xref: /linux/drivers/net/wireless/ath/ath10k/core.c (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2005-2011 Atheros Communications Inc.
4  * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
5  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
6  * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
7  */
8 
9 #include <linux/module.h>
10 #include <linux/firmware.h>
11 #include <linux/of.h>
12 #include <linux/property.h>
13 #include <linux/dmi.h>
14 #include <linux/ctype.h>
15 #include <linux/pm_qos.h>
16 #include <linux/nvmem-consumer.h>
17 #include <asm/byteorder.h>
18 
19 #include "core.h"
20 #include "mac.h"
21 #include "htc.h"
22 #include "hif.h"
23 #include "wmi.h"
24 #include "bmi.h"
25 #include "debug.h"
26 #include "htt.h"
27 #include "testmode.h"
28 #include "wmi-ops.h"
29 #include "coredump.h"
30 #include "leds.h"
31 
32 unsigned int ath10k_debug_mask;
33 EXPORT_SYMBOL(ath10k_debug_mask);
34 
35 static unsigned int ath10k_cryptmode_param;
36 static bool uart_print;
37 static bool skip_otp;
38 static bool fw_diag_log;
39 
40 /* frame mode values are mapped as per enum ath10k_hw_txrx_mode */
41 unsigned int ath10k_frame_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
42 
43 unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
44 				     BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
45 
46 /* FIXME: most of these should be readonly */
47 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
48 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
49 module_param(uart_print, bool, 0644);
50 module_param(skip_otp, bool, 0644);
51 module_param(fw_diag_log, bool, 0644);
52 module_param_named(frame_mode, ath10k_frame_mode, uint, 0644);
53 module_param_named(coredump_mask, ath10k_coredump_mask, ulong, 0444);
54 
55 MODULE_PARM_DESC(debug_mask, "Debugging mask");
56 MODULE_PARM_DESC(uart_print, "Uart target debugging");
57 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
58 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
59 MODULE_PARM_DESC(frame_mode,
60 		 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
61 MODULE_PARM_DESC(coredump_mask, "Bitfield of what to include in firmware crash file");
62 MODULE_PARM_DESC(fw_diag_log, "Diag based fw log debugging");
63 
64 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
65 	{
66 		.id = QCA988X_HW_2_0_VERSION,
67 		.dev_id = QCA988X_2_0_DEVICE_ID,
68 		.bus = ATH10K_BUS_PCI,
69 		.name = "qca988x hw2.0",
70 		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
71 		.uart_pin = 7,
72 		.led_pin = 1,
73 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
74 		.otp_exe_param = 0,
75 		.channel_counters_freq_hz = 88000,
76 		.max_probe_resp_desc_thres = 0,
77 		.cal_data_len = 2116,
78 		.fw = {
79 			.dir = QCA988X_HW_2_0_FW_DIR,
80 			.board_size = QCA988X_BOARD_DATA_SZ,
81 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
82 		},
83 		.rx_desc_ops = &qca988x_rx_desc_ops,
84 		.hw_ops = &qca988x_ops,
85 		.decap_align_bytes = 4,
86 		.spectral_bin_discard = 0,
87 		.spectral_bin_offset = 0,
88 		.vht160_mcs_rx_highest = 0,
89 		.vht160_mcs_tx_highest = 0,
90 		.n_cipher_suites = 8,
91 		.ast_skid_limit = 0x10,
92 		.num_wds_entries = 0x20,
93 		.target_64bit = false,
94 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
95 		.shadow_reg_support = false,
96 		.rri_on_ddr = false,
97 		.hw_filter_reset_required = true,
98 		.fw_diag_ce_download = false,
99 		.credit_size_workaround = false,
100 		.tx_stats_over_pktlog = true,
101 		.dynamic_sar_support = false,
102 		.hw_restart_disconnect = false,
103 		.use_fw_tx_credits = true,
104 		.delay_unmap_buffer = false,
105 		.mcast_frame_registration = false,
106 	},
107 	{
108 		.id = QCA988X_HW_2_0_VERSION,
109 		.dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
110 		.name = "qca988x hw2.0 ubiquiti",
111 		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
112 		.uart_pin = 7,
113 		.led_pin = 0,
114 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
115 		.otp_exe_param = 0,
116 		.channel_counters_freq_hz = 88000,
117 		.max_probe_resp_desc_thres = 0,
118 		.cal_data_len = 2116,
119 		.fw = {
120 			.dir = QCA988X_HW_2_0_FW_DIR,
121 			.board_size = QCA988X_BOARD_DATA_SZ,
122 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
123 		},
124 		.rx_desc_ops = &qca988x_rx_desc_ops,
125 		.hw_ops = &qca988x_ops,
126 		.decap_align_bytes = 4,
127 		.spectral_bin_discard = 0,
128 		.spectral_bin_offset = 0,
129 		.vht160_mcs_rx_highest = 0,
130 		.vht160_mcs_tx_highest = 0,
131 		.n_cipher_suites = 8,
132 		.ast_skid_limit = 0x10,
133 		.num_wds_entries = 0x20,
134 		.target_64bit = false,
135 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
136 		.shadow_reg_support = false,
137 		.rri_on_ddr = false,
138 		.hw_filter_reset_required = true,
139 		.fw_diag_ce_download = false,
140 		.credit_size_workaround = false,
141 		.tx_stats_over_pktlog = true,
142 		.dynamic_sar_support = false,
143 		.hw_restart_disconnect = false,
144 		.use_fw_tx_credits = true,
145 		.delay_unmap_buffer = false,
146 		.mcast_frame_registration = false,
147 	},
148 	{
149 		.id = QCA9887_HW_1_0_VERSION,
150 		.dev_id = QCA9887_1_0_DEVICE_ID,
151 		.bus = ATH10K_BUS_PCI,
152 		.name = "qca9887 hw1.0",
153 		.patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
154 		.uart_pin = 7,
155 		.led_pin = 1,
156 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
157 		.otp_exe_param = 0,
158 		.channel_counters_freq_hz = 88000,
159 		.max_probe_resp_desc_thres = 0,
160 		.cal_data_len = 2116,
161 		.fw = {
162 			.dir = QCA9887_HW_1_0_FW_DIR,
163 			.board_size = QCA9887_BOARD_DATA_SZ,
164 			.board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
165 		},
166 		.rx_desc_ops = &qca988x_rx_desc_ops,
167 		.hw_ops = &qca988x_ops,
168 		.decap_align_bytes = 4,
169 		.spectral_bin_discard = 0,
170 		.spectral_bin_offset = 0,
171 		.vht160_mcs_rx_highest = 0,
172 		.vht160_mcs_tx_highest = 0,
173 		.n_cipher_suites = 8,
174 		.ast_skid_limit = 0x10,
175 		.num_wds_entries = 0x20,
176 		.target_64bit = false,
177 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
178 		.shadow_reg_support = false,
179 		.rri_on_ddr = false,
180 		.hw_filter_reset_required = true,
181 		.fw_diag_ce_download = false,
182 		.credit_size_workaround = false,
183 		.tx_stats_over_pktlog = false,
184 		.dynamic_sar_support = false,
185 		.hw_restart_disconnect = false,
186 		.use_fw_tx_credits = true,
187 		.delay_unmap_buffer = false,
188 		.mcast_frame_registration = false,
189 	},
190 	{
191 		.id = QCA6174_HW_3_2_VERSION,
192 		.dev_id = QCA6174_3_2_DEVICE_ID,
193 		.bus = ATH10K_BUS_SDIO,
194 		.name = "qca6174 hw3.2 sdio",
195 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
196 		.uart_pin = 19,
197 		.led_pin = 0,
198 		.otp_exe_param = 0,
199 		.channel_counters_freq_hz = 88000,
200 		.max_probe_resp_desc_thres = 0,
201 		.cal_data_len = 0,
202 		.fw = {
203 			.dir = QCA6174_HW_3_0_FW_DIR,
204 			.board_size = QCA6174_BOARD_DATA_SZ,
205 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
206 		},
207 		.rx_desc_ops = &qca988x_rx_desc_ops,
208 		.hw_ops = &qca6174_sdio_ops,
209 		.hw_clk = qca6174_clk,
210 		.target_cpu_freq = 176000000,
211 		.decap_align_bytes = 4,
212 		.n_cipher_suites = 8,
213 		.num_peers = 10,
214 		.ast_skid_limit = 0x10,
215 		.num_wds_entries = 0x20,
216 		.uart_pin_workaround = true,
217 		.tx_stats_over_pktlog = false,
218 		.credit_size_workaround = false,
219 		.bmi_large_size_download = true,
220 		.supports_peer_stats_info = true,
221 		.dynamic_sar_support = true,
222 		.hw_restart_disconnect = false,
223 		.use_fw_tx_credits = true,
224 		.delay_unmap_buffer = false,
225 		.mcast_frame_registration = false,
226 	},
227 	{
228 		.id = QCA6174_HW_2_1_VERSION,
229 		.dev_id = QCA6164_2_1_DEVICE_ID,
230 		.bus = ATH10K_BUS_PCI,
231 		.name = "qca6164 hw2.1",
232 		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
233 		.uart_pin = 6,
234 		.led_pin = 0,
235 		.otp_exe_param = 0,
236 		.channel_counters_freq_hz = 88000,
237 		.max_probe_resp_desc_thres = 0,
238 		.cal_data_len = 8124,
239 		.fw = {
240 			.dir = QCA6174_HW_2_1_FW_DIR,
241 			.board_size = QCA6174_BOARD_DATA_SZ,
242 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
243 		},
244 		.rx_desc_ops = &qca988x_rx_desc_ops,
245 		.hw_ops = &qca988x_ops,
246 		.decap_align_bytes = 4,
247 		.spectral_bin_discard = 0,
248 		.spectral_bin_offset = 0,
249 		.vht160_mcs_rx_highest = 0,
250 		.vht160_mcs_tx_highest = 0,
251 		.n_cipher_suites = 8,
252 		.ast_skid_limit = 0x10,
253 		.num_wds_entries = 0x20,
254 		.target_64bit = false,
255 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
256 		.shadow_reg_support = false,
257 		.rri_on_ddr = false,
258 		.hw_filter_reset_required = true,
259 		.fw_diag_ce_download = false,
260 		.credit_size_workaround = false,
261 		.tx_stats_over_pktlog = false,
262 		.dynamic_sar_support = false,
263 		.hw_restart_disconnect = false,
264 		.use_fw_tx_credits = true,
265 		.delay_unmap_buffer = false,
266 		.mcast_frame_registration = false,
267 	},
268 	{
269 		.id = QCA6174_HW_2_1_VERSION,
270 		.dev_id = QCA6174_2_1_DEVICE_ID,
271 		.bus = ATH10K_BUS_PCI,
272 		.name = "qca6174 hw2.1",
273 		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
274 		.uart_pin = 6,
275 		.led_pin = 0,
276 		.otp_exe_param = 0,
277 		.channel_counters_freq_hz = 88000,
278 		.max_probe_resp_desc_thres = 0,
279 		.cal_data_len = 8124,
280 		.fw = {
281 			.dir = QCA6174_HW_2_1_FW_DIR,
282 			.board_size = QCA6174_BOARD_DATA_SZ,
283 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
284 		},
285 		.rx_desc_ops = &qca988x_rx_desc_ops,
286 		.hw_ops = &qca988x_ops,
287 		.decap_align_bytes = 4,
288 		.spectral_bin_discard = 0,
289 		.spectral_bin_offset = 0,
290 		.vht160_mcs_rx_highest = 0,
291 		.vht160_mcs_tx_highest = 0,
292 		.n_cipher_suites = 8,
293 		.ast_skid_limit = 0x10,
294 		.num_wds_entries = 0x20,
295 		.target_64bit = false,
296 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
297 		.shadow_reg_support = false,
298 		.rri_on_ddr = false,
299 		.hw_filter_reset_required = true,
300 		.fw_diag_ce_download = false,
301 		.credit_size_workaround = false,
302 		.tx_stats_over_pktlog = false,
303 		.dynamic_sar_support = false,
304 		.hw_restart_disconnect = false,
305 		.use_fw_tx_credits = true,
306 		.delay_unmap_buffer = false,
307 		.mcast_frame_registration = false,
308 	},
309 	{
310 		.id = QCA6174_HW_3_0_VERSION,
311 		.dev_id = QCA6174_2_1_DEVICE_ID,
312 		.bus = ATH10K_BUS_PCI,
313 		.name = "qca6174 hw3.0",
314 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
315 		.uart_pin = 6,
316 		.led_pin = 0,
317 		.otp_exe_param = 0,
318 		.channel_counters_freq_hz = 88000,
319 		.max_probe_resp_desc_thres = 0,
320 		.cal_data_len = 8124,
321 		.fw = {
322 			.dir = QCA6174_HW_3_0_FW_DIR,
323 			.board_size = QCA6174_BOARD_DATA_SZ,
324 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
325 		},
326 		.rx_desc_ops = &qca988x_rx_desc_ops,
327 		.hw_ops = &qca988x_ops,
328 		.decap_align_bytes = 4,
329 		.spectral_bin_discard = 0,
330 		.spectral_bin_offset = 0,
331 		.vht160_mcs_rx_highest = 0,
332 		.vht160_mcs_tx_highest = 0,
333 		.n_cipher_suites = 8,
334 		.ast_skid_limit = 0x10,
335 		.num_wds_entries = 0x20,
336 		.target_64bit = false,
337 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
338 		.shadow_reg_support = false,
339 		.rri_on_ddr = false,
340 		.hw_filter_reset_required = true,
341 		.fw_diag_ce_download = false,
342 		.credit_size_workaround = false,
343 		.tx_stats_over_pktlog = false,
344 		.dynamic_sar_support = false,
345 		.hw_restart_disconnect = false,
346 		.use_fw_tx_credits = true,
347 		.delay_unmap_buffer = false,
348 		.mcast_frame_registration = false,
349 	},
350 	{
351 		.id = QCA6174_HW_3_2_VERSION,
352 		.dev_id = QCA6174_2_1_DEVICE_ID,
353 		.bus = ATH10K_BUS_PCI,
354 		.name = "qca6174 hw3.2",
355 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
356 		.uart_pin = 6,
357 		.led_pin = 0,
358 		.otp_exe_param = 0,
359 		.channel_counters_freq_hz = 88000,
360 		.max_probe_resp_desc_thres = 0,
361 		.cal_data_len = 8124,
362 		.fw = {
363 			/* uses same binaries as hw3.0 */
364 			.dir = QCA6174_HW_3_0_FW_DIR,
365 			.board_size = QCA6174_BOARD_DATA_SZ,
366 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
367 		},
368 		.rx_desc_ops = &qca988x_rx_desc_ops,
369 		.hw_ops = &qca6174_ops,
370 		.hw_clk = qca6174_clk,
371 		.target_cpu_freq = 176000000,
372 		.decap_align_bytes = 4,
373 		.spectral_bin_discard = 0,
374 		.spectral_bin_offset = 0,
375 		.vht160_mcs_rx_highest = 0,
376 		.vht160_mcs_tx_highest = 0,
377 		.n_cipher_suites = 8,
378 		.ast_skid_limit = 0x10,
379 		.num_wds_entries = 0x20,
380 		.target_64bit = false,
381 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
382 		.shadow_reg_support = false,
383 		.rri_on_ddr = false,
384 		.hw_filter_reset_required = true,
385 		.fw_diag_ce_download = true,
386 		.credit_size_workaround = false,
387 		.tx_stats_over_pktlog = false,
388 		.supports_peer_stats_info = true,
389 		.dynamic_sar_support = true,
390 		.hw_restart_disconnect = false,
391 		.use_fw_tx_credits = true,
392 		.delay_unmap_buffer = false,
393 		.mcast_frame_registration = true,
394 	},
395 	{
396 		.id = QCA99X0_HW_2_0_DEV_VERSION,
397 		.dev_id = QCA99X0_2_0_DEVICE_ID,
398 		.bus = ATH10K_BUS_PCI,
399 		.name = "qca99x0 hw2.0",
400 		.patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
401 		.uart_pin = 7,
402 		.led_pin = 17,
403 		.otp_exe_param = 0x00000700,
404 		.continuous_frag_desc = true,
405 		.cck_rate_map_rev2 = true,
406 		.channel_counters_freq_hz = 150000,
407 		.max_probe_resp_desc_thres = 24,
408 		.tx_chain_mask = 0xf,
409 		.rx_chain_mask = 0xf,
410 		.max_spatial_stream = 4,
411 		.cal_data_len = 12064,
412 		.fw = {
413 			.dir = QCA99X0_HW_2_0_FW_DIR,
414 			.board_size = QCA99X0_BOARD_DATA_SZ,
415 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
416 		},
417 		.sw_decrypt_mcast_mgmt = true,
418 		.rx_desc_ops = &qca99x0_rx_desc_ops,
419 		.hw_ops = &qca99x0_ops,
420 		.decap_align_bytes = 1,
421 		.spectral_bin_discard = 4,
422 		.spectral_bin_offset = 0,
423 		.vht160_mcs_rx_highest = 0,
424 		.vht160_mcs_tx_highest = 0,
425 		.n_cipher_suites = 11,
426 		.ast_skid_limit = 0x10,
427 		.num_wds_entries = 0x20,
428 		.target_64bit = false,
429 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
430 		.shadow_reg_support = false,
431 		.rri_on_ddr = false,
432 		.hw_filter_reset_required = true,
433 		.fw_diag_ce_download = false,
434 		.credit_size_workaround = false,
435 		.tx_stats_over_pktlog = false,
436 		.dynamic_sar_support = false,
437 		.hw_restart_disconnect = false,
438 		.use_fw_tx_credits = true,
439 		.delay_unmap_buffer = false,
440 		.mcast_frame_registration = false,
441 	},
442 	{
443 		.id = QCA9984_HW_1_0_DEV_VERSION,
444 		.dev_id = QCA9984_1_0_DEVICE_ID,
445 		.bus = ATH10K_BUS_PCI,
446 		.name = "qca9984/qca9994 hw1.0",
447 		.patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
448 		.uart_pin = 7,
449 		.led_pin = 17,
450 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
451 		.otp_exe_param = 0x00000700,
452 		.continuous_frag_desc = true,
453 		.cck_rate_map_rev2 = true,
454 		.channel_counters_freq_hz = 150000,
455 		.max_probe_resp_desc_thres = 24,
456 		.tx_chain_mask = 0xf,
457 		.rx_chain_mask = 0xf,
458 		.max_spatial_stream = 4,
459 		.cal_data_len = 12064,
460 		.fw = {
461 			.dir = QCA9984_HW_1_0_FW_DIR,
462 			.board_size = QCA99X0_BOARD_DATA_SZ,
463 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
464 			.ext_board_size = QCA99X0_EXT_BOARD_DATA_SZ,
465 		},
466 		.sw_decrypt_mcast_mgmt = true,
467 		.rx_desc_ops = &qca99x0_rx_desc_ops,
468 		.hw_ops = &qca99x0_ops,
469 		.decap_align_bytes = 1,
470 		.spectral_bin_discard = 12,
471 		.spectral_bin_offset = 8,
472 
473 		/* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
474 		 * or 2x2 160Mhz, long-guard-interval.
