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 */
7
8 #include <linux/module.h>
9 #include <linux/firmware.h>
10 #include <linux/of.h>
11 #include <linux/property.h>
12 #include <linux/dmi.h>
13 #include <linux/ctype.h>
14 #include <linux/pm_qos.h>
15 #include <asm/byteorder.h>
16
17 #include "core.h"
18 #include "mac.h"
19 #include "htc.h"
20 #include "hif.h"
21 #include "wmi.h"
22 #include "bmi.h"
23 #include "debug.h"
24 #include "htt.h"
25 #include "testmode.h"
26 #include "wmi-ops.h"
27 #include "coredump.h"
28
29 unsigned int ath10k_debug_mask;
30 EXPORT_SYMBOL(ath10k_debug_mask);
31
32 static unsigned int ath10k_cryptmode_param;
33 static bool uart_print;
34 static bool skip_otp;
35 static bool rawmode;
36 static bool fw_diag_log;
37
38 unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
39 BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
40
41 /* FIXME: most of these should be readonly */
42 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
43 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
44 module_param(uart_print, bool, 0644);
45 module_param(skip_otp, bool, 0644);
46 module_param(rawmode, bool, 0644);
47 module_param(fw_diag_log, bool, 0644);
48 module_param_named(coredump_mask, ath10k_coredump_mask, ulong, 0444);
49
50 MODULE_PARM_DESC(debug_mask, "Debugging mask");
51 MODULE_PARM_DESC(uart_print, "Uart target debugging");
52 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
53 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
54 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
55 MODULE_PARM_DESC(coredump_mask, "Bitfield of what to include in firmware crash file");
56 MODULE_PARM_DESC(fw_diag_log, "Diag based fw log debugging");
57
58 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
59 {
60 .id = QCA988X_HW_2_0_VERSION,
61 .dev_id = QCA988X_2_0_DEVICE_ID,
62 .bus = ATH10K_BUS_PCI,
63 .name = "qca988x hw2.0",
64 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
65 .uart_pin = 7,
66 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
67 .otp_exe_param = 0,
68 .channel_counters_freq_hz = 88000,
69 .max_probe_resp_desc_thres = 0,
70 .cal_data_len = 2116,
71 .fw = {
72 .dir = QCA988X_HW_2_0_FW_DIR,
73 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
74 .board_size = QCA988X_BOARD_DATA_SZ,
75 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
76 },
77 .hw_ops = &qca988x_ops,
78 .decap_align_bytes = 4,
79 .spectral_bin_discard = 0,
80 .spectral_bin_offset = 0,
81 .vht160_mcs_rx_highest = 0,
82 .vht160_mcs_tx_highest = 0,
83 .n_cipher_suites = 8,
84 .ast_skid_limit = 0x10,
85 .num_wds_entries = 0x20,
86 .target_64bit = false,
87 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
88 .shadow_reg_support = false,
89 .rri_on_ddr = false,
90 .hw_filter_reset_required = true,
91 .fw_diag_ce_download = false,
92 .tx_stats_over_pktlog = true,
93 },
94 {
95 .id = QCA988X_HW_2_0_VERSION,
96 .dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
97 .name = "qca988x hw2.0 ubiquiti",
98 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
99 .uart_pin = 7,
100 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
101 .otp_exe_param = 0,
102 .channel_counters_freq_hz = 88000,
103 .max_probe_resp_desc_thres = 0,
104 .cal_data_len = 2116,
105 .fw = {
106 .dir = QCA988X_HW_2_0_FW_DIR,
107 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
108 .board_size = QCA988X_BOARD_DATA_SZ,
109 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
110 },
111 .hw_ops = &qca988x_ops,
112 .decap_align_bytes = 4,
113 .spectral_bin_discard = 0,
114 .spectral_bin_offset = 0,
115 .vht160_mcs_rx_highest = 0,
116 .vht160_mcs_tx_highest = 0,
117 .n_cipher_suites = 8,
118 .ast_skid_limit = 0x10,
119 .num_wds_entries = 0x20,
120 .target_64bit = false,
121 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
122 .shadow_reg_support = false,
123 .rri_on_ddr = false,
124 .hw_filter_reset_required = true,
125 .fw_diag_ce_download = false,
126 .tx_stats_over_pktlog = true,
127 },
128 {
129 .id = QCA9887_HW_1_0_VERSION,
130 .dev_id = QCA9887_1_0_DEVICE_ID,
131 .bus = ATH10K_BUS_PCI,
132 .name = "qca9887 hw1.0",
133 .patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
134 .uart_pin = 7,
135 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
136 .otp_exe_param = 0,
137 .channel_counters_freq_hz = 88000,
138 .max_probe_resp_desc_thres = 0,
139 .cal_data_len = 2116,
140 .fw = {
141 .dir = QCA9887_HW_1_0_FW_DIR,
142 .board = QCA9887_HW_1_0_BOARD_DATA_FILE,
143 .board_size = QCA9887_BOARD_DATA_SZ,
144 .board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
145 },
146 .hw_ops = &qca988x_ops,
147 .decap_align_bytes = 4,
148 .spectral_bin_discard = 0,
149 .spectral_bin_offset = 0,
150 .vht160_mcs_rx_highest = 0,
151 .vht160_mcs_tx_highest = 0,
152 .n_cipher_suites = 8,
153 .ast_skid_limit = 0x10,
154 .num_wds_entries = 0x20,
155 .target_64bit = false,
156 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
157 .shadow_reg_support = false,
158 .rri_on_ddr = false,
159 .hw_filter_reset_required = true,
160 .fw_diag_ce_download = false,
161 .tx_stats_over_pktlog = false,
162 },
163 {
164 .id = QCA6174_HW_3_2_VERSION,
165 .dev_id = QCA6174_3_2_DEVICE_ID,
166 .bus = ATH10K_BUS_SDIO,
167 .name = "qca6174 hw3.2 sdio",
168 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
169 .uart_pin = 19,
170 .otp_exe_param = 0,
171 .channel_counters_freq_hz = 88000,
172 .max_probe_resp_desc_thres = 0,
173 .cal_data_len = 0,
174 .fw = {
175 .dir = QCA6174_HW_3_0_FW_DIR,
176 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
177 .board_size = QCA6174_BOARD_DATA_SZ,
178 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
179 },
180 .hw_ops = &qca6174_sdio_ops,
181 .hw_clk = qca6174_clk,
182 .target_cpu_freq = 176000000,
183 .decap_align_bytes = 4,
184 .n_cipher_suites = 8,
185 .num_peers = 10,
186 .ast_skid_limit = 0x10,
187 .num_wds_entries = 0x20,
188 .uart_pin_workaround = true,
189 .tx_stats_over_pktlog = false,
190 .bmi_large_size_download = true,
191 .supports_peer_stats_info = true,
192 },
193 {
194 .id = QCA6174_HW_2_1_VERSION,
195 .dev_id = QCA6164_2_1_DEVICE_ID,
196 .bus = ATH10K_BUS_PCI,
197 .name = "qca6164 hw2.1",
198 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
199 .uart_pin = 6,
200 .otp_exe_param = 0,
201 .channel_counters_freq_hz = 88000,
202 .max_probe_resp_desc_thres = 0,
203 .cal_data_len = 8124,
204 .fw = {
205 .dir = QCA6174_HW_2_1_FW_DIR,
206 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
207 .board_size = QCA6174_BOARD_DATA_SZ,
208 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
209 },
210 .hw_ops = &qca988x_ops,
211 .decap_align_bytes = 4,
212 .spectral_bin_discard = 0,
213 .spectral_bin_offset = 0,
214 .vht160_mcs_rx_highest = 0,
215 .vht160_mcs_tx_highest = 0,
216 .n_cipher_suites = 8,
217 .ast_skid_limit = 0x10,
218 .num_wds_entries = 0x20,
219 .target_64bit = false,
220 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
221 .shadow_reg_support = false,
222 .rri_on_ddr = false,
223 .hw_filter_reset_required = true,
224 .fw_diag_ce_download = false,
225 .tx_stats_over_pktlog = false,
226 },
227 {
228 .id = QCA6174_HW_2_1_VERSION,
229 .dev_id = QCA6174_2_1_DEVICE_ID,
230 .bus = ATH10K_BUS_PCI,
231 .name = "qca6174 hw2.1",
232 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
233 .uart_pin = 6,
234 .otp_exe_param = 0,
235 .channel_counters_freq_hz = 88000,
236 .max_probe_resp_desc_thres = 0,
237 .cal_data_len = 8124,
238 .fw = {
239 .dir = QCA6174_HW_2_1_FW_DIR,
240 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
241 .board_size = QCA6174_BOARD_DATA_SZ,
242 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
243 },
244 .hw_ops = &qca988x_ops,
245 .decap_align_bytes = 4,
246 .spectral_bin_discard = 0,
247 .spectral_bin_offset = 0,
248 .vht160_mcs_rx_highest = 0,
249 .vht160_mcs_tx_highest = 0,
250 .n_cipher_suites = 8,
251 .ast_skid_limit = 0x10,
252 .num_wds_entries = 0x20,
253 .target_64bit = false,
254 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
255 .shadow_reg_support = false,
256 .rri_on_ddr = false,
257 .hw_filter_reset_required = true,
258 .fw_diag_ce_download = false,
259 .tx_stats_over_pktlog = false,
260 },
261 {
262 .id = QCA6174_HW_3_0_VERSION,
263 .dev_id = QCA6174_2_1_DEVICE_ID,
264 .bus = ATH10K_BUS_PCI,
265 .name = "qca6174 hw3.0",
266 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
267 .uart_pin = 6,
268 .otp_exe_param = 0,
269 .channel_counters_freq_hz = 88000,
270 .max_probe_resp_desc_thres = 0,
271 .cal_data_len = 8124,
272 .fw = {
273 .dir = QCA6174_HW_3_0_FW_DIR,
274 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
275 .board_size = QCA6174_BOARD_DATA_SZ,
276 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
277 },
278 .hw_ops = &qca988x_ops,
279 .decap_align_bytes = 4,
280 .spectral_bin_discard = 0,
281 .spectral_bin_offset = 0,
282 .vht160_mcs_rx_highest = 0,
283 .vht160_mcs_tx_highest = 0,
284 .n_cipher_suites = 8,
285 .ast_skid_limit = 0x10,
286 .num_wds_entries = 0x20,
287 .target_64bit = false,
288 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
289 .shadow_reg_support = false,
290 .rri_on_ddr = false,
291 .hw_filter_reset_required = true,
292 .fw_diag_ce_download = false,
293 .tx_stats_over_pktlog = false,
294 },
295 {
296 .id = QCA6174_HW_3_2_VERSION,
297 .dev_id = QCA6174_2_1_DEVICE_ID,
298 .bus = ATH10K_BUS_PCI,
299 .name = "qca6174 hw3.2",
300 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
301 .uart_pin = 6,
302 .otp_exe_param = 0,
303 .channel_counters_freq_hz = 88000,
304 .max_probe_resp_desc_thres = 0,
305 .cal_data_len = 8124,
306 .fw = {
307 /* uses same binaries as hw3.0 */
308 .dir = QCA6174_HW_3_0_FW_DIR,
309 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
310 .board_size = QCA6174_BOARD_DATA_SZ,
311 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
312 },
313 .hw_ops = &qca6174_ops,
314 .hw_clk = qca6174_clk,
315 .target_cpu_freq = 176000000,
316 .decap_align_bytes = 4,
317 .spectral_bin_discard = 0,
318 .spectral_bin_offset = 0,
319 .vht160_mcs_rx_highest = 0,
320 .vht160_mcs_tx_highest = 0,
321 .n_cipher_suites = 8,
322 .ast_skid_limit = 0x10,
323 .num_wds_entries = 0x20,
324 .target_64bit = false,
325 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
326 .shadow_reg_support = false,
327 .rri_on_ddr = false,
328 .hw_filter_reset_required = true,
329 .fw_diag_ce_download = true,
330 .tx_stats_over_pktlog = false,
331 .supports_peer_stats_info = true,
332 },
333 {
334 .id = QCA99X0_HW_2_0_DEV_VERSION,
335 .dev_id = QCA99X0_2_0_DEVICE_ID,
336 .bus = ATH10K_BUS_PCI,
337 .name = "qca99x0 hw2.0",
338 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
339 .uart_pin = 7,
340 .otp_exe_param = 0x00000700,
341 .continuous_frag_desc = true,
342 .cck_rate_map_rev2 = true,
343 .channel_counters_freq_hz = 150000,
344 .max_probe_resp_desc_thres = 24,
345 .tx_chain_mask = 0xf,
346 .rx_chain_mask = 0xf,
347 .max_spatial_stream = 4,
348 .cal_data_len = 12064,
349 .fw = {
350 .dir = QCA99X0_HW_2_0_FW_DIR,
351 .board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
352 .board_size = QCA99X0_BOARD_DATA_SZ,
353 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
354 },
355 .sw_decrypt_mcast_mgmt = true,
356 .hw_ops = &qca99x0_ops,
357 .decap_align_bytes = 1,
358 .spectral_bin_discard = 4,
359 .spectral_bin_offset = 0,
360 .vht160_mcs_rx_highest = 0,
361 .vht160_mcs_tx_highest = 0,
362 .n_cipher_suites = 11,
363 .ast_skid_limit = 0x10,
364 .num_wds_entries = 0x20,
365 .target_64bit = false,
366 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
367 .shadow_reg_support = false,
368 .rri_on_ddr = false,
369 .hw_filter_reset_required = true,
370 .fw_diag_ce_download = false,
371 .tx_stats_over_pktlog = false,
372 },
373 {
374 .id = QCA9984_HW_1_0_DEV_VERSION,
375 .dev_id = QCA9984_1_0_DEVICE_ID,
376 .bus = ATH10K_BUS_PCI,
377 .name = "qca9984/qca9994 hw1.0",
378 .patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
379 .uart_pin = 7,
380 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
381 .otp_exe_param = 0x00000700,
382 .continuous_frag_desc = true,
383 .cck_rate_map_rev2 = true,
384 .channel_counters_freq_hz = 150000,
385 .max_probe_resp_desc_thres = 24,
386 .tx_chain_mask = 0xf,
387 .rx_chain_mask = 0xf,
388 .max_spatial_stream = 4,
389 .cal_data_len = 12064,
390 .fw = {
391 .dir = QCA9984_HW_1_0_FW_DIR,
392 .board = QCA9984_HW_1_0_BOARD_DATA_FILE,
393 .eboard = QCA9984_HW_1_0_EBOARD_DATA_FILE,
394 .board_size = QCA99X0_BOARD_DATA_SZ,
395 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
396 .ext_board_size = QCA99X0_EXT_BOARD_DATA_SZ,
397 },
398 .sw_decrypt_mcast_mgmt = true,
399 .hw_ops = &qca99x0_ops,
400 .decap_align_bytes = 1,
401 .spectral_bin_discard = 12,
402 .spectral_bin_offset = 8,
403
404 /* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
405 * or 2x2 160Mhz, long-guard-interval.
