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 <linux/nvmem-consumer.h>
16 #include <asm/byteorder.h>
17
18 #include "core.h"
19 #include "mac.h"
20 #include "htc.h"
21 #include "hif.h"
22 #include "wmi.h"
23 #include "bmi.h"
24 #include "debug.h"
25 #include "htt.h"
26 #include "testmode.h"
27 #include "wmi-ops.h"
28 #include "coredump.h"
29
30 unsigned int ath10k_debug_mask;
31 EXPORT_SYMBOL(ath10k_debug_mask);
32
33 static unsigned int ath10k_cryptmode_param;
34 static bool uart_print;
35 static bool skip_otp;
36 static bool fw_diag_log;
37
38 /* frame mode values are mapped as per enum ath10k_hw_txrx_mode */
39 unsigned int ath10k_frame_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
40
41 unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
42 BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
43
44 /* FIXME: most of these should be readonly */
45 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
46 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
47 module_param(uart_print, bool, 0644);
48 module_param(skip_otp, bool, 0644);
49 module_param(fw_diag_log, bool, 0644);
50 module_param_named(frame_mode, ath10k_frame_mode, uint, 0644);
51 module_param_named(coredump_mask, ath10k_coredump_mask, ulong, 0444);
52
53 MODULE_PARM_DESC(debug_mask, "Debugging mask");
54 MODULE_PARM_DESC(uart_print, "Uart target debugging");
55 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
56 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
57 MODULE_PARM_DESC(frame_mode,
58 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
59 MODULE_PARM_DESC(coredump_mask, "Bitfield of what to include in firmware crash file");
60 MODULE_PARM_DESC(fw_diag_log, "Diag based fw log debugging");
61
62 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
63 {
64 .id = QCA988X_HW_2_0_VERSION,
65 .dev_id = QCA988X_2_0_DEVICE_ID,
66 .bus = ATH10K_BUS_PCI,
67 .name = "qca988x hw2.0",
68 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
69 .uart_pin = 7,
70 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
71 .otp_exe_param = 0,
72 .channel_counters_freq_hz = 88000,
73 .max_probe_resp_desc_thres = 0,
74 .cal_data_len = 2116,
75 .fw = {
76 .dir = QCA988X_HW_2_0_FW_DIR,
77 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
78 .board_size = QCA988X_BOARD_DATA_SZ,
79 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
80 },
81 .rx_desc_ops = &qca988x_rx_desc_ops,
82 .hw_ops = &qca988x_ops,
83 .decap_align_bytes = 4,
84 .spectral_bin_discard = 0,
85 .spectral_bin_offset = 0,
86 .vht160_mcs_rx_highest = 0,
87 .vht160_mcs_tx_highest = 0,
88 .n_cipher_suites = 8,
89 .ast_skid_limit = 0x10,
90 .num_wds_entries = 0x20,
91 .target_64bit = false,
92 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
93 .shadow_reg_support = false,
94 .rri_on_ddr = false,
95 .hw_filter_reset_required = true,
96 .fw_diag_ce_download = false,
97 .credit_size_workaround = false,
98 .tx_stats_over_pktlog = true,
99 .dynamic_sar_support = false,
100 .hw_restart_disconnect = false,
101 .use_fw_tx_credits = true,
102 .delay_unmap_buffer = false,
103 },
104 {
105 .id = QCA988X_HW_2_0_VERSION,
106 .dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
107 .name = "qca988x hw2.0 ubiquiti",
108 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
109 .uart_pin = 7,
110 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
111 .otp_exe_param = 0,
112 .channel_counters_freq_hz = 88000,
113 .max_probe_resp_desc_thres = 0,
114 .cal_data_len = 2116,
115 .fw = {
116 .dir = QCA988X_HW_2_0_FW_DIR,
117 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
118 .board_size = QCA988X_BOARD_DATA_SZ,
119 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
120 },
121 .rx_desc_ops = &qca988x_rx_desc_ops,
122 .hw_ops = &qca988x_ops,
123 .decap_align_bytes = 4,
124 .spectral_bin_discard = 0,
125 .spectral_bin_offset = 0,
126 .vht160_mcs_rx_highest = 0,
127 .vht160_mcs_tx_highest = 0,
128 .n_cipher_suites = 8,
129 .ast_skid_limit = 0x10,
130 .num_wds_entries = 0x20,
131 .target_64bit = false,
132 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
133 .shadow_reg_support = false,
134 .rri_on_ddr = false,
135 .hw_filter_reset_required = true,
136 .fw_diag_ce_download = false,
137 .credit_size_workaround = false,
138 .tx_stats_over_pktlog = true,
139 .dynamic_sar_support = false,
140 .hw_restart_disconnect = false,
141 .use_fw_tx_credits = true,
142 .delay_unmap_buffer = false,
143 },
144 {
145 .id = QCA9887_HW_1_0_VERSION,
146 .dev_id = QCA9887_1_0_DEVICE_ID,
147 .bus = ATH10K_BUS_PCI,
148 .name = "qca9887 hw1.0",
149 .patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
150 .uart_pin = 7,
151 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
152 .otp_exe_param = 0,
153 .channel_counters_freq_hz = 88000,
154 .max_probe_resp_desc_thres = 0,
155 .cal_data_len = 2116,
156 .fw = {
157 .dir = QCA9887_HW_1_0_FW_DIR,
158 .board = QCA9887_HW_1_0_BOARD_DATA_FILE,
159 .board_size = QCA9887_BOARD_DATA_SZ,
160 .board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
161 },
162 .rx_desc_ops = &qca988x_rx_desc_ops,
163 .hw_ops = &qca988x_ops,
164 .decap_align_bytes = 4,
165 .spectral_bin_discard = 0,
166 .spectral_bin_offset = 0,
167 .vht160_mcs_rx_highest = 0,
168 .vht160_mcs_tx_highest = 0,
169 .n_cipher_suites = 8,
170 .ast_skid_limit = 0x10,
171 .num_wds_entries = 0x20,
172 .target_64bit = false,
173 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
174 .shadow_reg_support = false,
175 .rri_on_ddr = false,
176 .hw_filter_reset_required = true,
177 .fw_diag_ce_download = false,
178 .credit_size_workaround = false,
179 .tx_stats_over_pktlog = false,
180 .dynamic_sar_support = false,
181 .hw_restart_disconnect = false,
182 .use_fw_tx_credits = true,
183 .delay_unmap_buffer = false,
184 },
185 {
186 .id = QCA6174_HW_3_2_VERSION,
187 .dev_id = QCA6174_3_2_DEVICE_ID,
188 .bus = ATH10K_BUS_SDIO,
189 .name = "qca6174 hw3.2 sdio",
190 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
191 .uart_pin = 19,
192 .otp_exe_param = 0,
193 .channel_counters_freq_hz = 88000,
194 .max_probe_resp_desc_thres = 0,
195 .cal_data_len = 0,
196 .fw = {
197 .dir = QCA6174_HW_3_0_FW_DIR,
198 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
199 .board_size = QCA6174_BOARD_DATA_SZ,
200 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
201 },
202 .rx_desc_ops = &qca988x_rx_desc_ops,
203 .hw_ops = &qca6174_sdio_ops,
204 .hw_clk = qca6174_clk,
205 .target_cpu_freq = 176000000,
206 .decap_align_bytes = 4,
207 .n_cipher_suites = 8,
208 .num_peers = 10,
209 .ast_skid_limit = 0x10,
210 .num_wds_entries = 0x20,
211 .uart_pin_workaround = true,
212 .tx_stats_over_pktlog = false,
213 .credit_size_workaround = false,
214 .bmi_large_size_download = true,
215 .supports_peer_stats_info = true,
216 .dynamic_sar_support = true,
217 .hw_restart_disconnect = false,
218 .use_fw_tx_credits = true,
219 .delay_unmap_buffer = false,
220 },
221 {
222 .id = QCA6174_HW_2_1_VERSION,
223 .dev_id = QCA6164_2_1_DEVICE_ID,
224 .bus = ATH10K_BUS_PCI,
225 .name = "qca6164 hw2.1",
226 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
227 .uart_pin = 6,
228 .otp_exe_param = 0,
229 .channel_counters_freq_hz = 88000,
230 .max_probe_resp_desc_thres = 0,
231 .cal_data_len = 8124,
232 .fw = {
233 .dir = QCA6174_HW_2_1_FW_DIR,
234 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
235 .board_size = QCA6174_BOARD_DATA_SZ,
236 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
237 },
238 .rx_desc_ops = &qca988x_rx_desc_ops,
239 .hw_ops = &qca988x_ops,
240 .decap_align_bytes = 4,
241 .spectral_bin_discard = 0,
242 .spectral_bin_offset = 0,
243 .vht160_mcs_rx_highest = 0,
244 .vht160_mcs_tx_highest = 0,
245 .n_cipher_suites = 8,
246 .ast_skid_limit = 0x10,
247 .num_wds_entries = 0x20,
248 .target_64bit = false,
249 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
250 .shadow_reg_support = false,
251 .rri_on_ddr = false,
252 .hw_filter_reset_required = true,
253 .fw_diag_ce_download = false,
254 .credit_size_workaround = false,
255 .tx_stats_over_pktlog = false,
256 .dynamic_sar_support = false,
257 .hw_restart_disconnect = false,
258 .use_fw_tx_credits = true,
259 .delay_unmap_buffer = false,
260 },
261 {
262 .id = QCA6174_HW_2_1_VERSION,
263 .dev_id = QCA6174_2_1_DEVICE_ID,
264 .bus = ATH10K_BUS_PCI,
265 .name = "qca6174 hw2.1",
266 .patch_load_addr = QCA6174_HW_2_1_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_2_1_FW_DIR,
274 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
275 .board_size = QCA6174_BOARD_DATA_SZ,
276 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
277 },
278 .rx_desc_ops = &qca988x_rx_desc_ops,
279 .hw_ops = &qca988x_ops,
280 .decap_align_bytes = 4,
281 .spectral_bin_discard = 0,
282 .spectral_bin_offset = 0,
283 .vht160_mcs_rx_highest = 0,
284 .vht160_mcs_tx_highest = 0,
285 .n_cipher_suites = 8,
286 .ast_skid_limit = 0x10,
287 .num_wds_entries = 0x20,
288 .target_64bit = false,
289 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
290 .shadow_reg_support = false,
291 .rri_on_ddr = false,
292 .hw_filter_reset_required = true,
293 .fw_diag_ce_download = false,
294 .credit_size_workaround = false,
295 .tx_stats_over_pktlog = false,
296 .dynamic_sar_support = false,
297 .hw_restart_disconnect = false,
298 .use_fw_tx_credits = true,
299 .delay_unmap_buffer = false,
300 },
301 {
302 .id = QCA6174_HW_3_0_VERSION,
303 .dev_id = QCA6174_2_1_DEVICE_ID,
304 .bus = ATH10K_BUS_PCI,
305 .name = "qca6174 hw3.0",
306 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
307 .uart_pin = 6,
308 .otp_exe_param = 0,
309 .channel_counters_freq_hz = 88000,