475 		 */
476 		.vht160_mcs_rx_highest = 1560,
477 		.vht160_mcs_tx_highest = 1560,
478 		.n_cipher_suites = 11,
479 		.ast_skid_limit = 0x10,
480 		.num_wds_entries = 0x20,
481 		.target_64bit = false,
482 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
483 		.shadow_reg_support = false,
484 		.rri_on_ddr = false,
485 		.hw_filter_reset_required = true,
486 		.fw_diag_ce_download = false,
487 		.credit_size_workaround = false,
488 		.tx_stats_over_pktlog = false,
489 		.dynamic_sar_support = false,
490 		.hw_restart_disconnect = false,
491 		.use_fw_tx_credits = true,
492 		.delay_unmap_buffer = false,
493 		.mcast_frame_registration = false,
494 	},
495 	{
496 		.id = QCA9888_HW_2_0_DEV_VERSION,
497 		.dev_id = QCA9888_2_0_DEVICE_ID,
498 		.bus = ATH10K_BUS_PCI,
499 		.name = "qca9888 hw2.0",
500 		.patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
501 		.uart_pin = 7,
502 		.led_pin = 17,
503 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
504 		.otp_exe_param = 0x00000700,
505 		.continuous_frag_desc = true,
506 		.channel_counters_freq_hz = 150000,
507 		.max_probe_resp_desc_thres = 24,
508 		.tx_chain_mask = 3,
509 		.rx_chain_mask = 3,
510 		.max_spatial_stream = 2,
511 		.cal_data_len = 12064,
512 		.fw = {
513 			.dir = QCA9888_HW_2_0_FW_DIR,
514 			.board_size = QCA99X0_BOARD_DATA_SZ,
515 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
516 		},
517 		.sw_decrypt_mcast_mgmt = true,
518 		.rx_desc_ops = &qca99x0_rx_desc_ops,
519 		.hw_ops = &qca99x0_ops,
520 		.decap_align_bytes = 1,
521 		.spectral_bin_discard = 12,
522 		.spectral_bin_offset = 8,
523 
524 		/* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
525 		 * 1x1 160Mhz, long-guard-interval.
526 		 */
527 		.vht160_mcs_rx_highest = 780,
528 		.vht160_mcs_tx_highest = 780,
529 		.n_cipher_suites = 11,
530 		.ast_skid_limit = 0x10,
531 		.num_wds_entries = 0x20,
532 		.target_64bit = false,
533 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
534 		.shadow_reg_support = false,
535 		.rri_on_ddr = false,
536 		.hw_filter_reset_required = true,
537 		.fw_diag_ce_download = false,
538 		.credit_size_workaround = false,
539 		.tx_stats_over_pktlog = false,
540 		.dynamic_sar_support = false,
541 		.hw_restart_disconnect = false,
542 		.use_fw_tx_credits = true,
543 		.delay_unmap_buffer = false,
544 		.mcast_frame_registration = false,
545 	},
546 	{
547 		.id = QCA9377_HW_1_0_DEV_VERSION,
548 		.dev_id = QCA9377_1_0_DEVICE_ID,
549 		.bus = ATH10K_BUS_PCI,
550 		.name = "qca9377 hw1.0",
551 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
552 		.uart_pin = 6,
553 		.led_pin = 0,
554 		.otp_exe_param = 0,
555 		.channel_counters_freq_hz = 88000,
556 		.max_probe_resp_desc_thres = 0,
557 		.cal_data_len = 8124,
558 		.fw = {
559 			.dir = QCA9377_HW_1_0_FW_DIR,
560 			.board_size = QCA9377_BOARD_DATA_SZ,
561 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
562 		},
563 		.rx_desc_ops = &qca988x_rx_desc_ops,
564 		.hw_ops = &qca988x_ops,
565 		.decap_align_bytes = 4,
566 		.spectral_bin_discard = 0,
567 		.spectral_bin_offset = 0,
568 		.vht160_mcs_rx_highest = 0,
569 		.vht160_mcs_tx_highest = 0,
570 		.n_cipher_suites = 8,
571 		.ast_skid_limit = 0x10,
572 		.num_wds_entries = 0x20,
573 		.target_64bit = false,
574 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
575 		.shadow_reg_support = false,
576 		.rri_on_ddr = false,
577 		.hw_filter_reset_required = true,
578 		.fw_diag_ce_download = false,
579 		.credit_size_workaround = false,
580 		.tx_stats_over_pktlog = false,
581 		.dynamic_sar_support = false,
582 		.hw_restart_disconnect = false,
583 		.use_fw_tx_credits = true,
584 		.delay_unmap_buffer = false,
585 		.mcast_frame_registration = false,
586 	},
587 	{
588 		.id = QCA9377_HW_1_1_DEV_VERSION,
589 		.dev_id = QCA9377_1_0_DEVICE_ID,
590 		.bus = ATH10K_BUS_PCI,
591 		.name = "qca9377 hw1.1",
592 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
593 		.uart_pin = 6,
594 		.led_pin = 0,
595 		.otp_exe_param = 0,
596 		.channel_counters_freq_hz = 88000,
597 		.max_probe_resp_desc_thres = 0,
598 		.cal_data_len = 8124,
599 		.fw = {
600 			.dir = QCA9377_HW_1_0_FW_DIR,
601 			.board_size = QCA9377_BOARD_DATA_SZ,
602 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
603 		},
604 		.rx_desc_ops = &qca988x_rx_desc_ops,
605 		.hw_ops = &qca6174_ops,
606 		.hw_clk = qca6174_clk,
607 		.target_cpu_freq = 176000000,
608 		.decap_align_bytes = 4,
609 		.spectral_bin_discard = 0,
610 		.spectral_bin_offset = 0,
611 		.vht160_mcs_rx_highest = 0,
612 		.vht160_mcs_tx_highest = 0,
613 		.n_cipher_suites = 8,
614 		.ast_skid_limit = 0x10,
615 		.num_wds_entries = 0x20,
616 		.target_64bit = false,
617 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
618 		.shadow_reg_support = false,
619 		.rri_on_ddr = false,
620 		.hw_filter_reset_required = true,
621 		.fw_diag_ce_download = true,
622 		.credit_size_workaround = false,
623 		.tx_stats_over_pktlog = false,
624 		.dynamic_sar_support = false,
625 		.hw_restart_disconnect = false,
626 		.use_fw_tx_credits = true,
627 		.delay_unmap_buffer = false,
628 		.mcast_frame_registration = false,
629 	},
630 	{
631 		.id = QCA9377_HW_1_1_DEV_VERSION,
632 		.dev_id = QCA9377_1_0_DEVICE_ID,
633 		.bus = ATH10K_BUS_SDIO,
634 		.name = "qca9377 hw1.1 sdio",
635 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
636 		.uart_pin = 19,
637 		.led_pin = 0,
638 		.otp_exe_param = 0,
639 		.channel_counters_freq_hz = 88000,
640 		.max_probe_resp_desc_thres = 0,
641 		.cal_data_len = 8124,
642 		.fw = {
643 			.dir = QCA9377_HW_1_0_FW_DIR,
644 			.board_size = QCA9377_BOARD_DATA_SZ,
645 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
646 		},
647 		.rx_desc_ops = &qca988x_rx_desc_ops,
648 		.hw_ops = &qca6174_ops,
649 		.hw_clk = qca6174_clk,
650 		.target_cpu_freq = 176000000,
651 		.decap_align_bytes = 4,
652 		.n_cipher_suites = 8,
653 		.num_peers = TARGET_QCA9377_HL_NUM_PEERS,
654 		.ast_skid_limit = 0x10,
655 		.num_wds_entries = 0x20,
656 		.uart_pin_workaround = true,
657 		.credit_size_workaround = true,
658 		.dynamic_sar_support = false,
659 		.hw_restart_disconnect = false,
660 		.use_fw_tx_credits = true,
661 		.delay_unmap_buffer = false,
662 		.mcast_frame_registration = false,
663 	},
664 	{
665 		.id = QCA4019_HW_1_0_DEV_VERSION,
666 		.dev_id = 0,
667 		.bus = ATH10K_BUS_AHB,
668 		.name = "qca4019 hw1.0",
669 		.patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
670 		.uart_pin = 7,
671 		.led_pin = 0,
672 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
673 		.otp_exe_param = 0x0010000,
674 		.continuous_frag_desc = true,
675 		.cck_rate_map_rev2 = true,
676 		.channel_counters_freq_hz = 125000,
677 		.max_probe_resp_desc_thres = 24,
678 		.tx_chain_mask = 0x3,
679 		.rx_chain_mask = 0x3,
680 		.max_spatial_stream = 2,
681 		.cal_data_len = 12064,
682 		.fw = {
683 			.dir = QCA4019_HW_1_0_FW_DIR,
684 			.board_size = QCA4019_BOARD_DATA_SZ,
685 			.board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
686 		},
687 		.sw_decrypt_mcast_mgmt = true,
688 		.rx_desc_ops = &qca99x0_rx_desc_ops,
689 		.hw_ops = &qca99x0_ops,
690 		.decap_align_bytes = 1,
691 		.spectral_bin_discard = 4,
692 		.spectral_bin_offset = 0,
693 		.vht160_mcs_rx_highest = 0,
694 		.vht160_mcs_tx_highest = 0,
695 		.n_cipher_suites = 11,
696 		.ast_skid_limit = 0x10,
697 		.num_wds_entries = 0x20,
698 		.target_64bit = false,
699 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
700 		.shadow_reg_support = false,
701 		.rri_on_ddr = false,
702 		.hw_filter_reset_required = true,
703 		.fw_diag_ce_download = false,
704 		.credit_size_workaround = false,
705 		.tx_stats_over_pktlog = false,
706 		.dynamic_sar_support = false,
707 		.hw_restart_disconnect = false,
708 		.use_fw_tx_credits = true,
709 		.delay_unmap_buffer = false,
710 		.mcast_frame_registration = false,
711 	},
712 	{
713 		.id = WCN3990_HW_1_0_DEV_VERSION,
714 		.dev_id = 0,
715 		.bus = ATH10K_BUS_SNOC,
716 		.name = "wcn3990 hw1.0",
717 		.led_pin = 0,
718 		.continuous_frag_desc = true,
719 		.tx_chain_mask = 0x7,
720 		.rx_chain_mask = 0x7,
721 		.max_spatial_stream = 4,
722 		.fw = {
723 			.dir = WCN3990_HW_1_0_FW_DIR,
724 			.board_size = WCN3990_BOARD_DATA_SZ,
725 			.board_ext_size = WCN3990_BOARD_EXT_DATA_SZ,
726 		},
727 		.sw_decrypt_mcast_mgmt = true,
728 		.rx_desc_ops = &wcn3990_rx_desc_ops,
729 		.hw_ops = &wcn3990_ops,
730 		.decap_align_bytes = 1,
731 		.num_peers = TARGET_HL_TLV_NUM_PEERS,
732 		.n_cipher_suites = 11,
733 		.ast_skid_limit = TARGET_HL_TLV_AST_SKID_LIMIT,
734 		.num_wds_entries = TARGET_HL_TLV_NUM_WDS_ENTRIES,
735 		.target_64bit = true,
736 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL_DUAL_MAC,
737 		.shadow_reg_support = true,
738 		.rri_on_ddr = true,
739 		.hw_filter_reset_required = false,
740 		.fw_diag_ce_download = false,
741 		.credit_size_workaround = false,
742 		.tx_stats_over_pktlog = false,
743 		.dynamic_sar_support = true,
744 		.hw_restart_disconnect = true,
745 		.use_fw_tx_credits = false,
746 		.delay_unmap_buffer = true,
747 		.mcast_frame_registration = false,
748 	},
749 };
750 
751 static const char *const ath10k_core_fw_feature_str[] = {
752 	[ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
753 	[ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
754 	[ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
755 	[ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
756 	[ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
757 	[ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
758 	[ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
759 	[ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
760 	[ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
761 	[ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
762 	[ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
763 	[ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
764 	[ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
765 	[ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
766 	[ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
767 	[ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
768 	[ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
769 	[ATH10K_FW_FEATURE_NO_PS] = "no-ps",
770 	[ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
771 	[ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
772 	[ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL] = "single-chan-info-per-channel",
773 	[ATH10K_FW_FEATURE_PEER_FIXED_RATE] = "peer-fixed-rate",
774 	[ATH10K_FW_FEATURE_IRAM_RECOVERY] = "iram-recovery",
775 };
776 
777 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
778 						   size_t buf_len,
779 						   enum ath10k_fw_features feat)
780 {
781 	/* make sure that ath10k_core_fw_feature_str[] gets updated */
782 	BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
783 		     ATH10K_FW_FEATURE_COUNT);
784 
785 	if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
786 	    WARN_ON(!ath10k_core_fw_feature_str[feat])) {
787 		return scnprintf(buf, buf_len, "bit%d", feat);
788 	}
789 
790 	return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
791 }
792 
793 void ath10k_core_get_fw_features_str(struct ath10k *ar,
794 				     char *buf,
795 				     size_t buf_len)
796 {
797 	size_t len = 0;
798 	int i;
799 
800 	for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
801 		if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
802 			if (len > 0)
803 				len += scnprintf(buf + len, buf_len - len, ",");
804 
805 			len += ath10k_core_get_fw_feature_str(buf + len,
806 							      buf_len - len,
807 							      i);
808 		}
809 	}
810 }
811 
812 static void ath10k_send_suspend_complete(struct ath10k *ar)
813 {
814 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
815 
816 	complete(&ar->target_suspend);
817 }
818 
819 static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode)
820 {
821 	bool mtu_workaround = ar->hw_params.credit_size_workaround;
822 	int ret;
823 	u32 param = 0;
824 
825 	ret = ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
826 	if (ret)
827 		return ret;
828 
829 	ret = ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
830 	if (ret)
831 		return ret;
832 
833 	ret = ath10k_bmi_read32(ar, hi_acs_flags, &param);
834 	if (ret)
835 		return ret;
836 
837 	param |= HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
838 
839 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL && !mtu_workaround)
840 		param |= HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
841 	else
842 		param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
843 
844 	if (mode == ATH10K_FIRMWARE_MODE_UTF)
845 		param &= ~HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
846 	else
847 		param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
848 
849 	ret = ath10k_bmi_write32(ar, hi_acs_flags, param);
850 	if (ret)
851 		return ret;
852 
853 	ret = ath10k_bmi_read32(ar, hi_option_flag2, &param);
854 	if (ret)
855 		return ret;
856 
857 	param |= HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_HOST;
858 
859 	ret = ath10k_bmi_write32(ar, hi_option_flag2, param);
860 	if (ret)
861 		return ret;
862 
863 	return 0;
864 }
865 
866 static int ath10k_init_configure_target(struct ath10k *ar)
867 {
868 	u32 param_host;
869 	int ret;
870 
871 	/* tell target which HTC version it is used*/
872 	ret = ath10k_bmi_write32(ar, hi_app_host_interest,
873 				 HTC_PROTOCOL_VERSION);
874 	if (ret) {
875 		ath10k_err(ar, "settings HTC version failed\n");
876 		return ret;
877 	}
878 
879 	/* set the firmware mode to STA/IBSS/AP */
880 	ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
881 	if (ret) {
882 		ath10k_err(ar, "setting firmware mode (1/2) failed\n");
883 		return ret;
884 	}
885 
886 	/* TODO following parameters need to be re-visited. */
887 	/* num_device */
888 	param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
889 	/* Firmware mode */
890 	/* FIXME: Why FW_MODE_AP ??.*/
891 	param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
892 	/* mac_addr_method */
893 	param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
894 	/* firmware_bridge */
895 	param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
896 	/* fwsubmode */
897 	param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
898 
899 	ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
900 	if (ret) {
901 		ath10k_err(ar, "setting firmware mode (2/2) failed\n");
902 		return ret;
903 	}
904 
905 	/* We do all byte-swapping on the host */
906 	ret = ath10k_bmi_write32(ar, hi_be, 0);
907 	if (ret) {
908 		ath10k_err(ar, "setting host CPU BE mode failed\n");
909 		return ret;
910 	}
911 
912 	/* FW descriptor/Data swap flags */
913 	ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
914 
915 	if (ret) {
916 		ath10k_err(ar, "setting FW data/desc swap flags failed\n");
917 		return ret;
918 	}
919 
920 	/* Some devices have a special sanity check that verifies the PCI
921 	 * Device ID is written to this host interest var. It is known to be
922 	 * required to boot QCA6164.
