;
1102 			goto err;
1103 		}
1104 
1105 		if (ie_id == ie_id_match) {
1106 			ret = ath11k_core_parse_bd_ie_board(ab, bd, data,
1107 							    ie_len,
1108 							    boardname,
1109 							    ie_id_match,
1110 							    name_id,
1111 							    data_id);
1112 			if (ret == -ENOENT)
1113 				/* no match found, continue */
1114 				goto next;
1115 			else if (ret)
1116 				/* there was an error, bail out */
1117 				goto err;
1118 			/* either found or error, so stop searching */
1119 			goto out;
1120 		}
1121 next:
1122 		/* jump over the padding */
1123 		ie_len = ALIGN(ie_len, 4);
1124 
1125 		len -= ie_len;
1126 		data += ie_len;
1127 	}
1128 
1129 out:
1130 	if (!bd->data || !bd->len) {
1131 		ath11k_dbg(ab, ATH11K_DBG_BOOT,
1132 			   "failed to fetch %s for %s from %s\n",
1133 			   ath11k_bd_ie_type_str(ie_id_match),
1134 			   boardname, filepath);
1135 		ret = -ENODATA;
1136 		goto err;
1137 	}
1138 
1139 	return 0;
1140 
1141 err:
1142 	ath11k_core_free_bdf(ab, bd);
1143 	return ret;
1144 }
1145 
ath11k_core_fetch_board_data_api_1(struct ath11k_base * ab,struct ath11k_board_data * bd,const char * name)1146 int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab,
1147 				       struct ath11k_board_data *bd,
1148 				       const char *name)
1149 {
1150 	bd->fw = ath11k_core_firmware_request(ab, name);
1151 
1152 	if (IS_ERR(bd->fw))
1153 		return PTR_ERR(bd->fw);
1154 
1155 	bd->data = bd->fw->data;
1156 	bd->len = bd->fw->size;
1157 
1158 	return 0;
1159 }
1160 
1161 #define BOARD_NAME_SIZE 200
ath11k_core_fetch_bdf(struct ath11k_base * ab,struct ath11k_board_data * bd)1162 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
1163 {
1164 	char boardname[BOARD_NAME_SIZE], fallback_boardname[BOARD_NAME_SIZE];
1165 	char *filename, filepath[100];
1166 	int ret;
1167 
1168 	filename = ATH11K_BOARD_API2_FILE;
1169 
1170 	ret = ath11k_core_create_board_name(ab, boardname, sizeof(boardname));
1171 	if (ret) {
1172 		ath11k_err(ab, "failed to create board name: %d", ret);
1173 		return ret;
1174 	}
1175 
1176 	ab->bd_api = 2;
1177 	ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname,
1178 						 ATH11K_BD_IE_BOARD,
1179 						 ATH11K_BD_IE_BOARD_NAME,
1180 						 ATH11K_BD_IE_BOARD_DATA);
1181 	if (!ret)
1182 		goto success;
1183 
1184 	ret = ath11k_core_create_fallback_board_name(ab, fallback_boardname,
1185 						     sizeof(fallback_boardname));
1186 	if (ret) {
1187 		ath11k_err(ab, "failed to create fallback board name: %d", ret);
1188 		return ret;
1189 	}
1190 
1191 	ret = ath11k_core_fetch_board_data_api_n(ab, bd, fallback_boardname,
1192 						 ATH11K_BD_IE_BOARD,
1193 						 ATH11K_BD_IE_BOARD_NAME,
1194 						 ATH11K_BD_IE_BOARD_DATA);
1195 	if (!ret)
1196 		goto success;
1197 
1198 	ab->bd_api = 1;
1199 	ret = ath11k_core_fetch_board_data_api_1(ab, bd, ATH11K_DEFAULT_BOARD_FILE);
1200 	if (ret) {
1201 		ath11k_core_create_firmware_path(ab, filename,
1202 						 filepath, sizeof(filepath));
1203 		ath11k_err(ab, "failed to fetch board data for %s from %s\n",
1204 			   boardname, filepath);
1205 		if (memcmp(boardname, fallback_boardname, strlen(boardname)))
1206 			ath11k_err(ab, "failed to fetch board data for %s from %s\n",
1207 				   fallback_boardname, filepath);