310 .max_probe_resp_desc_thres = 0,
311 .cal_data_len = 8124,
312 .fw = {
313 .dir = QCA6174_HW_3_0_FW_DIR,
314 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
315 .board_size = QCA6174_BOARD_DATA_SZ,
316 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
317 },
318 .rx_desc_ops = &qca988x_rx_desc_ops,
319 .hw_ops = &qca988x_ops,
320 .decap_align_bytes = 4,
321 .spectral_bin_discard = 0,
322 .spectral_bin_offset = 0,
323 .vht160_mcs_rx_highest = 0,
324 .vht160_mcs_tx_highest = 0,
325 .n_cipher_suites = 8,
326 .ast_skid_limit = 0x10,
327 .num_wds_entries = 0x20,
328 .target_64bit = false,
329 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
330 .shadow_reg_support = false,
331 .rri_on_ddr = false,
332 .hw_filter_reset_required = true,
333 .fw_diag_ce_download = false,
334 .credit_size_workaround = false,
335 .tx_stats_over_pktlog = false,
336 .dynamic_sar_support = false,
337 .hw_restart_disconnect = false,
338 .use_fw_tx_credits = true,
339 .delay_unmap_buffer = false,
340 },
341 {
342 .id = QCA6174_HW_3_2_VERSION,
343 .dev_id = QCA6174_2_1_DEVICE_ID,
344 .bus = ATH10K_BUS_PCI,
345 .name = "qca6174 hw3.2",
346 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
347 .uart_pin = 6,
348 .otp_exe_param = 0,
349 .channel_counters_freq_hz = 88000,
350 .max_probe_resp_desc_thres = 0,
351 .cal_data_len = 8124,
352 .fw = {
353 /* uses same binaries as hw3.0 */
354 .dir = QCA6174_HW_3_0_FW_DIR,
355 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
356 .board_size = QCA6174_BOARD_DATA_SZ,
357 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
358 },
359 .rx_desc_ops = &qca988x_rx_desc_ops,
360 .hw_ops = &qca6174_ops,
361 .hw_clk = qca6174_clk,
362 .target_cpu_freq = 176000000,
363 .decap_align_bytes = 4,
364 .spectral_bin_discard = 0,
365 .spectral_bin_offset = 0,
366 .vht160_mcs_rx_highest = 0,
367 .vht160_mcs_tx_highest = 0,
368 .n_cipher_suites = 8,
369 .ast_skid_limit = 0x10,
370 .num_wds_entries = 0x20,
371 .target_64bit = false,
372 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
373 .shadow_reg_support = false,
374 .rri_on_ddr = false,
375 .hw_filter_reset_required = true,
376 .fw_diag_ce_download = true,
377 .credit_size_workaround = false,
378 .tx_stats_over_pktlog = false,
379 .supports_peer_stats_info = true,
380 .dynamic_sar_support = true,
381 .hw_restart_disconnect = false,
382 .use_fw_tx_credits = true,
383 .delay_unmap_buffer = false,
384 },
385 {
386 .id = QCA99X0_HW_2_0_DEV_VERSION,
387 .dev_id = QCA99X0_2_0_DEVICE_ID,
388 .bus = ATH10K_BUS_PCI,
389 .name = "qca99x0 hw2.0",
390 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
391 .uart_pin = 7,
392 .otp_exe_param = 0x00000700,
393 .continuous_frag_desc = true,
394 .cck_rate_map_rev2 = true,
395 .channel_counters_freq_hz = 150000,
396 .max_probe_resp_desc_thres = 24,
397 .tx_chain_mask = 0xf,
398 .rx_chain_mask = 0xf,
399 .max_spatial_stream = 4,
400 .cal_data_len = 12064,
401 .fw = {
402 .dir = QCA99X0_HW_2_0_FW_DIR,
403 .board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
404 .board_size = QCA99X0_BOARD_DATA_SZ,
405 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
406 },
407 .sw_decrypt_mcast_mgmt = true,
408 .rx_desc_ops = &qca99x0_rx_desc_ops,
409 .hw_ops = &qca99x0_ops,
410 .decap_align_bytes = 1,
411 .spectral_bin_discard = 4,
412 .spectral_bin_offset = 0,
413 .vht160_mcs_rx_highest = 0,
414 .vht160_mcs_tx_highest = 0,
415 .n_cipher_suites = 11,
416 .ast_skid_limit = 0x10,
417 .num_wds_entries = 0x20,
418 .target_64bit = false,
419 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
420 .shadow_reg_support = false,
421 .rri_on_ddr = false,
422 .hw_filter_reset_required = true,
423 .fw_diag_ce_download = false,
424 .credit_size_workaround = false,
425 .tx_stats_over_pktlog = false,
426 .dynamic_sar_support = false,
427 .hw_restart_disconnect = false,
428 .use_fw_tx_credits = true,
429 .delay_unmap_buffer = false,
430 },
431 {
432 .id = QCA9984_HW_1_0_DEV_VERSION,
433 .dev_id = QCA9984_1_0_DEVICE_ID,
434 .bus = ATH10K_BUS_PCI,
435 .name = "qca9984/qca9994 hw1.0",
436 .patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
437 .uart_pin = 7,
438 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
439 .otp_exe_param = 0x00000700,
440 .continuous_frag_desc = true,
441 .cck_rate_map_rev2 = true,
442 .channel_counters_freq_hz = 150000,
443 .max_probe_resp_desc_thres = 24,
444 .tx_chain_mask = 0xf,
445 .rx_chain_mask = 0xf,
446 .max_spatial_stream = 4,
447 .cal_data_len = 12064,
448 .fw = {
449 .dir = QCA9984_HW_1_0_FW_DIR,
450 .board = QCA9984_HW_1_0_BOARD_DATA_FILE,
451 .eboard = QCA9984_HW_1_0_EBOARD_DATA_FILE,
452 .board_size = QCA99X0_BOARD_DATA_SZ,
453 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
454 .ext_board_size = QCA99X0_EXT_BOARD_DATA_SZ,
455 },
456 .sw_decrypt_mcast_mgmt = true,
457 .rx_desc_ops = &qca99x0_rx_desc_ops,
458 .hw_ops = &qca99x0_ops,
459 .decap_align_bytes = 1,
460 .spectral_bin_discard = 12,
461 .spectral_bin_offset = 8,
462
463 /* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
464 * or 2x2 160Mhz, long-guard-interval.
465 */
466 .vht160_mcs_rx_highest = 1560,
467 .vht160_mcs_tx_highest = 1560,
468 .n_cipher_suites = 11,
469 .ast_skid_limit = 0x10,
470 .num_wds_entries = 0x20,
471 .target_64bit = false,
472 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
473 .shadow_reg_support = false,
474 .rri_on_ddr = false,
475 .hw_filter_reset_required = true,
476 .fw_diag_ce_download = false,
477 .credit_size_workaround = false,
478 .tx_stats_over_pktlog = false,
479 .dynamic_sar_support = false,
480 .hw_restart_disconnect = false,
481 .use_fw_tx_credits = true,
482 .delay_unmap_buffer = false,
483 },
484 {
485 .id = QCA9888_HW_2_0_DEV_VERSION,
486 .dev_id = QCA9888_2_0_DEVICE_ID,
487 .bus = ATH10K_BUS_PCI,
488 .name = "qca9888 hw2.0",
489 .patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
490 .uart_pin = 7,
491 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
492 .otp_exe_param = 0x00000700,
493 .continuous_frag_desc = true,
494 .channel_counters_freq_hz = 150000,
495 .max_probe_resp_desc_thres = 24,
496 .tx_chain_mask = 3,
497 .rx_chain_mask = 3,
498 .max_spatial_stream = 2,
499 .cal_data_len = 12064,
500 .fw = {
501 .dir = QCA9888_HW_2_0_FW_DIR,
502 .board = QCA9888_HW_2_0_BOARD_DATA_FILE,
503 .board_size = QCA99X0_BOARD_DATA_SZ,
504 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
505 },
506 .sw_decrypt_mcast_mgmt = true,
507 .rx_desc_ops = &qca99x0_rx_desc_ops,
508 .hw_ops = &qca99x0_ops,
509 .decap_align_bytes = 1,
510 .spectral_bin_discard = 12,
511 .spectral_bin_offset = 8,
512
513 /* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
514 * 1x1 160Mhz, long-guard-interval.
515 */
516 .vht160_mcs_rx_highest = 780,
517 .vht160_mcs_tx_highest = 780,
518 .n_cipher_suites = 11,
519 .ast_skid_limit = 0x10,
520 .num_wds_entries = 0x20,
521 .target_64bit = false,
522 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
523 .shadow_reg_support = false,
524 .rri_on_ddr = false,
525 .hw_filter_reset_required = true,
526 .fw_diag_ce_download = false,
527 .credit_size_workaround = false,
528 .tx_stats_over_pktlog = false,
529 .dynamic_sar_support = false,
530 .hw_restart_disconnect = false,
531 .use_fw_tx_credits = true,
532 .delay_unmap_buffer = false,
533 },
534 {
535 .id = QCA9377_HW_1_0_DEV_VERSION,
536 .dev_id = QCA9377_1_0_DEVICE_ID,
537 .bus = ATH10K_BUS_PCI,
538 .name = "qca9377 hw1.0",
539 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
540 .uart_pin = 6,
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 .rx_desc_ops = &qca988x_rx_desc_ops,
552 .hw_ops = &qca988x_ops,
553 .decap_align_bytes = 4,
554 .spectral_bin_discard = 0,
555 .spectral_bin_offset = 0,
556 .vht160_mcs_rx_highest = 0,
557 .vht160_mcs_tx_highest = 0,
558 .n_cipher_suites = 8,
559 .ast_skid_limit = 0x10,
560 .num_wds_entries = 0x20,
561 .target_64bit = false,
562 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
563 .shadow_reg_support = false,
564 .rri_on_ddr = false,
565 .hw_filter_reset_required = true,
566 .fw_diag_ce_download = false,
567 .credit_size_workaround = false,
568 .tx_stats_over_pktlog = false,
569 .dynamic_sar_support = false,
570 .hw_restart_disconnect = false,
571 .use_fw_tx_credits = true,
572 .delay_unmap_buffer = false,
573 },
574 {
575 .id = QCA9377_HW_1_1_DEV_VERSION,
576 .dev_id = QCA9377_1_0_DEVICE_ID,
577 .bus = ATH10K_BUS_PCI,
578 .name = "qca9377 hw1.1",
579 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
580 .uart_pin = 6,
581 .otp_exe_param = 0,
582 .channel_counters_freq_hz = 88000,
583 .max_probe_resp_desc_thres = 0,
584 .cal_data_len = 8124,
585 .fw = {
586 .dir = QCA9377_HW_1_0_FW_DIR,
587 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
588 .board_size = QCA9377_BOARD_DATA_SZ,
589 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
590 },
591 .rx_desc_ops = &qca988x_rx_desc_ops,
592 .hw_ops = &qca6174_ops,
593 .hw_clk = qca6174_clk,
594 .target_cpu_freq = 176000000,
595 .decap_align_bytes = 4,
596 .spectral_bin_discard = 0,
597 .spectral_bin_offset = 0,
598 .vht160_mcs_rx_highest = 0,
599 .vht160_mcs_tx_highest = 0,
600 .n_cipher_suites = 8,
601 .ast_skid_limit = 0x10,
602 .num_wds_entries = 0x20,
603 .target_64bit = false,
604 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
605 .shadow_reg_support = false,
606 .rri_on_ddr = false,
607 .hw_filter_reset_required = true,
608 .fw_diag_ce_download = true,
609 .credit_size_workaround = false,
610 .tx_stats_over_pktlog = false,
611 .dynamic_sar_support = false,
612 .hw_restart_disconnect = false,
613 .use_fw_tx_credits = true,
614 .delay_unmap_buffer = false,