923 	 */
924 	ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
925 				 ar->dev_id);
926 	if (ret) {
927 		ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
928 		return ret;
929 	}
930 
931 	return 0;
932 }
933 
934 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
935 						   const char *dir,
936 						   const char *file)
937 {
938 	char filename[100];
939 	const struct firmware *fw;
940 	int ret;
941 
942 	if (file == NULL)
943 		return ERR_PTR(-ENOENT);
944 
945 	if (dir == NULL)
946 		dir = ".";
947 
948 	if (ar->board_name) {
949 		snprintf(filename, sizeof(filename), "%s/%s/%s",
950 			 dir, ar->board_name, file);
951 		ret = firmware_request_nowarn(&fw, filename, ar->dev);
952 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
953 			   filename, ret);
954 		if (!ret)
955 			return fw;
956 	}
957 
958 	snprintf(filename, sizeof(filename), "%s/%s", dir, file);
959 	ret = firmware_request_nowarn(&fw, filename, ar->dev);
960 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
961 		   filename, ret);
962 	if (ret)
963 		return ERR_PTR(ret);
964 
965 	return fw;
966 }
967 
968 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
969 				      size_t data_len)
970 {
971 	u32 board_data_size = ar->hw_params.fw.board_size;
972 	u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
973 	u32 board_ext_data_addr;
974 	int ret;
975 
976 	ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
977 	if (ret) {
978 		ath10k_err(ar, "could not read board ext data addr (%d)\n",
979 			   ret);
980 		return ret;
981 	}
982 
983 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
984 		   "boot push board extended data addr 0x%x\n",
985 		   board_ext_data_addr);
986 
987 	if (board_ext_data_addr == 0)
988 		return 0;
989 
990 	if (data_len != (board_data_size + board_ext_data_size)) {
991 		ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
992 			   data_len, board_data_size, board_ext_data_size);
993 		return -EINVAL;
994 	}
995 
996 	ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
997 				      data + board_data_size,
998 				      board_ext_data_size);
999 	if (ret) {
1000 		ath10k_err(ar, "could not write board ext data (%d)\n", ret);
1001 		return ret;
1002 	}
1003 
1004 	ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
1005 				 (board_ext_data_size << 16) | 1);
1006 	if (ret) {
1007 		ath10k_err(ar, "could not write board ext data bit (%d)\n",
1008 			   ret);
1009 		return ret;
1010 	}
1011 
1012 	return 0;
1013 }
1014 
1015 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
1016 {
1017 	u32 result, address;
1018 	u8 board_id, chip_id;
1019 	bool ext_bid_support;
1020 	int ret, bmi_board_id_param;
1021 
1022 	address = ar->hw_params.patch_load_addr;
1023 
1024 	if (!ar->normal_mode_fw.fw_file.otp_data ||
1025 	    !ar->normal_mode_fw.fw_file.otp_len) {
1026 		ath10k_warn(ar,
1027 			    "failed to retrieve board id because of invalid otp\n");
1028 		return -ENODATA;
1029 	}
1030 
1031 	if (ar->id.bmi_ids_valid) {
1032 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1033 			   "boot already acquired valid otp board id,skip download, board_id %d chip_id %d\n",
1034 			   ar->id.bmi_board_id, ar->id.bmi_chip_id);
1035 		goto skip_otp_download;
1036 	}
1037 
1038 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1039 		   "boot upload otp to 0x%x len %zd for board id\n",
1040 		   address, ar->normal_mode_fw.fw_file.otp_len);
1041 
1042 	ret = ath10k_bmi_fast_download(ar, address,
1043 				       ar->normal_mode_fw.fw_file.otp_data,
1044 				       ar->normal_mode_fw.fw_file.otp_len);
1045 	if (ret) {
1046 		ath10k_err(ar, "could not write otp for board id check: %d\n",
1047 			   ret);
1048 		return ret;
1049 	}
1050 
1051 	if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1052 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE ||
1053 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_NVMEM)
1054 		bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
1055 	else
1056 		bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
1057 
1058 	ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
1059 	if (ret) {
1060 		ath10k_err(ar, "could not execute otp for board id check: %d\n",
1061 			   ret);
1062 		return ret;
1063 	}
1064 
1065 	board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
1066 	chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
1067 	ext_bid_support = (result & ATH10K_BMI_EXT_BOARD_ID_SUPPORT);
1068 
1069 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1070 		   "boot get otp board id result 0x%08x board_id %d chip_id %d ext_bid_support %d\n",
1071 		   result, board_id, chip_id, ext_bid_support);
1072 
1073 	ar->id.ext_bid_supported = ext_bid_support;
1074 
1075 	if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
1076 	    (board_id == 0)) {
1077 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1078 			   "board id does not exist in otp, ignore it\n");
1079 		return -EOPNOTSUPP;
1080 	}
1081 
1082 	ar->id.bmi_ids_valid = true;
1083 	ar->id.bmi_board_id = board_id;
1084 	ar->id.bmi_chip_id = chip_id;
1085 
1086 skip_otp_download:
1087 
1088 	return 0;
1089 }
1090 
1091 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
1092 {
1093 	struct ath10k *ar = data;
1094 	const char *bdf_ext;
1095 	const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
1096 	u8 bdf_enabled;
1097 	int i;
1098 
1099 	if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
1100 		return;
1101 
1102 	if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
1103 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1104 			   "wrong smbios bdf ext type length (%d).\n",
1105 			   hdr->length);
1106 		return;
1107 	}
1108 
1109 	bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
1110 	if (!bdf_enabled) {
1111 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
1112 		return;
1113 	}
1114 
1115 	/* Only one string exists (per spec) */
1116 	bdf_ext = (char *)hdr + hdr->length;
1117 
1118 	if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
1119 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1120 			   "bdf variant magic does not match.\n");
1121 		return;
1122 	}
1123 
1124 	for (i = 0; i < strlen(bdf_ext); i++) {
1125 		if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
1126 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1127 				   "bdf variant name contains non ascii chars.\n");
1128 			return;
1129 		}
1130 	}
1131 
1132 	/* Copy extension name without magic suffix */
1133 	if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
1134 		    sizeof(ar->id.bdf_ext)) < 0) {
1135 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1136 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1137 			    bdf_ext);
1138 		return;
1139 	}
1140 
1141 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1142 		   "found and validated bdf variant smbios_type 0x%x bdf %s\n",
1143 		   ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
1144 }
1145 
1146 static int ath10k_core_check_smbios(struct ath10k *ar)
1147 {
1148 	ar->id.bdf_ext[0] = '\0';
1149 	dmi_walk(ath10k_core_check_bdfext, ar);
1150 
1151 	if (ar->id.bdf_ext[0] == '\0')
1152 		return -ENODATA;
1153 
1154 	return 0;
1155 }
1156 
1157 int ath10k_core_check_dt(struct ath10k *ar)
1158 {
1159 	struct device_node *node;
1160 	const char *variant = NULL;
1161 
1162 	node = ar->dev->of_node;
1163 	if (!node)
1164 		return -ENOENT;
1165 
1166 	of_property_read_string(node, "qcom,ath10k-calibration-variant",
1167 				&variant);
1168 	if (!variant)
1169 		return -ENODATA;
1170 
1171 	if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
1172 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1173 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1174 			    variant);
1175 
1176 	return 0;
1177 }
1178 EXPORT_SYMBOL(ath10k_core_check_dt);
1179 
1180 static int ath10k_download_fw(struct ath10k *ar)
1181 {
1182 	u32 address, data_len;
1183 	const void *data;
1184 	int ret;
1185 	struct pm_qos_request latency_qos;
1186 
1187 	address = ar->hw_params.patch_load_addr;
1188 
1189 	data = ar->running_fw->fw_file.firmware_data;
1190 	data_len = ar->running_fw->fw_file.firmware_len;
1191 
1192 	ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
1193 	if (ret) {
1194 		ath10k_err(ar, "failed to configure fw code swap: %d\n",
1195 			   ret);
1196 		return ret;
1197 	}
1198 
1199 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1200 		   "boot uploading firmware image %pK len %d\n",
1201 		   data, data_len);
1202 
1203 	/* Check if device supports to download firmware via
1204 	 * diag copy engine. Downloading firmware via diag CE
1205 	 * greatly reduces the time to download firmware.
1206 	 */
1207 	if (ar->hw_params.fw_diag_ce_download) {
1208 		ret = ath10k_hw_diag_fast_download(ar, address,
1209 						   data, data_len);
1210 		if (ret == 0)
1211 			/* firmware upload via diag ce was successful */
1212 			return 0;
1213 
1214 		ath10k_warn(ar,
1215 			    "failed to upload firmware via diag ce, trying BMI: %d",
1216 			    ret);
1217 	}
1218 
1219 	memset(&latency_qos, 0, sizeof(latency_qos));
1220 	cpu_latency_qos_add_request(&latency_qos, 0);
1221 
1222 	ret = ath10k_bmi_fast_download(ar, address, data, data_len);
1223 
1224 	cpu_latency_qos_remove_request(&latency_qos);
1225 
1226 	return ret;
1227 }
1228 
1229 void ath10k_core_free_board_files(struct ath10k *ar)
1230 {
1231 	if (!IS_ERR(ar->normal_mode_fw.board))
1232 		release_firmware(ar->normal_mode_fw.board);
1233 
1234 	if (!IS_ERR(ar->normal_mode_fw.ext_board))
1235 		release_firmware(ar->normal_mode_fw.ext_board);
1236 
1237 	ar->normal_mode_fw.board = NULL;
1238 	ar->normal_mode_fw.board_data = NULL;
1239 	ar->normal_mode_fw.board_len = 0;
1240 	ar->normal_mode_fw.ext_board = NULL;
1241 	ar->normal_mode_fw.ext_board_data = NULL;
1242 	ar->normal_mode_fw.ext_board_len = 0;
1243 }
1244 EXPORT_SYMBOL(ath10k_core_free_board_files);
1245 
1246 static void ath10k_core_free_firmware_files(struct ath10k *ar)
1247 {
1248 	if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
1249 		release_firmware(ar->normal_mode_fw.fw_file.firmware);
1250 
1251 	if (!IS_ERR(ar->cal_file))
1252 		release_firmware(ar->cal_file);
1253 
1254 	if (!IS_ERR(ar->pre_cal_file))
1255 		release_firmware(ar->pre_cal_file);
1256 
1257 	ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
1258 
1259 	ar->normal_mode_fw.fw_file.otp_data = NULL;
1260 	ar->normal_mode_fw.fw_file.otp_len = 0;
1261 
1262 	ar->normal_mode_fw.fw_file.firmware = NULL;
1263 	ar->normal_mode_fw.fw_file.firmware_data = NULL;
1264 	ar->normal_mode_fw.fw_file.firmware_len = 0;
1265 
1266 	ar->cal_file = NULL;
1267 	ar->pre_cal_file = NULL;
1268 }
1269 
1270 static int ath10k_fetch_cal_file(struct ath10k *ar)
1271 {
1272 	char filename[100];
1273 
1274 	/* pre-cal-<bus>-<id>.bin */
1275 	scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
1276 		  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1277 
1278 	ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1279 	if (!IS_ERR(ar->pre_cal_file))
1280 		goto success;
1281 
1282 	/* cal-<bus>-<id>.bin */
1283 	scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
1284 		  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1285 
1286 	ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1287 	if (IS_ERR(ar->cal_file))
1288 		/* calibration file is optional, don't print any warnings */
1289 		return PTR_ERR(ar->cal_file);
1290 success:
1291 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
1292 		   ATH10K_FW_DIR, filename);
1293 
1294 	return 0;
1295 }
1296 
1297 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar, int bd_ie_type)
1298 {
1299 	const struct firmware *fw;
1300 	char boardname[100];
1301 
1302 	if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1303 		scnprintf(boardname, sizeof(boardname), "board-%s-%s.bin",
1304 			  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1305 
1306 		ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1307 								ar->hw_params.fw.dir,
1308 								boardname);
1309 		if (IS_ERR(ar->normal_mode_fw.board)) {
1310 			fw = ath10k_fetch_fw_file(ar,
1311 						  ar->hw_params.fw.dir,
1312 						  ATH10K_BOARD_DATA_FILE);
1313 			ar->normal_mode_fw.board = fw;
1314 		}
1315 
1316 		if (IS_ERR(ar->normal_mode_fw.board))
1317 			return PTR_ERR(ar->normal_mode_fw.board);
1318 
1319 		ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
1320 		ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
1321 	} else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1322 		fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1323 					  ATH10K_EBOARD_DATA_FILE);
1324 		ar->normal_mode_fw.ext_board = fw;
1325 		if (IS_ERR(ar->normal_mode_fw.ext_board))
1326 			return PTR_ERR(ar->normal_mode_fw.ext_board);
1327 
1328 		ar->normal_mode_fw.ext_board_data = ar->normal_mode_fw.ext_board->data;
1329 		ar->normal_mode_fw.ext_board_len = ar->normal_mode_fw.ext_board->size;
1330 	}
1331 
1332 	return 0;
1333 }
1334 
1335 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
1336 					 const void *buf, size_t buf_len,
1337 					 const char *boardname,
1338 					 int bd_ie_type)
1339 {
1340 	const struct ath10k_fw_ie *hdr;
1341 	bool name_match_found;
1342 	int ret, board_ie_id;
1343 	size_t board_ie_len;
1344 	const void *board_ie_data;
1345 
1346 	name_match_found = false;
1347 
1348 	/* go through ATH10K_BD_IE_BOARD_ elements */
1349 	while (buf_len > sizeof(struct ath10k_fw_ie)) {
1350 		hdr = buf;
1351 		board_ie_id = le32_to_cpu(hdr->id);
1352 		board_ie_len = le32_to_cpu(hdr->len);
1353 		board_ie_data = hdr->data;
1354 
1355 		buf_len -= sizeof(*hdr);
1356 		buf += sizeof(*hdr);
1357 
1358 		if (buf_len < ALIGN(board_ie_len, 4)) {
1359 			ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
1360 				   buf_len, ALIGN(board_ie_len, 4));
1361 			ret = -EINVAL;
1362 			goto out;
1363 		}
1364 
1365 		switch (board_ie_id) {
1366 		case ATH10K_BD_IE_BOARD_NAME:
1367 			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
1368 					board_ie_data, board_ie_len);
1369 
1370 			if (board_ie_len != strlen(boardname))
1371 				break;
1372 
1373 			ret = memcmp(board_ie_data, boardname, strlen(boardname));
1374 			if (ret)
1375 				break;
1376 
1377 			name_match_found = true;
1378 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1379 				   "boot found match for name '%s'",
1380 				   boardname);
1381 			break;
1382 		case ATH10K_BD_IE_BOARD_DATA:
1383 			if (!name_match_found)
1384 				/* no match found */
1385 				break;
1386 
1387 			if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1388 				ath10k_dbg(ar, ATH10K_DBG_BOOT,
1389 					   "boot found board data for '%s'",
1390 						boardname);
1391 
1392 				ar->normal_mode_fw.board_data = board_ie_data;
1393 				ar->normal_mode_fw.board_len = board_ie_len;
1394 			} else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1395 				ath10k_dbg(ar, ATH10K_DBG_BOOT,
1396 					   "boot found eboard data for '%s'",
1397 						boardname);
1398 
1399 				ar->normal_mode_fw.ext_board_data = board_ie_data;