1208 
1209 		ath11k_err(ab, "failed to fetch board.bin from %s\n",
1210 			   ab->hw_params.fw.dir);
1211 		return ret;
1212 	}
1213 
1214 success:
1215 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api);
1216 	return 0;
1217 }
1218 
ath11k_core_fetch_regdb(struct ath11k_base * ab,struct ath11k_board_data * bd)1219 int ath11k_core_fetch_regdb(struct ath11k_base *ab, struct ath11k_board_data *bd)
1220 {
1221 	char boardname[BOARD_NAME_SIZE];
1222 	int ret;
1223 
1224 	ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE);
1225 	if (ret) {
1226 		ath11k_dbg(ab, ATH11K_DBG_BOOT,
1227 			   "failed to create board name for regdb: %d", ret);
1228 		goto exit;
1229 	}
1230 
1231 	ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname,
1232 						 ATH11K_BD_IE_REGDB,
1233 						 ATH11K_BD_IE_REGDB_NAME,
1234 						 ATH11K_BD_IE_REGDB_DATA);
1235 	if (!ret)
1236 		goto exit;
1237 
1238 	ret = ath11k_core_fetch_board_data_api_1(ab, bd, ATH11K_REGDB_FILE_NAME);
1239 	if (ret)
1240 		ath11k_dbg(ab, ATH11K_DBG_BOOT, "failed to fetch %s from %s\n",
1241 			   ATH11K_REGDB_FILE_NAME, ab->hw_params.fw.dir);
1242 
1243 exit:
1244 	if (!ret)
1245 		ath11k_dbg(ab, ATH11K_DBG_BOOT, "fetched regdb\n");
1246 
1247 	return ret;
1248 }
1249 
ath11k_core_stop(struct ath11k_base * ab)1250 static void ath11k_core_stop(struct ath11k_base *ab)
1251 {
1252 	if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
1253 		ath11k_qmi_firmware_stop(ab);
1254 
1255 	ath11k_hif_stop(ab);
1256 	ath11k_wmi_detach(ab);
1257 	ath11k_dp_pdev_reo_cleanup(ab);
1258 
1259 	/* De-Init of components as needed */
1260 }
1261 
ath11k_core_soc_create(struct ath11k_base * ab)1262 static int ath11k_core_soc_create(struct ath11k_base *ab)
1263 {
1264 	int ret;
1265 
1266 	ret = ath11k_qmi_init_service(ab);
1267 	if (ret) {
1268 		ath11k_err(ab, "failed to initialize qmi :%d\n", ret);
1269 		return ret;
1270 	}
1271 
1272 	ret = ath11k_debugfs_soc_create(ab);
1273 	if (ret) {
1274 		ath11k_err(ab, "failed to create ath11k debugfs\n");
1275 		goto err_qmi_deinit;
1276 	}
1277 
1278 	ret = ath11k_hif_power_up(ab);
1279 	if (ret) {
1280 		ath11k_err(ab, "failed to power up :%d\n", ret);
1281 		goto err_debugfs_reg;
1282 	}
1283 
1284 	return 0;
1285 
1286 err_debugfs_reg:
1287 	ath11k_debugfs_soc_destroy(ab);
1288 err_qmi_deinit:
1289 	ath11k_qmi_deinit_service(ab);
1290 	return ret;
1291 }
1292 
ath11k_core_soc_destroy(struct ath11k_base * ab)1293 static void ath11k_core_soc_destroy(struct ath11k_base *ab)
1294 {
1295 	ath11k_debugfs_soc_destroy(ab);
1296 	ath11k_dp_free(ab);
1297 	ath11k_reg_free(ab);
1298 	ath11k_qmi_deinit_service(ab);
1299 }
1300 
ath11k_core_pdev_create(struct ath11k_base * ab)1301 static int ath11k_core_pdev_create(struct ath11k_base *ab)
1302 {
1303 	int ret;
1304 
1305 	ret = ath11k_debugfs_pdev_create(ab);
1306 	if (ret) {
1307 		ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret);
1308 		return ret;
1309 	}
1310 
1311 	ret = ath11k_dp_pdev_alloc(ab);
1312 	if (ret) {
1313 		ath11k_err(ab, "failed to attach DP pdev: %d\n", ret);
1314 		goto err_pdev_debug;
1315 	}
1316 
1317 	ret = ath11k_mac_register(ab);
1318 	if (ret) {
1319 		ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret);