615 },
616 {
617 .id = QCA9377_HW_1_1_DEV_VERSION,
618 .dev_id = QCA9377_1_0_DEVICE_ID,
619 .bus = ATH10K_BUS_SDIO,
620 .name = "qca9377 hw1.1 sdio",
621 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
622 .uart_pin = 19,
623 .otp_exe_param = 0,
624 .channel_counters_freq_hz = 88000,
625 .max_probe_resp_desc_thres = 0,
626 .cal_data_len = 8124,
627 .fw = {
628 .dir = QCA9377_HW_1_0_FW_DIR,
629 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
630 .board_size = QCA9377_BOARD_DATA_SZ,
631 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
632 },
633 .rx_desc_ops = &qca988x_rx_desc_ops,
634 .hw_ops = &qca6174_ops,
635 .hw_clk = qca6174_clk,
636 .target_cpu_freq = 176000000,
637 .decap_align_bytes = 4,
638 .n_cipher_suites = 8,
639 .num_peers = TARGET_QCA9377_HL_NUM_PEERS,
640 .ast_skid_limit = 0x10,
641 .num_wds_entries = 0x20,
642 .uart_pin_workaround = true,
643 .credit_size_workaround = true,
644 .dynamic_sar_support = false,
645 .hw_restart_disconnect = false,
646 .use_fw_tx_credits = true,
647 .delay_unmap_buffer = false,
648 },
649 {
650 .id = QCA4019_HW_1_0_DEV_VERSION,
651 .dev_id = 0,
652 .bus = ATH10K_BUS_AHB,
653 .name = "qca4019 hw1.0",
654 .patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
655 .uart_pin = 7,
656 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
657 .otp_exe_param = 0x0010000,
658 .continuous_frag_desc = true,
659 .cck_rate_map_rev2 = true,
660 .channel_counters_freq_hz = 125000,
661 .max_probe_resp_desc_thres = 24,
662 .tx_chain_mask = 0x3,
663 .rx_chain_mask = 0x3,
664 .max_spatial_stream = 2,
665 .cal_data_len = 12064,
666 .fw = {
667 .dir = QCA4019_HW_1_0_FW_DIR,
668 .board = QCA4019_HW_1_0_BOARD_DATA_FILE,
669 .board_size = QCA4019_BOARD_DATA_SZ,
670 .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
671 },
672 .sw_decrypt_mcast_mgmt = true,
673 .rx_desc_ops = &qca99x0_rx_desc_ops,
674 .hw_ops = &qca99x0_ops,
675 .decap_align_bytes = 1,
676 .spectral_bin_discard = 4,
677 .spectral_bin_offset = 0,
678 .vht160_mcs_rx_highest = 0,
679 .vht160_mcs_tx_highest = 0,
680 .n_cipher_suites = 11,
681 .ast_skid_limit = 0x10,
682 .num_wds_entries = 0x20,
683 .target_64bit = false,
684 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
685 .shadow_reg_support = false,
686 .rri_on_ddr = false,
687 .hw_filter_reset_required = true,
688 .fw_diag_ce_download = false,
689 .credit_size_workaround = false,
690 .tx_stats_over_pktlog = false,
691 .dynamic_sar_support = false,
692 .hw_restart_disconnect = false,
693 .use_fw_tx_credits = true,
694 .delay_unmap_buffer = false,
695 },
696 {
697 .id = WCN3990_HW_1_0_DEV_VERSION,
698 .dev_id = 0,
699 .bus = ATH10K_BUS_SNOC,
700 .name = "wcn3990 hw1.0",
701 .continuous_frag_desc = true,
702 .tx_chain_mask = 0x7,
703 .rx_chain_mask = 0x7,
704 .max_spatial_stream = 4,
705 .fw = {
706 .dir = WCN3990_HW_1_0_FW_DIR,
707 },
708 .sw_decrypt_mcast_mgmt = true,
709 .rx_desc_ops = &wcn3990_rx_desc_ops,
710 .hw_ops = &wcn3990_ops,
711 .decap_align_bytes = 1,
712 .num_peers = TARGET_HL_TLV_NUM_PEERS,
713 .n_cipher_suites = 11,
714 .ast_skid_limit = TARGET_HL_TLV_AST_SKID_LIMIT,
715 .num_wds_entries = TARGET_HL_TLV_NUM_WDS_ENTRIES,
716 .target_64bit = true,
717 .rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL_DUAL_MAC,
718 .shadow_reg_support = true,
719 .rri_on_ddr = true,
720 .hw_filter_reset_required = false,
721 .fw_diag_ce_download = false,
722 .credit_size_workaround = false,
723 .tx_stats_over_pktlog = false,
724 .dynamic_sar_support = true,
725 .hw_restart_disconnect = true,
726 .use_fw_tx_credits = false,
727 .delay_unmap_buffer = true,
728 },
729 };
730
731 static const char *const ath10k_core_fw_feature_str[] = {
732 [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
733 [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
734 [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
735 [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
736 [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
737 [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
738 [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
739 [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
740 [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
741 [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
742 [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
743 [ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
744 [ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
745 [ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
746 [ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
747 [ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
748 [ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
749 [ATH10K_FW_FEATURE_NO_PS] = "no-ps",
750 [ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
751 [ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
752 [ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL] = "single-chan-info-per-channel",
753 [ATH10K_FW_FEATURE_PEER_FIXED_RATE] = "peer-fixed-rate",
754 [ATH10K_FW_FEATURE_IRAM_RECOVERY] = "iram-recovery",
755 };
756
ath10k_core_get_fw_feature_str(char * buf,size_t buf_len,enum ath10k_fw_features feat)757 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
758 size_t buf_len,
759 enum ath10k_fw_features feat)
760 {
761 /* make sure that ath10k_core_fw_feature_str[] gets updated */
762 BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
763 ATH10K_FW_FEATURE_COUNT);
764
765 if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
766 WARN_ON(!ath10k_core_fw_feature_str[feat])) {
767 return scnprintf(buf, buf_len, "bit%d", feat);
768 }
769
770 return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
771 }
772
ath10k_core_get_fw_features_str(struct ath10k * ar,char * buf,size_t buf_len)773 void ath10k_core_get_fw_features_str(struct ath10k *ar,
774 char *buf,
775 size_t buf_len)
776 {
777 size_t len = 0;
778 int i;
779
780 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
781 if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
782 if (len > 0)
783 len += scnprintf(buf + len, buf_len - len, ",");
784
785 len += ath10k_core_get_fw_feature_str(buf + len,
786 buf_len - len,
787 i);
788 }
789 }
790 }
791
ath10k_send_suspend_complete(struct ath10k * ar)792 static void ath10k_send_suspend_complete(struct ath10k *ar)
793 {
794 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
795
796 complete(&ar->target_suspend);
797 }
798
ath10k_init_sdio(struct ath10k * ar,enum ath10k_firmware_mode mode)799 static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode)
800 {
801 bool mtu_workaround = ar->hw_params.credit_size_workaround;
802 int ret;
803 u32 param = 0;
804
805 ret = ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
806 if (ret)
807 return ret;
808
809 ret = ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
810 if (ret)
811 return ret;
812
813 ret = ath10k_bmi_read32(ar, hi_acs_flags, ¶m);
814 if (ret)
815 return ret;
816
817 param |= HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
818
819 if (mode == ATH10K_FIRMWARE_MODE_NORMAL && !mtu_workaround)
820 param |= HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
821 else
822 param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
823
824 if (mode == ATH10K_FIRMWARE_MODE_UTF)
825 param &= ~HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
826 else
827 param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
828
829 ret = ath10k_bmi_write32(ar, hi_acs_flags, param);
830 if (ret)
831 return ret;
832
833 ret = ath10k_bmi_read32(ar, hi_option_flag2, ¶m);
834 if (ret)
835 return ret;
836
837 param |= HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_HOST;
838
839 ret = ath10k_bmi_write32(ar, hi_option_flag2, param);
840 if (ret)
841 return ret;
842
843 return 0;
844 }
845
ath10k_init_configure_target(struct ath10k * ar)846 static int ath10k_init_configure_target(struct ath10k *ar)
847 {
848 u32 param_host;
849 int ret;
850
851 /* tell target which HTC version it is used*/
852 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
853 HTC_PROTOCOL_VERSION);
854 if (ret) {
855 ath10k_err(ar, "settings HTC version failed\n");
856 return ret;
857 }
858
859 /* set the firmware mode to STA/IBSS/AP */
860 ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
861 if (ret) {
862 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
863 return ret;
864 }
865
866 /* TODO following parameters need to be re-visited. */
867 /* num_device */
868 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
869 /* Firmware mode */
870 /* FIXME: Why FW_MODE_AP ??.*/
871 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
872 /* mac_addr_method */
873 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
874 /* firmware_bridge */
875 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
876 /* fwsubmode */
877 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
878
879 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
880 if (ret) {
881 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
882 return ret;
883 }
884
885 /* We do all byte-swapping on the host */
886 ret = ath10k_bmi_write32(ar, hi_be, 0);
887 if (ret) {
888 ath10k_err(ar, "setting host CPU BE mode failed\n");
889 return ret;
890 }
891
892 /* FW descriptor/Data swap flags */
893 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
894
895 if (ret) {
896 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
897 return ret;
898 }
899
900 /* Some devices have a special sanity check that verifies the PCI
901 * Device ID is written to this host interest var. It is known to be
902 * required to boot QCA6164.