406 */
407 .vht160_mcs_rx_highest = 1560,
408 .vht160_mcs_tx_highest = 1560,
409 .n_cipher_suites = 11,
410 .ast_skid_limit = 0x10,
411 .num_wds_entries = 0x20,
412 .target_64bit = false,
413 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
414 .shadow_reg_support = false,
415 .rri_on_ddr = false,
416 .hw_filter_reset_required = true,
417 .fw_diag_ce_download = false,
418 .tx_stats_over_pktlog = false,
419 },
420 {
421 .id = QCA9888_HW_2_0_DEV_VERSION,
422 .dev_id = QCA9888_2_0_DEVICE_ID,
423 .bus = ATH10K_BUS_PCI,
424 .name = "qca9888 hw2.0",
425 .patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
426 .uart_pin = 7,
427 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
428 .otp_exe_param = 0x00000700,
429 .continuous_frag_desc = true,
430 .channel_counters_freq_hz = 150000,
431 .max_probe_resp_desc_thres = 24,
432 .tx_chain_mask = 3,
433 .rx_chain_mask = 3,
434 .max_spatial_stream = 2,
435 .cal_data_len = 12064,
436 .fw = {
437 .dir = QCA9888_HW_2_0_FW_DIR,
438 .board = QCA9888_HW_2_0_BOARD_DATA_FILE,
439 .board_size = QCA99X0_BOARD_DATA_SZ,
440 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
441 },
442 .sw_decrypt_mcast_mgmt = true,
443 .hw_ops = &qca99x0_ops,
444 .decap_align_bytes = 1,
445 .spectral_bin_discard = 12,
446 .spectral_bin_offset = 8,
447
448 /* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
449 * 1x1 160Mhz, long-guard-interval.
450 */
451 .vht160_mcs_rx_highest = 780,
452 .vht160_mcs_tx_highest = 780,
453 .n_cipher_suites = 11,
454 .ast_skid_limit = 0x10,
455 .num_wds_entries = 0x20,
456 .target_64bit = false,
457 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
458 .shadow_reg_support = false,
459 .rri_on_ddr = false,
460 .hw_filter_reset_required = true,
461 .fw_diag_ce_download = false,
462 .tx_stats_over_pktlog = false,
463 },
464 {
465 .id = QCA9377_HW_1_0_DEV_VERSION,
466 .dev_id = QCA9377_1_0_DEVICE_ID,
467 .bus = ATH10K_BUS_PCI,
468 .name = "qca9377 hw1.0",
469 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
470 .uart_pin = 6,
471 .otp_exe_param = 0,
472 .channel_counters_freq_hz = 88000,
473 .max_probe_resp_desc_thres = 0,
474 .cal_data_len = 8124,
475 .fw = {
476 .dir = QCA9377_HW_1_0_FW_DIR,
477 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
478 .board_size = QCA9377_BOARD_DATA_SZ,
479 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
480 },
481 .hw_ops = &qca988x_ops,
482 .decap_align_bytes = 4,
483 .spectral_bin_discard = 0,
484 .spectral_bin_offset = 0,
485 .vht160_mcs_rx_highest = 0,
486 .vht160_mcs_tx_highest = 0,
487 .n_cipher_suites = 8,
488 .ast_skid_limit = 0x10,
489 .num_wds_entries = 0x20,
490 .target_64bit = false,
491 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
492 .shadow_reg_support = false,
493 .rri_on_ddr = false,
494 .hw_filter_reset_required = true,
495 .fw_diag_ce_download = false,
496 .tx_stats_over_pktlog = false,
497 },
498 {
499 .id = QCA9377_HW_1_1_DEV_VERSION,
500 .dev_id = QCA9377_1_0_DEVICE_ID,
501 .bus = ATH10K_BUS_PCI,
502 .name = "qca9377 hw1.1",
503 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
504 .uart_pin = 6,
505 .otp_exe_param = 0,
506 .channel_counters_freq_hz = 88000,
507 .max_probe_resp_desc_thres = 0,
508 .cal_data_len = 8124,
509 .fw = {
510 .dir = QCA9377_HW_1_0_FW_DIR,
511 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
512 .board_size = QCA9377_BOARD_DATA_SZ,
513 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
514 },
515 .hw_ops = &qca6174_ops,
516 .hw_clk = qca6174_clk,
517 .target_cpu_freq = 176000000,
518 .decap_align_bytes = 4,
519 .spectral_bin_discard = 0,
520 .spectral_bin_offset = 0,
521 .vht160_mcs_rx_highest = 0,
522 .vht160_mcs_tx_highest = 0,
523 .n_cipher_suites = 8,
524 .ast_skid_limit = 0x10,
525 .num_wds_entries = 0x20,
526 .target_64bit = false,
527 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
528 .shadow_reg_support = false,
529 .rri_on_ddr = false,
530 .hw_filter_reset_required = true,
531 .fw_diag_ce_download = true,
532 .tx_stats_over_pktlog = false,
533 },
534 {
535 .id = QCA9377_HW_1_1_DEV_VERSION,
536 .dev_id = QCA9377_1_0_DEVICE_ID,
537 .bus = ATH10K_BUS_SDIO,
538 .name = "qca9377 hw1.1 sdio",
539 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
540 .uart_pin = 19,
541 .otp_exe_param = 0,
542 .channel_counters_freq_hz = 88000,
543 .max_probe_resp_desc_thres = 0,
544 .cal_data_len = 8124,
545 .fw = {
546 .dir = QCA9377_HW_1_0_FW_DIR,
547 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
548 .board_size = QCA9377_BOARD_DATA_SZ,
549 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
550 },
551 .hw_ops = &qca6174_ops,
552 .hw_clk = qca6174_clk,
553 .target_cpu_freq = 176000000,
554 .decap_align_bytes = 4,
555 .n_cipher_suites = 8,
556 .num_peers = TARGET_QCA9377_HL_NUM_PEERS,
557 .ast_skid_limit = 0x10,
558 .num_wds_entries = 0x20,
559 .uart_pin_workaround = true,
560 },
561 {
562 .id = QCA4019_HW_1_0_DEV_VERSION,
563 .dev_id = 0,
564 .bus = ATH10K_BUS_AHB,
565 .name = "qca4019 hw1.0",
566 .patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
567 .uart_pin = 7,
568 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
569 .otp_exe_param = 0x0010000,
570 .continuous_frag_desc = true,
571 .cck_rate_map_rev2 = true,
572 .channel_counters_freq_hz = 125000,
573 .max_probe_resp_desc_thres = 24,
574 .tx_chain_mask = 0x3,
575 .rx_chain_mask = 0x3,
576 .max_spatial_stream = 2,
577 .cal_data_len = 12064,
578 .fw = {
579 .dir = QCA4019_HW_1_0_FW_DIR,
580 .board = QCA4019_HW_1_0_BOARD_DATA_FILE,
581 .board_size = QCA4019_BOARD_DATA_SZ,
582 .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
583 },
584 .sw_decrypt_mcast_mgmt = true,
585 .hw_ops = &qca99x0_ops,
586 .decap_align_bytes = 1,
587 .spectral_bin_discard = 4,
588 .spectral_bin_offset = 0,
589 .vht160_mcs_rx_highest = 0,
590 .vht160_mcs_tx_highest = 0,
591 .n_cipher_suites = 11,
592 .ast_skid_limit = 0x10,
593 .num_wds_entries = 0x20,
594 .target_64bit = false,
595 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
596 .shadow_reg_support = false,
597 .rri_on_ddr = false,
598 .hw_filter_reset_required = true,
599 .fw_diag_ce_download = false,
600 .tx_stats_over_pktlog = false,
601 },
602 {
603 .id = WCN3990_HW_1_0_DEV_VERSION,
604 .dev_id = 0,
605 .bus = ATH10K_BUS_SNOC,
606 .name = "wcn3990 hw1.0",
607 .continuous_frag_desc = true,
608 .tx_chain_mask = 0x7,
609 .rx_chain_mask = 0x7,
610 .max_spatial_stream = 4,
611 .fw = {
612 .dir = WCN3990_HW_1_0_FW_DIR,
613 },
614 .sw_decrypt_mcast_mgmt = true,
615 .hw_ops = &wcn3990_ops,
616 .decap_align_bytes = 1,
617 .num_peers = TARGET_HL_TLV_NUM_PEERS,
618 .n_cipher_suites = 11,
619 .ast_skid_limit = TARGET_HL_TLV_AST_SKID_LIMIT,
620 .num_wds_entries = TARGET_HL_TLV_NUM_WDS_ENTRIES,
621 .target_64bit = true,
622 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL_DUAL_MAC,
623 .shadow_reg_support = true,
624 .rri_on_ddr = true,
625 .hw_filter_reset_required = false,
626 .fw_diag_ce_download = false,
627 .tx_stats_over_pktlog = false,
628 },
629 };
630
631 static const char *const ath10k_core_fw_feature_str[] = {
632 [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
633 [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
634 [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
635 [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
636 [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
637 [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
638 [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
639 [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
640 [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
641 [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
642 [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
643 [ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
644 [ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
645 [ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
646 [ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
647 [ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
648 [ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
649 [ATH10K_FW_FEATURE_NO_PS] = "no-ps",
650 [ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
651 [ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
652 [ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL] = "single-chan-info-per-channel",
653 [ATH10K_FW_FEATURE_PEER_FIXED_RATE] = "peer-fixed-rate",
654 };
655
ath10k_core_get_fw_feature_str(char * buf,size_t buf_len,enum ath10k_fw_features feat)656 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
657 size_t buf_len,
658 enum ath10k_fw_features feat)
659 {
660 /* make sure that ath10k_core_fw_feature_str[] gets updated */
661 BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
662 ATH10K_FW_FEATURE_COUNT);
663
664 if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
665 WARN_ON(!ath10k_core_fw_feature_str[feat])) {
666 return scnprintf(buf, buf_len, "bit%d", feat);
667 }
668
669 return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
670 }
671
ath10k_core_get_fw_features_str(struct ath10k * ar,char * buf,size_t buf_len)672 void ath10k_core_get_fw_features_str(struct ath10k *ar,
673 char *buf,
674 size_t buf_len)
675 {
676 size_t len = 0;
677 int i;
678
679 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
680 if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
681 if (len > 0)
682 len += scnprintf(buf + len, buf_len - len, ",");
683
684 len += ath10k_core_get_fw_feature_str(buf + len,
685 buf_len - len,
686 i);
687 }
688 }
689 }
690
ath10k_send_suspend_complete(struct ath10k * ar)691 static void ath10k_send_suspend_complete(struct ath10k *ar)
692 {
693 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
694
695 complete(&ar->target_suspend);
696 }
697
ath10k_init_sdio(struct ath10k * ar,enum ath10k_firmware_mode mode)698 static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode)
699 {
700 int ret;
701 u32 param = 0;
702
703 ret = ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
704 if (ret)
705 return ret;
706
707 ret = ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
708 if (ret)
709 return ret;
710
711 ret = ath10k_bmi_read32(ar, hi_acs_flags, ¶m);
712 if (ret)
713 return ret;
714
715 param |= HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
716
717 if (mode == ATH10K_FIRMWARE_MODE_NORMAL)
718 param |= HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
719 else
720 param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
721
722 if (mode == ATH10K_FIRMWARE_MODE_UTF)
723 param &= ~HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
724 else
725 param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
726
727 ret = ath10k_bmi_write32(ar, hi_acs_flags, param);
728 if (ret)
729 return ret;
730
731 ret = ath10k_bmi_read32(ar, hi_option_flag2, ¶m);
732 if (ret)
733 return ret;
734
735 param |= HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_HOST;
736
737 ret = ath10k_bmi_write32(ar, hi_option_flag2, param);
738 if (ret)
739 return ret;
740
741 return 0;
742 }
743
ath10k_init_configure_target(struct ath10k * ar)744 static int ath10k_init_configure_target(struct ath10k *ar)
745 {
746 u32 param_host;
747 int ret;
748
749 /* tell target which HTC version it is used*/
750 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
751 HTC_PROTOCOL_VERSION);
752 if (ret) {
753 ath10k_err(ar, "settings HTC version failed\n");
754 return ret;
755 }
756
757 /* set the firmware mode to STA/IBSS/AP */
758 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
759 if (ret) {
760 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
761 return ret;
762 }
763
764 /* TODO following parameters need to be re-visited. */
765 /* num_device */
766 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
767 /* Firmware mode */
768 /* FIXME: Why FW_MODE_AP ??.*/
769 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
770 /* mac_addr_method */
771 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
772 /* firmware_bridge */
773 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
774 /* fwsubmode */
775 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
776
777 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
778 if (ret) {
779 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
780 return ret;
781 }
782
783 /* We do all byte-swapping on the host */
784 ret = ath10k_bmi_write32(ar, hi_be, 0);
785 if (ret) {
786 ath10k_err(ar, "setting host CPU BE mode failed\n");
787 return ret;
788 }
789
790 /* FW descriptor/Data swap flags */
791 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
792
793 if (ret) {
794 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
795 return ret;
796 }
797
798 /* Some devices have a special sanity check that verifies the PCI
799 * Device ID is written to this host interest var. It is known to be
800 * required to boot QCA6164.