1320 		goto err_dp_pdev_free;
1321 	}
1322 
1323 	ret = ath11k_thermal_register(ab);
1324 	if (ret) {
1325 		ath11k_err(ab, "could not register thermal device: %d\n",
1326 			   ret);
1327 		goto err_mac_unregister;
1328 	}
1329 
1330 	ret = ath11k_spectral_init(ab);
1331 	if (ret) {
1332 		ath11k_err(ab, "failed to init spectral %d\n", ret);
1333 		goto err_thermal_unregister;
1334 	}
1335 
1336 	return 0;
1337 
1338 err_thermal_unregister:
1339 	ath11k_thermal_unregister(ab);
1340 err_mac_unregister:
1341 	ath11k_mac_unregister(ab);
1342 err_dp_pdev_free:
1343 	ath11k_dp_pdev_free(ab);
1344 err_pdev_debug:
1345 	ath11k_debugfs_pdev_destroy(ab);
1346 
1347 	return ret;
1348 }
1349 
ath11k_core_pdev_destroy(struct ath11k_base * ab)1350 static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
1351 {
1352 	ath11k_spectral_deinit(ab);
1353 	ath11k_thermal_unregister(ab);
1354 	ath11k_mac_unregister(ab);
1355 	ath11k_hif_irq_disable(ab);
1356 	ath11k_dp_pdev_free(ab);
1357 	ath11k_debugfs_pdev_destroy(ab);
1358 }
1359 
ath11k_core_start(struct ath11k_base * ab)1360 static int ath11k_core_start(struct ath11k_base *ab)
1361 {
1362 	int ret;
1363 
1364 	ret = ath11k_wmi_attach(ab);
1365 	if (ret) {
1366 		ath11k_err(ab, "failed to attach wmi: %d\n", ret);
1367 		return ret;
1368 	}
1369 
1370 	ret = ath11k_htc_init(ab);
1371 	if (ret) {
1372 		ath11k_err(ab, "failed to init htc: %d\n", ret);
1373 		goto err_wmi_detach;
1374 	}
1375 
1376 	ret = ath11k_hif_start(ab);
1377 	if (ret) {
1378 		ath11k_err(ab, "failed to start HIF: %d\n", ret);
1379 		goto err_wmi_detach;
1380 	}
1381 
1382 	ret = ath11k_htc_wait_target(&ab->htc);
1383 	if (ret) {
1384 		ath11k_err(ab, "failed to connect to HTC: %d\n", ret);
1385 		goto err_hif_stop;
1386 	}
1387 
1388 	ret = ath11k_dp_htt_connect(&ab->dp);
1389 	if (ret) {
1390 		ath11k_err(ab, "failed to connect to HTT: %d\n", ret);
1391 		goto err_hif_stop;
1392 	}
1393 
1394 	ret = ath11k_wmi_connect(ab);
1395 	if (ret) {
1396 		ath11k_err(ab, "failed to connect wmi: %d\n", ret);
1397 		goto err_hif_stop;
1398 	}
1399 
1400 	ret = ath11k_htc_start(&ab->htc);
1401 	if (ret) {
1402 		ath11k_err(ab, "failed to start HTC: %d\n", ret);
1403 		goto err_hif_stop;
1404 	}
1405 
1406 	ret = ath11k_wmi_wait_for_service_ready(ab);
1407 	if (ret) {
1408 		ath11k_err(ab, "failed to receive wmi service ready event: %d\n",
1409 			   ret);
1410 		goto err_hif_stop;
1411 	}
1412 
1413 	ret = ath11k_mac_allocate(ab);
1414 	if (ret) {
1415 		ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n",
1416 			   ret);
1417 		goto err_hif_stop;
1418 	}
1419 
1420 	ath11k_dp_pdev_pre_alloc(ab);
1421 
1422 	ret = ath11k_dp_pdev_reo_setup(ab);
1423 	if (ret) {
1424 		ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret);
1425 		goto err_mac_destroy;
1426 	}
1427 
1428 	ret = ath11k_wmi_cmd_init(ab);
1429 	if (ret) {
1430 		ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret);
1431 		goto err_reo_cleanup;
1432 	}
1433 
1434 	ret = ath11k_wmi_wait_for_unified_ready(ab);
1435 	if (ret) {
1436 		ath11k_err(ab, "failed to receive wmi unified ready event: %d\n",
1437 			   ret);
1438 		goto err_reo_cleanup;
1439 	}
1440 
1441 	/* put hardware to DBS mode */