903 */
904 ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
905 ar->dev_id);
906 if (ret) {
907 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
908 return ret;
909 }
910
911 return 0;
912 }
913
ath10k_fetch_fw_file(struct ath10k * ar,const char * dir,const char * file)914 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
915 const char *dir,
916 const char *file)
917 {
918 char filename[100];
919 const struct firmware *fw;
920 int ret;
921
922 if (file == NULL)
923 return ERR_PTR(-ENOENT);
924
925 if (dir == NULL)
926 dir = ".";
927
928 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
929 ret = firmware_request_nowarn(&fw, filename, ar->dev);
930 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
931 filename, ret);
932
933 if (ret)
934 return ERR_PTR(ret);
935
936 return fw;
937 }
938
ath10k_push_board_ext_data(struct ath10k * ar,const void * data,size_t data_len)939 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
940 size_t data_len)
941 {
942 u32 board_data_size = ar->hw_params.fw.board_size;
943 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
944 u32 board_ext_data_addr;
945 int ret;
946
947 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
948 if (ret) {
949 ath10k_err(ar, "could not read board ext data addr (%d)\n",
950 ret);
951 return ret;
952 }
953
954 ath10k_dbg(ar, ATH10K_DBG_BOOT,
955 "boot push board extended data addr 0x%x\n",
956 board_ext_data_addr);
957
958 if (board_ext_data_addr == 0)
959 return 0;
960
961 if (data_len != (board_data_size + board_ext_data_size)) {
962 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
963 data_len, board_data_size, board_ext_data_size);
964 return -EINVAL;
965 }
966
967 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
968 data + board_data_size,
969 board_ext_data_size);
970 if (ret) {
971 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
972 return ret;
973 }
974
975 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
976 (board_ext_data_size << 16) | 1);
977 if (ret) {
978 ath10k_err(ar, "could not write board ext data bit (%d)\n",
979 ret);
980 return ret;
981 }
982
983 return 0;
984 }
985
ath10k_core_get_board_id_from_otp(struct ath10k * ar)986 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
987 {
988 u32 result, address;
989 u8 board_id, chip_id;
990 bool ext_bid_support;
991 int ret, bmi_board_id_param;
992
993 address = ar->hw_params.patch_load_addr;
994
995 if (!ar->normal_mode_fw.fw_file.otp_data ||
996 !ar->normal_mode_fw.fw_file.otp_len) {
997 ath10k_warn(ar,
998 "failed to retrieve board id because of invalid otp\n");
999 return -ENODATA;
1000 }
1001
1002 if (ar->id.bmi_ids_valid) {
1003 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1004 "boot already acquired valid otp board id,skip download, board_id %d chip_id %d\n",
1005 ar->id.bmi_board_id, ar->id.bmi_chip_id);
1006 goto skip_otp_download;
1007 }
1008
1009 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1010 "boot upload otp to 0x%x len %zd for board id\n",
1011 address, ar->normal_mode_fw.fw_file.otp_len);
1012
1013 ret = ath10k_bmi_fast_download(ar, address,
1014 ar->normal_mode_fw.fw_file.otp_data,
1015 ar->normal_mode_fw.fw_file.otp_len);
1016 if (ret) {
1017 ath10k_err(ar, "could not write otp for board id check: %d\n",
1018 ret);
1019 return ret;
1020 }
1021
1022 if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1023 ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE ||
1024 ar->cal_mode == ATH10K_PRE_CAL_MODE_NVMEM)
1025 bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
1026 else
1027 bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
1028
1029 ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
1030 if (ret) {
1031 ath10k_err(ar, "could not execute otp for board id check: %d\n",
1032 ret);
1033 return ret;
1034 }
1035
1036 board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
1037 chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
1038 ext_bid_support = (result & ATH10K_BMI_EXT_BOARD_ID_SUPPORT);
1039
1040 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1041 "boot get otp board id result 0x%08x board_id %d chip_id %d ext_bid_support %d\n",
1042 result, board_id, chip_id, ext_bid_support);
1043
1044 ar->id.ext_bid_supported = ext_bid_support;
1045
1046 if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
1047 (board_id == 0)) {
1048 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1049 "board id does not exist in otp, ignore it\n");
1050 return -EOPNOTSUPP;
1051 }
1052
1053 ar->id.bmi_ids_valid = true;
1054 ar->id.bmi_board_id = board_id;
1055 ar->id.bmi_chip_id = chip_id;
1056
1057 skip_otp_download:
1058
1059 return 0;
1060 }
1061
ath10k_core_check_bdfext(const struct dmi_header * hdr,void * data)1062 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
1063 {
1064 struct ath10k *ar = data;
1065 const char *bdf_ext;
1066 const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
1067 u8 bdf_enabled;
1068 int i;
1069
1070 if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
1071 return;
1072
1073 if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
1074 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1075 "wrong smbios bdf ext type length (%d).\n",
1076 hdr->length);
1077 return;
1078 }
1079
1080 bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
1081 if (!bdf_enabled) {
1082 ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
1083 return;
1084 }
1085
1086 /* Only one string exists (per spec) */
1087 bdf_ext = (char *)hdr + hdr->length;
1088
1089 if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
1090 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1091 "bdf variant magic does not match.\n");
1092 return;
1093 }
1094
1095 for (i = 0; i < strlen(bdf_ext); i++) {
1096 if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
1097 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1098 "bdf variant name contains non ascii chars.\n");
1099 return;
1100 }
1101 }
1102
1103 /* Copy extension name without magic suffix */
1104 if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
1105 sizeof(ar->id.bdf_ext)) < 0) {
1106 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1107 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1108 bdf_ext);
1109 return;
1110 }
1111
1112 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1113 "found and validated bdf variant smbios_type 0x%x bdf %s\n",
1114 ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
1115 }
1116
ath10k_core_check_smbios(struct ath10k * ar)1117 static int ath10k_core_check_smbios(struct ath10k *ar)
1118 {
1119 ar->id.bdf_ext[0] = '\0';
1120 dmi_walk(ath10k_core_check_bdfext, ar);
1121
1122 if (ar->id.bdf_ext[0] == '\0')
1123 return -ENODATA;
1124
1125 return 0;
1126 }
1127
ath10k_core_check_dt(struct ath10k * ar)1128 int ath10k_core_check_dt(struct ath10k *ar)
1129 {
1130 struct device_node *node;
1131 const char *variant = NULL;
1132
1133 node = ar->dev->of_node;
1134 if (!node)
1135 return -ENOENT;
1136
1137 of_property_read_string(node, "qcom,ath10k-calibration-variant",
1138 &variant);
1139 if (!variant)
1140 return -ENODATA;
1141
1142 if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
1143 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1144 "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1145 variant);
1146
1147 return 0;
1148 }
1149 EXPORT_SYMBOL(ath10k_core_check_dt);
1150
ath10k_download_fw(struct ath10k * ar)1151 static int ath10k_download_fw(struct ath10k *ar)
1152 {
1153 u32 address, data_len;
1154 const void *data;
1155 int ret;
1156 struct pm_qos_request latency_qos;
1157
1158 address = ar->hw_params.patch_load_addr;
1159
1160 data = ar->running_fw->fw_file.firmware_data;
1161 data_len = ar->running_fw->fw_file.firmware_len;
1162
1163 ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
1164 if (ret) {
1165 ath10k_err(ar, "failed to configure fw code swap: %d\n",
1166 ret);
1167 return ret;
1168 }
1169
1170 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1171 "boot uploading firmware image %pK len %d\n",
1172 data, data_len);
1173
1174 /* Check if device supports to download firmware via
1175 * diag copy engine. Downloading firmware via diag CE
1176 * greatly reduces the time to download firmware.
1177 */
1178 if (ar->hw_params.fw_diag_ce_download) {
1179 ret = ath10k_hw_diag_fast_download(ar, address,
1180 data, data_len);
1181 if (ret == 0)
1182 /* firmware upload via diag ce was successful */
1183 return 0;
1184
1185 ath10k_warn(ar,
1186 "failed to upload firmware via diag ce, trying BMI: %d",
1187 ret);
1188 }
1189
1190 memset(&latency_qos, 0, sizeof(latency_qos));
1191 cpu_latency_qos_add_request(&latency_qos, 0);
1192
1193 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
1194
1195 cpu_latency_qos_remove_request(&latency_qos);
1196
1197 return ret;
1198 }
1199
ath10k_core_free_board_files(struct ath10k * ar)1200 void ath10k_core_free_board_files(struct ath10k *ar)
1201 {
1202 if (!IS_ERR(ar->normal_mode_fw.board))
1203 release_firmware(ar->normal_mode_fw.board);
1204
1205 if (!IS_ERR(ar->normal_mode_fw.ext_board))
1206 release_firmware(ar->normal_mode_fw.ext_board);
1207
1208 ar->normal_mode_fw.board = NULL;
1209 ar->normal_mode_fw.board_data = NULL;
1210 ar->normal_mode_fw.board_len = 0;
1211 ar->normal_mode_fw.ext_board = NULL;
1212 ar->normal_mode_fw.ext_board_data = NULL;
1213 ar->normal_mode_fw.ext_board_len = 0;
1214 }
1215 EXPORT_SYMBOL(ath10k_core_free_board_files);
1216
ath10k_core_free_firmware_files(struct ath10k * ar)1217 static void ath10k_core_free_firmware_files(struct ath10k *ar)
1218 {
1219 if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
1220 release_firmware(ar->normal_mode_fw.fw_file.firmware);
1221
1222 if (!IS_ERR(ar->cal_file))
1223 release_firmware(ar->cal_file);
1224
1225 if (!IS_ERR(ar->pre_cal_file))
1226 release_firmware(ar->pre_cal_file);
1227
1228 ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
1229
1230 ar->normal_mode_fw.fw_file.otp_data = NULL;
1231 ar->normal_mode_fw.fw_file.otp_len = 0;
1232
1233 ar->normal_mode_fw.fw_file.firmware = NULL;
1234 ar->normal_mode_fw.fw_file.firmware_data = NULL;
1235 ar->normal_mode_fw.fw_file.firmware_len = 0;
1236
1237 ar->cal_file = NULL;
1238 ar->pre_cal_file = NULL;
1239 }
1240
ath10k_fetch_cal_file(struct ath10k * ar)1241 static int ath10k_fetch_cal_file(struct ath10k *ar)
1242 {
1243 char filename[100];
1244
1245 /* pre-cal-<bus>-<id>.bin */
1246 scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
1247 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1248
1249 ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1250 if (!IS_ERR(ar->pre_cal_file))
1251 goto success;
1252
1253 /* cal-<bus>-<id>.bin */
1254 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
1255 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1256
1257 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1258 if (IS_ERR(ar->cal_file))
1259 /* calibration file is optional, don't print any warnings */
1260 return PTR_ERR(ar->cal_file);
1261 success:
1262 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
1263 ATH10K_FW_DIR, filename);
1264
1265 return 0;
1266 }
1267
ath10k_core_fetch_board_data_api_1(struct ath10k * ar,int bd_ie_type)1268 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar, int bd_ie_type)
1269 {
1270 const struct firmware *fw;
1271 char boardname[100];
1272
1273 if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1274 if (!ar->hw_params.fw.board) {
1275 ath10k_err(ar, "failed to find board file fw entry\n");
1276 return -EINVAL;
1277 }
1278
1279 scnprintf(boardname, sizeof(boardname), "board-%s-%s.bin",
1280 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1281
1282 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1283 ar->hw_params.fw.dir,