801 */
802 ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
803 ar->dev_id);
804 if (ret) {
805 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
806 return ret;
807 }
808
809 return 0;
810 }
811
ath10k_fetch_fw_file(struct ath10k * ar,const char * dir,const char * file)812 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
813 const char *dir,
814 const char *file)
815 {
816 char filename[100];
817 const struct firmware *fw;
818 int ret;
819
820 if (file == NULL)
821 return ERR_PTR(-ENOENT);
822
823 if (dir == NULL)
824 dir = ".";
825
826 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
827 ret = firmware_request_nowarn(&fw, filename, ar->dev);
828 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
829 filename, ret);
830
831 if (ret)
832 return ERR_PTR(ret);
833
834 return fw;
835 }
836
ath10k_push_board_ext_data(struct ath10k * ar,const void * data,size_t data_len)837 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
838 size_t data_len)
839 {
840 u32 board_data_size = ar->hw_params.fw.board_size;
841 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
842 u32 board_ext_data_addr;
843 int ret;
844
845 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
846 if (ret) {
847 ath10k_err(ar, "could not read board ext data addr (%d)\n",
848 ret);
849 return ret;
850 }
851
852 ath10k_dbg(ar, ATH10K_DBG_BOOT,
853 "boot push board extended data addr 0x%x\n",
854 board_ext_data_addr);
855
856 if (board_ext_data_addr == 0)
857 return 0;
858
859 if (data_len != (board_data_size + board_ext_data_size)) {
860 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
861 data_len, board_data_size, board_ext_data_size);
862 return -EINVAL;
863 }
864
865 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
866 data + board_data_size,
867 board_ext_data_size);
868 if (ret) {
869 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
870 return ret;
871 }
872
873 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
874 (board_ext_data_size << 16) | 1);
875 if (ret) {
876 ath10k_err(ar, "could not write board ext data bit (%d)\n",
877 ret);
878 return ret;
879 }
880
881 return 0;
882 }
883
ath10k_core_get_board_id_from_otp(struct ath10k * ar)884 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
885 {
886 u32 result, address;
887 u8 board_id, chip_id;
888 bool ext_bid_support;
889 int ret, bmi_board_id_param;
890
891 address = ar->hw_params.patch_load_addr;
892
893 if (!ar->normal_mode_fw.fw_file.otp_data ||
894 !ar->normal_mode_fw.fw_file.otp_len) {
895 ath10k_warn(ar,
896 "failed to retrieve board id because of invalid otp\n");
897 return -ENODATA;
898 }
899
900 if (ar->id.bmi_ids_valid) {
901 ath10k_dbg(ar, ATH10K_DBG_BOOT,
902 "boot already acquired valid otp board id,skip download, board_id %d chip_id %d\n",
903 ar->id.bmi_board_id, ar->id.bmi_chip_id);
904 goto skip_otp_download;
905 }
906
907 ath10k_dbg(ar, ATH10K_DBG_BOOT,
908 "boot upload otp to 0x%x len %zd for board id\n",
909 address, ar->normal_mode_fw.fw_file.otp_len);
910
911 ret = ath10k_bmi_fast_download(ar, address,
912 ar->normal_mode_fw.fw_file.otp_data,
913 ar->normal_mode_fw.fw_file.otp_len);
914 if (ret) {
915 ath10k_err(ar, "could not write otp for board id check: %d\n",
916 ret);
917 return ret;
918 }
919
920 if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
921 ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
922 bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
923 else
924 bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
925
926 ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
927 if (ret) {
928 ath10k_err(ar, "could not execute otp for board id check: %d\n",
929 ret);
930 return ret;
931 }
932
933 board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
934 chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
935 ext_bid_support = (result & ATH10K_BMI_EXT_BOARD_ID_SUPPORT);
936
937 ath10k_dbg(ar, ATH10K_DBG_BOOT,
938 "boot get otp board id result 0x%08x board_id %d chip_id %d ext_bid_support %d\n",
939 result, board_id, chip_id, ext_bid_support);
940
941 ar->id.ext_bid_supported = ext_bid_support;
942
943 if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
944 (board_id == 0)) {
945 ath10k_dbg(ar, ATH10K_DBG_BOOT,
946 "board id does not exist in otp, ignore it\n");
947 return -EOPNOTSUPP;
948 }
949
950 ar->id.bmi_ids_valid = true;
951 ar->id.bmi_board_id = board_id;
952 ar->id.bmi_chip_id = chip_id;
953
954 skip_otp_download:
955
956 return 0;
957 }
958
ath10k_core_check_bdfext(const struct dmi_header * hdr,void * data)959 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
960 {
961 struct ath10k *ar = data;
962 const char *bdf_ext;
963 const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
964 u8 bdf_enabled;
965 int i;
966
967 if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
968 return;
969
970 if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
971 ath10k_dbg(ar, ATH10K_DBG_BOOT,
972 "wrong smbios bdf ext type length (%d).\n",
973 hdr->length);
974 return;
975 }
976
977 bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
978 if (!bdf_enabled) {
979 ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
980 return;
981 }
982
983 /* Only one string exists (per spec) */
984 bdf_ext = (char *)hdr + hdr->length;
985
986 if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
987 ath10k_dbg(ar, ATH10K_DBG_BOOT,
988 "bdf variant magic does not match.\n");
989 return;
990 }
991
992 for (i = 0; i < strlen(bdf_ext); i++) {
993 if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
994 ath10k_dbg(ar, ATH10K_DBG_BOOT,
995 "bdf variant name contains non ascii chars.\n");
996 return;
997 }
998 }
999
1000 /* Copy extension name without magic suffix */
1001 if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
1002 sizeof(ar->id.bdf_ext)) < 0) {
1003 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1004 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1005 bdf_ext);
1006 return;
1007 }
1008
1009 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1010 "found and validated bdf variant smbios_type 0x%x bdf %s\n",
1011 ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
1012 }
1013
ath10k_core_check_smbios(struct ath10k * ar)1014 static int ath10k_core_check_smbios(struct ath10k *ar)
1015 {
1016 ar->id.bdf_ext[0] = '\0';
1017 dmi_walk(ath10k_core_check_bdfext, ar);
1018
1019 if (ar->id.bdf_ext[0] == '\0')
1020 return -ENODATA;
1021
1022 return 0;
1023 }
1024
ath10k_core_check_dt(struct ath10k * ar)1025 int ath10k_core_check_dt(struct ath10k *ar)
1026 {
1027 struct device_node *node;
1028 const char *variant = NULL;
1029
1030 node = ar->dev->of_node;
1031 if (!node)
1032 return -ENOENT;
1033
1034 of_property_read_string(node, "qcom,ath10k-calibration-variant",
1035 &variant);
1036 if (!variant)
1037 return -ENODATA;
1038
1039 if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
1040 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1041 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1042 variant);
1043
1044 return 0;
1045 }
1046 EXPORT_SYMBOL(ath10k_core_check_dt);
1047
ath10k_download_fw(struct ath10k * ar)1048 static int ath10k_download_fw(struct ath10k *ar)
1049 {
1050 u32 address, data_len;
1051 const void *data;
1052 int ret;
1053 struct pm_qos_request latency_qos;
1054
1055 address = ar->hw_params.patch_load_addr;
1056
1057 data = ar->running_fw->fw_file.firmware_data;
1058 data_len = ar->running_fw->fw_file.firmware_len;
1059
1060 ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
1061 if (ret) {
1062 ath10k_err(ar, "failed to configure fw code swap: %d\n",
1063 ret);
1064 return ret;
1065 }
1066
1067 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1068 "boot uploading firmware image %pK len %d\n",
1069 data, data_len);
1070
1071 /* Check if device supports to download firmware via
1072 * diag copy engine. Downloading firmware via diag CE
1073 * greatly reduces the time to download firmware.
1074 */
1075 if (ar->hw_params.fw_diag_ce_download) {
1076 ret = ath10k_hw_diag_fast_download(ar, address,
1077 data, data_len);
1078 if (ret == 0)
1079 /* firmware upload via diag ce was successful */
1080 return 0;
1081
1082 ath10k_warn(ar,
1083 "failed to upload firmware via diag ce, trying BMI: %d",
1084 ret);
1085 }
1086
1087 memset(&latency_qos, 0, sizeof(latency_qos));
1088 cpu_latency_qos_add_request(&latency_qos, 0);
1089
1090 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
1091
1092 cpu_latency_qos_remove_request(&latency_qos);
1093
1094 return ret;
1095 }
1096
ath10k_core_free_board_files(struct ath10k * ar)1097 void ath10k_core_free_board_files(struct ath10k *ar)
1098 {
1099 if (!IS_ERR(ar->normal_mode_fw.board))
1100 release_firmware(ar->normal_mode_fw.board);
1101
1102 if (!IS_ERR(ar->normal_mode_fw.ext_board))
1103 release_firmware(ar->normal_mode_fw.ext_board);
1104
1105 ar->normal_mode_fw.board = NULL;
1106 ar->normal_mode_fw.board_data = NULL;
1107 ar->normal_mode_fw.board_len = 0;
1108 ar->normal_mode_fw.ext_board = NULL;
1109 ar->normal_mode_fw.ext_board_data = NULL;
1110 ar->normal_mode_fw.ext_board_len = 0;
1111 }
1112 EXPORT_SYMBOL(ath10k_core_free_board_files);
1113
ath10k_core_free_firmware_files(struct ath10k * ar)1114 static void ath10k_core_free_firmware_files(struct ath10k *ar)
1115 {
1116 if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
1117 release_firmware(ar->normal_mode_fw.fw_file.firmware);
1118
1119 if (!IS_ERR(ar->cal_file))
1120 release_firmware(ar->cal_file);
1121
1122 if (!IS_ERR(ar->pre_cal_file))
1123 release_firmware(ar->pre_cal_file);
1124
1125 ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
1126
1127 ar->normal_mode_fw.fw_file.otp_data = NULL;
1128 ar->normal_mode_fw.fw_file.otp_len = 0;
1129
1130 ar->normal_mode_fw.fw_file.firmware = NULL;
1131 ar->normal_mode_fw.fw_file.firmware_data = NULL;
1132 ar->normal_mode_fw.fw_file.firmware_len = 0;
1133
1134 ar->cal_file = NULL;
1135 ar->pre_cal_file = NULL;
1136 }
1137
ath10k_fetch_cal_file(struct ath10k * ar)1138 static int ath10k_fetch_cal_file(struct ath10k *ar)
1139 {
1140 char filename[100];
1141
1142 /* pre-cal-<bus>-<id>.bin */
1143 scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
1144 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1145
1146 ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1147 if (!IS_ERR(ar->pre_cal_file))
1148 goto success;
1149
1150 /* cal-<bus>-<id>.bin */
1151 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
1152 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1153
1154 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1155 if (IS_ERR(ar->cal_file))
1156 /* calibration file is optional, don't print any warnings */
1157 return PTR_ERR(ar->cal_file);
1158 success:
1159 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
1160 ATH10K_FW_DIR, filename);
1161
1162 return 0;
1163 }
1164
ath10k_core_fetch_board_data_api_1(struct ath10k * ar,int bd_ie_type)1165 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar, int bd_ie_type)
1166 {
1167 const struct firmware *fw;
1168
1169 if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1170 if (!ar->hw_params.fw.board) {
1171 ath10k_err(ar, "failed to find board file fw entry\n");
1172 return -EINVAL;
1173 }
1174
1175 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1176 ar->hw_params.fw.dir,
1177 ar->hw_params.fw.board);
1178 if (IS_ERR(ar->normal_mode_fw.board))
1179 return PTR_ERR(ar->normal_mode_fw.board);
1180
1181 ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
1182 ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
1183 } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1184 if (!ar->hw_params.fw.eboard) {
1185 ath10k_err(ar, "failed to find eboard file fw entry\n");
1186 return -EINVAL;
1187 }
1188
1189 fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1190 ar->hw_params.fw.eboard);
1191 ar->normal_mode_fw.ext_board = fw;
1192 if (IS_ERR(ar->normal_mode_fw.ext_board))
1193 return PTR_ERR(ar->normal_mode_fw.ext_board);
1194
1195 ar->normal_mode_fw.ext_board_data = ar->normal_mode_fw.ext_board->data;
1196 ar->normal_mode_fw.ext_board_len = ar->normal_mode_fw.ext_board->size;
1197 }
1198
1199 return 0;
1200 }
1201
ath10k_core_parse_bd_ie_board(struct ath10k * ar,const void * buf,size_t buf_len,const char * boardname,int bd_ie_type)1202 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
1203 const void *buf, size_t buf_len,
1204 const char *boardname,
1205 int bd_ie_type)
1206 {
1207 const struct ath10k_fw_ie *hdr;
1208 bool name_match_found;
1209 int ret, board_ie_id;
1210 size_t board_ie_len;
1211 const void *board_ie_data;
1212
1213 name_match_found = false;
1214
1215 /* go through ATH10K_BD_IE_BOARD_ elements */
1216 while (buf_len > sizeof(struct ath10k_fw_ie)) {
1217 hdr = buf;
1218 board_ie_id = le32_to_cpu(hdr->id);
1219 board_ie_len = le32_to_cpu(hdr->len);
1220 board_ie_data = hdr->data;
1221
1222 buf_len -= sizeof(*hdr);
1223 buf += sizeof(*hdr);
1224
1225 if (buf_len < ALIGN(board_ie_len, 4)) {
1226 ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
1227 buf_len, ALIGN(board_ie_len, 4));
1228 ret = -EINVAL;
1229 goto out;
1230 }
1231
1232 switch (board_ie_id) {
1233 case ATH10K_BD_IE_BOARD_NAME:
1234 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
1235 board_ie_data, board_ie_len);
1236
1237 if (board_ie_len != strlen(boardname))
1238 break;
1239
1240 ret = memcmp(board_ie_data, boardname, strlen(boardname));
1241 if (ret)
1242 break;
1243
1244 name_match_found = true;
1245 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1246 "boot found match for name '%s'",
1247 boardname);
1248 break;
1249 case ATH10K_BD_IE_BOARD_DATA:
1250 if (!name_match_found)
1251 /* no match found */
1252 break;
1253
1254 if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1255 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1256 "boot found board data for '%s'",
1257 boardname);
1258
1259 ar->normal_mode_fw.board_data = board_ie_data;
1260 ar->normal_mode_fw.board_len = board_ie_len;
1261 } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1262 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1263 "boot found eboard data for '%s'",