1442 	if (ab->hw_params.single_pdev_only && ab->hw_params.num_rxmda_per_pdev > 1) {
1443 		ret = ath11k_wmi_set_hw_mode(ab, WMI_HOST_HW_MODE_DBS);
1444 		if (ret) {
1445 			ath11k_err(ab, "failed to send dbs mode: %d\n", ret);
1446 			goto err_hif_stop;
1447 		}
1448 	}
1449 
1450 	ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab);
1451 	if (ret) {
1452 		ath11k_err(ab, "failed to send htt version request message: %d\n",
1453 			   ret);
1454 		goto err_reo_cleanup;
1455 	}
1456 
1457 	return 0;
1458 
1459 err_reo_cleanup:
1460 	ath11k_dp_pdev_reo_cleanup(ab);
1461 err_mac_destroy:
1462 	ath11k_mac_destroy(ab);
1463 err_hif_stop:
1464 	ath11k_hif_stop(ab);
1465 err_wmi_detach:
1466 	ath11k_wmi_detach(ab);
1467 
1468 	return ret;
1469 }
1470 
ath11k_core_start_firmware(struct ath11k_base * ab,enum ath11k_firmware_mode mode)1471 static int ath11k_core_start_firmware(struct ath11k_base *ab,
1472 				      enum ath11k_firmware_mode mode)
1473 {
1474 	int ret;
1475 
1476 	ath11k_ce_get_shadow_config(ab, &ab->qmi.ce_cfg.shadow_reg_v2,
1477 				    &ab->qmi.ce_cfg.shadow_reg_v2_len);
1478 
1479 	ret = ath11k_qmi_firmware_start(ab, mode);
1480 	if (ret) {
1481 		ath11k_err(ab, "failed to send firmware start: %d\n", ret);
1482 		return ret;
1483 	}
1484 
1485 	return ret;
1486 }
1487 
ath11k_core_qmi_firmware_ready(struct ath11k_base * ab)1488 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
1489 {
1490 	int ret;
1491 
1492 	ret = ath11k_core_start_firmware(ab, ATH11K_FIRMWARE_MODE_NORMAL);
1493 	if (ret) {
1494 		ath11k_err(ab, "failed to start firmware: %d\n", ret);
1495 		return ret;
1496 	}
1497 
1498 	ret = ath11k_ce_init_pipes(ab);
1499 	if (ret) {
1500 		ath11k_err(ab, "failed to initialize CE: %d\n", ret);
1501 		goto err_firmware_stop;
1502 	}
1503 
1504 	ret = ath11k_dp_alloc(ab);
1505 	if (ret) {
1506 		ath11k_err(ab, "failed to init DP: %d\n", ret);
1507 		goto err_firmware_stop;
1508 	}
1509 
1510 	switch (ath11k_crypto_mode) {
1511 	case ATH11K_CRYPT_MODE_SW:
1512 		set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
1513 		set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
1514 		break;
1515 	case ATH11K_CRYPT_MODE_HW:
1516 		clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
1517 		clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
1518 		break;
1519 	default:
1520 		ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode);
1521 		return -EINVAL;
1522 	}
1523 
1524 	if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW)
1525 		set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
1526 
1527 	mutex_lock(&ab->core_lock);
1528 	ret = ath11k_core_start(ab);
1529 	if (ret) {
1530 		ath11k_err(ab, "failed to start core: %d\n", ret);
1531 		goto err_dp_free;
1532 	}
1533 
1534 	ret = ath11k_core_pdev_create(ab);
1535 	if (ret) {
1536 		ath11k_err(ab, "failed to create pdev core: %d\n", ret);
1537 		goto err_core_stop;
1538 	}
1539 	ath11k_hif_irq_enable(ab);
1540 	mutex_unlock(&ab->core_lock);
1541 
1542 	return 0;
1543 
1544 err_core_stop:
1545 	ath11k_core_stop(ab);
1546 	ath11k_mac_destroy(ab);
1547 err_dp_free:
1548 	ath11k_dp_free(ab);
1549 	mutex_unlock(&ab->core_lock);
1550 err_firmware_stop:
1551 	ath11k_qmi_firmware_stop(ab);
1552 
1553 	return ret;
1554 }
1555 