1284 boardname);
1285 if (IS_ERR(ar->normal_mode_fw.board)) {
1286 fw = ath10k_fetch_fw_file(ar,
1287 ar->hw_params.fw.dir,
1288 ar->hw_params.fw.board);
1289 ar->normal_mode_fw.board = fw;
1290 }
1291
1292 if (IS_ERR(ar->normal_mode_fw.board))
1293 return PTR_ERR(ar->normal_mode_fw.board);
1294
1295 ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
1296 ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
1297 } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1298 if (!ar->hw_params.fw.eboard) {
1299 ath10k_err(ar, "failed to find eboard file fw entry\n");
1300 return -EINVAL;
1301 }
1302
1303 fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1304 ar->hw_params.fw.eboard);
1305 ar->normal_mode_fw.ext_board = fw;
1306 if (IS_ERR(ar->normal_mode_fw.ext_board))
1307 return PTR_ERR(ar->normal_mode_fw.ext_board);
1308
1309 ar->normal_mode_fw.ext_board_data = ar->normal_mode_fw.ext_board->data;
1310 ar->normal_mode_fw.ext_board_len = ar->normal_mode_fw.ext_board->size;
1311 }
1312
1313 return 0;
1314 }
1315
ath10k_core_parse_bd_ie_board(struct ath10k * ar,const void * buf,size_t buf_len,const char * boardname,int bd_ie_type)1316 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
1317 const void *buf, size_t buf_len,
1318 const char *boardname,
1319 int bd_ie_type)
1320 {
1321 const struct ath10k_fw_ie *hdr;
1322 bool name_match_found;
1323 int ret, board_ie_id;
1324 size_t board_ie_len;
1325 const void *board_ie_data;
1326
1327 name_match_found = false;
1328
1329 /* go through ATH10K_BD_IE_BOARD_ elements */
1330 while (buf_len > sizeof(struct ath10k_fw_ie)) {
1331 hdr = buf;
1332 board_ie_id = le32_to_cpu(hdr->id);
1333 board_ie_len = le32_to_cpu(hdr->len);
1334 board_ie_data = hdr->data;
1335
1336 buf_len -= sizeof(*hdr);
1337 buf += sizeof(*hdr);
1338
1339 if (buf_len < ALIGN(board_ie_len, 4)) {
1340 ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
1341 buf_len, ALIGN(board_ie_len, 4));
1342 ret = -EINVAL;
1343 goto out;
1344 }
1345
1346 switch (board_ie_id) {
1347 case ATH10K_BD_IE_BOARD_NAME:
1348 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
1349 board_ie_data, board_ie_len);
1350
1351 if (board_ie_len != strlen(boardname))
1352 break;
1353
1354 ret = memcmp(board_ie_data, boardname, strlen(boardname));
1355 if (ret)
1356 break;
1357
1358 name_match_found = true;
1359 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1360 "boot found match for name '%s'",
1361 boardname);
1362 break;
1363 case ATH10K_BD_IE_BOARD_DATA:
1364 if (!name_match_found)
1365 /* no match found */
1366 break;
1367
1368 if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1369 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1370 "boot found board data for '%s'",
1371 boardname);
1372
1373 ar->normal_mode_fw.board_data = board_ie_data;
1374 ar->normal_mode_fw.board_len = board_ie_len;
1375 } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1376 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1377 "boot found eboard data for '%s'",
1378 boardname);
1379
1380 ar->normal_mode_fw.ext_board_data = board_ie_data;
1381 ar->normal_mode_fw.ext_board_len = board_ie_len;
1382 }
1383
1384 ret = 0;
1385 goto out;
1386 default:
1387 ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
1388 board_ie_id);
1389 break;
1390 }
1391
1392 /* jump over the padding */
1393 board_ie_len = ALIGN(board_ie_len, 4);
1394
1395 buf_len -= board_ie_len;
1396 buf += board_ie_len;
1397 }
1398
1399 /* no match found */
1400 ret = -ENOENT;
1401
1402 out:
1403 return ret;
1404 }
1405
ath10k_core_search_bd(struct ath10k * ar,const char * boardname,const u8 * data,size_t len)1406 static int ath10k_core_search_bd(struct ath10k *ar,
1407 const char *boardname,
1408 const u8 *data,
1409 size_t len)
1410 {
1411 size_t ie_len;
1412 struct ath10k_fw_ie *hdr;
1413 int ret = -ENOENT, ie_id;
1414
1415 while (len > sizeof(struct ath10k_fw_ie)) {
1416 hdr = (struct ath10k_fw_ie *)data;
1417 ie_id = le32_to_cpu(hdr->id);
1418 ie_len = le32_to_cpu(hdr->len);
1419
1420 len -= sizeof(*hdr);
1421 data = hdr->data;
1422
1423 if (len < ALIGN(ie_len, 4)) {
1424 ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1425 ie_id, ie_len, len);
1426 return -EINVAL;
1427 }
1428
1429 switch (ie_id) {
1430 case ATH10K_BD_IE_BOARD:
1431 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1432 boardname,
1433 ATH10K_BD_IE_BOARD);
1434 if (ret == -ENOENT)
1435 /* no match found, continue */
1436 break;
1437
1438 /* either found or error, so stop searching */
1439 goto out;
1440 case ATH10K_BD_IE_BOARD_EXT:
1441 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1442 boardname,
1443 ATH10K_BD_IE_BOARD_EXT);
1444 if (ret == -ENOENT)
1445 /* no match found, continue */
1446 break;
1447
1448 /* either found or error, so stop searching */
1449 goto out;
1450 }
1451
1452 /* jump over the padding */
1453 ie_len = ALIGN(ie_len, 4);
1454
1455 len -= ie_len;
1456 data += ie_len;
1457 }
1458
1459 out:
1460 /* return result of parse_bd_ie_board() or -ENOENT */
1461 return ret;
1462 }
1463
ath10k_core_fetch_board_data_api_n(struct ath10k * ar,const char * boardname,const char * fallback_boardname1,const char * fallback_boardname2,const char * filename)1464 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
1465 const char *boardname,
1466 const char *fallback_boardname1,
1467 const char *fallback_boardname2,
1468 const char *filename)
1469 {
1470 size_t len, magic_len;
1471 const u8 *data;
1472 int ret;
1473
1474 /* Skip if already fetched during board data download */
1475 if (!ar->normal_mode_fw.board)
1476 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1477 ar->hw_params.fw.dir,
1478 filename);
1479 if (IS_ERR(ar->normal_mode_fw.board))
1480 return PTR_ERR(ar->normal_mode_fw.board);
1481
1482 data = ar->normal_mode_fw.board->data;
1483 len = ar->normal_mode_fw.board->size;
1484
1485 /* magic has extra null byte padded */
1486 magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
1487 if (len < magic_len) {
1488 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
1489 ar->hw_params.fw.dir, filename, len);
1490 ret = -EINVAL;
1491 goto err;
1492 }
1493
1494 if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
1495 ath10k_err(ar, "found invalid board magic\n");
1496 ret = -EINVAL;
1497 goto err;
1498 }
1499
1500 /* magic is padded to 4 bytes */
1501 magic_len = ALIGN(magic_len, 4);
1502 if (len < magic_len) {
1503 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
1504 ar->hw_params.fw.dir, filename, len);
1505 ret = -EINVAL;
1506 goto err;
1507 }
1508
1509 data += magic_len;
1510 len -= magic_len;
1511
1512 /* attempt to find boardname in the IE list */
1513 ret = ath10k_core_search_bd(ar, boardname, data, len);
1514
1515 /* if we didn't find it and have a fallback name, try that */
1516 if (ret == -ENOENT && fallback_boardname1)
1517 ret = ath10k_core_search_bd(ar, fallback_boardname1, data, len);
1518
1519 if (ret == -ENOENT && fallback_boardname2)
1520 ret = ath10k_core_search_bd(ar, fallback_boardname2, data, len);
1521
1522 if (ret == -ENOENT) {
1523 ath10k_err(ar,
1524 "failed to fetch board data for %s from %s/%s\n",
1525 boardname, ar->hw_params.fw.dir, filename);
1526 ret = -ENODATA;
1527 }
1528
1529 if (ret)
1530 goto err;
1531
1532 return 0;
1533
1534 err:
1535 ath10k_core_free_board_files(ar);
1536 return ret;
1537 }
1538
ath10k_core_create_board_name(struct ath10k * ar,char * name,size_t name_len,bool with_variant,bool with_chip_id)1539 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1540 size_t name_len, bool with_variant,
1541 bool with_chip_id)
1542 {
1543 /* strlen(',variant=') + strlen(ar->id.bdf_ext) */
1544 char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
1545
1546 if (with_variant && ar->id.bdf_ext[0] != '\0')
1547 scnprintf(variant, sizeof(variant), ",variant=%s",
1548 ar->id.bdf_ext);
1549
1550 if (ar->id.bmi_ids_valid) {
1551 scnprintf(name, name_len,
1552 "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s",
1553 ath10k_bus_str(ar->hif.bus),
1554 ar->id.bmi_chip_id,
1555 ar->id.bmi_board_id, variant);
1556 goto out;
1557 }
1558
1559 if (ar->id.qmi_ids_valid) {
1560 if (with_chip_id)
1561 scnprintf(name, name_len,
1562 "bus=%s,qmi-board-id=%x,qmi-chip-id=%x%s",
1563 ath10k_bus_str(ar->hif.bus),
1564 ar->id.qmi_board_id, ar->id.qmi_chip_id,
1565 variant);
1566 else
1567 scnprintf(name, name_len,
1568 "bus=%s,qmi-board-id=%x",
1569 ath10k_bus_str(ar->hif.bus),
1570 ar->id.qmi_board_id);
1571 goto out;
1572 }
1573
1574 scnprintf(name, name_len,
1575 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
1576 ath10k_bus_str(ar->hif.bus),
1577 ar->id.vendor, ar->id.device,
1578 ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
1579 out:
1580 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1581
1582 return 0;
1583 }
1584
ath10k_core_create_eboard_name(struct ath10k * ar,char * name,size_t name_len)1585 static int ath10k_core_create_eboard_name(struct ath10k *ar, char *name,
1586 size_t name_len)
1587 {
1588 if (ar->id.bmi_ids_valid) {
1589 scnprintf(name, name_len,
1590 "bus=%s,bmi-chip-id=%d,bmi-eboard-id=%d",
1591 ath10k_bus_str(ar->hif.bus),
1592 ar->id.bmi_chip_id,
1593 ar->id.bmi_eboard_id);
1594
1595 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using eboard name '%s'\n", name);
1596 return 0;
1597 }
1598 /* Fallback if returned board id is zero */
1599 return -1;
1600 }
1601
ath10k_core_fetch_board_file(struct ath10k * ar,int bd_ie_type)1602 int ath10k_core_fetch_board_file(struct ath10k *ar, int bd_ie_type)
1603 {
1604 char boardname[100], fallback_boardname1[100], fallback_boardname2[100];
1605 int ret;
1606
1607 if (bd_ie_type == ATH10K_BD_IE_BOARD) {
1608 /* With variant and chip id */
1609 ret = ath10k_core_create_board_name(ar, boardname,
1610 sizeof(boardname), true,
1611 true);
1612 if (ret) {
1613 ath10k_err(ar, "failed to create board name: %d", ret);
1614 return ret;
1615 }
1616
1617 /* Without variant and only chip-id */
1618 ret = ath10k_core_create_board_name(ar, fallback_boardname1,
1619 sizeof(boardname), false,
1620 true);
1621 if (ret) {
1622 ath10k_err(ar, "failed to create 1st fallback board name: %d",
1623 ret);
1624 return ret;
1625 }
1626
1627 /* Without variant and without chip-id */
1628 ret = ath10k_core_create_board_name(ar, fallback_boardname2,
1629 sizeof(boardname), false,
1630 false);
1631 if (ret) {
1632 ath10k_err(ar, "failed to create 2nd fallback board name: %d",
1633 ret);
1634 return ret;
1635 }
1636 } else if (bd_ie_type == ATH10K_BD_IE_BOARD_EXT) {
1637 ret = ath10k_core_create_eboard_name(ar, boardname,
1638 sizeof(boardname));
1639 if (ret) {
1640 ath10k_err(ar, "fallback to eboard.bin since board id 0");
1641 goto fallback;
1642 }
1643 }
1644
1645 ar->bd_api = 2;
1646 ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1647 fallback_boardname1,
1648 fallback_boardname2,
1649 ATH10K_BOARD_API2_FILE);
1650 if (!ret)
1651 goto success;
1652
1653 fallback:
1654 ar->bd_api = 1;
1655 ret = ath10k_core_fetch_board_data_api_1(ar, bd_ie_type);
1656 if (ret) {
1657 ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
1658 ar->hw_params.fw.dir);
1659 return ret;
1660 }
1661
1662 success:
1663 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1664 return 0;
1665 }
1666 EXPORT_SYMBOL(ath10k_core_fetch_board_file);
1667
ath10k_core_get_ext_board_id_from_otp(struct ath10k * ar)1668 static int ath10k_core_get_ext_board_id_from_otp(struct ath10k *ar)
1669 {
1670 u32 result, address;
1671 u8 ext_board_id;
1672 int ret;
1673
1674 address = ar->hw_params.patch_load_addr;
1675
1676 if (!ar->normal_mode_fw.fw_file.otp_data ||
1677 !ar->normal_mode_fw.fw_file.otp_len) {
1678 ath10k_warn(ar,