1264 boardname);
1265
1266 ar->normal_mode_fw.ext_board_data = board_ie_data;
1267 ar->normal_mode_fw.ext_board_len = board_ie_len;
1268 }
1269
1270 ret = 0;
1271 goto out;
1272 default:
1273 ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
1274 board_ie_id);
1275 break;
1276 }
1277
1278 /* jump over the padding */
1279 board_ie_len = ALIGN(board_ie_len, 4);
1280
1281 buf_len -= board_ie_len;
1282 buf += board_ie_len;
1283 }
1284
1285 /* no match found */
1286 ret = -ENOENT;
1287
1288 out:
1289 return ret;
1290 }
1291
ath10k_core_search_bd(struct ath10k * ar,const char * boardname,const u8 * data,size_t len)1292 static int ath10k_core_search_bd(struct ath10k *ar,
1293 const char *boardname,
1294 const u8 *data,
1295 size_t len)
1296 {
1297 size_t ie_len;
1298 struct ath10k_fw_ie *hdr;
1299 int ret = -ENOENT, ie_id;
1300
1301 while (len > sizeof(struct ath10k_fw_ie)) {
1302 hdr = (struct ath10k_fw_ie *)data;
1303 ie_id = le32_to_cpu(hdr->id);
1304 ie_len = le32_to_cpu(hdr->len);
1305
1306 len -= sizeof(*hdr);
1307 data = hdr->data;
1308
1309 if (len < ALIGN(ie_len, 4)) {
1310 ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1311 ie_id, ie_len, len);
1312 return -EINVAL;
1313 }
1314
1315 switch (ie_id) {
1316 case ATH10K_BD_IE_BOARD:
1317 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1318 boardname,
1319 ATH10K_BD_IE_BOARD);
1320 if (ret == -ENOENT)
1321 /* no match found, continue */
1322 break;
1323
1324 /* either found or error, so stop searching */
1325 goto out;
1326 case ATH10K_BD_IE_BOARD_EXT:
1327 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1328 boardname,
1329 ATH10K_BD_IE_BOARD_EXT);
1330 if (ret == -ENOENT)
1331 /* no match found, continue */
1332 break;
1333
1334 /* either found or error, so stop searching */
1335 goto out;
1336 }
1337
1338 /* jump over the padding */
1339 ie_len = ALIGN(ie_len, 4);
1340
1341 len -= ie_len;
1342 data += ie_len;
1343 }
1344
1345 out:
1346 /* return result of parse_bd_ie_board() or -ENOENT */
1347 return ret;
1348 }
1349
ath10k_core_fetch_board_data_api_n(struct ath10k * ar,const char * boardname,const char * fallback_boardname,const char * filename)1350 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
1351 const char *boardname,
1352 const char *fallback_boardname,
1353 const char *filename)
1354 {
1355 size_t len, magic_len;
1356 const u8 *data;
1357 int ret;
1358
1359 /* Skip if already fetched during board data download */
1360 if (!ar->normal_mode_fw.board)
1361 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1362 ar->hw_params.fw.dir,
1363 filename);
1364 if (IS_ERR(ar->normal_mode_fw.board))
1365 return PTR_ERR(ar->normal_mode_fw.board);
1366
1367 data = ar->normal_mode_fw.board->data;
1368 len = ar->normal_mode_fw.board->size;
1369
1370 /* magic has extra null byte padded */
1371 magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
1372 if (len < magic_len) {
1373 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
1374 ar->hw_params.fw.dir, filename, len);
1375 ret = -EINVAL;
1376 goto err;
1377 }
1378
1379 if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
1380 ath10k_err(ar, "found invalid board magic\n");
1381 ret = -EINVAL;
1382 goto err;
1383 }
1384
1385 /* magic is padded to 4 bytes */
1386 magic_len = ALIGN(magic_len, 4);
1387 if (len < magic_len) {
1388 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
1389 ar->hw_params.fw.dir, filename, len);
1390 ret = -EINVAL;
1391 goto err;
1392 }
1393
1394 data += magic_len;
1395 len -= magic_len;
1396
1397 /* attempt to find boardname in the IE list */
1398 ret = ath10k_core_search_bd(ar, boardname, data, len);
1399
1400 /* if we didn't find it and have a fallback name, try that */
1401 if (ret == -ENOENT && fallback_boardname)
1402 ret = ath10k_core_search_bd(ar, fallback_boardname, data, len);
1403
1404 if (ret == -ENOENT) {
1405 ath10k_err(ar,
1406 "failed to fetch board data for %s from %s/%s\n",
1407 boardname, ar->hw_params.fw.dir, filename);
1408 ret = -ENODATA;
1409 }
1410
1411 if (ret)
1412 goto err;
1413
1414 return 0;
1415
1416 err:
1417 ath10k_core_free_board_files(ar);
1418 return ret;
1419 }
1420
ath10k_core_create_board_name(struct ath10k * ar,char * name,size_t name_len,bool with_variant)1421 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1422 size_t name_len, bool with_variant)
1423 {
1424 /* strlen(',variant=') + strlen(ar->id.bdf_ext) */
1425 char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
1426
1427 if (with_variant && ar->id.bdf_ext[0] != '\0')
1428 scnprintf(variant, sizeof(variant), ",variant=%s",
1429 ar->id.bdf_ext);
1430
1431 if (ar->id.bmi_ids_valid) {
1432 scnprintf(name, name_len,
1433 "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s",
1434 ath10k_bus_str(ar->hif.bus),
1435 ar->id.bmi_chip_id,
1436 ar->id.bmi_board_id, variant);
1437 goto out;
1438 }
1439
1440 if (ar->id.qmi_ids_valid) {
1441 if (with_variant && ar->id.bdf_ext[0] != '\0')
1442 scnprintf(name, name_len,
1443 "bus=%s,qmi-board-id=%x,qmi-chip-id=%x%s",
1444 ath10k_bus_str(ar->hif.bus),
1445 ar->id.qmi_board_id, ar->id.qmi_chip_id,
1446 variant);
1447 else
1448 scnprintf(name, name_len,
1449 "bus=%s,qmi-board-id=%x",
1450 ath10k_bus_str(ar->hif.bus),
1451 ar->id.qmi_board_id);
1452 goto out;
1453 }
1454
1455 scnprintf(name, name_len,
1456 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
1457 ath10k_bus_str(ar->hif.bus),
1458 ar->id.vendor, ar->id.device,
1459 ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
1460 out:
1461 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1462
1463 return 0;
1464 }
1465
ath10k_core_create_eboard_name(struct ath10k * ar,char * name,size_t name_len)1466 static int ath10k_core_create_eboard_name(struct ath10k *ar, char *name,
1467 size_t name_len)
1468 {
1469 if (ar->id.bmi_ids_valid) {
1470 scnprintf(name, name_len,
1471 "bus=%s,bmi-chip-id=%d,bmi-eboard-id=%d",
1472 ath10k_bus_str(ar->hif.bus),
1473 ar->id.bmi_chip_id,
1474 ar->id.bmi_eboard_id);
1475
1476 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using eboard name '%s'\n", name);
1477 return 0;
1478 }
1479 /* Fallback if returned board id is zero */
1480 return -1;
1481 }
1482
ath10k_core_fetch_board_file(struct ath10k * ar,int bd_ie_type)1483 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type)
1484 {
1485 char boardname[100], fallback_boardname[100];
1486 int ret;
1487
1488 if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1489 ret = ath10k_core_create_board_name(ar, boardname,
1490 sizeof(boardname), true);
1491 if (ret) {
1492 ath10k_err(ar, "failed to create board name: %d", ret);
1493 return ret;
1494 }
1495
1496 ret = ath10k_core_create_board_name(ar, fallback_boardname,
1497 sizeof(boardname), false);
1498 if (ret) {
1499 ath10k_err(ar, "failed to create fallback board name: %d", ret);
1500 return ret;
1501 }
1502 } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1503 ret = ath10k_core_create_eboard_name(ar, boardname,
1504 sizeof(boardname));
1505 if (ret) {
1506 ath10k_err(ar, "fallback to eboard.bin since board id 0");
1507 goto fallback;
1508 }
1509 }
1510
1511 ar->bd_api = 2;
1512 ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1513 fallback_boardname,
1514 ATH10K_BOARD_API2_FILE);
1515 if (!ret)
1516 goto success;
1517
1518 fallback:
1519 ar->bd_api = 1;
1520 ret = ath10k_core_fetch_board_data_api_1(ar, bd_ie_type);
1521 if (ret) {
1522 ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
1523 ar->hw_params.fw.dir);
1524 return ret;
1525 }
1526
1527 success:
1528 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1529 return 0;
1530 }
1531 EXPORT_SYMBOL(ath10k_core_fetch_board_file);
1532
ath10k_core_get_ext_board_id_from_otp(struct ath10k * ar)1533 static int ath10k_core_get_ext_board_id_from_otp(struct ath10k *ar)
1534 {
1535 u32 result, address;
1536 u8 ext_board_id;
1537 int ret;
1538
1539 address = ar->hw_params.patch_load_addr;
1540
1541 if (!ar->normal_mode_fw.fw_file.otp_data ||
1542 !ar->normal_mode_fw.fw_file.otp_len) {
1543 ath10k_warn(ar,
1544 "failed to retrieve extended board id due to otp binary missing\n");
1545 return -ENODATA;
1546 }
1547
1548 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1549 "boot upload otp to 0x%x len %zd for ext board id\n",
1550 address, ar->normal_mode_fw.fw_file.otp_len);
1551
1552 ret = ath10k_bmi_fast_download(ar, address,
1553 ar->normal_mode_fw.fw_file.otp_data,
1554 ar->normal_mode_fw.fw_file.otp_len);
1555 if (ret) {
1556 ath10k_err(ar, "could not write otp for ext board id check: %d\n",
1557 ret);
1558 return ret;
1559 }
1560
1561 ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EXT_BOARD_ID, &result);
1562 if (ret) {
1563 ath10k_err(ar, "could not execute otp for ext board id check: %d\n",
1564 ret);
1565 return ret;
1566 }
1567
1568 if (!result) {
1569 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1570 "ext board id does not exist in otp, ignore it\n");
1571 return -EOPNOTSUPP;
1572 }
1573
1574 ext_board_id = result & ATH10K_BMI_EBOARD_ID_STATUS_MASK;
1575
1576 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1577 "boot get otp ext board id result 0x%08x ext_board_id %d\n",
1578 result, ext_board_id);
1579
1580 ar->id.bmi_eboard_id = ext_board_id;
1581
1582 return 0;
1583 }
1584
ath10k_download_board_data(struct ath10k * ar,const void * data,size_t data_len)1585 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
1586 size_t data_len)
1587 {
1588 u32 board_data_size = ar->hw_params.fw.board_size;
1589 u32 eboard_data_size = ar->hw_params.fw.ext_board_size;
1590 u32 board_address;
1591 u32 ext_board_address;
1592 int ret;
1593
1594 ret = ath10k_push_board_ext_data(ar, data, data_len);
1595 if (ret) {
1596 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
1597 goto exit;
1598 }
1599
1600 ret = ath10k_bmi_read32(ar, hi_board_data, &board_address);
1601 if (ret) {
1602 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
1603 goto exit;
1604 }
1605
1606 ret = ath10k_bmi_write_memory(ar, board_address, data,
1607 min_t(u32, board_data_size,
1608 data_len));
1609 if (ret) {
1610 ath10k_err(ar, "could not write board data (%d)\n", ret);
1611 goto exit;
1612 }
1613
1614 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
1615 if (ret) {
1616 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
1617 goto exit;
1618 }
1619
1620 if (!ar->id.ext_bid_supported)
1621 goto exit;
1622
1623 /* Extended board data download */
1624 ret = ath10k_core_get_ext_board_id_from_otp(ar);
1625 if (ret == -EOPNOTSUPP) {
1626 /* Not fetching ext_board_data if ext board id is 0 */
1627 ath10k_dbg(ar, ATH10K_DBG_BOOT, "otp returned ext board id 0\n");
1628 return 0;
1629 } else if (ret) {
1630 ath10k_err(ar, "failed to get extended board id: %d\n", ret);
1631 goto exit;
1632 }
1633
1634 ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD_EXT);
1635 if (ret)
1636 goto exit;
1637
1638 if (ar->normal_mode_fw.ext_board_data) {
1639 ext_board_address = board_address + EXT_BOARD_ADDRESS_OFFSET;
1640 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1641 "boot writing ext board data to addr 0x%x",
1642 ext_board_address);
1643 ret = ath10k_bmi_write_memory(ar, ext_board_address,
1644 ar->normal_mode_fw.ext_board_data,
1645 min_t(u32, eboard_data_size, data_len));
1646 if (ret)
1647 ath10k_err(ar, "failed to write ext board data: %d\n", ret);
1648 }
1649
1650 exit:
1651 return ret;
1652 }
1653
ath10k_download_and_run_otp(struct ath10k * ar)1654 static int ath10k_download_and_run_otp(struct ath10k *ar)
1655 {
1656 u32 result, address = ar->hw_params.patch_load_addr;
1657 u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
1658 int ret;
1659
1660 ret = ath10k_download_board_data(ar,
1661 ar->running_fw->board_data,
1662 ar->running_fw->board_len);
1663 if (ret) {
1664 ath10k_err(ar, "failed to download board data: %d\n", ret);
1665 return ret;
1666 }
1667
1668 /* OTP is optional */
1669
1670 if (!ar->running_fw->fw_file.otp_data ||
1671 !ar->running_fw->fw_file.otp_len) {
1672 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
1673 ar->running_fw->fw_file.otp_data,
1674 ar->running_fw->fw_file.otp_len);
1675 return 0;
1676 }
1677
1678 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
1679 address, ar->running_fw->fw_file.otp_len);
1680
1681 ret = ath10k_bmi_fast_download(ar, address,
1682 ar->running_fw->fw_file.otp_data,
1683 ar->running_fw->fw_file.otp_len);
1684 if (ret) {
1685 ath10k_err(ar, "could not write otp (%d)\n", ret);
1686 return ret;
1687 }
1688
1689 /* As of now pre-cal is valid for 10_4 variants */
1690 if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1691 ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
1692 bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
1693
1694 ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
1695 if (ret) {
1696 ath10k_err(ar, "could not execute otp (%d)\n", ret);
1697 return ret;
1698 }
1699
1700 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
1701
1702 if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
1703 ar->running_fw->fw_file.fw_features)) &&
1704 result != 0) {
1705 ath10k_err(ar, "otp calibration failed: %d", result);
1706 return -EINVAL;
1707 }
1708
1709 return 0;
1710 }
1711
ath10k_download_cal_file(struct ath10k * ar,const struct firmware * file)1712 static int ath10k_download_cal_file(struct ath10k *ar,
1713 const struct firmware *file)
1714 {
1715 int ret;
1716
1717 if (!file)
1718 return -ENOENT;
1719
1720 if (IS_ERR(file))
1721 return PTR_ERR(file);
1722
1723 ret = ath10k_download_board_data(ar, file->data, file->size);
1724 if (ret) {
1725 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
1726 return ret;
1727 }
1728
1729 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
1730
1731 return 0;
1732 }
1733
ath10k_download_cal_dt(struct ath10k * ar,const char * dt_name)1734 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
1735 {
1736 struct device_node *node;
1737 int data_len;
1738 void *data;
1739 int ret;
1740
1741 node = ar->dev->of_node;
1742 if (!node)
1743 /* Device Tree is optional, don't print any warnings if
1744 * there's no node for ath10k.