ath11k_core_reconfigure_on_crash(struct ath11k_base * ab)1556 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
1557 {
1558 	int ret;
1559 
1560 	mutex_lock(&ab->core_lock);
1561 	ath11k_thermal_unregister(ab);
1562 	ath11k_hif_irq_disable(ab);
1563 	ath11k_dp_pdev_free(ab);
1564 	ath11k_spectral_deinit(ab);
1565 	ath11k_hif_stop(ab);
1566 	ath11k_wmi_detach(ab);
1567 	ath11k_dp_pdev_reo_cleanup(ab);
1568 	mutex_unlock(&ab->core_lock);
1569 
1570 	ath11k_dp_free(ab);
1571 	ath11k_hal_srng_deinit(ab);
1572 
1573 	ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS(ab))) - 1;
1574 
1575 	ret = ath11k_hal_srng_init(ab);
1576 	if (ret)
1577 		return ret;
1578 
1579 	clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
1580 
1581 	ret = ath11k_core_qmi_firmware_ready(ab);
1582 	if (ret)
1583 		goto err_hal_srng_deinit;
1584 
1585 	clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
1586 
1587 	return 0;
1588 
1589 err_hal_srng_deinit:
1590 	ath11k_hal_srng_deinit(ab);
1591 	return ret;
1592 }
1593 
ath11k_core_halt(struct ath11k * ar)1594 void ath11k_core_halt(struct ath11k *ar)
1595 {
1596 	struct ath11k_base *ab = ar->ab;
1597 
1598 	lockdep_assert_held(&ar->conf_mutex);
1599 
1600 	ar->num_created_vdevs = 0;
1601 	ar->allocated_vdev_map = 0;
1602 
1603 	ath11k_mac_scan_finish(ar);
1604 	ath11k_mac_peer_cleanup_all(ar);
1605 	cancel_delayed_work_sync(&ar->scan.timeout);
1606 	cancel_work_sync(&ar->regd_update_work);
1607 	cancel_work_sync(&ab->update_11d_work);
1608 
1609 	rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL);
1610 	synchronize_rcu();
1611 	INIT_LIST_HEAD(&ar->arvifs);
1612 	idr_init(&ar->txmgmt_idr);
1613 }
1614 
ath11k_update_11d(struct work_struct * work)1615 static void ath11k_update_11d(struct work_struct *work)
1616 {
1617 	struct ath11k_base *ab = container_of(work, struct ath11k_base, update_11d_work);
1618 	struct ath11k *ar;
1619 	struct ath11k_pdev *pdev;
1620 	struct wmi_set_current_country_params set_current_param = {};
1621 	int ret, i;
1622 
1623 	spin_lock_bh(&ab->base_lock);
1624 	memcpy(&set_current_param.alpha2, &ab->new_alpha2, 2);
1625 	spin_unlock_bh(&ab->base_lock);
1626 
1627 	ath11k_dbg(ab, ATH11K_DBG_WMI, "update 11d new cc %c%c\n",
1628 		   set_current_param.alpha2[0],
1629 		   set_current_param.alpha2[1]);
1630 
1631 	for (i = 0; i < ab->num_radios; i++) {
1632 		pdev = &ab->pdevs[i];
1633 		ar = pdev->ar;
1634 
1635 		memcpy(&ar->alpha2, &set_current_param.alpha2, 2);
1636 		ret = ath11k_wmi_send_set_current_country_cmd(ar, &set_current_param);
1637 		if (ret)
1638 			ath11k_warn(ar->ab,
1639 				    "pdev id %d failed set current country code: %d\n",
1640 				    i, ret);
1641 	}
1642 }
1643 
ath11k_core_pre_reconfigure_recovery(struct ath11k_base * ab)1644 static void ath11k_core_pre_reconfigure_recovery(struct ath11k_base *ab)
1645 {
1646 	struct ath11k *ar;
1647 	struct ath11k_pdev *pdev;
1648 	int i;
1649 
1650 	spin_lock_bh(&ab->base_lock);
1651 	ab->stats.fw_crash_counter++;
1652 	spin_unlock_bh(&ab->base_lock);
1653 
1654 	for (i = 0; i < ab->num_radios; i++) {
1655 		pdev = &ab->pdevs[i];
1656 		ar = pdev->ar;
1657 		if (!ar || ar->state == ATH11K_STATE_OFF)
1658 			continue;
1659 
1660 		ieee80211_stop_queues(ar->hw);
1661 		ath11k_mac_drain_tx(ar);