1400 				ar->normal_mode_fw.ext_board_len = board_ie_len;
1401 			}
1402 
1403 			ret = 0;
1404 			goto out;
1405 		default:
1406 			ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
1407 				    board_ie_id);
1408 			break;
1409 		}
1410 
1411 		/* jump over the padding */
1412 		board_ie_len = ALIGN(board_ie_len, 4);
1413 
1414 		buf_len -= board_ie_len;
1415 		buf += board_ie_len;
1416 	}
1417 
1418 	/* no match found */
1419 	ret = -ENOENT;
1420 
1421 out:
1422 	return ret;
1423 }
1424 
1425 static int ath10k_core_search_bd(struct ath10k *ar,
1426 				 const char *boardname,
1427 				 const u8 *data,
1428 				 size_t len)
1429 {
1430 	size_t ie_len;
1431 	struct ath10k_fw_ie *hdr;
1432 	int ret = -ENOENT, ie_id;
1433 
1434 	while (len > sizeof(struct ath10k_fw_ie)) {
1435 		hdr = (struct ath10k_fw_ie *)data;
1436 		ie_id = le32_to_cpu(hdr->id);
1437 		ie_len = le32_to_cpu(hdr->len);
1438 
1439 		len -= sizeof(*hdr);
1440 		data = hdr->data;
1441 
1442 		if (len < ALIGN(ie_len, 4)) {
1443 			ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1444 				   ie_id, ie_len, len);
1445 			return -EINVAL;
1446 		}
1447 
1448 		switch (ie_id) {
1449 		case ATH10K_BD_IE_BOARD:
1450 			ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1451 							    boardname,
1452 							    ATH10K_BD_IE_BOARD);
1453 			if (ret == -ENOENT)
1454 				/* no match found, continue */
1455 				break;
1456 
1457 			/* either found or error, so stop searching */
1458 			goto out;
1459 		case ATH10K_BD_IE_BOARD_EXT:
1460 			ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1461 							    boardname,
1462 							    ATH10K_BD_IE_BOARD_EXT);
1463 			if (ret == -ENOENT)
1464 				/* no match found, continue */
1465 				break;
1466 
1467 			/* either found or error, so stop searching */
1468 			goto out;
1469 		}
1470 
1471 		/* jump over the padding */
1472 		ie_len = ALIGN(ie_len, 4);
1473 
1474 		len -= ie_len;
1475 		data += ie_len;
1476 	}
1477 
1478 out:
1479 	/* return result of parse_bd_ie_board() or -ENOENT */
1480 	return ret;
1481 }
1482 
1483 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
1484 					      const char *boardname,
1485 					      const char *fallback_boardname1,
1486 					      const char *fallback_boardname2,
1487 					      const char *filename)
1488 {
1489 	size_t len, magic_len;
1490 	const u8 *data;
1491 	int ret;
1492 
1493 	/* Skip if already fetched during board data download */
1494 	if (!ar->normal_mode_fw.board)
1495 		ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1496 								ar->hw_params.fw.dir,
1497 								filename);
1498 	if (IS_ERR(ar->normal_mode_fw.board))
1499 		return PTR_ERR(ar->normal_mode_fw.board);
1500 
1501 	data = ar->normal_mode_fw.board->data;
1502 	len = ar->normal_mode_fw.board->size;
1503 
1504 	/* magic has extra null byte padded */
1505 	magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
1506 	if (len < magic_len) {
1507 		ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
1508 			   ar->hw_params.fw.dir, filename, len);
1509 		ret = -EINVAL;
1510 		goto err;
1511 	}
1512 
1513 	if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
1514 		ath10k_err(ar, "found invalid board magic\n");
1515 		ret = -EINVAL;
1516 		goto err;
1517 	}
1518 
1519 	/* magic is padded to 4 bytes */
1520 	magic_len = ALIGN(magic_len, 4);
1521 	if (len < magic_len) {
1522 		ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
1523 			   ar->hw_params.fw.dir, filename, len);
1524 		ret = -EINVAL;
1525 		goto err;
1526 	}
1527 
1528 	data += magic_len;
1529 	len -= magic_len;
1530 
1531 	/* attempt to find boardname in the IE list */
1532 	ret = ath10k_core_search_bd(ar, boardname, data, len);
1533 
1534 	/* if we didn't find it and have a fallback name, try that */
1535 	if (ret == -ENOENT && fallback_boardname1)
1536 		ret = ath10k_core_search_bd(ar, fallback_boardname1, data, len);
1537 
1538 	if (ret == -ENOENT && fallback_boardname2)
1539 		ret = ath10k_core_search_bd(ar, fallback_boardname2, data, len);
1540 
1541 	if (ret == -ENOENT) {
1542 		ath10k_err(ar,
1543 			   "failed to fetch board data for %s from %s/%s\n",
1544 			   boardname, ar->hw_params.fw.dir, filename);
1545 		ret = -ENODATA;
1546 	}
1547 
1548 	if (ret)
1549 		goto err;
1550 
1551 	return 0;
1552 
1553 err:
1554 	ath10k_core_free_board_files(ar);
1555 	return ret;
1556 }
1557 
1558 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1559 					 size_t name_len, bool with_variant,
1560 					 bool with_chip_id)
1561 {
1562 	/* strlen(',variant=') + strlen(ar->id.bdf_ext) */
1563 	char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
1564 
1565 	if (with_variant && ar->id.bdf_ext[0] != '\0')
1566 		scnprintf(variant, sizeof(variant), ",variant=%s",
1567 			  ar->id.bdf_ext);
1568 
1569 	if (ar->id.bmi_ids_valid) {
1570 		scnprintf(name, name_len,
1571 			  "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s",
1572 			  ath10k_bus_str(ar->hif.bus),
1573 			  ar->id.bmi_chip_id,
1574 			  ar->id.bmi_board_id, variant);
1575 		goto out;
1576 	}
1577 
1578 	if (ar->id.qmi_ids_valid) {
1579 		if (with_chip_id)
1580 			scnprintf(name, name_len,
1581 				  "bus=%s,qmi-board-id=%x,qmi-chip-id=%x%s",
1582 				  ath10k_bus_str(ar->hif.bus),
1583 				  ar->id.qmi_board_id, ar->id.qmi_chip_id,
1584 				  variant);
1585 		else
1586 			scnprintf(name, name_len,
1587 				  "bus=%s,qmi-board-id=%x",
1588 				  ath10k_bus_str(ar->hif.bus),
1589 				  ar->id.qmi_board_id);
1590 		goto out;
1591 	}
1592 
1593 	scnprintf(name, name_len,
1594 		  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
1595 		  ath10k_bus_str(ar->hif.bus),
1596 		  ar->id.vendor, ar->id.device,
1597 		  ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
1598 out:
1599 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1600 
1601 	return 0;
1602 }
1603 
1604 static int ath10k_core_create_eboard_name(struct ath10k *ar, char *name,
1605 					  size_t name_len)
1606 {
1607 	if (ar->id.bmi_ids_valid) {
1608 		scnprintf(name, name_len,
1609 			  "bus=%s,bmi-chip-id=%d,bmi-eboard-id=%d",
1610 			  ath10k_bus_str(ar->hif.bus),
1611 			  ar->id.bmi_chip_id,
1612 			  ar->id.bmi_eboard_id);
1613 
1614 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using eboard name '%s'\n", name);
1615 		return 0;
1616 	}
1617 	/* Fallback if returned board id is zero */
1618 	return -1;
1619 }
1620 
1621 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type)
1622 {
1623 	char boardname[100], fallback_boardname1[100], fallback_boardname2[100];
1624 	int ret;
1625 
1626 	if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1627 		/* With variant and chip id */
1628 		ret = ath10k_core_create_board_name(ar, boardname,
1629 						    sizeof(boardname), true,
1630 						    true);
1631 		if (ret) {
1632 			ath10k_err(ar, "failed to create board name: %d", ret);
1633 			return ret;
1634 		}
1635 
1636 		/* Without variant and only chip-id */
1637 		ret = ath10k_core_create_board_name(ar, fallback_boardname1,
1638 						    sizeof(boardname), false,
1639 						    true);
1640 		if (ret) {
1641 			ath10k_err(ar, "failed to create 1st fallback board name: %d",
1642 				   ret);
1643 			return ret;
1644 		}
1645 
1646 		/* Without variant and without chip-id */
1647 		ret = ath10k_core_create_board_name(ar, fallback_boardname2,
1648 						    sizeof(boardname), false,
1649 						    false);
1650 		if (ret) {
1651 			ath10k_err(ar, "failed to create 2nd fallback board name: %d",
1652 				   ret);
1653 			return ret;
1654 		}
1655 	} else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1656 		ret = ath10k_core_create_eboard_name(ar, boardname,
1657 						     sizeof(boardname));
1658 		if (ret) {
1659 			ath10k_err(ar, "fallback to eboard.bin since board id 0");
1660 			goto fallback;
1661 		}
1662 	}
1663 
1664 	ar->bd_api = 2;
1665 	ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1666 						 fallback_boardname1,
1667 						 fallback_boardname2,
1668 						 ATH10K_BOARD_API2_FILE);
1669 	if (!ret)
1670 		goto success;
1671 
1672 fallback:
1673 	ar->bd_api = 1;
1674 	ret = ath10k_core_fetch_board_data_api_1(ar, bd_ie_type);
1675 	if (ret) {
1676 		ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
1677 			   ar->hw_params.fw.dir);
1678 		return ret;
1679 	}
1680 
1681 success:
1682 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1683 	return 0;
1684 }
1685 EXPORT_SYMBOL(ath10k_core_fetch_board_file);
1686 
1687 static int ath10k_core_get_ext_board_id_from_otp(struct ath10k *ar)
1688 {
1689 	u32 result, address;
1690 	u8 ext_board_id;
1691 	int ret;
1692 
1693 	address = ar->hw_params.patch_load_addr;
1694 
1695 	if (!ar->normal_mode_fw.fw_file.otp_data ||
1696 	    !ar->normal_mode_fw.fw_file.otp_len) {
1697 		ath10k_warn(ar,
1698 			    "failed to retrieve extended board id due to otp binary missing\n");
1699 		return -ENODATA;
1700 	}
1701 
1702 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1703 		   "boot upload otp to 0x%x len %zd for ext board id\n",
1704 		   address, ar->normal_mode_fw.fw_file.otp_len);
1705 
1706 	ret = ath10k_bmi_fast_download(ar, address,
1707 				       ar->normal_mode_fw.fw_file.otp_data,
1708 				       ar->normal_mode_fw.fw_file.otp_len);
1709 	if (ret) {
1710 		ath10k_err(ar, "could not write otp for ext board id check: %d\n",
1711 			   ret);
1712 		return ret;
1713 	}
1714 
1715 	ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EXT_BOARD_ID, &result);
1716 	if (ret) {
1717 		ath10k_err(ar, "could not execute otp for ext board id check: %d\n",
1718 			   ret);
1719 		return ret;
1720 	}
1721 
1722 	if (!result) {
1723 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1724 			   "ext board id does not exist in otp, ignore it\n");
1725 		return -EOPNOTSUPP;
1726 	}
1727 
1728 	ext_board_id = result & ATH10K_BMI_EBOARD_ID_STATUS_MASK;
1729 
1730 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1731 		   "boot get otp ext board id result 0x%08x ext_board_id %d\n",
1732 		   result, ext_board_id);
1733 
1734 	ar->id.bmi_eboard_id = ext_board_id;
1735 
1736 	return 0;
1737 }
1738 
1739 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
1740 				      size_t data_len)
1741 {
1742 	u32 board_data_size = ar->hw_params.fw.board_size;
1743 	u32 eboard_data_size = ar->hw_params.fw.ext_board_size;
1744 	u32 board_address;
1745 	u32 ext_board_address;
1746 	int ret;
1747 
1748 	ret = ath10k_push_board_ext_data(ar, data, data_len);
1749 	if (ret) {
1750 		ath10k_err(ar, "could not push board ext data (%d)\n", ret);
1751 		goto exit;
1752 	}
1753 
1754 	ret = ath10k_bmi_read32(ar, hi_board_data, &board_address);
1755 	if (ret) {
1756 		ath10k_err(ar, "could not read board data addr (%d)\n", ret);
1757 		goto exit;
1758 	}
1759 
1760 	ret = ath10k_bmi_write_memory(ar, board_address, data,
1761 				      min_t(u32, board_data_size,
1762 					    data_len));
1763 	if (ret) {
1764 		ath10k_err(ar, "could not write board data (%d)\n", ret);
1765 		goto exit;
1766 	}
1767 
1768 	ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
1769 	if (ret) {
1770 		ath10k_err(ar, "could not write board data bit (%d)\n", ret);
1771 		goto exit;
1772 	}
1773 
1774 	if (!ar->id.ext_bid_supported)
1775 		goto exit;
1776 
1777 	/* Extended board data download */
1778 	ret = ath10k_core_get_ext_board_id_from_otp(ar);
1779 	if (ret == -EOPNOTSUPP) {
1780 		/* Not fetching ext_board_data if ext board id is 0 */
1781 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "otp returned ext board id 0\n");
1782 		return 0;
1783 	} else if (ret) {
1784 		ath10k_err(ar, "failed to get extended board id: %d\n", ret);
1785 		goto exit;
1786 	}
1787 
1788 	ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD_EXT);
1789 	if (ret)
1790 		goto exit;
1791 
1792 	if (ar->normal_mode_fw.ext_board_data) {
1793 		ext_board_address = board_address + EXT_BOARD_ADDRESS_OFFSET;
1794 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1795 			   "boot writing ext board data to addr 0x%x",
1796 			   ext_board_address);
1797 		ret = ath10k_bmi_write_memory(ar, ext_board_address,
1798 					      ar->normal_mode_fw.ext_board_data,
1799 					      min_t(u32, eboard_data_size, data_len));
1800 		if (ret)
1801 			ath10k_err(ar, "failed to write ext board data: %d\n", ret);
1802 	}
1803 
1804 exit:
1805 	return ret;
1806 }
1807 
1808 static int ath10k_download_and_run_otp(struct ath10k *ar)
1809 {
1810 	u32 result, address = ar->hw_params.patch_load_addr;
1811 	u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
1812 	int ret;
1813 
1814 	ret = ath10k_download_board_data(ar,
1815 					 ar->running_fw->board_data,
1816 					 ar->running_fw->board_len);
1817 	if (ret) {
1818 		ath10k_err(ar, "failed to download board data: %d\n", ret);
1819 		return ret;
1820 	}
1821 
1822 	/* OTP is optional */
1823 
1824 	if (!ar->running_fw->fw_file.otp_data ||
1825 	    !ar->running_fw->fw_file.otp_len) {
1826 		ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
1827 			    ar->running_fw->fw_file.otp_data,
1828 			    ar->running_fw->fw_file.otp_len);
1829 		return 0;
1830 	}
1831 
1832 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
1833 		   address, ar->running_fw->fw_file.otp_len);
1834 
1835 	ret = ath10k_bmi_fast_download(ar, address,
1836 				       ar->running_fw->fw_file.otp_data,
1837 				       ar->running_fw->fw_file.otp_len);
1838 	if (ret) {
1839 		ath10k_err(ar, "could not write otp (%d)\n", ret);
1840 		return ret;
1841 	}
1842 
1843 	/* As of now pre-cal is valid for 10_4 variants */
1844 	if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1845 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE ||
1846 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_NVMEM)
1847 		bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
1848 
1849 	ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
1850 	if (ret) {
1851 		ath10k_err(ar, "could not execute otp (%d)\n", ret);
1852 		return ret;
1853 	}
1854 
1855 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
1856 
1857 	if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
1858 				   ar->running_fw->fw_file.fw_features)) &&
1859 	    result != 0) {
1860 		ath10k_err(ar, "otp calibration failed: %d", result);
1861 		return -EINVAL;
1862 	}
1863 
1864 	return 0;
1865 }
1866 
1867 static int ath10k_download_cal_file(struct ath10k *ar,
1868 				    const struct firmware *file)
1869 {
1870 	int ret;
1871 
1872 	if (!file)
1873 		return -ENOENT;
1874 
1875 	if (IS_ERR(file))
1876 		return PTR_ERR(file);
1877 
1878 	ret = ath10k_download_board_data(ar, file->data, file->size);
1879 	if (ret) {
1880 		ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
1881 		return ret;
1882 	}
1883 
1884 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
1885 
1886 	return 0;
1887 }
1888 
1889 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
1890 {
1891 	struct device_node *node;
1892 	int data_len;
1893 	void *data;
1894 	int ret;
1895 
1896 	node = ar->dev->of_node;
1897 	if (!node)
1898 		/* Device Tree is optional, don't print any warnings if
1899 		 * there's no node for ath10k.