1745 */
1746 return -ENOENT;
1747
1748 if (!of_get_property(node, dt_name, &data_len)) {
1749 /* The calibration data node is optional */
1750 return -ENOENT;
1751 }
1752
1753 if (data_len != ar->hw_params.cal_data_len) {
1754 ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
1755 data_len);
1756 ret = -EMSGSIZE;
1757 goto out;
1758 }
1759
1760 data = kmalloc(data_len, GFP_KERNEL);
1761 if (!data) {
1762 ret = -ENOMEM;
1763 goto out;
1764 }
1765
1766 ret = of_property_read_u8_array(node, dt_name, data, data_len);
1767 if (ret) {
1768 ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
1769 ret);
1770 goto out_free;
1771 }
1772
1773 ret = ath10k_download_board_data(ar, data, data_len);
1774 if (ret) {
1775 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
1776 ret);
1777 goto out_free;
1778 }
1779
1780 ret = 0;
1781
1782 out_free:
1783 kfree(data);
1784
1785 out:
1786 return ret;
1787 }
1788
ath10k_download_cal_eeprom(struct ath10k * ar)1789 static int ath10k_download_cal_eeprom(struct ath10k *ar)
1790 {
1791 size_t data_len;
1792 void *data = NULL;
1793 int ret;
1794
1795 ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
1796 if (ret) {
1797 if (ret != -EOPNOTSUPP)
1798 ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
1799 ret);
1800 goto out_free;
1801 }
1802
1803 ret = ath10k_download_board_data(ar, data, data_len);
1804 if (ret) {
1805 ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
1806 ret);
1807 goto out_free;
1808 }
1809
1810 ret = 0;
1811
1812 out_free:
1813 kfree(data);
1814
1815 return ret;
1816 }
1817
ath10k_core_fetch_firmware_api_n(struct ath10k * ar,const char * name,struct ath10k_fw_file * fw_file)1818 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1819 struct ath10k_fw_file *fw_file)
1820 {
1821 size_t magic_len, len, ie_len;
1822 int ie_id, i, index, bit, ret;
1823 struct ath10k_fw_ie *hdr;
1824 const u8 *data;
1825 __le32 *timestamp, *version;
1826
1827 /* first fetch the firmware file (firmware-*.bin) */
1828 fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1829 name);
1830 if (IS_ERR(fw_file->firmware))
1831 return PTR_ERR(fw_file->firmware);
1832
1833 data = fw_file->firmware->data;
1834 len = fw_file->firmware->size;
1835
1836 /* magic also includes the null byte, check that as well */
1837 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
1838
1839 if (len < magic_len) {
1840 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1841 ar->hw_params.fw.dir, name, len);
1842 ret = -EINVAL;
1843 goto err;
1844 }
1845
1846 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1847 ath10k_err(ar, "invalid firmware magic\n");
1848 ret = -EINVAL;
1849 goto err;
1850 }
1851
1852 /* jump over the padding */
1853 magic_len = ALIGN(magic_len, 4);
1854
1855 len -= magic_len;
1856 data += magic_len;
1857
1858 /* loop elements */
1859 while (len > sizeof(struct ath10k_fw_ie)) {
1860 hdr = (struct ath10k_fw_ie *)data;
1861
1862 ie_id = le32_to_cpu(hdr->id);
1863 ie_len = le32_to_cpu(hdr->len);
1864
1865 len -= sizeof(*hdr);
1866 data += sizeof(*hdr);
1867
1868 if (len < ie_len) {
1869 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1870 ie_id, len, ie_len);
1871 ret = -EINVAL;
1872 goto err;
1873 }
1874
1875 switch (ie_id) {
1876 case ATH10K_FW_IE_FW_VERSION:
1877 if (ie_len > sizeof(fw_file->fw_version) - 1)
1878 break;
1879
1880 memcpy(fw_file->fw_version, data, ie_len);
1881 fw_file->fw_version[ie_len] = '\0';
1882
1883 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1884 "found fw version %s\n",
1885 fw_file->fw_version);
1886 break;
1887 case ATH10K_FW_IE_TIMESTAMP:
1888 if (ie_len != sizeof(u32))
1889 break;
1890
1891 timestamp = (__le32 *)data;
1892
1893 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1894 le32_to_cpup(timestamp));
1895 break;
1896 case ATH10K_FW_IE_FEATURES:
1897 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1898 "found firmware features ie (%zd B)\n",
1899 ie_len);
1900
1901 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1902 index = i / 8;
1903 bit = i % 8;
1904
1905 if (index == ie_len)
1906 break;
1907
1908 if (data[index] & (1 << bit)) {
1909 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1910 "Enabling feature bit: %i\n",
1911 i);
1912 __set_bit(i, fw_file->fw_features);
1913 }
1914 }
1915
1916 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1917 fw_file->fw_features,
1918 sizeof(fw_file->fw_features));
1919 break;
1920 case ATH10K_FW_IE_FW_IMAGE:
1921 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1922 "found fw image ie (%zd B)\n",
1923 ie_len);
1924
1925 fw_file->firmware_data = data;
1926 fw_file->firmware_len = ie_len;
1927
1928 break;
1929 case ATH10K_FW_IE_OTP_IMAGE:
1930 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1931 "found otp image ie (%zd B)\n",
1932 ie_len);
1933
1934 fw_file->otp_data = data;
1935 fw_file->otp_len = ie_len;
1936
1937 break;
1938 case ATH10K_FW_IE_WMI_OP_VERSION:
1939 if (ie_len != sizeof(u32))
1940 break;
1941
1942 version = (__le32 *)data;
1943
1944 fw_file->wmi_op_version = le32_to_cpup(version);
1945
1946 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1947 fw_file->wmi_op_version);
1948 break;
1949 case ATH10K_FW_IE_HTT_OP_VERSION:
1950 if (ie_len != sizeof(u32))
1951 break;
1952
1953 version = (__le32 *)data;
1954
1955 fw_file->htt_op_version = le32_to_cpup(version);
1956
1957 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1958 fw_file->htt_op_version);
1959 break;
1960 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1961 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1962 "found fw code swap image ie (%zd B)\n",
1963 ie_len);
1964 fw_file->codeswap_data = data;
1965 fw_file->codeswap_len = ie_len;
1966 break;
1967 default:
1968 ath10k_warn(ar, "Unknown FW IE: %u\n",
1969 le32_to_cpu(hdr->id));
1970 break;
1971 }
1972
1973 /* jump over the padding */
1974 ie_len = ALIGN(ie_len, 4);
1975
1976 len -= ie_len;
1977 data += ie_len;
1978 }
1979
1980 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, fw_file->fw_features) &&
1981 (!fw_file->firmware_data || !fw_file->firmware_len)) {
1982 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1983 ar->hw_params.fw.dir, name);
1984 ret = -ENOMEDIUM;
1985 goto err;
1986 }
1987
1988 return 0;
1989
1990 err:
1991 ath10k_core_free_firmware_files(ar);
1992 return ret;
1993 }
1994
ath10k_core_get_fw_name(struct ath10k * ar,char * fw_name,size_t fw_name_len,int fw_api)1995 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
1996 size_t fw_name_len, int fw_api)
1997 {
1998 switch (ar->hif.bus) {
1999 case ATH10K_BUS_SDIO:
2000 case ATH10K_BUS_USB:
2001 scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
2002 ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
2003 fw_api);
2004 break;
2005 case ATH10K_BUS_PCI:
2006 case ATH10K_BUS_AHB:
2007 case ATH10K_BUS_SNOC:
2008 scnprintf(fw_name, fw_name_len, "%s-%d.bin",
2009 ATH10K_FW_FILE_BASE, fw_api);
2010 break;
2011 }
2012 }
2013
ath10k_core_fetch_firmware_files(struct ath10k * ar)2014 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
2015 {
2016 int ret, i;
2017 char fw_name[100];
2018
2019 /* calibration file is optional, don't check for any errors */
2020 ath10k_fetch_cal_file(ar);
2021
2022 for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
2023 ar->fw_api = i;
2024 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
2025 ar->fw_api);
2026
2027 ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
2028 ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
2029 &ar->normal_mode_fw.fw_file);
2030 if (!ret)
2031 goto success;
2032 }
2033
2034 /* we end up here if we couldn't fetch any firmware */
2035
2036 ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
2037 ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
2038 ret);
2039
2040 return ret;
2041
2042 success:
2043 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
2044
2045 return 0;
2046 }
2047
ath10k_core_pre_cal_download(struct ath10k * ar)2048 static int ath10k_core_pre_cal_download(struct ath10k *ar)
2049 {
2050 int ret;
2051
2052 ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
2053 if (ret == 0) {
2054 ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
2055 goto success;
2056 }
2057
2058 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2059 "boot did not find a pre calibration file, try DT next: %d\n",
2060 ret);
2061
2062 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
2063 if (ret) {
2064 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2065 "unable to load pre cal data from DT: %d\n", ret);
2066 return ret;
2067 }
2068 ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
2069
2070 success:
2071 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2072 ath10k_cal_mode_str(ar->cal_mode));
2073
2074 return 0;
2075 }
2076
ath10k_core_pre_cal_config(struct ath10k * ar)2077 static int ath10k_core_pre_cal_config(struct ath10k *ar)
2078 {
2079 int ret;
2080
2081 ret = ath10k_core_pre_cal_download(ar);
2082 if (ret) {
2083 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2084 "failed to load pre cal data: %d\n", ret);
2085 return ret;
2086 }
2087
2088 ret = ath10k_core_get_board_id_from_otp(ar);
2089 if (ret) {
2090 ath10k_err(ar, "failed to get board id: %d\n", ret);
2091 return ret;
2092 }
2093
2094 ret = ath10k_download_and_run_otp(ar);
2095 if (ret) {
2096 ath10k_err(ar, "failed to run otp: %d\n", ret);
2097 return ret;
2098 }
2099
2100 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2101 "pre cal configuration done successfully\n");
2102
2103 return 0;
2104 }
2105
ath10k_download_cal_data(struct ath10k * ar)2106 static int ath10k_download_cal_data(struct ath10k *ar)
2107 {
2108 int ret;
2109
2110 ret = ath10k_core_pre_cal_config(ar);
2111 if (ret == 0)
2112 return 0;
2113
2114 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2115 "pre cal download procedure failed, try cal file: %d\n",
2116 ret);
2117
2118 ret = ath10k_download_cal_file(ar, ar->cal_file);
2119 if (ret == 0) {
2120 ar->cal_mode = ATH10K_CAL_MODE_FILE;
2121 goto done;
2122 }
2123
2124 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2125 "boot did not find a calibration file, try DT next: %d\n",
2126 ret);
2127
2128 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
2129 if (ret == 0) {
2130 ar->cal_mode = ATH10K_CAL_MODE_DT;
2131 goto done;
2132 }
2133
2134 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2135 "boot did not find DT entry, try target EEPROM next: %d\n",
2136 ret);
2137
2138 ret = ath10k_download_cal_eeprom(ar);
2139 if (ret == 0) {
2140 ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
2141 goto done;
2142 }
2143
2144 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2145 "boot did not find target EEPROM entry, try OTP next: %d\n",
2146 ret);
2147
2148 ret = ath10k_download_and_run_otp(ar);
2149 if (ret) {
2150 ath10k_err(ar, "failed to run otp: %d\n", ret);
2151 return ret;
2152 }
2153
2154 ar->cal_mode = ATH10K_CAL_MODE_OTP;
2155
2156 done:
2157 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2158 ath10k_cal_mode_str(ar->cal_mode));
2159 return 0;
2160 }
2161
ath10k_core_fetch_btcoex_dt(struct ath10k * ar)2162 static void ath10k_core_fetch_btcoex_dt(struct ath10k *ar)
2163 {
2164 struct device_node *node;
2165 u8 coex_support = 0;
2166 int ret;
2167
2168 node = ar->dev->of_node;
2169 if (!node)
2170 goto out;
2171
2172 ret = of_property_read_u8(node, "qcom,coexist-support", &coex_support);
2173 if (ret) {
2174 ar->coex_support = true;
2175 goto out;
2176 }
2177
2178 if (coex_support) {
2179 ar->coex_support = true;
2180 } else {
2181 ar->coex_support = false;
2182 ar->coex_gpio_pin = -1;
2183 goto out;
2184 }
2185
2186 ret = of_property_read_u32(node, "qcom,coexist-gpio-pin",
2187 &ar->coex_gpio_pin);
2188 if (ret)
2189 ar->coex_gpio_pin = -1;
2190
2191 out:
2192 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot coex_support %d coex_gpio_pin %d\n",
2193 ar->coex_support, ar->coex_gpio_pin);
2194 }
2195
ath10k_init_uart(struct ath10k * ar)2196 static int ath10k_init_uart(struct ath10k *ar)
2197 {
2198 int ret;
2199
2200 /*
2201 * Explicitly setting UART prints to zero as target turns it on
2202 * based on scratch registers.