1679 "failed to retrieve extended board id due to otp binary missing\n");
1680 return -ENODATA;
1681 }
1682
1683 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1684 "boot upload otp to 0x%x len %zd for ext board id\n",
1685 address, ar->normal_mode_fw.fw_file.otp_len);
1686
1687 ret = ath10k_bmi_fast_download(ar, address,
1688 ar->normal_mode_fw.fw_file.otp_data,
1689 ar->normal_mode_fw.fw_file.otp_len);
1690 if (ret) {
1691 ath10k_err(ar, "could not write otp for ext board id check: %d\n",
1692 ret);
1693 return ret;
1694 }
1695
1696 ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EXT_BOARD_ID, &result);
1697 if (ret) {
1698 ath10k_err(ar, "could not execute otp for ext board id check: %d\n",
1699 ret);
1700 return ret;
1701 }
1702
1703 if (!result) {
1704 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1705 "ext board id does not exist in otp, ignore it\n");
1706 return -EOPNOTSUPP;
1707 }
1708
1709 ext_board_id = result & ATH10K_BMI_EBOARD_ID_STATUS_MASK;
1710
1711 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1712 "boot get otp ext board id result 0x%08x ext_board_id %d\n",
1713 result, ext_board_id);
1714
1715 ar->id.bmi_eboard_id = ext_board_id;
1716
1717 return 0;
1718 }
1719
ath10k_download_board_data(struct ath10k * ar,const void * data,size_t data_len)1720 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
1721 size_t data_len)
1722 {
1723 u32 board_data_size = ar->hw_params.fw.board_size;
1724 u32 eboard_data_size = ar->hw_params.fw.ext_board_size;
1725 u32 board_address;
1726 u32 ext_board_address;
1727 int ret;
1728
1729 ret = ath10k_push_board_ext_data(ar, data, data_len);
1730 if (ret) {
1731 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
1732 goto exit;
1733 }
1734
1735 ret = ath10k_bmi_read32(ar, hi_board_data, &board_address);
1736 if (ret) {
1737 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
1738 goto exit;
1739 }
1740
1741 ret = ath10k_bmi_write_memory(ar, board_address, data,
1742 min_t(u32, board_data_size,
1743 data_len));
1744 if (ret) {
1745 ath10k_err(ar, "could not write board data (%d)\n", ret);
1746 goto exit;
1747 }
1748
1749 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
1750 if (ret) {
1751 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
1752 goto exit;
1753 }
1754
1755 if (!ar->id.ext_bid_supported)
1756 goto exit;
1757
1758 /* Extended board data download */
1759 ret = ath10k_core_get_ext_board_id_from_otp(ar);
1760 if (ret == -EOPNOTSUPP) {
1761 /* Not fetching ext_board_data if ext board id is 0 */
1762 ath10k_dbg(ar, ATH10K_DBG_BOOT, "otp returned ext board id 0\n");
1763 return 0;
1764 } else if (ret) {
1765 ath10k_err(ar, "failed to get extended board id: %d\n", ret);
1766 goto exit;
1767 }
1768
1769 ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD_EXT);
1770 if (ret)
1771 goto exit;
1772
1773 if (ar->normal_mode_fw.ext_board_data) {
1774 ext_board_address = board_address + EXT_BOARD_ADDRESS_OFFSET;
1775 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1776 "boot writing ext board data to addr 0x%x",
1777 ext_board_address);
1778 ret = ath10k_bmi_write_memory(ar, ext_board_address,
1779 ar->normal_mode_fw.ext_board_data,
1780 min_t(u32, eboard_data_size, data_len));
1781 if (ret)
1782 ath10k_err(ar, "failed to write ext board data: %d\n", ret);
1783 }
1784
1785 exit:
1786 return ret;
1787 }
1788
ath10k_download_and_run_otp(struct ath10k * ar)1789 static int ath10k_download_and_run_otp(struct ath10k *ar)
1790 {
1791 u32 result, address = ar->hw_params.patch_load_addr;
1792 u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
1793 int ret;
1794
1795 ret = ath10k_download_board_data(ar,
1796 ar->running_fw->board_data,
1797 ar->running_fw->board_len);
1798 if (ret) {
1799 ath10k_err(ar, "failed to download board data: %d\n", ret);
1800 return ret;
1801 }
1802
1803 /* OTP is optional */
1804
1805 if (!ar->running_fw->fw_file.otp_data ||
1806 !ar->running_fw->fw_file.otp_len) {
1807 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
1808 ar->running_fw->fw_file.otp_data,
1809 ar->running_fw->fw_file.otp_len);
1810 return 0;
1811 }
1812
1813 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
1814 address, ar->running_fw->fw_file.otp_len);
1815
1816 ret = ath10k_bmi_fast_download(ar, address,
1817 ar->running_fw->fw_file.otp_data,
1818 ar->running_fw->fw_file.otp_len);
1819 if (ret) {
1820 ath10k_err(ar, "could not write otp (%d)\n", ret);
1821 return ret;
1822 }
1823
1824 /* As of now pre-cal is valid for 10_4 variants */
1825 if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1826 ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE ||
1827 ar->cal_mode == ATH10K_PRE_CAL_MODE_NVMEM)
1828 bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
1829
1830 ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
1831 if (ret) {
1832 ath10k_err(ar, "could not execute otp (%d)\n", ret);
1833 return ret;
1834 }
1835
1836 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
1837
1838 if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
1839 ar->running_fw->fw_file.fw_features)) &&
1840 result != 0) {
1841 ath10k_err(ar, "otp calibration failed: %d", result);
1842 return -EINVAL;
1843 }
1844
1845 return 0;
1846 }
1847
ath10k_download_cal_file(struct ath10k * ar,const struct firmware * file)1848 static int ath10k_download_cal_file(struct ath10k *ar,
1849 const struct firmware *file)
1850 {
1851 int ret;
1852
1853 if (!file)
1854 return -ENOENT;
1855
1856 if (IS_ERR(file))
1857 return PTR_ERR(file);
1858
1859 ret = ath10k_download_board_data(ar, file->data, file->size);
1860 if (ret) {
1861 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
1862 return ret;
1863 }
1864
1865 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
1866
1867 return 0;
1868 }
1869
ath10k_download_cal_dt(struct ath10k * ar,const char * dt_name)1870 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
1871 {
1872 struct device_node *node;
1873 int data_len;
1874 void *data;
1875 int ret;
1876
1877 node = ar->dev->of_node;
1878 if (!node)
1879 /* Device Tree is optional, don't print any warnings if
1880 * there's no node for ath10k.
1881 */
1882 return -ENOENT;
1883
1884 if (!of_get_property(node, dt_name, &data_len)) {
1885 /* The calibration data node is optional */
1886 return -ENOENT;
1887 }
1888
1889 if (data_len != ar->hw_params.cal_data_len) {
1890 ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
1891 data_len);
1892 ret = -EMSGSIZE;
1893 goto out;
1894 }
1895
1896 data = kmalloc(data_len, GFP_KERNEL);
1897 if (!data) {
1898 ret = -ENOMEM;
1899 goto out;
1900 }
1901
1902 ret = of_property_read_u8_array(node, dt_name, data, data_len);
1903 if (ret) {
1904 ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
1905 ret);
1906 goto out_free;
1907 }
1908
1909 ret = ath10k_download_board_data(ar, data, data_len);
1910 if (ret) {
1911 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
1912 ret);
1913 goto out_free;
1914 }
1915
1916 ret = 0;
1917
1918 out_free:
1919 kfree(data);
1920
1921 out:
1922 return ret;
1923 }
1924
ath10k_download_cal_eeprom(struct ath10k * ar)1925 static int ath10k_download_cal_eeprom(struct ath10k *ar)
1926 {
1927 size_t data_len;
1928 void *data = NULL;
1929 int ret;
1930
1931 ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
1932 if (ret) {
1933 if (ret != -EOPNOTSUPP)
1934 ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
1935 ret);
1936 goto out_free;
1937 }
1938
1939 ret = ath10k_download_board_data(ar, data, data_len);
1940 if (ret) {
1941 ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
1942 ret);
1943 goto out_free;
1944 }
1945
1946 ret = 0;
1947
1948 out_free:
1949 kfree(data);
1950
1951 return ret;
1952 }
1953
ath10k_download_cal_nvmem(struct ath10k * ar,const char * cell_name)1954 static int ath10k_download_cal_nvmem(struct ath10k *ar, const char *cell_name)
1955 {
1956 struct nvmem_cell *cell;
1957 void *buf;
1958 size_t len;
1959 int ret;
1960
1961 cell = devm_nvmem_cell_get(ar->dev, cell_name);
1962 if (IS_ERR(cell)) {
1963 ret = PTR_ERR(cell);
1964 return ret;
1965 }
1966
1967 buf = nvmem_cell_read(cell, &len);
1968 if (IS_ERR(buf))
1969 return PTR_ERR(buf);
1970
1971 if (ar->hw_params.cal_data_len != len) {
1972 kfree(buf);
1973 ath10k_warn(ar, "invalid calibration data length in nvmem-cell '%s': %zu != %u\n",
1974 cell_name, len, ar->hw_params.cal_data_len);
1975 return -EMSGSIZE;
1976 }
1977
1978 ret = ath10k_download_board_data(ar, buf, len);
1979 kfree(buf);
1980 if (ret)
1981 ath10k_warn(ar, "failed to download calibration data from nvmem-cell '%s': %d\n",
1982 cell_name, ret);
1983
1984 return ret;
1985 }
1986
ath10k_core_fetch_firmware_api_n(struct ath10k * ar,const char * name,struct ath10k_fw_file * fw_file)1987 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1988 struct ath10k_fw_file *fw_file)
1989 {
1990 size_t magic_len, len, ie_len;
1991 int ie_id, i, index, bit, ret;
1992 struct ath10k_fw_ie *hdr;
1993 const u8 *data;
1994 __le32 *timestamp, *version;
1995
1996 /* first fetch the firmware file (firmware-*.bin) */
1997 fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1998 name);
1999 if (IS_ERR(fw_file->firmware))
2000 return PTR_ERR(fw_file->firmware);
2001
2002 data = fw_file->firmware->data;
2003 len = fw_file->firmware->size;
2004
2005 /* magic also includes the null byte, check that as well */
2006 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
2007
2008 if (len < magic_len) {
2009 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
2010 ar->hw_params.fw.dir, name, len);
2011 ret = -EINVAL;
2012 goto err;
2013 }
2014
2015 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
2016 ath10k_err(ar, "invalid firmware magic\n");
2017 ret = -EINVAL;
2018 goto err;
2019 }
2020
2021 /* jump over the padding */
2022 magic_len = ALIGN(magic_len, 4);
2023
2024 len -= magic_len;
2025 data += magic_len;
2026
2027 /* loop elements */
2028 while (len > sizeof(struct ath10k_fw_ie)) {
2029 hdr = (struct ath10k_fw_ie *)data;
2030
2031 ie_id = le32_to_cpu(hdr->id);
2032 ie_len = le32_to_cpu(hdr->len);
2033
2034 len -= sizeof(*hdr);
2035 data += sizeof(*hdr);
2036
2037 if (len < ie_len) {
2038 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
2039 ie_id, len, ie_len);
2040 ret = -EINVAL;
2041 goto err;
2042 }
2043
2044 switch (ie_id) {
2045 case ATH10K_FW_IE_FW_VERSION:
2046 if (ie_len > sizeof(fw_file->fw_version) - 1)
2047 break;
2048
2049 memcpy(fw_file->fw_version, data, ie_len);
2050 fw_file->fw_version[ie_len] = '\0';
2051
2052 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2053 "found fw version %s\n",
2054 fw_file->fw_version);
2055 break;
2056 case ATH10K_FW_IE_TIMESTAMP:
2057 if (ie_len != sizeof(u32))
2058 break;
2059
2060 timestamp = (__le32 *)data;
2061
2062 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
2063 le32_to_cpup(timestamp));
2064 break;
2065 case ATH10K_FW_IE_FEATURES:
2066 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2067 "found firmware features ie (%zd B)\n",
2068 ie_len);
2069
2070 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
2071 index = i / 8;
2072 bit = i % 8;
2073
2074 if (index == ie_len)
2075 break;
2076
2077 if (data[index] & (1 << bit)) {
2078 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2079 "Enabling feature bit: %i\n",
2080 i);
2081 __set_bit(i, fw_file->fw_features);
2082 }
2083 }
2084
2085 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
2086 fw_file->fw_features,
2087 sizeof(fw_file->fw_features));
2088 break;
2089 case ATH10K_FW_IE_FW_IMAGE:
2090 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2091 "found fw image ie (%zd B)\n",
2092 ie_len);
2093
2094 fw_file->firmware_data = data;
2095 fw_file->firmware_len = ie_len;