1900 		 */
1901 		return -ENOENT;
1902 
1903 	if (!of_get_property(node, dt_name, &data_len)) {
1904 		/* The calibration data node is optional */
1905 		return -ENOENT;
1906 	}
1907 
1908 	if (data_len != ar->hw_params.cal_data_len) {
1909 		ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
1910 			    data_len);
1911 		ret = -EMSGSIZE;
1912 		goto out;
1913 	}
1914 
1915 	data = kmalloc(data_len, GFP_KERNEL);
1916 	if (!data) {
1917 		ret = -ENOMEM;
1918 		goto out;
1919 	}
1920 
1921 	ret = of_property_read_u8_array(node, dt_name, data, data_len);
1922 	if (ret) {
1923 		ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
1924 			    ret);
1925 		goto out_free;
1926 	}
1927 
1928 	ret = ath10k_download_board_data(ar, data, data_len);
1929 	if (ret) {
1930 		ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
1931 			    ret);
1932 		goto out_free;
1933 	}
1934 
1935 	ret = 0;
1936 
1937 out_free:
1938 	kfree(data);
1939 
1940 out:
1941 	return ret;
1942 }
1943 
1944 static int ath10k_download_cal_eeprom(struct ath10k *ar)
1945 {
1946 	size_t data_len;
1947 	void *data = NULL;
1948 	int ret;
1949 
1950 	ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
1951 	if (ret) {
1952 		if (ret != -EOPNOTSUPP)
1953 			ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
1954 				    ret);
1955 		goto out_free;
1956 	}
1957 
1958 	ret = ath10k_download_board_data(ar, data, data_len);
1959 	if (ret) {
1960 		ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
1961 			    ret);
1962 		goto out_free;
1963 	}
1964 
1965 	ret = 0;
1966 
1967 out_free:
1968 	kfree(data);
1969 
1970 	return ret;
1971 }
1972 
1973 static int ath10k_download_cal_nvmem(struct ath10k *ar, const char *cell_name)
1974 {
1975 	struct nvmem_cell *cell;
1976 	void *buf;
1977 	size_t len;
1978 	int ret;
1979 
1980 	cell = devm_nvmem_cell_get(ar->dev, cell_name);
1981 	if (IS_ERR(cell)) {
1982 		ret = PTR_ERR(cell);
1983 		return ret;
1984 	}
1985 
1986 	buf = nvmem_cell_read(cell, &len);
1987 	if (IS_ERR(buf))
1988 		return PTR_ERR(buf);
1989 
1990 	if (ar->hw_params.cal_data_len != len) {
1991 		kfree(buf);
1992 		ath10k_warn(ar, "invalid calibration data length in nvmem-cell '%s': %zu != %u\n",
1993 			    cell_name, len, ar->hw_params.cal_data_len);
1994 		return -EMSGSIZE;
1995 	}
1996 
1997 	ret = ath10k_download_board_data(ar, buf, len);
1998 	kfree(buf);
1999 	if (ret)
2000 		ath10k_warn(ar, "failed to download calibration data from nvmem-cell '%s': %d\n",
2001 			    cell_name, ret);
2002 
2003 	return ret;
2004 }
2005 
2006 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
2007 				     struct ath10k_fw_file *fw_file)
2008 {
2009 	size_t magic_len, len, ie_len;
2010 	int ie_id, i, index, bit, ret;
2011 	struct ath10k_fw_ie *hdr;
2012 	const u8 *data;
2013 	__le32 *timestamp, *version;
2014 
2015 	/* first fetch the firmware file (firmware-*.bin) */
2016 	fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
2017 						 name);
2018 	if (IS_ERR(fw_file->firmware))
2019 		return PTR_ERR(fw_file->firmware);
2020 
2021 	data = fw_file->firmware->data;
2022 	len = fw_file->firmware->size;
2023 
2024 	/* magic also includes the null byte, check that as well */
2025 	magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
2026 
2027 	if (len < magic_len) {
2028 		ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
2029 			   ar->hw_params.fw.dir, name, len);
2030 		ret = -EINVAL;
2031 		goto err;
2032 	}
2033 
2034 	if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
2035 		ath10k_err(ar, "invalid firmware magic\n");
2036 		ret = -EINVAL;
2037 		goto err;
2038 	}
2039 
2040 	/* jump over the padding */
2041 	magic_len = ALIGN(magic_len, 4);
2042 
2043 	len -= magic_len;
2044 	data += magic_len;
2045 
2046 	/* loop elements */
2047 	while (len > sizeof(struct ath10k_fw_ie)) {
2048 		hdr = (struct ath10k_fw_ie *)data;
2049 
2050 		ie_id = le32_to_cpu(hdr->id);
2051 		ie_len = le32_to_cpu(hdr->len);
2052 
2053 		len -= sizeof(*hdr);
2054 		data += sizeof(*hdr);
2055 
2056 		if (len < ie_len) {
2057 			ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
2058 				   ie_id, len, ie_len);
2059 			ret = -EINVAL;
2060 			goto err;
2061 		}
2062 
2063 		switch (ie_id) {
2064 		case ATH10K_FW_IE_FW_VERSION:
2065 			if (ie_len > sizeof(fw_file->fw_version) - 1)
2066 				break;
2067 
2068 			memcpy(fw_file->fw_version, data, ie_len);
2069 			fw_file->fw_version[ie_len] = '\0';
2070 
2071 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2072 				   "found fw version %s\n",
2073 				    fw_file->fw_version);
2074 			break;
2075 		case ATH10K_FW_IE_TIMESTAMP:
2076 			if (ie_len != sizeof(u32))
2077 				break;
2078 
2079 			timestamp = (__le32 *)data;
2080 
2081 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
2082 				   le32_to_cpup(timestamp));
2083 			break;
2084 		case ATH10K_FW_IE_FEATURES:
2085 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2086 				   "found firmware features ie (%zd B)\n",
2087 				   ie_len);
2088 
2089 			for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
2090 				index = i / 8;
2091 				bit = i % 8;
2092 
2093 				if (index == ie_len)
2094 					break;
2095 
2096 				if (data[index] & (1 << bit)) {
2097 					ath10k_dbg(ar, ATH10K_DBG_BOOT,
2098 						   "Enabling feature bit: %i\n",
2099 						   i);
2100 					__set_bit(i, fw_file->fw_features);
2101 				}
2102 			}
2103 
2104 			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
2105 					fw_file->fw_features,
2106 					sizeof(fw_file->fw_features));
2107 			break;
2108 		case ATH10K_FW_IE_FW_IMAGE:
2109 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2110 				   "found fw image ie (%zd B)\n",
2111 				   ie_len);
2112 
2113 			fw_file->firmware_data = data;
2114 			fw_file->firmware_len = ie_len;
2115 
2116 			break;
2117 		case ATH10K_FW_IE_OTP_IMAGE:
2118 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2119 				   "found otp image ie (%zd B)\n",
2120 				   ie_len);
2121 
2122 			fw_file->otp_data = data;
2123 			fw_file->otp_len = ie_len;
2124 
2125 			break;
2126 		case ATH10K_FW_IE_WMI_OP_VERSION:
2127 			if (ie_len != sizeof(u32))
2128 				break;
2129 
2130 			version = (__le32 *)data;
2131 
2132 			fw_file->wmi_op_version = le32_to_cpup(version);
2133 
2134 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
2135 				   fw_file->wmi_op_version);
2136 			break;
2137 		case ATH10K_FW_IE_HTT_OP_VERSION:
2138 			if (ie_len != sizeof(u32))
2139 				break;
2140 
2141 			version = (__le32 *)data;
2142 
2143 			fw_file->htt_op_version = le32_to_cpup(version);
2144 
2145 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
2146 				   fw_file->htt_op_version);
2147 			break;
2148 		case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
2149 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2150 				   "found fw code swap image ie (%zd B)\n",
2151 				   ie_len);
2152 			fw_file->codeswap_data = data;
2153 			fw_file->codeswap_len = ie_len;
2154 			break;
2155 		default:
2156 			ath10k_warn(ar, "Unknown FW IE: %u\n",
2157 				    le32_to_cpu(hdr->id));
2158 			break;
2159 		}
2160 
2161 		/* jump over the padding */
2162 		ie_len = ALIGN(ie_len, 4);
2163 
2164 		len -= ie_len;
2165 		data += ie_len;
2166 	}
2167 
2168 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, fw_file->fw_features) &&
2169 	    (!fw_file->firmware_data || !fw_file->firmware_len)) {
2170 		ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
2171 			    ar->hw_params.fw.dir, name);
2172 		ret = -ENOMEDIUM;
2173 		goto err;
2174 	}
2175 
2176 	return 0;
2177 
2178 err:
2179 	ath10k_core_free_firmware_files(ar);
2180 	return ret;
2181 }
2182 
2183 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
2184 				    size_t fw_name_len, int fw_api)
2185 {
2186 	switch (ar->hif.bus) {
2187 	case ATH10K_BUS_SDIO:
2188 	case ATH10K_BUS_USB:
2189 		scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
2190 			  ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
2191 			  fw_api);
2192 		break;
2193 	case ATH10K_BUS_PCI:
2194 	case ATH10K_BUS_AHB:
2195 	case ATH10K_BUS_SNOC:
2196 		scnprintf(fw_name, fw_name_len, "%s-%d.bin",
2197 			  ATH10K_FW_FILE_BASE, fw_api);
2198 		break;
2199 	}
2200 }
2201 
2202 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
2203 {
2204 	int ret, i;
2205 	char fw_name[100];
2206 
2207 	/* calibration file is optional, don't check for any errors */
2208 	ath10k_fetch_cal_file(ar);
2209 
2210 	for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
2211 		ar->fw_api = i;
2212 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
2213 			   ar->fw_api);
2214 
2215 		ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
2216 		ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
2217 						       &ar->normal_mode_fw.fw_file);
2218 		if (!ret)
2219 			goto success;
2220 	}
2221 
2222 	/* we end up here if we couldn't fetch any firmware */
2223 
2224 	ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
2225 		   ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
2226 		   ret);
2227 
2228 	return ret;
2229 
2230 success:
2231 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
2232 
2233 	return 0;
2234 }
2235 
2236 static int ath10k_core_pre_cal_download(struct ath10k *ar)
2237 {
2238 	int ret;
2239 
2240 	ret = ath10k_download_cal_nvmem(ar, "pre-calibration");
2241 	if (ret == 0) {
2242 		ar->cal_mode = ATH10K_PRE_CAL_MODE_NVMEM;
2243 		goto success;
2244 	} else if (ret == -EPROBE_DEFER) {
2245 		return ret;
2246 	}
2247 
2248 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2249 		   "boot did not find a pre-calibration nvmem-cell, try file next: %d\n",
2250 		   ret);
2251 
2252 	ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
2253 	if (ret == 0) {
2254 		ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
2255 		goto success;
2256 	}
2257 
2258 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2259 		   "boot did not find a pre calibration file, try DT next: %d\n",
2260 		   ret);
2261 
2262 	ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
2263 	if (ret) {
2264 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
2265 			   "unable to load pre cal data from DT: %d\n", ret);
2266 		return ret;
2267 	}
2268 	ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
2269 
2270 success:
2271 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2272 		   ath10k_cal_mode_str(ar->cal_mode));
2273 
2274 	return 0;
2275 }
2276 
2277 static int ath10k_core_pre_cal_config(struct ath10k *ar)
2278 {
2279 	int ret;
2280 
2281 	ret = ath10k_core_pre_cal_download(ar);
2282 	if (ret) {
2283 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
2284 			   "failed to load pre cal data: %d\n", ret);
2285 		return ret;
2286 	}
2287 
2288 	ret = ath10k_core_get_board_id_from_otp(ar);
2289 	if (ret) {
2290 		ath10k_err(ar, "failed to get board id: %d\n", ret);
2291 		return ret;
2292 	}
2293 
2294 	ret = ath10k_download_and_run_otp(ar);
2295 	if (ret) {
2296 		ath10k_err(ar, "failed to run otp: %d\n", ret);
2297 		return ret;
2298 	}
2299 
2300 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2301 		   "pre cal configuration done successfully\n");
2302 
2303 	return 0;
2304 }
2305 
2306 static int ath10k_download_cal_data(struct ath10k *ar)
2307 {
2308 	int ret;
2309 
2310 	ret = ath10k_core_pre_cal_config(ar);
2311 	if (ret == 0)
2312 		return 0;
2313 
2314 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2315 		   "pre cal download procedure failed, try cal file: %d\n",
2316 		   ret);
2317 
2318 	ret = ath10k_download_cal_nvmem(ar, "calibration");
2319 	if (ret == 0) {
2320 		ar->cal_mode = ATH10K_CAL_MODE_NVMEM;
2321 		goto done;
2322 	} else if (ret == -EPROBE_DEFER) {
2323 		return ret;
2324 	}
2325 
2326 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2327 		   "boot did not find a calibration nvmem-cell, try file next: %d\n",
2328 		   ret);
2329 
2330 	ret = ath10k_download_cal_file(ar, ar->cal_file);
2331 	if (ret == 0) {
2332 		ar->cal_mode = ATH10K_CAL_MODE_FILE;
2333 		goto done;
2334 	}
2335 
2336 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2337 		   "boot did not find a calibration file, try DT next: %d\n",
2338 		   ret);
2339 
2340 	ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
2341 	if (ret == 0) {
2342 		ar->cal_mode = ATH10K_CAL_MODE_DT;
2343 		goto done;
2344 	}
2345 
2346 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2347 		   "boot did not find DT entry, try target EEPROM next: %d\n",
2348 		   ret);
2349 
2350 	ret = ath10k_download_cal_eeprom(ar);
2351 	if (ret == 0) {
2352 		ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
2353 		goto done;
2354 	}
2355 
2356 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
2357 		   "boot did not find target EEPROM entry, try OTP next: %d\n",
2358 		   ret);
2359 
2360 	ret = ath10k_download_and_run_otp(ar);
2361 	if (ret) {
2362 		ath10k_err(ar, "failed to run otp: %d\n", ret);
2363 		return ret;
2364 	}
2365 
2366 	ar->cal_mode = ATH10K_CAL_MODE_OTP;
2367 
2368 done:
2369 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2370 		   ath10k_cal_mode_str(ar->cal_mode));
2371 	return 0;
2372 }
2373 
2374 static void ath10k_core_fetch_btcoex_dt(struct ath10k *ar)
2375 {
2376 	struct device_node *node;
2377 	u8 coex_support = 0;
2378 	int ret;
2379 
2380 	node = ar->dev->of_node;
2381 	if (!node)
2382 		goto out;
2383 
2384 	ret = of_property_read_u8(node, "qcom,coexist-support", &coex_support);
2385 	if (ret) {
2386 		ar->coex_support = true;
2387 		goto out;
2388 	}
2389 
2390 	if (coex_support) {
2391 		ar->coex_support = true;
2392 	} else {
2393 		ar->coex_support = false;
2394 		ar->coex_gpio_pin = -1;
2395 		goto out;
2396 	}
2397 
2398 	ret = of_property_read_u32(node, "qcom,coexist-gpio-pin",
2399 				   &ar->coex_gpio_pin);
2400 	if (ret)
2401 		ar->coex_gpio_pin = -1;
2402 
2403 out:
2404 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot coex_support %d coex_gpio_pin %d\n",
2405 		   ar->coex_support, ar->coex_gpio_pin);
2406 }
2407 
2408 static int ath10k_init_uart(struct ath10k *ar)
2409 {
2410 	int ret;
2411 
2412 	/*
2413 	 * Explicitly setting UART prints to zero as target turns it on
2414 	 * based on scratch registers.