2203 */
2204 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
2205 if (ret) {
2206 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
2207 return ret;
2208 }
2209
2210 if (!uart_print) {
2211 if (ar->hw_params.uart_pin_workaround) {
2212 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin,
2213 ar->hw_params.uart_pin);
2214 if (ret) {
2215 ath10k_warn(ar, "failed to set UART TX pin: %d",
2216 ret);
2217 return ret;
2218 }
2219 }
2220
2221 return 0;
2222 }
2223
2224 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
2225 if (ret) {
2226 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2227 return ret;
2228 }
2229
2230 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
2231 if (ret) {
2232 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2233 return ret;
2234 }
2235
2236 /* Set the UART baud rate to 19200. */
2237 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
2238 if (ret) {
2239 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
2240 return ret;
2241 }
2242
2243 ath10k_info(ar, "UART prints enabled\n");
2244 return 0;
2245 }
2246
ath10k_init_hw_params(struct ath10k * ar)2247 static int ath10k_init_hw_params(struct ath10k *ar)
2248 {
2249 const struct ath10k_hw_params *hw_params;
2250 int i;
2251
2252 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
2253 hw_params = &ath10k_hw_params_list[i];
2254
2255 if (hw_params->bus == ar->hif.bus &&
2256 hw_params->id == ar->target_version &&
2257 hw_params->dev_id == ar->dev_id)
2258 break;
2259 }
2260
2261 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
2262 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
2263 ar->target_version);
2264 return -EINVAL;
2265 }
2266
2267 ar->hw_params = *hw_params;
2268
2269 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
2270 ar->hw_params.name, ar->target_version);
2271
2272 return 0;
2273 }
2274
ath10k_core_restart(struct work_struct * work)2275 static void ath10k_core_restart(struct work_struct *work)
2276 {
2277 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
2278 int ret;
2279
2280 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2281
2282 /* Place a barrier to make sure the compiler doesn't reorder
2283 * CRASH_FLUSH and calling other functions.
2284 */
2285 barrier();
2286
2287 ieee80211_stop_queues(ar->hw);
2288 ath10k_drain_tx(ar);
2289 complete(&ar->scan.started);
2290 complete(&ar->scan.completed);
2291 complete(&ar->scan.on_channel);
2292 complete(&ar->offchan_tx_completed);
2293 complete(&ar->install_key_done);
2294 complete(&ar->vdev_setup_done);
2295 complete(&ar->vdev_delete_done);
2296 complete(&ar->thermal.wmi_sync);
2297 complete(&ar->bss_survey_done);
2298 wake_up(&ar->htt.empty_tx_wq);
2299 wake_up(&ar->wmi.tx_credits_wq);
2300 wake_up(&ar->peer_mapping_wq);
2301
2302 /* TODO: We can have one instance of cancelling coverage_class_work by
2303 * moving it to ath10k_halt(), so that both stop() and restart() would
2304 * call that but it takes conf_mutex() and if we call cancel_work_sync()
2305 * with conf_mutex it will deadlock.
2306 */
2307 cancel_work_sync(&ar->set_coverage_class_work);
2308
2309 mutex_lock(&ar->conf_mutex);
2310
2311 switch (ar->state) {
2312 case ATH10K_STATE_ON:
2313 ar->state = ATH10K_STATE_RESTARTING;
2314 ath10k_halt(ar);
2315 ath10k_scan_finish(ar);
2316 ieee80211_restart_hw(ar->hw);
2317 break;
2318 case ATH10K_STATE_OFF:
2319 /* this can happen if driver is being unloaded
2320 * or if the crash happens during FW probing
2321 */
2322 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
2323 break;
2324 case ATH10K_STATE_RESTARTING:
2325 /* hw restart might be requested from multiple places */
2326 break;
2327 case ATH10K_STATE_RESTARTED:
2328 ar->state = ATH10K_STATE_WEDGED;
2329 fallthrough;
2330 case ATH10K_STATE_WEDGED:
2331 ath10k_warn(ar, "device is wedged, will not restart\n");
2332 break;
2333 case ATH10K_STATE_UTF:
2334 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
2335 break;
2336 }
2337
2338 mutex_unlock(&ar->conf_mutex);
2339
2340 ret = ath10k_coredump_submit(ar);
2341 if (ret)
2342 ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
2343 ret);
2344
2345 complete(&ar->driver_recovery);
2346 }
2347
ath10k_core_set_coverage_class_work(struct work_struct * work)2348 static void ath10k_core_set_coverage_class_work(struct work_struct *work)
2349 {
2350 struct ath10k *ar = container_of(work, struct ath10k,
2351 set_coverage_class_work);
2352
2353 if (ar->hw_params.hw_ops->set_coverage_class)
2354 ar->hw_params.hw_ops->set_coverage_class(ar, -1);
2355 }
2356
ath10k_core_init_firmware_features(struct ath10k * ar)2357 static int ath10k_core_init_firmware_features(struct ath10k *ar)
2358 {
2359 struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2360 int max_num_peers;
2361
2362 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
2363 !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2364 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
2365 return -EINVAL;
2366 }
2367
2368 if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
2369 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
2370 ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
2371 return -EINVAL;
2372 }
2373
2374 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
2375 switch (ath10k_cryptmode_param) {
2376 case ATH10K_CRYPT_MODE_HW:
2377 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2378 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2379 break;
2380 case ATH10K_CRYPT_MODE_SW:
2381 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2382 fw_file->fw_features)) {
2383 ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
2384 return -EINVAL;
2385 }
2386
2387 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2388 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2389 break;
2390 default:
2391 ath10k_info(ar, "invalid cryptmode: %d\n",
2392 ath10k_cryptmode_param);
2393 return -EINVAL;
2394 }
2395
2396 ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
2397 ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
2398
2399 if (rawmode) {
2400 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2401 fw_file->fw_features)) {
2402 ath10k_err(ar, "rawmode = 1 requires support from firmware");
2403 return -EINVAL;
2404 }
2405 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2406 }
2407
2408 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
2409 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
2410
2411 /* Workaround:
2412 *
2413 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
2414 * and causes enormous performance issues (malformed frames,
2415 * etc).
2416 *
2417 * Disabling A-MSDU makes RAW mode stable with heavy traffic
2418 * albeit a bit slower compared to regular operation.
2419 */
2420 ar->htt.max_num_amsdu = 1;
2421 }
2422
2423 /* Backwards compatibility for firmwares without
2424 * ATH10K_FW_IE_WMI_OP_VERSION.
2425 */
2426 if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
2427 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2428 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
2429 fw_file->fw_features))
2430 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
2431 else
2432 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
2433 } else {
2434 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
2435 }
2436 }
2437
2438 switch (fw_file->wmi_op_version) {
2439 case ATH10K_FW_WMI_OP_VERSION_MAIN:
2440 max_num_peers = TARGET_NUM_PEERS;
2441 ar->max_num_stations = TARGET_NUM_STATIONS;
2442 ar->max_num_vdevs = TARGET_NUM_VDEVS;
2443 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
2444 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2445 WMI_STAT_PEER;
2446 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2447 break;
2448 case ATH10K_FW_WMI_OP_VERSION_10_1:
2449 case ATH10K_FW_WMI_OP_VERSION_10_2:
2450 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2451 if (ath10k_peer_stats_enabled(ar)) {
2452 max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
2453 ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
2454 } else {
2455 max_num_peers = TARGET_10X_NUM_PEERS;
2456 ar->max_num_stations = TARGET_10X_NUM_STATIONS;
2457 }
2458 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
2459 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
2460 ar->fw_stats_req_mask = WMI_STAT_PEER;
2461 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2462 break;
2463 case ATH10K_FW_WMI_OP_VERSION_TLV:
2464 max_num_peers = TARGET_TLV_NUM_PEERS;
2465 ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
2466 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
2467 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
2468 if (ar->hif.bus == ATH10K_BUS_SDIO)
2469 ar->htt.max_num_pending_tx =
2470 TARGET_TLV_NUM_MSDU_DESC_HL;
2471 else
2472 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
2473 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
2474 ar->fw_stats_req_mask = WMI_TLV_STAT_PDEV | WMI_TLV_STAT_VDEV |
2475 WMI_TLV_STAT_PEER | WMI_TLV_STAT_PEER_EXTD;
2476 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2477 ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC;
2478 break;
2479 case ATH10K_FW_WMI_OP_VERSION_10_4:
2480 max_num_peers = TARGET_10_4_NUM_PEERS;
2481 ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
2482 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
2483 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
2484 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
2485 ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
2486 WMI_10_4_STAT_PEER_EXTD |
2487 WMI_10_4_STAT_VDEV_EXTD;
2488 ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
2489 ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
2490
2491 if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
2492 fw_file->fw_features))
2493 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
2494 else
2495 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
2496 break;
2497 case ATH10K_FW_WMI_OP_VERSION_UNSET:
2498 case ATH10K_FW_WMI_OP_VERSION_MAX:
2499 default:
2500 WARN_ON(1);
2501 return -EINVAL;
2502 }
2503
2504 if (ar->hw_params.num_peers)
2505 ar->max_num_peers = ar->hw_params.num_peers;
2506 else
2507 ar->max_num_peers = max_num_peers;
2508
2509 /* Backwards compatibility for firmwares without
2510 * ATH10K_FW_IE_HTT_OP_VERSION.
2511 */
2512 if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
2513 switch (fw_file->wmi_op_version) {
2514 case ATH10K_FW_WMI_OP_VERSION_MAIN:
2515 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
2516 break;
2517 case ATH10K_FW_WMI_OP_VERSION_10_1:
2518 case ATH10K_FW_WMI_OP_VERSION_10_2:
2519 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2520 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
2521 break;
2522 case ATH10K_FW_WMI_OP_VERSION_TLV:
2523 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
2524 break;
2525 case ATH10K_FW_WMI_OP_VERSION_10_4:
2526 case ATH10K_FW_WMI_OP_VERSION_UNSET:
2527 case ATH10K_FW_WMI_OP_VERSION_MAX:
2528 ath10k_err(ar, "htt op version not found from fw meta data");
2529 return -EINVAL;
2530 }
2531 }
2532
2533 return 0;
2534 }
2535
ath10k_core_reset_rx_filter(struct ath10k * ar)2536 static int ath10k_core_reset_rx_filter(struct ath10k *ar)
2537 {
2538 int ret;
2539 int vdev_id;
2540 int vdev_type;
2541 int vdev_subtype;
2542 const u8 *vdev_addr;
2543
2544 vdev_id = 0;
2545 vdev_type = WMI_VDEV_TYPE_STA;
2546 vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
2547 vdev_addr = ar->mac_addr;
2548
2549 ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
2550 vdev_addr);
2551 if (ret) {
2552 ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
2553 return ret;
2554 }
2555
2556 ret = ath10k_wmi_vdev_delete(ar, vdev_id);
2557 if (ret) {
2558 ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
2559 return ret;
2560 }
2561
2562 /* WMI and HTT may use separate HIF pipes and are not guaranteed to be
2563 * serialized properly implicitly.
2564 *
2565 * Moreover (most) WMI commands have no explicit acknowledges. It is
2566 * possible to infer it implicitly by poking firmware with echo
2567 * command - getting a reply means all preceding comments have been
2568 * (mostly) processed.
2569 *
2570 * In case of vdev create/delete this is sufficient.
2571 *
2572 * Without this it's possible to end up with a race when HTT Rx ring is
2573 * started before vdev create/delete hack is complete allowing a short
2574 * window of opportunity to receive (and Tx ACK) a bunch of frames.