1662 		ar->state_11d = ATH11K_11D_IDLE;
1663 		complete(&ar->completed_11d_scan);
1664 		complete(&ar->scan.started);
1665 		complete_all(&ar->scan.completed);
1666 		complete(&ar->scan.on_channel);
1667 		complete(&ar->peer_assoc_done);
1668 		complete(&ar->peer_delete_done);
1669 		complete(&ar->install_key_done);
1670 		complete(&ar->vdev_setup_done);
1671 		complete(&ar->vdev_delete_done);
1672 		complete(&ar->bss_survey_done);
1673 		complete(&ar->thermal.wmi_sync);
1674 
1675 		wake_up(&ar->dp.tx_empty_waitq);
1676 		idr_for_each(&ar->txmgmt_idr,
1677 			     ath11k_mac_tx_mgmt_pending_free, ar);
1678 		idr_destroy(&ar->txmgmt_idr);
1679 		wake_up(&ar->txmgmt_empty_waitq);
1680 	}
1681 
1682 	wake_up(&ab->wmi_ab.tx_credits_wq);
1683 	wake_up(&ab->peer_mapping_wq);
1684 
1685 	reinit_completion(&ab->driver_recovery);
1686 }
1687 
ath11k_core_post_reconfigure_recovery(struct ath11k_base * ab)1688 static void ath11k_core_post_reconfigure_recovery(struct ath11k_base *ab)
1689 {
1690 	struct ath11k *ar;
1691 	struct ath11k_pdev *pdev;
1692 	int i;
1693 
1694 	for (i = 0; i < ab->num_radios; i++) {
1695 		pdev = &ab->pdevs[i];
1696 		ar = pdev->ar;
1697 		if (!ar || ar->state == ATH11K_STATE_OFF)
1698 			continue;
1699 
1700 		mutex_lock(&ar->conf_mutex);
1701 
1702 		switch (ar->state) {
1703 		case ATH11K_STATE_ON:
1704 			ar->state = ATH11K_STATE_RESTARTING;
1705 			ath11k_core_halt(ar);
1706 			ieee80211_restart_hw(ar->hw);
1707 			break;
1708 		case ATH11K_STATE_OFF:
1709 			ath11k_warn(ab,
1710 				    "cannot restart radio %d that hasn't been started\n",
1711 				    i);
1712 			break;
1713 		case ATH11K_STATE_RESTARTING:
1714 			break;
1715 		case ATH11K_STATE_RESTARTED:
1716 			ar->state = ATH11K_STATE_WEDGED;
1717 			fallthrough;
1718 		case ATH11K_STATE_WEDGED:
1719 			ath11k_warn(ab,
1720 				    "device is wedged, will not restart radio %d\n", i);
1721 			break;
1722 		}
1723 		mutex_unlock(&ar->conf_mutex);
1724 	}
1725 	complete(&ab->driver_recovery);
1726 }
1727 
ath11k_core_restart(struct work_struct * work)1728 static void ath11k_core_restart(struct work_struct *work)
1729 {
1730 	struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work);
1731 	int ret;
1732 
1733 	if (!ab->is_reset)
1734 		ath11k_core_pre_reconfigure_recovery(ab);
1735 
1736 	ret = ath11k_core_reconfigure_on_crash(ab);
1737 	if (ret) {
1738 		ath11k_err(ab, "failed to reconfigure driver on crash recovery\n");
1739 		return;
1740 	}
1741 
1742 	if (ab->is_reset)
1743 		complete_all(&ab->reconfigure_complete);
1744 
1745 	if (!ab->is_reset)
1746 		ath11k_core_post_reconfigure_recovery(ab);
1747 }
1748 
ath11k_core_reset(struct work_struct * work)1749 static void ath11k_core_reset(struct work_struct *work)
1750 {
1751 	struct ath11k_base *ab = container_of(work, struct ath11k_base, reset_work);
1752 	int reset_count, fail_cont_count;
1753 	long time_left;
1754 
1755 	if (!(test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))) {
1756 		ath11k_warn(ab, "ignore reset dev flags 0x%lx\n", ab->dev_flags);
1757 		return;
1758 	}
1759 
1760 	/* Sometimes the recovery will fail and then the next all recovery fail,
1761 	 * this is to avoid infinite recovery since it can not recovery success.