2415 	 */
2416 	ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
2417 	if (ret) {
2418 		ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
2419 		return ret;
2420 	}
2421 
2422 	if (!uart_print) {
2423 		if (ar->hw_params.uart_pin_workaround) {
2424 			ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin,
2425 						 ar->hw_params.uart_pin);
2426 			if (ret) {
2427 				ath10k_warn(ar, "failed to set UART TX pin: %d",
2428 					    ret);
2429 				return ret;
2430 			}
2431 		}
2432 
2433 		return 0;
2434 	}
2435 
2436 	ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
2437 	if (ret) {
2438 		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2439 		return ret;
2440 	}
2441 
2442 	ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
2443 	if (ret) {
2444 		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2445 		return ret;
2446 	}
2447 
2448 	/* Set the UART baud rate to 19200. */
2449 	ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
2450 	if (ret) {
2451 		ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
2452 		return ret;
2453 	}
2454 
2455 	ath10k_info(ar, "UART prints enabled\n");
2456 	return 0;
2457 }
2458 
2459 static int ath10k_init_hw_params(struct ath10k *ar)
2460 {
2461 	const struct ath10k_hw_params *hw_params;
2462 	int i;
2463 
2464 	for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
2465 		hw_params = &ath10k_hw_params_list[i];
2466 
2467 		if (hw_params->bus == ar->hif.bus &&
2468 		    hw_params->id == ar->target_version &&
2469 		    hw_params->dev_id == ar->dev_id)
2470 			break;
2471 	}
2472 
2473 	if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
2474 		ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
2475 			   ar->target_version);
2476 		return -EINVAL;
2477 	}
2478 
2479 	ar->hw_params = *hw_params;
2480 
2481 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
2482 		   ar->hw_params.name, ar->target_version);
2483 
2484 	return 0;
2485 }
2486 
2487 void ath10k_core_start_recovery(struct ath10k *ar)
2488 {
2489 	if (test_and_set_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags)) {
2490 		ath10k_warn(ar, "already restarting\n");
2491 		return;
2492 	}
2493 
2494 	queue_work(ar->workqueue, &ar->restart_work);
2495 }
2496 EXPORT_SYMBOL(ath10k_core_start_recovery);
2497 
2498 void ath10k_core_napi_enable(struct ath10k *ar)
2499 {
2500 	lockdep_assert_held(&ar->conf_mutex);
2501 
2502 	if (test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags))
2503 		return;
2504 
2505 	napi_enable(&ar->napi);
2506 	set_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags);
2507 }
2508 EXPORT_SYMBOL(ath10k_core_napi_enable);
2509 
2510 void ath10k_core_napi_sync_disable(struct ath10k *ar)
2511 {
2512 	lockdep_assert_held(&ar->conf_mutex);
2513 
2514 	if (!test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags))
2515 		return;
2516 
2517 	napi_synchronize(&ar->napi);
2518 	napi_disable(&ar->napi);
2519 	clear_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags);
2520 }
2521 EXPORT_SYMBOL(ath10k_core_napi_sync_disable);
2522 
2523 static void ath10k_core_restart(struct work_struct *work)
2524 {
2525 	struct ath10k *ar = container_of(work, struct ath10k, restart_work);
2526 	int ret;
2527 
2528 	set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2529 
2530 	/* Place a barrier to make sure the compiler doesn't reorder
2531 	 * CRASH_FLUSH and calling other functions.
2532 	 */
2533 	barrier();
2534 
2535 	ieee80211_stop_queues(ar->hw);
2536 	ath10k_drain_tx(ar);
2537 	complete(&ar->scan.started);
2538 	complete(&ar->scan.completed);
2539 	complete(&ar->scan.on_channel);
2540 	complete(&ar->offchan_tx_completed);
2541 	complete(&ar->install_key_done);
2542 	complete(&ar->vdev_setup_done);
2543 	complete(&ar->vdev_delete_done);
2544 	complete(&ar->thermal.wmi_sync);
2545 	complete(&ar->bss_survey_done);
2546 	wake_up(&ar->htt.empty_tx_wq);
2547 	wake_up(&ar->wmi.tx_credits_wq);
2548 	wake_up(&ar->peer_mapping_wq);
2549 
2550 	/* TODO: We can have one instance of cancelling coverage_class_work by
2551 	 * moving it to ath10k_halt(), so that both stop() and restart() would
2552 	 * call that but it takes conf_mutex() and if we call cancel_work_sync()
2553 	 * with conf_mutex it will deadlock.
2554 	 */
2555 	cancel_work_sync(&ar->set_coverage_class_work);
2556 
2557 	mutex_lock(&ar->conf_mutex);
2558 
2559 	switch (ar->state) {
2560 	case ATH10K_STATE_ON:
2561 		ar->state = ATH10K_STATE_RESTARTING;
2562 		ath10k_halt(ar);
2563 		ath10k_scan_finish(ar);
2564 		ieee80211_restart_hw(ar->hw);
2565 		break;
2566 	case ATH10K_STATE_OFF:
2567 		/* this can happen if driver is being unloaded
2568 		 * or if the crash happens during FW probing
2569 		 */
2570 		ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
2571 		break;
2572 	case ATH10K_STATE_RESTARTING:
2573 		/* hw restart might be requested from multiple places */
2574 		break;
2575 	case ATH10K_STATE_RESTARTED:
2576 		ar->state = ATH10K_STATE_WEDGED;
2577 		fallthrough;
2578 	case ATH10K_STATE_WEDGED:
2579 		ath10k_warn(ar, "device is wedged, will not restart\n");
2580 		break;
2581 	case ATH10K_STATE_UTF:
2582 		ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
2583 		break;
2584 	}
2585 
2586 	mutex_unlock(&ar->conf_mutex);
2587 
2588 	ret = ath10k_coredump_submit(ar);
2589 	if (ret)
2590 		ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
2591 			    ret);
2592 
2593 	complete(&ar->driver_recovery);
2594 }
2595 
2596 static void ath10k_core_set_coverage_class_work(struct work_struct *work)
2597 {
2598 	struct ath10k *ar = container_of(work, struct ath10k,
2599 					 set_coverage_class_work);
2600 
2601 	if (ar->hw_params.hw_ops->set_coverage_class)
2602 		ar->hw_params.hw_ops->set_coverage_class(ar, -1);
2603 }
2604 
2605 static int ath10k_core_init_firmware_features(struct ath10k *ar)
2606 {
2607 	struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2608 	int max_num_peers;
2609 
2610 	if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
2611 	    !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2612 		ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
2613 		return -EINVAL;
2614 	}
2615 
2616 	if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
2617 		ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
2618 			   ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
2619 		return -EINVAL;
2620 	}
2621 
2622 	ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
2623 	switch (ath10k_cryptmode_param) {
2624 	case ATH10K_CRYPT_MODE_HW:
2625 		clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2626 		clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2627 		break;
2628 	case ATH10K_CRYPT_MODE_SW:
2629 		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2630 			      fw_file->fw_features)) {
2631 			ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
2632 			return -EINVAL;
2633 		}
2634 
2635 		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2636 		set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2637 		break;
2638 	default:
2639 		ath10k_info(ar, "invalid cryptmode: %d\n",
2640 			    ath10k_cryptmode_param);
2641 		return -EINVAL;
2642 	}
2643 
2644 	ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
2645 	ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
2646 
2647 	if (ath10k_frame_mode == ATH10K_HW_TXRX_RAW) {
2648 		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2649 			      fw_file->fw_features)) {
2650 			ath10k_err(ar, "rawmode = 1 requires support from firmware");
2651 			return -EINVAL;
2652 		}
2653 		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2654 	}
2655 
2656 	if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
2657 		ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
2658 
2659 		/* Workaround:
2660 		 *
2661 		 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
2662 		 * and causes enormous performance issues (malformed frames,
2663 		 * etc).
2664 		 *
2665 		 * Disabling A-MSDU makes RAW mode stable with heavy traffic
2666 		 * albeit a bit slower compared to regular operation.
2667 		 */
2668 		ar->htt.max_num_amsdu = 1;
2669 	}
2670 
2671 	/* Backwards compatibility for firmwares without
2672 	 * ATH10K_FW_IE_WMI_OP_VERSION.
2673 	 */
2674 	if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
2675 		if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2676 			if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
2677 				     fw_file->fw_features))
2678 				fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
2679 			else
2680 				fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
2681 		} else {
2682 			fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
2683 		}
2684 	}
2685 
2686 	switch (fw_file->wmi_op_version) {
2687 	case ATH10K_FW_WMI_OP_VERSION_MAIN:
2688 		max_num_peers = TARGET_NUM_PEERS;
2689 		ar->max_num_stations = TARGET_NUM_STATIONS;
2690 		ar->max_num_vdevs = TARGET_NUM_VDEVS;
2691 		ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
2692 		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2693 			WMI_STAT_PEER;
2694 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2695 		break;
2696 	case ATH10K_FW_WMI_OP_VERSION_10_1:
2697 	case ATH10K_FW_WMI_OP_VERSION_10_2:
2698 	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2699 		if (ath10k_peer_stats_enabled(ar)) {
2700 			max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
2701 			ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
2702 		} else {
2703 			max_num_peers = TARGET_10X_NUM_PEERS;
2704 			ar->max_num_stations = TARGET_10X_NUM_STATIONS;
2705 		}
2706 		ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
2707 		ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
2708 		ar->fw_stats_req_mask = WMI_STAT_PEER;
2709 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2710 		break;
2711 	case ATH10K_FW_WMI_OP_VERSION_TLV:
2712 		max_num_peers = TARGET_TLV_NUM_PEERS;
2713 		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
2714 		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
2715 		ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
2716 		if (ar->hif.bus == ATH10K_BUS_SDIO)
2717 			ar->htt.max_num_pending_tx =
2718 				TARGET_TLV_NUM_MSDU_DESC_HL;
2719 		else
2720 			ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
2721 		ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
2722 		ar->fw_stats_req_mask = WMI_TLV_STAT_PDEV | WMI_TLV_STAT_VDEV |
2723 			WMI_TLV_STAT_PEER | WMI_TLV_STAT_PEER_EXTD;
2724 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2725 		ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC;
2726 		break;
2727 	case ATH10K_FW_WMI_OP_VERSION_10_4:
2728 		max_num_peers = TARGET_10_4_NUM_PEERS;
2729 		ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
2730 		ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
2731 		ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
2732 		ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
2733 		ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
2734 					WMI_10_4_STAT_PEER_EXTD |
2735 					WMI_10_4_STAT_VDEV_EXTD;
2736 		ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
2737 		ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
2738 
2739 		if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
2740 			     fw_file->fw_features))
2741 			ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
2742 		else
2743 			ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
2744 		break;
2745 	case ATH10K_FW_WMI_OP_VERSION_UNSET:
2746 	case ATH10K_FW_WMI_OP_VERSION_MAX:
2747 	default:
2748 		WARN_ON(1);
2749 		return -EINVAL;
2750 	}
2751 
2752 	if (ar->hw_params.num_peers)
2753 		ar->max_num_peers = ar->hw_params.num_peers;
2754 	else
2755 		ar->max_num_peers = max_num_peers;
2756 
2757 	/* Backwards compatibility for firmwares without
2758 	 * ATH10K_FW_IE_HTT_OP_VERSION.
2759 	 */
2760 	if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
2761 		switch (fw_file->wmi_op_version) {
2762 		case ATH10K_FW_WMI_OP_VERSION_MAIN:
2763 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
2764 			break;
2765 		case ATH10K_FW_WMI_OP_VERSION_10_1:
2766 		case ATH10K_FW_WMI_OP_VERSION_10_2:
2767 		case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2768 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
2769 			break;
2770 		case ATH10K_FW_WMI_OP_VERSION_TLV:
2771 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
2772 			break;
2773 		case ATH10K_FW_WMI_OP_VERSION_10_4:
2774 		case ATH10K_FW_WMI_OP_VERSION_UNSET:
2775 		case ATH10K_FW_WMI_OP_VERSION_MAX:
2776 			ath10k_err(ar, "htt op version not found from fw meta data");
2777 			return -EINVAL;
2778 		}
2779 	}
2780 
2781 	return 0;
2782 }
2783 
2784 static int ath10k_core_reset_rx_filter(struct ath10k *ar)
2785 {
2786 	int ret;
2787 	int vdev_id;
2788 	int vdev_type;
2789 	int vdev_subtype;
2790 	const u8 *vdev_addr;
2791 
2792 	vdev_id = 0;
2793 	vdev_type = WMI_VDEV_TYPE_STA;
2794 	vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
2795 	vdev_addr = ar->mac_addr;
2796 
2797 	ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
2798 				     vdev_addr);
2799 	if (ret) {
2800 		ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
2801 		return ret;
2802 	}
2803 
2804 	ret = ath10k_wmi_vdev_delete(ar, vdev_id);
2805 	if (ret) {
2806 		ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
2807 		return ret;
2808 	}
2809 
2810 	/* WMI and HTT may use separate HIF pipes and are not guaranteed to be
2811 	 * serialized properly implicitly.
2812 	 *
2813 	 * Moreover (most) WMI commands have no explicit acknowledges. It is
2814 	 * possible to infer it implicitly by poking firmware with echo
2815 	 * command - getting a reply means all preceding comments have been
2816 	 * (mostly) processed.
2817 	 *
2818 	 * In case of vdev create/delete this is sufficient.
2819 	 *
2820 	 * Without this it's possible to end up with a race when HTT Rx ring is
2821 	 * started before vdev create/delete hack is complete allowing a short
2822 	 * window of opportunity to receive (and Tx ACK) a bunch of frames.