2575 */
2576 ret = ath10k_wmi_barrier(ar);
2577 if (ret) {
2578 ath10k_err(ar, "failed to ping firmware: %d\n", ret);
2579 return ret;
2580 }
2581
2582 return 0;
2583 }
2584
ath10k_core_compat_services(struct ath10k * ar)2585 static int ath10k_core_compat_services(struct ath10k *ar)
2586 {
2587 struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2588
2589 /* all 10.x firmware versions support thermal throttling but don't
2590 * advertise the support via service flags so we have to hardcode
2591 * it here
2592 */
2593 switch (fw_file->wmi_op_version) {
2594 case ATH10K_FW_WMI_OP_VERSION_10_1:
2595 case ATH10K_FW_WMI_OP_VERSION_10_2:
2596 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2597 case ATH10K_FW_WMI_OP_VERSION_10_4:
2598 set_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map);
2599 break;
2600 default:
2601 break;
2602 }
2603
2604 return 0;
2605 }
2606
ath10k_core_start(struct ath10k * ar,enum ath10k_firmware_mode mode,const struct ath10k_fw_components * fw)2607 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
2608 const struct ath10k_fw_components *fw)
2609 {
2610 int status;
2611 u32 val;
2612
2613 lockdep_assert_held(&ar->conf_mutex);
2614
2615 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2616
2617 ar->running_fw = fw;
2618
2619 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2620 ar->running_fw->fw_file.fw_features)) {
2621 ath10k_bmi_start(ar);
2622
2623 /* Enable hardware clock to speed up firmware download */
2624 if (ar->hw_params.hw_ops->enable_pll_clk) {
2625 status = ar->hw_params.hw_ops->enable_pll_clk(ar);
2626 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot enable pll ret %d\n",
2627 status);
2628 }
2629
2630 if (ath10k_init_configure_target(ar)) {
2631 status = -EINVAL;
2632 goto err;
2633 }
2634
2635 status = ath10k_download_cal_data(ar);
2636 if (status)
2637 goto err;
2638
2639 /* Some of of qca988x solutions are having global reset issue
2640 * during target initialization. Bypassing PLL setting before
2641 * downloading firmware and letting the SoC run on REF_CLK is
2642 * fixing the problem. Corresponding firmware change is also
2643 * needed to set the clock source once the target is
2644 * initialized.
2645 */
2646 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
2647 ar->running_fw->fw_file.fw_features)) {
2648 status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
2649 if (status) {
2650 ath10k_err(ar, "could not write to skip_clock_init: %d\n",
2651 status);
2652 goto err;
2653 }
2654 }
2655
2656 status = ath10k_download_fw(ar);
2657 if (status)
2658 goto err;
2659
2660 status = ath10k_init_uart(ar);
2661 if (status)
2662 goto err;
2663
2664 if (ar->hif.bus == ATH10K_BUS_SDIO) {
2665 status = ath10k_init_sdio(ar, mode);
2666 if (status) {
2667 ath10k_err(ar, "failed to init SDIO: %d\n", status);
2668 goto err;
2669 }
2670 }
2671 }
2672
2673 ar->htc.htc_ops.target_send_suspend_complete =
2674 ath10k_send_suspend_complete;
2675
2676 status = ath10k_htc_init(ar);
2677 if (status) {
2678 ath10k_err(ar, "could not init HTC (%d)\n", status);
2679 goto err;
2680 }
2681
2682 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2683 ar->running_fw->fw_file.fw_features)) {
2684 status = ath10k_bmi_done(ar);
2685 if (status)
2686 goto err;
2687 }
2688
2689 status = ath10k_wmi_attach(ar);
2690 if (status) {
2691 ath10k_err(ar, "WMI attach failed: %d\n", status);
2692 goto err;
2693 }
2694
2695 status = ath10k_htt_init(ar);
2696 if (status) {
2697 ath10k_err(ar, "failed to init htt: %d\n", status);
2698 goto err_wmi_detach;
2699 }
2700
2701 status = ath10k_htt_tx_start(&ar->htt);
2702 if (status) {
2703 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
2704 goto err_wmi_detach;
2705 }
2706
2707 /* If firmware indicates Full Rx Reorder support it must be used in a
2708 * slightly different manner. Let HTT code know.
2709 */
2710 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
2711 ar->wmi.svc_map));
2712
2713 status = ath10k_htt_rx_alloc(&ar->htt);
2714 if (status) {
2715 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
2716 goto err_htt_tx_detach;
2717 }
2718
2719 status = ath10k_hif_start(ar);
2720 if (status) {
2721 ath10k_err(ar, "could not start HIF: %d\n", status);
2722 goto err_htt_rx_detach;
2723 }
2724
2725 status = ath10k_htc_wait_target(&ar->htc);
2726 if (status) {
2727 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
2728 goto err_hif_stop;
2729 }
2730
2731 status = ath10k_hif_start_post(ar);
2732 if (status) {
2733 ath10k_err(ar, "failed to swap mailbox: %d\n", status);
2734 goto err_hif_stop;
2735 }
2736
2737 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2738 status = ath10k_htt_connect(&ar->htt);
2739 if (status) {
2740 ath10k_err(ar, "failed to connect htt (%d)\n", status);
2741 goto err_hif_stop;
2742 }
2743 }
2744
2745 status = ath10k_wmi_connect(ar);
2746 if (status) {
2747 ath10k_err(ar, "could not connect wmi: %d\n", status);
2748 goto err_hif_stop;
2749 }
2750
2751 status = ath10k_htc_start(&ar->htc);
2752 if (status) {
2753 ath10k_err(ar, "failed to start htc: %d\n", status);
2754 goto err_hif_stop;
2755 }
2756
2757 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2758 status = ath10k_wmi_wait_for_service_ready(ar);
2759 if (status) {
2760 ath10k_warn(ar, "wmi service ready event not received");
2761 goto err_hif_stop;
2762 }
2763 }
2764
2765 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
2766 ar->hw->wiphy->fw_version);
2767
2768 if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
2769 mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2770 val = 0;
2771 if (ath10k_peer_stats_enabled(ar))
2772 val = WMI_10_4_PEER_STATS;
2773
2774 /* Enable vdev stats by default */
2775 val |= WMI_10_4_VDEV_STATS;
2776
2777 if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
2778 val |= WMI_10_4_BSS_CHANNEL_INFO_64;
2779
2780 ath10k_core_fetch_btcoex_dt(ar);
2781
2782 /* 10.4 firmware supports BT-Coex without reloading firmware
2783 * via pdev param. To support Bluetooth coexistence pdev param,
2784 * WMI_COEX_GPIO_SUPPORT of extended resource config should be
2785 * enabled always.
2786 *
2787 * We can still enable BTCOEX if firmware has the support
2788 * eventhough btceox_support value is
2789 * ATH10K_DT_BTCOEX_NOT_FOUND
2790 */
2791
2792 if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
2793 test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
2794 ar->running_fw->fw_file.fw_features) &&
2795 ar->coex_support)
2796 val |= WMI_10_4_COEX_GPIO_SUPPORT;
2797
2798 if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
2799 ar->wmi.svc_map))
2800 val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
2801
2802 if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
2803 ar->wmi.svc_map))
2804 val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
2805
2806 if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI,
2807 ar->wmi.svc_map))
2808 val |= WMI_10_4_TX_DATA_ACK_RSSI;
2809
2810 if (test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map))
2811 val |= WMI_10_4_REPORT_AIRTIME;
2812
2813 if (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT,
2814 ar->wmi.svc_map))
2815 val |= WMI_10_4_EXT_PEER_TID_CONFIGS_SUPPORT;
2816
2817 status = ath10k_mac_ext_resource_config(ar, val);
2818 if (status) {
2819 ath10k_err(ar,
2820 "failed to send ext resource cfg command : %d\n",
2821 status);
2822 goto err_hif_stop;
2823 }
2824 }
2825
2826 status = ath10k_wmi_cmd_init(ar);
2827 if (status) {
2828 ath10k_err(ar, "could not send WMI init command (%d)\n",
2829 status);
2830 goto err_hif_stop;
2831 }
2832
2833 status = ath10k_wmi_wait_for_unified_ready(ar);
2834 if (status) {
2835 ath10k_err(ar, "wmi unified ready event not received\n");
2836 goto err_hif_stop;
2837 }
2838
2839 status = ath10k_core_compat_services(ar);
2840 if (status) {
2841 ath10k_err(ar, "compat services failed: %d\n", status);
2842 goto err_hif_stop;
2843 }
2844
2845 status = ath10k_wmi_pdev_set_base_macaddr(ar, ar->mac_addr);
2846 if (status && status != -EOPNOTSUPP) {
2847 ath10k_err(ar,
2848 "failed to set base mac address: %d\n", status);
2849 goto err_hif_stop;
2850 }
2851
2852 /* Some firmware revisions do not properly set up hardware rx filter
2853 * registers.
2854 *
2855 * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
2856 * is filled with 0s instead of 1s allowing HW to respond with ACKs to
2857 * any frames that matches MAC_PCU_RX_FILTER which is also
2858 * misconfigured to accept anything.
2859 *
2860 * The ADDR1 is programmed using internal firmware structure field and
2861 * can't be (easily/sanely) reached from the driver explicitly. It is
2862 * possible to implicitly make it correct by creating a dummy vdev and
2863 * then deleting it.
2864 */
2865 if (ar->hw_params.hw_filter_reset_required &&
2866 mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2867 status = ath10k_core_reset_rx_filter(ar);
2868 if (status) {
2869 ath10k_err(ar,
2870 "failed to reset rx filter: %d\n", status);
2871 goto err_hif_stop;
2872 }
2873 }
2874
2875 status = ath10k_htt_rx_ring_refill(ar);
2876 if (status) {
2877 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
2878 goto err_hif_stop;
2879 }
2880
2881 if (ar->max_num_vdevs >= 64)
2882 ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
2883 else
2884 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
2885
2886 INIT_LIST_HEAD(&ar->arvifs);
2887
2888 /* we don't care about HTT in UTF mode */
2889 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2890 status = ath10k_htt_setup(&ar->htt);
2891 if (status) {
2892 ath10k_err(ar, "failed to setup htt: %d\n", status);
2893 goto err_hif_stop;
2894 }
2895 }
2896
2897 status = ath10k_debug_start(ar);
2898 if (status)
2899 goto err_hif_stop;
2900
2901 status = ath10k_hif_set_target_log_mode(ar, fw_diag_log);
2902 if (status && status != -EOPNOTSUPP) {
2903 ath10k_warn(ar, "set target log mode failed: %d\n", status);
2904 goto err_hif_stop;
2905 }
2906
2907 return 0;
2908
2909 err_hif_stop:
2910 ath10k_hif_stop(ar);
2911 err_htt_rx_detach:
2912 ath10k_htt_rx_free(&ar->htt);
2913 err_htt_tx_detach:
2914 ath10k_htt_tx_free(&ar->htt);
2915 err_wmi_detach:
2916 ath10k_wmi_detach(ar);
2917 err:
2918 return status;
2919 }
2920 EXPORT_SYMBOL(ath10k_core_start);
2921
ath10k_wait_for_suspend(struct ath10k * ar,u32 suspend_opt)2922 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
2923 {
2924 int ret;
2925 unsigned long time_left;
2926
2927 reinit_completion(&ar->target_suspend);
2928
2929 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
2930 if (ret) {
2931 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
2932 return ret;
2933 }
2934
2935 time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
2936
2937 if (!time_left) {
2938 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
2939 return -ETIMEDOUT;
2940 }
2941
2942 return 0;
2943 }
2944
ath10k_core_stop(struct ath10k * ar)2945 void ath10k_core_stop(struct ath10k *ar)
2946 {
2947 lockdep_assert_held(&ar->conf_mutex);
2948 ath10k_debug_stop(ar);
2949
2950 /* try to suspend target */
2951 if (ar->state != ATH10K_STATE_RESTARTING &&
2952 ar->state != ATH10K_STATE_UTF)
2953 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
2954
2955 ath10k_hif_stop(ar);
2956 ath10k_htt_tx_stop(&ar->htt);
2957 ath10k_htt_rx_free(&ar->htt);
2958 ath10k_wmi_detach(ar);
2959
2960 ar->id.bmi_ids_valid = false;
2961 }
2962 EXPORT_SYMBOL(ath10k_core_stop);
2963
2964 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
2965 * order to know what hw capabilities should be advertised to mac80211 it is
2966 * necessary to load the firmware (and tear it down immediately since start
2967 * hook will try to init it again) before registering
2968 */
ath10k_core_probe_fw(struct ath10k * ar)2969 static int ath10k_core_probe_fw(struct ath10k *ar)
2970 {
2971 struct bmi_target_info target_info;
2972 int ret = 0;
2973
2974 ret = ath10k_hif_power_up(ar, ATH10K_FIRMWARE_MODE_NORMAL);
2975 if (ret) {
2976 ath10k_err(ar, "could not power on hif bus (%d)\n", ret);
2977 return ret;
2978 }
2979
2980 switch (ar->hif.bus) {
2981 case ATH10K_BUS_SDIO:
2982 memset(&target_info, 0, sizeof(target_info));
2983 ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
2984 if (ret) {
2985 ath10k_err(ar, "could not get target info (%d)\n", ret);
2986 goto err_power_down;
2987 }
2988 ar->target_version = target_info.version;
2989 ar->hw->wiphy->hw_version = target_info.version;
2990 break;
2991 case ATH10K_BUS_PCI:
2992 case ATH10K_BUS_AHB:
2993 case ATH10K_BUS_USB:
2994 memset(&target_info, 0, sizeof(target_info));
2995 ret = ath10k_bmi_get_target_info(ar, &target_info);
2996 if (ret) {
2997 ath10k_err(ar, "could not get target info (%d)\n", ret);
2998 goto err_power_down;
2999 }
3000 ar->target_version = target_info.version;
3001 ar->hw->wiphy->hw_version = target_info.version;
3002 break;
3003 case ATH10K_BUS_SNOC:
3004 memset(&target_info, 0, sizeof(target_info));
3005 ret = ath10k_hif_get_target_info(ar, &target_info);
3006 if (ret) {
3007 ath10k_err(ar, "could not get target info (%d)\n", ret);
3008 goto err_power_down;
3009 }
3010 ar->target_version = target_info.version;
3011 ar->hw->wiphy->hw_version = target_info.version;
3012 break;
3013 default:
3014 ath10k_err(ar, "incorrect hif bus type: %d\n", ar->hif.bus);
3015 }
3016
3017 ret = ath10k_init_hw_params(ar);
3018 if (ret) {
3019 ath10k_err(ar, "could not get hw params (%d)\n", ret);
3020 goto err_power_down;
3021 }
3022
3023 ret = ath10k_core_fetch_firmware_files(ar);
3024 if (ret) {
3025 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
3026 goto err_power_down;
3027 }
3028
3029 BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
3030 sizeof(ar->normal_mode_fw.fw_file.fw_version));
3031 memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
3032 sizeof(ar->hw->wiphy->fw_version));
3033
3034 ath10k_debug_print_hwfw_info(ar);
3035
3036 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3037 ar->normal_mode_fw.fw_file.fw_features)) {
3038 ret = ath10k_core_pre_cal_download(ar);
3039 if (ret) {
3040 /* pre calibration data download is not necessary
3041 * for all the chipsets. Ignore failures and continue.