1762 	 */
1763 	fail_cont_count = atomic_read(&ab->fail_cont_count);
1764 
1765 	if (fail_cont_count >= ATH11K_RESET_MAX_FAIL_COUNT_FINAL)
1766 		return;
1767 
1768 	if (fail_cont_count >= ATH11K_RESET_MAX_FAIL_COUNT_FIRST &&
1769 	    time_before(jiffies, ab->reset_fail_timeout))
1770 		return;
1771 
1772 	reset_count = atomic_inc_return(&ab->reset_count);
1773 
1774 	if (reset_count > 1) {
1775 		/* Sometimes it happened another reset worker before the previous one
1776 		 * completed, then the second reset worker will destroy the previous one,
1777 		 * thus below is to avoid that.
1778 		 */
1779 		ath11k_warn(ab, "already resetting count %d\n", reset_count);
1780 
1781 		reinit_completion(&ab->reset_complete);
1782 		time_left = wait_for_completion_timeout(&ab->reset_complete,
1783 							ATH11K_RESET_TIMEOUT_HZ);
1784 
1785 		if (time_left) {
1786 			ath11k_dbg(ab, ATH11K_DBG_BOOT, "to skip reset\n");
1787 			atomic_dec(&ab->reset_count);
1788 			return;
1789 		}
1790 
1791 		ab->reset_fail_timeout = jiffies + ATH11K_RESET_FAIL_TIMEOUT_HZ;
1792 		/* Record the continuous recovery fail count when recovery failed*/
1793 		atomic_inc(&ab->fail_cont_count);
1794 	}
1795 
1796 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset starting\n");
1797 
1798 	ab->is_reset = true;
1799 	atomic_set(&ab->recovery_count, 0);
1800 	reinit_completion(&ab->recovery_start);
1801 	atomic_set(&ab->recovery_start_count, 0);
1802 
1803 	ath11k_core_pre_reconfigure_recovery(ab);
1804 
1805 	reinit_completion(&ab->reconfigure_complete);
1806 	ath11k_core_post_reconfigure_recovery(ab);
1807 
1808 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "waiting recovery start...\n");
1809 
1810 	time_left = wait_for_completion_timeout(&ab->recovery_start,
1811 						ATH11K_RECOVER_START_TIMEOUT_HZ);
1812 
1813 	ath11k_hif_power_down(ab);
1814 	ath11k_hif_power_up(ab);
1815 
1816 	ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset started\n");
1817 }
1818 
ath11k_init_hw_params(struct ath11k_base * ab)1819 static int ath11k_init_hw_params(struct ath11k_base *ab)
1820 {
1821 	const struct ath11k_hw_params *hw_params = NULL;
1822 	int i;
1823 
1824 	for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) {
1825 		hw_params = &ath11k_hw_params[i];
1826 
1827 		if (hw_params->hw_rev == ab->hw_rev)
1828 			break;
1829 	}
1830 
1831 	if (i == ARRAY_SIZE(ath11k_hw_params)) {
1832 		ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev);
1833 		return -EINVAL;
1834 	}
1835 
1836 	ab->hw_params = *hw_params;
1837 
1838 	ath11k_info(ab, "%s\n", ab->hw_params.name);
1839 
1840 	return 0;
1841 }
1842 
ath11k_core_pre_init(struct ath11k_base * ab)1843 int ath11k_core_pre_init(struct ath11k_base *ab)
1844 {
1845 	int ret;
1846 
1847 	ret = ath11k_init_hw_params(ab);
1848 	if (ret) {
1849 		ath11k_err(ab, "failed to get hw params: %d\n", ret);