2096
2097 break;
2098 case ATH10K_FW_IE_OTP_IMAGE:
2099 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2100 "found otp image ie (%zd B)\n",
2101 ie_len);
2102
2103 fw_file->otp_data = data;
2104 fw_file->otp_len = ie_len;
2105
2106 break;
2107 case ATH10K_FW_IE_WMI_OP_VERSION:
2108 if (ie_len != sizeof(u32))
2109 break;
2110
2111 version = (__le32 *)data;
2112
2113 fw_file->wmi_op_version = le32_to_cpup(version);
2114
2115 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
2116 fw_file->wmi_op_version);
2117 break;
2118 case ATH10K_FW_IE_HTT_OP_VERSION:
2119 if (ie_len != sizeof(u32))
2120 break;
2121
2122 version = (__le32 *)data;
2123
2124 fw_file->htt_op_version = le32_to_cpup(version);
2125
2126 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
2127 fw_file->htt_op_version);
2128 break;
2129 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
2130 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2131 "found fw code swap image ie (%zd B)\n",
2132 ie_len);
2133 fw_file->codeswap_data = data;
2134 fw_file->codeswap_len = ie_len;
2135 break;
2136 default:
2137 ath10k_warn(ar, "Unknown FW IE: %u\n",
2138 le32_to_cpu(hdr->id));
2139 break;
2140 }
2141
2142 /* jump over the padding */
2143 ie_len = ALIGN(ie_len, 4);
2144
2145 len -= ie_len;
2146 data += ie_len;
2147 }
2148
2149 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, fw_file->fw_features) &&
2150 (!fw_file->firmware_data || !fw_file->firmware_len)) {
2151 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
2152 ar->hw_params.fw.dir, name);
2153 ret = -ENOMEDIUM;
2154 goto err;
2155 }
2156
2157 return 0;
2158
2159 err:
2160 ath10k_core_free_firmware_files(ar);
2161 return ret;
2162 }
2163
ath10k_core_get_fw_name(struct ath10k * ar,char * fw_name,size_t fw_name_len,int fw_api)2164 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
2165 size_t fw_name_len, int fw_api)
2166 {
2167 switch (ar->hif.bus) {
2168 case ATH10K_BUS_SDIO:
2169 case ATH10K_BUS_USB:
2170 scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
2171 ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
2172 fw_api);
2173 break;
2174 case ATH10K_BUS_PCI:
2175 case ATH10K_BUS_AHB:
2176 case ATH10K_BUS_SNOC:
2177 scnprintf(fw_name, fw_name_len, "%s-%d.bin",
2178 ATH10K_FW_FILE_BASE, fw_api);
2179 break;
2180 }
2181 }
2182
ath10k_core_fetch_firmware_files(struct ath10k * ar)2183 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
2184 {
2185 int ret, i;
2186 char fw_name[100];
2187
2188 /* calibration file is optional, don't check for any errors */
2189 ath10k_fetch_cal_file(ar);
2190
2191 for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
2192 ar->fw_api = i;
2193 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
2194 ar->fw_api);
2195
2196 ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
2197 ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
2198 &ar->normal_mode_fw.fw_file);
2199 if (!ret)
2200 goto success;
2201 }
2202
2203 /* we end up here if we couldn't fetch any firmware */
2204
2205 ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
2206 ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
2207 ret);
2208
2209 return ret;
2210
2211 success:
2212 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
2213
2214 return 0;
2215 }
2216
ath10k_core_pre_cal_download(struct ath10k * ar)2217 static int ath10k_core_pre_cal_download(struct ath10k *ar)
2218 {
2219 int ret;
2220
2221 ret = ath10k_download_cal_nvmem(ar, "pre-calibration");
2222 if (ret == 0) {
2223 ar->cal_mode = ATH10K_PRE_CAL_MODE_NVMEM;
2224 goto success;
2225 } else if (ret == -EPROBE_DEFER) {
2226 return ret;
2227 }
2228
2229 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2230 "boot did not find a pre-calibration nvmem-cell, try file next: %d\n",
2231 ret);
2232
2233 ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
2234 if (ret == 0) {
2235 ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
2236 goto success;
2237 }
2238
2239 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2240 "boot did not find a pre calibration file, try DT next: %d\n",
2241 ret);
2242
2243 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
2244 if (ret) {
2245 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2246 "unable to load pre cal data from DT: %d\n", ret);
2247 return ret;
2248 }
2249 ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
2250
2251 success:
2252 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2253 ath10k_cal_mode_str(ar->cal_mode));
2254
2255 return 0;
2256 }
2257
ath10k_core_pre_cal_config(struct ath10k * ar)2258 static int ath10k_core_pre_cal_config(struct ath10k *ar)
2259 {
2260 int ret;
2261
2262 ret = ath10k_core_pre_cal_download(ar);
2263 if (ret) {
2264 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2265 "failed to load pre cal data: %d\n", ret);
2266 return ret;
2267 }
2268
2269 ret = ath10k_core_get_board_id_from_otp(ar);
2270 if (ret) {
2271 ath10k_err(ar, "failed to get board id: %d\n", ret);
2272 return ret;
2273 }
2274
2275 ret = ath10k_download_and_run_otp(ar);
2276 if (ret) {
2277 ath10k_err(ar, "failed to run otp: %d\n", ret);
2278 return ret;
2279 }
2280
2281 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2282 "pre cal configuration done successfully\n");
2283
2284 return 0;
2285 }
2286
ath10k_download_cal_data(struct ath10k * ar)2287 static int ath10k_download_cal_data(struct ath10k *ar)
2288 {
2289 int ret;
2290
2291 ret = ath10k_core_pre_cal_config(ar);
2292 if (ret == 0)
2293 return 0;
2294
2295 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2296 "pre cal download procedure failed, try cal file: %d\n",
2297 ret);
2298
2299 ret = ath10k_download_cal_nvmem(ar, "calibration");
2300 if (ret == 0) {
2301 ar->cal_mode = ATH10K_CAL_MODE_NVMEM;
2302 goto done;
2303 } else if (ret == -EPROBE_DEFER) {
2304 return ret;
2305 }
2306
2307 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2308 "boot did not find a calibration nvmem-cell, try file next: %d\n",
2309 ret);
2310
2311 ret = ath10k_download_cal_file(ar, ar->cal_file);
2312 if (ret == 0) {
2313 ar->cal_mode = ATH10K_CAL_MODE_FILE;
2314 goto done;
2315 }
2316
2317 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2318 "boot did not find a calibration file, try DT next: %d\n",
2319 ret);
2320
2321 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
2322 if (ret == 0) {
2323 ar->cal_mode = ATH10K_CAL_MODE_DT;
2324 goto done;
2325 }
2326
2327 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2328 "boot did not find DT entry, try target EEPROM next: %d\n",
2329 ret);
2330
2331 ret = ath10k_download_cal_eeprom(ar);
2332 if (ret == 0) {
2333 ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
2334 goto done;
2335 }
2336
2337 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2338 "boot did not find target EEPROM entry, try OTP next: %d\n",
2339 ret);
2340
2341 ret = ath10k_download_and_run_otp(ar);
2342 if (ret) {
2343 ath10k_err(ar, "failed to run otp: %d\n", ret);
2344 return ret;
2345 }
2346
2347 ar->cal_mode = ATH10K_CAL_MODE_OTP;
2348
2349 done:
2350 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
2351 ath10k_cal_mode_str(ar->cal_mode));
2352 return 0;
2353 }
2354
ath10k_core_fetch_btcoex_dt(struct ath10k * ar)2355 static void ath10k_core_fetch_btcoex_dt(struct ath10k *ar)
2356 {
2357 struct device_node *node;
2358 u8 coex_support = 0;
2359 int ret;
2360
2361 node = ar->dev->of_node;
2362 if (!node)
2363 goto out;
2364
2365 ret = of_property_read_u8(node, "qcom,coexist-support", &coex_support);
2366 if (ret) {
2367 ar->coex_support = true;
2368 goto out;
2369 }
2370
2371 if (coex_support) {
2372 ar->coex_support = true;
2373 } else {
2374 ar->coex_support = false;
2375 ar->coex_gpio_pin = -1;
2376 goto out;
2377 }
2378
2379 ret = of_property_read_u32(node, "qcom,coexist-gpio-pin",
2380 &ar->coex_gpio_pin);
2381 if (ret)
2382 ar->coex_gpio_pin = -1;
2383
2384 out:
2385 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot coex_support %d coex_gpio_pin %d\n",
2386 ar->coex_support, ar->coex_gpio_pin);
2387 }
2388
ath10k_init_uart(struct ath10k * ar)2389 static int ath10k_init_uart(struct ath10k *ar)
2390 {
2391 int ret;
2392
2393 /*
2394 * Explicitly setting UART prints to zero as target turns it on
2395 * based on scratch registers.
2396 */
2397 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
2398 if (ret) {
2399 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
2400 return ret;
2401 }
2402
2403 if (!uart_print) {
2404 if (ar->hw_params.uart_pin_workaround) {
2405 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin,
2406 ar->hw_params.uart_pin);
2407 if (ret) {
2408 ath10k_warn(ar, "failed to set UART TX pin: %d",
2409 ret);
2410 return ret;
2411 }
2412 }
2413
2414 return 0;
2415 }
2416
2417 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
2418 if (ret) {
2419 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2420 return ret;
2421 }
2422
2423 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
2424 if (ret) {
2425 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
2426 return ret;
2427 }
2428
2429 /* Set the UART baud rate to 19200. */
2430 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
2431 if (ret) {
2432 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
2433 return ret;
2434 }
2435
2436 ath10k_info(ar, "UART prints enabled\n");
2437 return 0;
2438 }
2439
ath10k_init_hw_params(struct ath10k * ar)2440 static int ath10k_init_hw_params(struct ath10k *ar)
2441 {
2442 const struct ath10k_hw_params *hw_params;
2443 int i;
2444
2445 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
2446 hw_params = &ath10k_hw_params_list[i];
2447
2448 if (hw_params->bus == ar->hif.bus &&
2449 hw_params->id == ar->target_version &&
2450 hw_params->dev_id == ar->dev_id)
2451 break;
2452 }
2453
2454 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
2455 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
2456 ar->target_version);
2457 return -EINVAL;
2458 }
2459
2460 ar->hw_params = *hw_params;
2461
2462 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
2463 ar->hw_params.name, ar->target_version);
2464
2465 return 0;
2466 }
2467
ath10k_core_start_recovery(struct ath10k * ar)2468 void ath10k_core_start_recovery(struct ath10k *ar)
2469 {
2470 if (test_and_set_bit(ATH10K_FLAG_RESTARTING, &ar->dev_flags)) {
2471 ath10k_warn(ar, "already restarting\n");
2472 return;
2473 }
2474
2475 queue_work(ar->workqueue, &ar->restart_work);
2476 }
2477 EXPORT_SYMBOL(ath10k_core_start_recovery);
2478
ath10k_core_napi_enable(struct ath10k * ar)2479 void ath10k_core_napi_enable(struct ath10k *ar)
2480 {
2481 lockdep_assert_held(&ar->conf_mutex);
2482
2483 if (test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags))
2484 return;
2485
2486 napi_enable(&ar->napi);
2487 set_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags);
2488 }
2489 EXPORT_SYMBOL(ath10k_core_napi_enable);
2490
ath10k_core_napi_sync_disable(struct ath10k * ar)2491 void ath10k_core_napi_sync_disable(struct ath10k *ar)
2492 {
2493 lockdep_assert_held(&ar->conf_mutex);
2494
2495 if (!test_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags))
2496 return;
2497
2498 napi_synchronize(&ar->napi);
2499 napi_disable(&ar->napi);
2500 clear_bit(ATH10K_FLAG_NAPI_ENABLED, &ar->dev_flags);
2501 }
2502 EXPORT_SYMBOL(ath10k_core_napi_sync_disable);
2503
ath10k_core_restart(struct work_struct * work)2504 static void ath10k_core_restart(struct work_struct *work)
2505 {
2506 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
2507 int ret;
2508
2509 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2510
2511 /* Place a barrier to make sure the compiler doesn't reorder
2512 * CRASH_FLUSH and calling other functions.