3042 */
3043 ath10k_dbg(ar, ATH10K_DBG_BOOT,
3044 "could not load pre cal data: %d\n", ret);
3045 }
3046
3047 ret = ath10k_core_get_board_id_from_otp(ar);
3048 if (ret && ret != -EOPNOTSUPP) {
3049 ath10k_err(ar, "failed to get board id from otp: %d\n",
3050 ret);
3051 goto err_free_firmware_files;
3052 }
3053
3054 ret = ath10k_core_check_smbios(ar);
3055 if (ret)
3056 ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n");
3057
3058 ret = ath10k_core_check_dt(ar);
3059 if (ret)
3060 ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n");
3061
3062 ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD);
3063 if (ret) {
3064 ath10k_err(ar, "failed to fetch board file: %d\n", ret);
3065 goto err_free_firmware_files;
3066 }
3067
3068 ath10k_debug_print_board_info(ar);
3069 }
3070
3071 device_get_mac_address(ar->dev, ar->mac_addr, sizeof(ar->mac_addr));
3072
3073 ret = ath10k_core_init_firmware_features(ar);
3074 if (ret) {
3075 ath10k_err(ar, "fatal problem with firmware features: %d\n",
3076 ret);
3077 goto err_free_firmware_files;
3078 }
3079
3080 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3081 ar->normal_mode_fw.fw_file.fw_features)) {
3082 ret = ath10k_swap_code_seg_init(ar,
3083 &ar->normal_mode_fw.fw_file);
3084 if (ret) {
3085 ath10k_err(ar, "failed to initialize code swap segment: %d\n",
3086 ret);
3087 goto err_free_firmware_files;
3088 }
3089 }
3090
3091 mutex_lock(&ar->conf_mutex);
3092
3093 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
3094 &ar->normal_mode_fw);
3095 if (ret) {
3096 ath10k_err(ar, "could not init core (%d)\n", ret);
3097 goto err_unlock;
3098 }
3099
3100 ath10k_debug_print_boot_info(ar);
3101 ath10k_core_stop(ar);
3102
3103 mutex_unlock(&ar->conf_mutex);
3104
3105 ath10k_hif_power_down(ar);
3106 return 0;
3107
3108 err_unlock:
3109 mutex_unlock(&ar->conf_mutex);
3110
3111 err_free_firmware_files:
3112 ath10k_core_free_firmware_files(ar);
3113
3114 err_power_down:
3115 ath10k_hif_power_down(ar);
3116
3117 return ret;
3118 }
3119
ath10k_core_register_work(struct work_struct * work)3120 static void ath10k_core_register_work(struct work_struct *work)
3121 {
3122 struct ath10k *ar = container_of(work, struct ath10k, register_work);
3123 int status;
3124
3125 /* peer stats are enabled by default */
3126 set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
3127
3128 status = ath10k_core_probe_fw(ar);
3129 if (status) {
3130 ath10k_err(ar, "could not probe fw (%d)\n", status);
3131 goto err;
3132 }
3133
3134 status = ath10k_mac_register(ar);
3135 if (status) {
3136 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
3137 goto err_release_fw;
3138 }
3139
3140 status = ath10k_coredump_register(ar);
3141 if (status) {
3142 ath10k_err(ar, "unable to register coredump\n");
3143 goto err_unregister_mac;
3144 }
3145
3146 status = ath10k_debug_register(ar);
3147 if (status) {
3148 ath10k_err(ar, "unable to initialize debugfs\n");
3149 goto err_unregister_coredump;
3150 }
3151
3152 status = ath10k_spectral_create(ar);
3153 if (status) {
3154 ath10k_err(ar, "failed to initialize spectral\n");
3155 goto err_debug_destroy;
3156 }
3157
3158 status = ath10k_thermal_register(ar);
3159 if (status) {
3160 ath10k_err(ar, "could not register thermal device: %d\n",
3161 status);
3162 goto err_spectral_destroy;
3163 }
3164
3165 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
3166 return;
3167
3168 err_spectral_destroy:
3169 ath10k_spectral_destroy(ar);
3170 err_debug_destroy:
3171 ath10k_debug_destroy(ar);
3172 err_unregister_coredump:
3173 ath10k_coredump_unregister(ar);
3174 err_unregister_mac:
3175 ath10k_mac_unregister(ar);
3176 err_release_fw:
3177 ath10k_core_free_firmware_files(ar);
3178 err:
3179 /* TODO: It's probably a good idea to release device from the driver
3180 * but calling device_release_driver() here will cause a deadlock.
3181 */
3182 return;
3183 }
3184
ath10k_core_register(struct ath10k * ar,const struct ath10k_bus_params * bus_params)3185 int ath10k_core_register(struct ath10k *ar,
3186 const struct ath10k_bus_params *bus_params)
3187 {
3188 ar->bus_param = *bus_params;
3189
3190 queue_work(ar->workqueue, &ar->register_work);
3191
3192 return 0;
3193 }
3194 EXPORT_SYMBOL(ath10k_core_register);
3195
ath10k_core_unregister(struct ath10k * ar)3196 void ath10k_core_unregister(struct ath10k *ar)
3197 {
3198 cancel_work_sync(&ar->register_work);
3199
3200 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
3201 return;
3202
3203 ath10k_thermal_unregister(ar);
3204 /* Stop spectral before unregistering from mac80211 to remove the
3205 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
3206 * would be already be free'd recursively, leading to a double free.
3207 */
3208 ath10k_spectral_destroy(ar);
3209
3210 /* We must unregister from mac80211 before we stop HTC and HIF.
3211 * Otherwise we will fail to submit commands to FW and mac80211 will be
3212 * unhappy about callback failures.
3213 */
3214 ath10k_mac_unregister(ar);
3215
3216 ath10k_testmode_destroy(ar);
3217
3218 ath10k_core_free_firmware_files(ar);
3219 ath10k_core_free_board_files(ar);
3220
3221 ath10k_debug_unregister(ar);
3222 }
3223 EXPORT_SYMBOL(ath10k_core_unregister);
3224
ath10k_core_create(size_t priv_size,struct device * dev,enum ath10k_bus bus,enum ath10k_hw_rev hw_rev,const struct ath10k_hif_ops * hif_ops)3225 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
3226 enum ath10k_bus bus,
3227 enum ath10k_hw_rev hw_rev,
3228 const struct ath10k_hif_ops *hif_ops)
3229 {
3230 struct ath10k *ar;
3231 int ret;
3232
3233 ar = ath10k_mac_create(priv_size);
3234 if (!ar)
3235 return NULL;
3236
3237 ar->ath_common.priv = ar;
3238 ar->ath_common.hw = ar->hw;
3239 ar->dev = dev;
3240 ar->hw_rev = hw_rev;
3241 ar->hif.ops = hif_ops;
3242 ar->hif.bus = bus;
3243
3244 switch (hw_rev) {
3245 case ATH10K_HW_QCA988X:
3246 case ATH10K_HW_QCA9887:
3247 ar->regs = &qca988x_regs;
3248 ar->hw_ce_regs = &qcax_ce_regs;
3249 ar->hw_values = &qca988x_values;
3250 break;
3251 case ATH10K_HW_QCA6174:
3252 case ATH10K_HW_QCA9377:
3253 ar->regs = &qca6174_regs;
3254 ar->hw_ce_regs = &qcax_ce_regs;
3255 ar->hw_values = &qca6174_values;
3256 break;
3257 case ATH10K_HW_QCA99X0:
3258 case ATH10K_HW_QCA9984:
3259 ar->regs = &qca99x0_regs;
3260 ar->hw_ce_regs = &qcax_ce_regs;
3261 ar->hw_values = &qca99x0_values;
3262 break;
3263 case ATH10K_HW_QCA9888:
3264 ar->regs = &qca99x0_regs;
3265 ar->hw_ce_regs = &qcax_ce_regs;
3266 ar->hw_values = &qca9888_values;
3267 break;
3268 case ATH10K_HW_QCA4019:
3269 ar->regs = &qca4019_regs;
3270 ar->hw_ce_regs = &qcax_ce_regs;
3271 ar->hw_values = &qca4019_values;
3272 break;
3273 case ATH10K_HW_WCN3990:
3274 ar->regs = &wcn3990_regs;
3275 ar->hw_ce_regs = &wcn3990_ce_regs;
3276 ar->hw_values = &wcn3990_values;
3277 break;
3278 default:
3279 ath10k_err(ar, "unsupported core hardware revision %d\n",
3280 hw_rev);
3281 ret = -ENOTSUPP;
3282 goto err_free_mac;
3283 }
3284
3285 init_completion(&ar->scan.started);
3286 init_completion(&ar->scan.completed);
3287 init_completion(&ar->scan.on_channel);
3288 init_completion(&ar->target_suspend);
3289 init_completion(&ar->driver_recovery);
3290 init_completion(&ar->wow.wakeup_completed);
3291
3292 init_completion(&ar->install_key_done);
3293 init_completion(&ar->vdev_setup_done);
3294 init_completion(&ar->vdev_delete_done);
3295 init_completion(&ar->thermal.wmi_sync);
3296 init_completion(&ar->bss_survey_done);
3297 init_completion(&ar->peer_delete_done);
3298 init_completion(&ar->peer_stats_info_complete);
3299
3300 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
3301
3302 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
3303 if (!ar->workqueue)
3304 goto err_free_mac;
3305
3306 ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
3307 if (!ar->workqueue_aux)
3308 goto err_free_wq;
3309
3310 ar->workqueue_tx_complete =
3311 create_singlethread_workqueue("ath10k_tx_complete_wq");
3312 if (!ar->workqueue_tx_complete)
3313 goto err_free_aux_wq;
3314
3315 mutex_init(&ar->conf_mutex);
3316 mutex_init(&ar->dump_mutex);
3317 spin_lock_init(&ar->data_lock);
3318
3319 INIT_LIST_HEAD(&ar->peers);
3320 init_waitqueue_head(&ar->peer_mapping_wq);
3321 init_waitqueue_head(&ar->htt.empty_tx_wq);
3322 init_waitqueue_head(&ar->wmi.tx_credits_wq);
3323
3324 skb_queue_head_init(&ar->htt.rx_indication_head);
3325
3326 init_completion(&ar->offchan_tx_completed);
3327 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
3328 skb_queue_head_init(&ar->offchan_tx_queue);
3329
3330 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
3331 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
3332
3333 INIT_WORK(&ar->register_work, ath10k_core_register_work);
3334 INIT_WORK(&ar->restart_work, ath10k_core_restart);
3335 INIT_WORK(&ar->set_coverage_class_work,
3336 ath10k_core_set_coverage_class_work);
3337
3338 init_dummy_netdev(&ar->napi_dev);
3339
3340 ret = ath10k_coredump_create(ar);
3341 if (ret)
3342 goto err_free_tx_complete;
3343
3344 ret = ath10k_debug_create(ar);
3345 if (ret)
3346 goto err_free_coredump;
3347
3348 return ar;
3349
3350 err_free_coredump:
3351 ath10k_coredump_destroy(ar);
3352 err_free_tx_complete:
3353 destroy_workqueue(ar->workqueue_tx_complete);
3354 err_free_aux_wq:
3355 destroy_workqueue(ar->workqueue_aux);
3356 err_free_wq:
3357 destroy_workqueue(ar->workqueue);
3358 err_free_mac:
3359 ath10k_mac_destroy(ar);
3360
3361 return NULL;
3362 }
3363 EXPORT_SYMBOL(ath10k_core_create);
3364
ath10k_core_destroy(struct ath10k * ar)3365 void ath10k_core_destroy(struct ath10k *ar)
3366 {
3367 flush_workqueue(ar->workqueue);
3368 destroy_workqueue(ar->workqueue);
3369
3370 flush_workqueue(ar->workqueue_aux);
3371 destroy_workqueue(ar->workqueue_aux);
3372
3373 flush_workqueue(ar->workqueue_tx_complete);
3374 destroy_workqueue(ar->workqueue_tx_complete);
3375
3376 ath10k_debug_destroy(ar);
3377 ath10k_coredump_destroy(ar);
3378 ath10k_htt_tx_destroy(&ar->htt);
3379 ath10k_wmi_free_host_mem(ar);
3380 ath10k_mac_destroy(ar);
3381 }
3382 EXPORT_SYMBOL(ath10k_core_destroy);
3383
3384 MODULE_AUTHOR("Qualcomm Atheros");
3385 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
3386 MODULE_LICENSE("Dual BSD/GPL");
3387