1850 		return ret;
1851 	}
1852 
1853 	return 0;
1854 }
1855 EXPORT_SYMBOL(ath11k_core_pre_init);
1856 
ath11k_core_init(struct ath11k_base * ab)1857 int ath11k_core_init(struct ath11k_base *ab)
1858 {
1859 	int ret;
1860 
1861 	ret = ath11k_core_soc_create(ab);
1862 	if (ret) {
1863 		ath11k_err(ab, "failed to create soc core: %d\n", ret);
1864 		return ret;
1865 	}
1866 
1867 	return 0;
1868 }
1869 EXPORT_SYMBOL(ath11k_core_init);
1870 
ath11k_core_deinit(struct ath11k_base * ab)1871 void ath11k_core_deinit(struct ath11k_base *ab)
1872 {
1873 	mutex_lock(&ab->core_lock);
1874 
1875 	ath11k_core_pdev_destroy(ab);
1876 	ath11k_core_stop(ab);
1877 
1878 	mutex_unlock(&ab->core_lock);
1879 
1880 	ath11k_hif_power_down(ab);
1881 	ath11k_mac_destroy(ab);
1882 	ath11k_core_soc_destroy(ab);
1883 }
1884 EXPORT_SYMBOL(ath11k_core_deinit);
1885 
ath11k_core_free(struct ath11k_base * ab)1886 void ath11k_core_free(struct ath11k_base *ab)
1887 {
1888 	destroy_workqueue(ab->workqueue_aux);
1889 	destroy_workqueue(ab->workqueue);
1890 
1891 	kfree(ab);
1892 }
1893 EXPORT_SYMBOL(ath11k_core_free);
1894 
ath11k_core_alloc(struct device * dev,size_t priv_size,enum ath11k_bus bus)1895 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
1896 				      enum ath11k_bus bus)
1897 {
1898 	struct ath11k_base *ab;
1899 
1900 	ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
1901 	if (!ab)
1902 		return NULL;
1903 
1904 	init_completion(&ab->driver_recovery);
1905 
1906 	ab->workqueue = create_singlethread_workqueue("ath11k_wq");
1907 	if (!ab->workqueue)
1908 		goto err_sc_free;
1909 
1910 	ab->workqueue_aux = create_singlethread_workqueue("ath11k_aux_wq");
1911 	if (!ab->workqueue_aux)
1912 		goto err_free_wq;
1913 
1914 	mutex_init(&ab->core_lock);
1915 	mutex_init(&ab->tbl_mtx_lock);
1916 	spin_lock_init(&ab->base_lock);
1917 	mutex_init(&ab->vdev_id_11d_lock);
1918 	init_completion(&ab->reset_complete);
1919 	init_completion(&ab->reconfigure_complete);
1920 	init_completion(&ab->recovery_start);
1921 
1922 	INIT_LIST_HEAD(&ab->peers);
1923 	init_waitqueue_head(&ab->peer_mapping_wq);
1924 	init_waitqueue_head(&ab->wmi_ab.tx_credits_wq);
1925 	init_waitqueue_head(&ab->qmi.cold_boot_waitq);
1926 	INIT_WORK(&ab->restart_work, ath11k_core_restart);
1927 	INIT_WORK(&ab->update_11d_work, ath11k_update_11d);
1928 	INIT_WORK(&ab->reset_work, ath11k_core_reset);
1929 	timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
1930 	init_completion(&ab->htc_suspend);
1931 	init_completion(&ab->wow.wakeup_completed);
1932 
1933 	ab->dev = dev;
1934 	ab->hif.bus = bus;
1935 
1936 	return ab;
1937 
1938 err_free_wq:
1939 	destroy_workqueue(ab->workqueue);
1940 err_sc_free:
1941 	kfree(ab);
1942 	return NULL;
1943 }
1944 EXPORT_SYMBOL(ath11k_core_alloc);
1945 
1946 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards.");
1947 MODULE_LICENSE("Dual BSD/GPL");
1948