2823 	 */
2824 	ret = ath10k_wmi_barrier(ar);
2825 	if (ret) {
2826 		ath10k_err(ar, "failed to ping firmware: %d\n", ret);
2827 		return ret;
2828 	}
2829 
2830 	return 0;
2831 }
2832 
2833 static int ath10k_core_compat_services(struct ath10k *ar)
2834 {
2835 	struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2836 
2837 	/* all 10.x firmware versions support thermal throttling but don't
2838 	 * advertise the support via service flags so we have to hardcode
2839 	 * it here
2840 	 */
2841 	switch (fw_file->wmi_op_version) {
2842 	case ATH10K_FW_WMI_OP_VERSION_10_1:
2843 	case ATH10K_FW_WMI_OP_VERSION_10_2:
2844 	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2845 	case ATH10K_FW_WMI_OP_VERSION_10_4:
2846 		set_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map);
2847 		break;
2848 	default:
2849 		break;
2850 	}
2851 
2852 	return 0;
2853 }
2854 
2855 #define TGT_IRAM_READ_PER_ITR (8 * 1024)
2856 
2857 static int ath10k_core_copy_target_iram(struct ath10k *ar)
2858 {
2859 	const struct ath10k_hw_mem_layout *hw_mem;
2860 	const struct ath10k_mem_region *tmp, *mem_region = NULL;
2861 	dma_addr_t paddr;
2862 	void *vaddr = NULL;
2863 	u8 num_read_itr;
2864 	int i, ret;
2865 	u32 len, remaining_len;
2866 
2867 	/* copy target iram feature must work also when
2868 	 * ATH10K_FW_CRASH_DUMP_RAM_DATA is disabled, so
2869 	 * _ath10k_coredump_get_mem_layout() to accomplist that
2870 	 */
2871 	hw_mem = _ath10k_coredump_get_mem_layout(ar);
2872 	if (!hw_mem)
2873 		/* if CONFIG_DEV_COREDUMP is disabled we get NULL, then
2874 		 * just silently disable the feature by doing nothing
2875 		 */
2876 		return 0;
2877 
2878 	for (i = 0; i < hw_mem->region_table.size; i++) {
2879 		tmp = &hw_mem->region_table.regions[i];
2880 		if (tmp->type == ATH10K_MEM_REGION_TYPE_REG) {
2881 			mem_region = tmp;
2882 			break;
2883 		}
2884 	}
2885 
2886 	if (!mem_region)
2887 		return -ENOMEM;
2888 
2889 	for (i = 0; i < ar->wmi.num_mem_chunks; i++) {
2890 		if (ar->wmi.mem_chunks[i].req_id ==
2891 		    WMI_IRAM_RECOVERY_HOST_MEM_REQ_ID) {
2892 			vaddr = ar->wmi.mem_chunks[i].vaddr;
2893 			len = ar->wmi.mem_chunks[i].len;
2894 			break;
2895 		}
2896 	}
2897 
2898 	if (!vaddr || !len) {
2899 		ath10k_warn(ar, "No allocated memory for IRAM back up");
2900 		return -ENOMEM;
2901 	}
2902 
2903 	len = (len < mem_region->len) ? len : mem_region->len;
2904 	paddr = mem_region->start;
2905 	num_read_itr = len / TGT_IRAM_READ_PER_ITR;
2906 	remaining_len = len % TGT_IRAM_READ_PER_ITR;
2907 	for (i = 0; i < num_read_itr; i++) {
2908 		ret = ath10k_hif_diag_read(ar, paddr, vaddr,
2909 					   TGT_IRAM_READ_PER_ITR);
2910 		if (ret) {
2911 			ath10k_warn(ar, "failed to copy firmware IRAM contents: %d",
2912 				    ret);
2913 			return ret;
2914 		}
2915 
2916 		paddr += TGT_IRAM_READ_PER_ITR;
2917 		vaddr += TGT_IRAM_READ_PER_ITR;
2918 	}
2919 
2920 	if (remaining_len) {
2921 		ret = ath10k_hif_diag_read(ar, paddr, vaddr, remaining_len);
2922 		if (ret) {
2923 			ath10k_warn(ar, "failed to copy firmware IRAM contents: %d",
2924 				    ret);
2925 			return ret;
2926 		}
2927 	}
2928 
2929 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "target IRAM back up completed\n");
2930 
2931 	return 0;
2932 }
2933 
2934 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
2935 		      const struct ath10k_fw_components *fw)
2936 {
2937 	int status;
2938 	u32 val;
2939 
2940 	lockdep_assert_held(&ar->conf_mutex);
2941 
2942 	clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2943 
2944 	ar->running_fw = fw;
2945 
2946 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2947 		      ar->running_fw->fw_file.fw_features)) {
2948 		ath10k_bmi_start(ar);
2949 
2950 		/* Enable hardware clock to speed up firmware download */
2951 		if (ar->hw_params.hw_ops->enable_pll_clk) {
2952 			status = ar->hw_params.hw_ops->enable_pll_clk(ar);
2953 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot enable pll ret %d\n",
2954 				   status);
2955 		}
2956 
2957 		if (ath10k_init_configure_target(ar)) {
2958 			status = -EINVAL;
2959 			goto err;
2960 		}
2961 
2962 		status = ath10k_download_cal_data(ar);
2963 		if (status)
2964 			goto err;
2965 
2966 		/* Some of qca988x solutions are having global reset issue
2967 		 * during target initialization. Bypassing PLL setting before
2968 		 * downloading firmware and letting the SoC run on REF_CLK is
2969 		 * fixing the problem. Corresponding firmware change is also
2970 		 * needed to set the clock source once the target is
2971 		 * initialized.
2972 		 */
2973 		if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
2974 			     ar->running_fw->fw_file.fw_features)) {
2975 			status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
2976 			if (status) {
2977 				ath10k_err(ar, "could not write to skip_clock_init: %d\n",
2978 					   status);
2979 				goto err;
2980 			}
2981 		}
2982 
2983 		status = ath10k_download_fw(ar);
2984 		if (status)
2985 			goto err;
2986 
2987 		status = ath10k_init_uart(ar);
2988 		if (status)
2989 			goto err;
2990 
2991 		if (ar->hif.bus == ATH10K_BUS_SDIO) {
2992 			status = ath10k_init_sdio(ar, mode);
2993 			if (status) {
2994 				ath10k_err(ar, "failed to init SDIO: %d\n", status);
2995 				goto err;
2996 			}
2997 		}
2998 	}
2999 
3000 	ar->htc.htc_ops.target_send_suspend_complete =
3001 		ath10k_send_suspend_complete;
3002 
3003 	status = ath10k_htc_init(ar);
3004 	if (status) {
3005 		ath10k_err(ar, "could not init HTC (%d)\n", status);
3006 		goto err;
3007 	}
3008 
3009 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3010 		      ar->running_fw->fw_file.fw_features)) {
3011 		status = ath10k_bmi_done(ar);
3012 		if (status)
3013 			goto err;
3014 	}
3015 
3016 	status = ath10k_wmi_attach(ar);
3017 	if (status) {
3018 		ath10k_err(ar, "WMI attach failed: %d\n", status);
3019 		goto err;
3020 	}
3021 
3022 	status = ath10k_htt_init(ar);
3023 	if (status) {
3024 		ath10k_err(ar, "failed to init htt: %d\n", status);
3025 		goto err_wmi_detach;
3026 	}
3027 
3028 	status = ath10k_htt_tx_start(&ar->htt);
3029 	if (status) {
3030 		ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
3031 		goto err_wmi_detach;
3032 	}
3033 
3034 	/* If firmware indicates Full Rx Reorder support it must be used in a
3035 	 * slightly different manner. Let HTT code know.
3036 	 */
3037 	ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
3038 						ar->wmi.svc_map));
3039 
3040 	status = ath10k_htt_rx_alloc(&ar->htt);
3041 	if (status) {
3042 		ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
3043 		goto err_htt_tx_detach;
3044 	}
3045 
3046 	status = ath10k_hif_start(ar);
3047 	if (status) {
3048 		ath10k_err(ar, "could not start HIF: %d\n", status);
3049 		goto err_htt_rx_detach;
3050 	}
3051 
3052 	status = ath10k_htc_wait_target(&ar->htc);
3053 	if (status) {
3054 		ath10k_err(ar, "failed to connect to HTC: %d\n", status);
3055 		goto err_hif_stop;
3056 	}
3057 
3058 	status = ath10k_hif_start_post(ar);
3059 	if (status) {
3060 		ath10k_err(ar, "failed to swap mailbox: %d\n", status);
3061 		goto err_hif_stop;
3062 	}
3063 
3064 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3065 		status = ath10k_htt_connect(&ar->htt);
3066 		if (status) {
3067 			ath10k_err(ar, "failed to connect htt (%d)\n", status);
3068 			goto err_hif_stop;
3069 		}
3070 	}
3071 
3072 	status = ath10k_wmi_connect(ar);
3073 	if (status) {
3074 		ath10k_err(ar, "could not connect wmi: %d\n", status);
3075 		goto err_hif_stop;
3076 	}
3077 
3078 	status = ath10k_htc_start(&ar->htc);
3079 	if (status) {
3080 		ath10k_err(ar, "failed to start htc: %d\n", status);
3081 		goto err_hif_stop;
3082 	}
3083 
3084 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3085 		status = ath10k_wmi_wait_for_service_ready(ar);
3086 		if (status) {
3087 			ath10k_warn(ar, "wmi service ready event not received");
3088 			goto err_hif_stop;
3089 		}
3090 	}
3091 
3092 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
3093 		   ar->hw->wiphy->fw_version);
3094 
3095 	if (test_bit(ATH10K_FW_FEATURE_IRAM_RECOVERY,
3096 		     ar->running_fw->fw_file.fw_features)) {
3097 		status = ath10k_core_copy_target_iram(ar);
3098 		if (status) {
3099 			ath10k_warn(ar, "failed to copy target iram contents: %d",
3100 				    status);
3101 			goto err_hif_stop;
3102 		}
3103 	}
3104 
3105 	if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
3106 	    mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3107 		val = 0;
3108 		if (ath10k_peer_stats_enabled(ar))
3109 			val = WMI_10_4_PEER_STATS;
3110 
3111 		/* Enable vdev stats by default */
3112 		val |= WMI_10_4_VDEV_STATS;
3113 
3114 		if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
3115 			val |= WMI_10_4_BSS_CHANNEL_INFO_64;
3116 
3117 		ath10k_core_fetch_btcoex_dt(ar);
3118 
3119 		/* 10.4 firmware supports BT-Coex without reloading firmware
3120 		 * via pdev param. To support Bluetooth coexistence pdev param,
3121 		 * WMI_COEX_GPIO_SUPPORT of extended resource config should be
3122 		 * enabled always.
3123 		 *
3124 		 * We can still enable BTCOEX if firmware has the support
3125 		 * even though btceox_support value is
3126 		 * ATH10K_DT_BTCOEX_NOT_FOUND
3127 		 */
3128 
3129 		if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
3130 		    test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
3131 			     ar->running_fw->fw_file.fw_features) &&
3132 		    ar->coex_support)
3133 			val |= WMI_10_4_COEX_GPIO_SUPPORT;
3134 
3135 		if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
3136 			     ar->wmi.svc_map))
3137 			val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
3138 
3139 		if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
3140 			     ar->wmi.svc_map))
3141 			val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
3142 
3143 		if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI,
3144 			     ar->wmi.svc_map))
3145 			val |= WMI_10_4_TX_DATA_ACK_RSSI;
3146 
3147 		if (test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map))
3148 			val |= WMI_10_4_REPORT_AIRTIME;
3149 
3150 		if (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT,
3151 			     ar->wmi.svc_map))
3152 			val |= WMI_10_4_EXT_PEER_TID_CONFIGS_SUPPORT;
3153 
3154 		status = ath10k_mac_ext_resource_config(ar, val);
3155 		if (status) {
3156 			ath10k_err(ar,
3157 				   "failed to send ext resource cfg command : %d\n",
3158 				   status);
3159 			goto err_hif_stop;
3160 		}
3161 	}
3162 
3163 	status = ath10k_wmi_cmd_init(ar);
3164 	if (status) {
3165 		ath10k_err(ar, "could not send WMI init command (%d)\n",
3166 			   status);
3167 		goto err_hif_stop;
3168 	}
3169 
3170 	status = ath10k_wmi_wait_for_unified_ready(ar);
3171 	if (status) {
3172 		ath10k_err(ar, "wmi unified ready event not received\n");
3173 		goto err_hif_stop;
3174 	}
3175 
3176 	status = ath10k_core_compat_services(ar);
3177 	if (status) {
3178 		ath10k_err(ar, "compat services failed: %d\n", status);
3179 		goto err_hif_stop;
3180 	}
3181 
3182 	status = ath10k_wmi_pdev_set_base_macaddr(ar, ar->mac_addr);
3183 	if (status && status != -EOPNOTSUPP) {
3184 		ath10k_err(ar,
3185 			   "failed to set base mac address: %d\n", status);
3186 		goto err_hif_stop;
3187 	}
3188 
3189 	/* Some firmware revisions do not properly set up hardware rx filter
3190 	 * registers.
3191 	 *
3192 	 * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
3193 	 * is filled with 0s instead of 1s allowing HW to respond with ACKs to
3194 	 * any frames that matches MAC_PCU_RX_FILTER which is also
3195 	 * misconfigured to accept anything.
3196 	 *
3197 	 * The ADDR1 is programmed using internal firmware structure field and
3198 	 * can't be (easily/sanely) reached from the driver explicitly. It is
3199 	 * possible to implicitly make it correct by creating a dummy vdev and
3200 	 * then deleting it.
3201 	 */
3202 	if (ar->hw_params.hw_filter_reset_required &&
3203 	    mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3204 		status = ath10k_core_reset_rx_filter(ar);
3205 		if (status) {
3206 			ath10k_err(ar,
3207 				   "failed to reset rx filter: %d\n", status);
3208 			goto err_hif_stop;
3209 		}
3210 	}
3211 
3212 	status = ath10k_htt_rx_ring_refill(ar);
3213 	if (status) {
3214 		ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
3215 		goto err_hif_stop;
3216 	}
3217 
3218 	if (ar->max_num_vdevs >= 64)
3219 		ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
3220 	else
3221 		ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
3222 
3223 	INIT_LIST_HEAD(&ar->arvifs);
3224 
3225 	/* we don't care about HTT in UTF mode */
3226 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3227 		status = ath10k_htt_setup(&ar->htt);
3228 		if (status) {
3229 			ath10k_err(ar, "failed to setup htt: %d\n", status);
3230 			goto err_hif_stop;
3231 		}
3232 	}
3233 
3234 	status = ath10k_debug_start(ar);
3235 	if (status)
3236 		goto err_hif_stop;
3237 
3238 	status = ath10k_hif_set_target_log_mode(ar, fw_diag_log);
3239 	if (status && status != -EOPNOTSUPP) {
3240 		ath10k_warn(ar, "set target log mode failed: %d\n", status);
3241 		goto err_hif_stop;
3242 	}
3243 
3244 	status = ath10k_leds_start(ar);
3245 	if (status)
3246 		goto err_hif_stop;
3247 
3248 	return 0;
3249 
3250 err_hif_stop:
3251 	ath10k_hif_stop(ar);
3252 err_htt_rx_detach:
3253 	ath10k_htt_rx_free(&ar->htt);
3254 err_htt_tx_detach:
3255 	ath10k_htt_tx_free(&ar->htt);
3256 err_wmi_detach:
3257 	ath10k_wmi_detach(ar);
3258 err:
3259 	return status;
3260 }
3261 EXPORT_SYMBOL(ath10k_core_start);
3262 
3263 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
3264 {
3265 	int ret;
3266 	unsigned long time_left;
3267 
3268 	reinit_completion(&ar->target_suspend);
3269 
3270 	ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
3271 	if (ret) {
3272 		ath10k_warn(ar, "could not suspend target (%d)\n", ret);
3273 		return ret;
3274 	}
3275 
3276 	time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
3277 
3278 	if (!time_left) {
3279 		ath10k_warn(ar, "suspend timed out - target pause event never came\n");
3280 		return -ETIMEDOUT;
3281 	}
3282 
3283 	return 0;
3284 }
3285 
3286 void ath10k_core_stop(struct ath10k *ar)
3287 {
3288 	lockdep_assert_held(&ar->conf_mutex);
3289 	ath10k_debug_stop(ar);
3290 
3291 	/* try to suspend target */
3292 	if (ar->state != ATH10K_STATE_RESTARTING &&
3293 	    ar->state != ATH10K_STATE_UTF)
3294 		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
3295 
3296 	ath10k_hif_stop(ar);
3297 	ath10k_htt_tx_stop(&ar->htt);
3298 	ath10k_htt_rx_free(&ar->htt);
3299 	ath10k_wmi_detach(ar);
3300 
3301 	ar->id.bmi_ids_valid = false;
3302 }
3303 EXPORT_SYMBOL(ath10k_core_stop);
3304 
3305 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
3306  * order to know what hw capabilities should be advertised to mac80211 it is
3307  * necessary to load the firmware (and tear it down immediately since start
3308  * hook will try to init it again) before registering
3309  */
3310 static int ath10k_core_probe_fw(struct ath10k *ar)
3311 {
3312 	struct bmi_target_info target_info;
3313 	int ret = 0;
3314 
3315 	ret = ath10k_hif_power_up(ar, ATH10K_FIRMWARE_MODE_NORMAL);
3316 	if (ret) {
3317 		ath10k_err(ar, "could not power on hif bus (%d)\n", ret);
3318 		return ret;
3319 	}
3320 
3321 	switch (ar->hif.bus) {
3322 	case ATH10K_BUS_SDIO:
3323 		memset(&target_info, 0, sizeof(target_info));
3324 		ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
3325 		if (ret) {
3326 			ath10k_err(ar, "could not get target info (%d)\n", ret);
3327 			goto err_power_down;
3328 		}
3329 		ar->target_version = target_info.version;
3330 		ar->hw->wiphy->hw_version = target_info.version;
3331 		break;
3332 	case ATH10K_BUS_PCI:
3333 	case ATH10K_BUS_AHB:
3334 	case ATH10K_BUS_USB:
3335 		memset(&target_info, 0, sizeof(target_info));
3336 		ret = ath10k_bmi_get_target_info(ar, &target_info);
3337 		if (ret) {
3338 			ath10k_err(ar, "could not get target info (%d)\n", ret);
3339 			goto err_power_down;
3340 		}
3341 		ar->target_version = target_info.version;
3342 		ar->hw->wiphy->hw_version = target_info.version;
3343 		break;
3344 	case ATH10K_BUS_SNOC:
3345 		memset(&target_info, 0, sizeof(target_info));
3346 		ret = ath10k_hif_get_target_info(ar, &target_info);
3347 		if (ret) {
3348 			ath10k_err(ar, "could not get target info (%d)\n", ret);
3349 			goto err_power_down;
3350 		}
3351 		ar->target_version = target_info.version;
3352 		ar->hw->wiphy->hw_version = target_info.version;
3353 		break;
3354 	default:
3355 		ath10k_err(ar, "incorrect hif bus type: %d\n", ar->hif.bus);
3356 	}
3357 
3358 	ret = ath10k_init_hw_params(ar);
3359 	if (ret) {
3360 		ath10k_err(ar, "could not get hw params (%d)\n", ret);
3361 		goto err_power_down;
3362 	}
3363 
3364 	ret = ath10k_core_fetch_firmware_files(ar);
3365 	if (ret) {
3366 		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
3367 		goto err_power_down;
3368 	}
3369 
3370 	BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
3371 		     sizeof(ar->normal_mode_fw.fw_file.fw_version));
3372 	memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
3373 	       sizeof(ar->hw->wiphy->fw_version));
3374 
3375 	ath10k_debug_print_hwfw_info(ar);
3376 
3377 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3378 		      ar->normal_mode_fw.fw_file.fw_features)) {
3379 		ret = ath10k_core_pre_cal_download(ar);
3380 		if (ret) {
3381 			/* pre calibration data download is not necessary
3382 			 * for all the chipsets. Ignore failures and continue.
3383 			 */
3384 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
3385 				   "could not load pre cal data: %d\n", ret);
3386 		}
3387 
3388 		ret = ath10k_core_get_board_id_from_otp(ar);
3389 		if (ret && ret != -EOPNOTSUPP) {
3390 			ath10k_err(ar, "failed to get board id from otp: %d\n",
3391 				   ret);
3392 			goto err_free_firmware_files;
3393 		}
3394 
3395 		ret = ath10k_core_check_smbios(ar);
3396 		if (ret)
3397 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n");
3398 
3399 		ret = ath10k_core_check_dt(ar);
3400 		if (ret)
3401 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n");
3402 
3403 		ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD);
3404 		if (ret) {
3405 			ath10k_err(ar, "failed to fetch board file: %d\n", ret);
3406 			goto err_free_firmware_files;
3407 		}
3408 
3409 		ath10k_debug_print_board_info(ar);
3410 	}
3411 
3412 	device_get_mac_address(ar->dev, ar->mac_addr);
3413 
3414 	ret = ath10k_core_init_firmware_features(ar);
3415 	if (ret) {
3416 		ath10k_err(ar, "fatal problem with firmware features: %d\n",
3417 			   ret);
3418 		goto err_free_firmware_files;
3419 	}
3420 
3421 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3422 		      ar->normal_mode_fw.fw_file.fw_features)) {
3423 		ret = ath10k_swap_code_seg_init(ar,
3424 						&ar->normal_mode_fw.fw_file);
3425 		if (ret) {
3426 			ath10k_err(ar, "failed to initialize code swap segment: %d\n",
3427 				   ret);
3428 			goto err_free_firmware_files;
3429 		}
3430 	}
3431 
3432 	mutex_lock(&ar->conf_mutex);
3433 
3434 	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
3435 				&ar->normal_mode_fw);
3436 	if (ret) {
3437 		ath10k_err(ar, "could not init core (%d)\n", ret);
3438 		goto err_unlock;
3439 	}
3440 
3441 	ath10k_debug_print_boot_info(ar);
3442 	ath10k_core_stop(ar);
3443 
3444 	mutex_unlock(&ar->conf_mutex);
3445 
3446 	ath10k_hif_power_down(ar);
3447 	return 0;
3448 
3449 err_unlock:
3450 	mutex_unlock(&ar->conf_mutex);
3451 
3452 err_free_firmware_files:
3453 	ath10k_core_free_firmware_files(ar);
3454 
3455 err_power_down:
3456 	ath10k_hif_power_down(ar);
3457 
3458 	return ret;
3459 }
3460 
3461 static void ath10k_core_register_work(struct work_struct *work)
3462 {
3463 	struct ath10k *ar = container_of(work, struct ath10k, register_work);
3464 	int status;
3465 
3466 	/* peer stats are enabled by default */
3467 	set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
3468 
3469 	status = ath10k_core_probe_fw(ar);
3470 	if (status) {
3471 		ath10k_err(ar, "could not probe fw (%d)\n", status);
3472 		goto err;
3473 	}
3474 
3475 	status = ath10k_mac_register(ar);
3476 	if (status) {
3477 		ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
3478 		goto err_release_fw;
3479 	}
3480 
3481 	status = ath10k_coredump_register(ar);
3482 	if (status) {
3483 		ath10k_err(ar, "unable to register coredump\n");
3484 		goto err_unregister_mac;
3485 	}
3486 
3487 	status = ath10k_debug_register(ar);
3488 	if (status) {
3489 		ath10k_err(ar, "unable to initialize debugfs\n");
3490 		goto err_unregister_coredump;
3491 	}
3492 
3493 	status = ath10k_spectral_create(ar);
3494 	if (status) {
3495 		ath10k_err(ar, "failed to initialize spectral\n");
3496 		goto err_debug_destroy;
3497 	}
3498 
3499 	status = ath10k_thermal_register(ar);
3500 	if (status) {
3501 		ath10k_err(ar, "could not register thermal device: %d\n",
3502 			   status);
3503 		goto err_spectral_destroy;
3504 	}
3505 
3506 	status = ath10k_leds_register(ar);
3507 	if (status) {
3508 		ath10k_err(ar, "could not register leds: %d\n",
3509 			   status);
3510 		goto err_thermal_unregister;
3511 	}
3512 
3513 	set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
3514 	return;
3515 
3516 err_thermal_unregister:
3517 	ath10k_thermal_unregister(ar);
3518 err_spectral_destroy:
3519 	ath10k_spectral_destroy(ar);
3520 err_debug_destroy:
3521 	ath10k_debug_destroy(ar);
3522 err_unregister_coredump:
3523 	ath10k_coredump_unregister(ar);
3524 err_unregister_mac:
3525 	ath10k_mac_unregister(ar);
3526 err_release_fw:
3527 	ath10k_core_free_firmware_files(ar);
3528 err:
3529 	/* TODO: It's probably a good idea to release device from the driver
3530 	 * but calling device_release_driver() here will cause a deadlock.
3531 	 */
3532 	return;
3533 }
3534 
3535 int ath10k_core_register(struct ath10k *ar,
3536 			 const struct ath10k_bus_params *bus_params)
3537 {
3538 	ar->bus_param = *bus_params;
3539 
3540 	queue_work(ar->workqueue, &ar->register_work);
3541 
3542 	return 0;
3543 }
3544 EXPORT_SYMBOL(ath10k_core_register);
3545 
3546 void ath10k_core_unregister(struct ath10k *ar)
3547 {
3548 	cancel_work_sync(&ar->register_work);
3549 
3550 	if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
3551 		return;
3552 
3553 	ath10k_leds_unregister(ar);
3554 
3555 	ath10k_thermal_unregister(ar);
3556 	/* Stop spectral before unregistering from mac80211 to remove the
3557 	 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
3558 	 * would be already be free'd recursively, leading to a double free.
3559 	 */
3560 	ath10k_spectral_destroy(ar);
3561 
3562 	/* We must unregister from mac80211 before we stop HTC and HIF.
3563 	 * Otherwise we will fail to submit commands to FW and mac80211 will be
3564 	 * unhappy about callback failures.
3565 	 */
3566 	ath10k_mac_unregister(ar);
3567 
3568 	ath10k_testmode_destroy(ar);
3569 
3570 	ath10k_core_free_firmware_files(ar);
3571 	ath10k_core_free_board_files(ar);
3572 
3573 	ath10k_debug_unregister(ar);
3574 }
3575 EXPORT_SYMBOL(ath10k_core_unregister);
3576 
3577 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
3578 				  enum ath10k_bus bus,
3579 				  enum ath10k_hw_rev hw_rev,
3580 				  const struct ath10k_hif_ops *hif_ops)
3581 {
3582 	struct ath10k *ar;
3583 	int ret;
3584 
3585 	ar = ath10k_mac_create(priv_size);
3586 	if (!ar)
3587 		return NULL;
3588 
3589 	ar->ath_common.priv = ar;
3590 	ar->ath_common.hw = ar->hw;
3591 	ar->dev = dev;
3592 	ar->hw_rev = hw_rev;
3593 	ar->hif.ops = hif_ops;
3594 	ar->hif.bus = bus;
3595 
3596 	switch (hw_rev) {
3597 	case ATH10K_HW_QCA988X:
3598 	case ATH10K_HW_QCA9887:
3599 		ar->regs = &qca988x_regs;
3600 		ar->hw_ce_regs = &qcax_ce_regs;
3601 		ar->hw_values = &qca988x_values;
3602 		break;
3603 	case ATH10K_HW_QCA6174:
3604 	case ATH10K_HW_QCA9377:
3605 		ar->regs = &qca6174_regs;
3606 		ar->hw_ce_regs = &qcax_ce_regs;
3607 		ar->hw_values = &qca6174_values;
3608 		break;
3609 	case ATH10K_HW_QCA99X0:
3610 	case ATH10K_HW_QCA9984:
3611 		ar->regs = &qca99x0_regs;
3612 		ar->hw_ce_regs = &qcax_ce_regs;
3613 		ar->hw_values = &qca99x0_values;
3614 		break;
3615 	case ATH10K_HW_QCA9888:
3616 		ar->regs = &qca99x0_regs;
3617 		ar->hw_ce_regs = &qcax_ce_regs;
3618 		ar->hw_values = &qca9888_values;
3619 		break;
3620 	case ATH10K_HW_QCA4019:
3621 		ar->regs = &qca4019_regs;
3622 		ar->hw_ce_regs = &qcax_ce_regs;
3623 		ar->hw_values = &qca4019_values;
3624 		break;
3625 	case ATH10K_HW_WCN3990:
3626 		ar->regs = &wcn3990_regs;
3627 		ar->hw_ce_regs = &wcn3990_ce_regs;
3628 		ar->hw_values = &wcn3990_values;
3629 		break;
3630 	default:
3631 		ath10k_err(ar, "unsupported core hardware revision %d\n",
3632 			   hw_rev);
3633 		ret = -EOPNOTSUPP;
3634 		goto err_free_mac;
3635 	}
3636 
3637 	init_completion(&ar->scan.started);
3638 	init_completion(&ar->scan.completed);
3639 	init_completion(&ar->scan.on_channel);
3640 	init_completion(&ar->target_suspend);
3641 	init_completion(&ar->driver_recovery);
3642 	init_completion(&ar->wow.wakeup_completed);
3643 
3644 	init_completion(&ar->install_key_done);
3645 	init_completion(&ar->vdev_setup_done);
3646 	init_completion(&ar->vdev_delete_done);
3647 	init_completion(&ar->thermal.wmi_sync);
3648 	init_completion(&ar->bss_survey_done);
3649 	init_completion(&ar->peer_delete_done);
3650 	init_completion(&ar->peer_stats_info_complete);
3651 
3652 	INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
3653 
3654 	ar->workqueue = create_singlethread_workqueue("ath10k_wq");
3655 	if (!ar->workqueue)
3656 		goto err_free_mac;
3657 
3658 	ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
3659 	if (!ar->workqueue_aux)
3660 		goto err_free_wq;
3661 
3662 	ar->workqueue_tx_complete =
3663 		create_singlethread_workqueue("ath10k_tx_complete_wq");
3664 	if (!ar->workqueue_tx_complete)
3665 		goto err_free_aux_wq;
3666 
3667 	mutex_init(&ar->conf_mutex);
3668 	mutex_init(&ar->dump_mutex);
3669 	spin_lock_init(&ar->data_lock);
3670 
3671 	for (int ac = 0; ac < IEEE80211_NUM_ACS; ac++)
3672 		spin_lock_init(&ar->queue_lock[ac]);
3673 
3674 	INIT_LIST_HEAD(&ar->peers);
3675 	init_waitqueue_head(&ar->peer_mapping_wq);
3676 	init_waitqueue_head(&ar->htt.empty_tx_wq);
3677 	init_waitqueue_head(&ar->wmi.tx_credits_wq);
3678 
3679 	skb_queue_head_init(&ar->htt.rx_indication_head);
3680 
3681 	init_completion(&ar->offchan_tx_completed);
3682 	INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
3683 	skb_queue_head_init(&ar->offchan_tx_queue);
3684 
3685 	INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
3686 	skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
3687 
3688 	INIT_WORK(&ar->register_work, ath10k_core_register_work);
3689 	INIT_WORK(&ar->restart_work, ath10k_core_restart);
3690 	INIT_WORK(&ar->set_coverage_class_work,
3691 		  ath10k_core_set_coverage_class_work);
3692 
3693 	ar->napi_dev = alloc_netdev_dummy(0);
3694 	if (!ar->napi_dev)
3695 		goto err_free_tx_complete;
3696 
3697 	ret = ath10k_coredump_create(ar);
3698 	if (ret)
3699 		goto err_free_netdev;
3700 
3701 	ret = ath10k_debug_create(ar);
3702 	if (ret)
3703 		goto err_free_coredump;
3704 
3705 	return ar;
3706 
3707 err_free_coredump:
3708 	ath10k_coredump_destroy(ar);
3709 err_free_netdev:
3710 	free_netdev(ar->napi_dev);
3711 err_free_tx_complete:
3712 	destroy_workqueue(ar->workqueue_tx_complete);
3713 err_free_aux_wq:
3714 	destroy_workqueue(ar->workqueue_aux);
3715 err_free_wq:
3716 	destroy_workqueue(ar->workqueue);
3717 err_free_mac:
3718 	ath10k_mac_destroy(ar);
3719 
3720 	return NULL;
3721 }
3722 EXPORT_SYMBOL(ath10k_core_create);
3723 
3724 void ath10k_core_destroy(struct ath10k *ar)
3725 {
3726 	destroy_workqueue(ar->workqueue);
3727 
3728 	destroy_workqueue(ar->workqueue_aux);
3729 
3730 	destroy_workqueue(ar->workqueue_tx_complete);
3731 
3732 	free_netdev(ar->napi_dev);
3733 	ath10k_debug_destroy(ar);
3734 	ath10k_coredump_destroy(ar);
3735 	ath10k_htt_tx_destroy(&ar->htt);
3736 	ath10k_wmi_free_host_mem(ar);
3737 	ath10k_mac_destroy(ar);
3738 }
3739 EXPORT_SYMBOL(ath10k_core_destroy);
3740 
3741 MODULE_AUTHOR("Qualcomm Atheros");
3742 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
3743 MODULE_LICENSE("Dual BSD/GPL");
3744