2513 */
2514 barrier();
2515
2516 ieee80211_stop_queues(ar->hw);
2517 ath10k_drain_tx(ar);
2518 complete(&ar->scan.started);
2519 complete(&ar->scan.completed);
2520 complete(&ar->scan.on_channel);
2521 complete(&ar->offchan_tx_completed);
2522 complete(&ar->install_key_done);
2523 complete(&ar->vdev_setup_done);
2524 complete(&ar->vdev_delete_done);
2525 complete(&ar->thermal.wmi_sync);
2526 complete(&ar->bss_survey_done);
2527 wake_up(&ar->htt.empty_tx_wq);
2528 wake_up(&ar->wmi.tx_credits_wq);
2529 wake_up(&ar->peer_mapping_wq);
2530
2531 /* TODO: We can have one instance of cancelling coverage_class_work by
2532 * moving it to ath10k_halt(), so that both stop() and restart() would
2533 * call that but it takes conf_mutex() and if we call cancel_work_sync()
2534 * with conf_mutex it will deadlock.
2535 */
2536 cancel_work_sync(&ar->set_coverage_class_work);
2537
2538 mutex_lock(&ar->conf_mutex);
2539
2540 switch (ar->state) {
2541 case ATH10K_STATE_ON:
2542 ar->state = ATH10K_STATE_RESTARTING;
2543 ath10k_halt(ar);
2544 ath10k_scan_finish(ar);
2545 ieee80211_restart_hw(ar->hw);
2546 break;
2547 case ATH10K_STATE_OFF:
2548 /* this can happen if driver is being unloaded
2549 * or if the crash happens during FW probing
2550 */
2551 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
2552 break;
2553 case ATH10K_STATE_RESTARTING:
2554 /* hw restart might be requested from multiple places */
2555 break;
2556 case ATH10K_STATE_RESTARTED:
2557 ar->state = ATH10K_STATE_WEDGED;
2558 fallthrough;
2559 case ATH10K_STATE_WEDGED:
2560 ath10k_warn(ar, "device is wedged, will not restart\n");
2561 break;
2562 case ATH10K_STATE_UTF:
2563 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
2564 break;
2565 }
2566
2567 mutex_unlock(&ar->conf_mutex);
2568
2569 ret = ath10k_coredump_submit(ar);
2570 if (ret)
2571 ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
2572 ret);
2573
2574 complete(&ar->driver_recovery);
2575 }
2576
ath10k_core_set_coverage_class_work(struct work_struct * work)2577 static void ath10k_core_set_coverage_class_work(struct work_struct *work)
2578 {
2579 struct ath10k *ar = container_of(work, struct ath10k,
2580 set_coverage_class_work);
2581
2582 if (ar->hw_params.hw_ops->set_coverage_class)
2583 ar->hw_params.hw_ops->set_coverage_class(ar, -1);
2584 }
2585
ath10k_core_init_firmware_features(struct ath10k * ar)2586 static int ath10k_core_init_firmware_features(struct ath10k *ar)
2587 {
2588 struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2589 int max_num_peers;
2590
2591 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
2592 !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2593 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
2594 return -EINVAL;
2595 }
2596
2597 if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
2598 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
2599 ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
2600 return -EINVAL;
2601 }
2602
2603 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
2604 switch (ath10k_cryptmode_param) {
2605 case ATH10K_CRYPT_MODE_HW:
2606 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2607 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2608 break;
2609 case ATH10K_CRYPT_MODE_SW:
2610 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2611 fw_file->fw_features)) {
2612 ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
2613 return -EINVAL;
2614 }
2615
2616 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2617 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2618 break;
2619 default:
2620 ath10k_info(ar, "invalid cryptmode: %d\n",
2621 ath10k_cryptmode_param);
2622 return -EINVAL;
2623 }
2624
2625 ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
2626 ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
2627
2628 if (ath10k_frame_mode == ATH10K_HW_TXRX_RAW) {
2629 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2630 fw_file->fw_features)) {
2631 ath10k_err(ar, "rawmode = 1 requires support from firmware");
2632 return -EINVAL;
2633 }
2634 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2635 }
2636
2637 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
2638 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
2639
2640 /* Workaround:
2641 *
2642 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
2643 * and causes enormous performance issues (malformed frames,
2644 * etc).
2645 *
2646 * Disabling A-MSDU makes RAW mode stable with heavy traffic
2647 * albeit a bit slower compared to regular operation.
2648 */
2649 ar->htt.max_num_amsdu = 1;
2650 }
2651
2652 /* Backwards compatibility for firmwares without
2653 * ATH10K_FW_IE_WMI_OP_VERSION.
2654 */
2655 if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
2656 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2657 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
2658 fw_file->fw_features))
2659 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
2660 else
2661 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
2662 } else {
2663 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
2664 }
2665 }
2666
2667 switch (fw_file->wmi_op_version) {
2668 case ATH10K_FW_WMI_OP_VERSION_MAIN:
2669 max_num_peers = TARGET_NUM_PEERS;
2670 ar->max_num_stations = TARGET_NUM_STATIONS;
2671 ar->max_num_vdevs = TARGET_NUM_VDEVS;
2672 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
2673 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2674 WMI_STAT_PEER;
2675 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2676 break;
2677 case ATH10K_FW_WMI_OP_VERSION_10_1:
2678 case ATH10K_FW_WMI_OP_VERSION_10_2:
2679 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2680 if (ath10k_peer_stats_enabled(ar)) {
2681 max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
2682 ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
2683 } else {
2684 max_num_peers = TARGET_10X_NUM_PEERS;
2685 ar->max_num_stations = TARGET_10X_NUM_STATIONS;
2686 }
2687 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
2688 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
2689 ar->fw_stats_req_mask = WMI_STAT_PEER;
2690 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2691 break;
2692 case ATH10K_FW_WMI_OP_VERSION_TLV:
2693 max_num_peers = TARGET_TLV_NUM_PEERS;
2694 ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
2695 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
2696 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
2697 if (ar->hif.bus == ATH10K_BUS_SDIO)
2698 ar->htt.max_num_pending_tx =
2699 TARGET_TLV_NUM_MSDU_DESC_HL;
2700 else
2701 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
2702 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
2703 ar->fw_stats_req_mask = WMI_TLV_STAT_PDEV | WMI_TLV_STAT_VDEV |
2704 WMI_TLV_STAT_PEER | WMI_TLV_STAT_PEER_EXTD;
2705 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2706 ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC;
2707 break;
2708 case ATH10K_FW_WMI_OP_VERSION_10_4:
2709 max_num_peers = TARGET_10_4_NUM_PEERS;
2710 ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
2711 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
2712 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
2713 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
2714 ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
2715 WMI_10_4_STAT_PEER_EXTD |
2716 WMI_10_4_STAT_VDEV_EXTD;
2717 ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
2718 ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
2719
2720 if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
2721 fw_file->fw_features))
2722 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
2723 else
2724 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
2725 break;
2726 case ATH10K_FW_WMI_OP_VERSION_UNSET:
2727 case ATH10K_FW_WMI_OP_VERSION_MAX:
2728 default:
2729 WARN_ON(1);
2730 return -EINVAL;
2731 }
2732
2733 if (ar->hw_params.num_peers)
2734 ar->max_num_peers = ar->hw_params.num_peers;
2735 else
2736 ar->max_num_peers = max_num_peers;
2737
2738 /* Backwards compatibility for firmwares without
2739 * ATH10K_FW_IE_HTT_OP_VERSION.
2740 */
2741 if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
2742 switch (fw_file->wmi_op_version) {
2743 case ATH10K_FW_WMI_OP_VERSION_MAIN:
2744 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
2745 break;
2746 case ATH10K_FW_WMI_OP_VERSION_10_1:
2747 case ATH10K_FW_WMI_OP_VERSION_10_2:
2748 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2749 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
2750 break;
2751 case ATH10K_FW_WMI_OP_VERSION_TLV:
2752 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
2753 break;
2754 case ATH10K_FW_WMI_OP_VERSION_10_4:
2755 case ATH10K_FW_WMI_OP_VERSION_UNSET:
2756 case ATH10K_FW_WMI_OP_VERSION_MAX:
2757 ath10k_err(ar, "htt op version not found from fw meta data");
2758 return -EINVAL;
2759 }
2760 }
2761
2762 return 0;
2763 }
2764
ath10k_core_reset_rx_filter(struct ath10k * ar)2765 static int ath10k_core_reset_rx_filter(struct ath10k *ar)
2766 {
2767 int ret;
2768 int vdev_id;
2769 int vdev_type;
2770 int vdev_subtype;
2771 const u8 *vdev_addr;
2772
2773 vdev_id = 0;
2774 vdev_type = WMI_VDEV_TYPE_STA;
2775 vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
2776 vdev_addr = ar->mac_addr;
2777
2778 ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
2779 vdev_addr);
2780 if (ret) {
2781 ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
2782 return ret;
2783 }
2784
2785 ret = ath10k_wmi_vdev_delete(ar, vdev_id);
2786 if (ret) {
2787 ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
2788 return ret;
2789 }
2790
2791 /* WMI and HTT may use separate HIF pipes and are not guaranteed to be
2792 * serialized properly implicitly.
2793 *
2794 * Moreover (most) WMI commands have no explicit acknowledges. It is
2795 * possible to infer it implicitly by poking firmware with echo
2796 * command - getting a reply means all preceding comments have been
2797 * (mostly) processed.
2798 *
2799 * In case of vdev create/delete this is sufficient.
2800 *
2801 * Without this it's possible to end up with a race when HTT Rx ring is
2802 * started before vdev create/delete hack is complete allowing a short
2803 * window of opportunity to receive (and Tx ACK) a bunch of frames.
2804 */
2805 ret = ath10k_wmi_barrier(ar);
2806 if (ret) {
2807 ath10k_err(ar, "failed to ping firmware: %d\n", ret);
2808 return ret;
2809 }
2810
2811 return 0;
2812 }
2813
ath10k_core_compat_services(struct ath10k * ar)2814 static int ath10k_core_compat_services(struct ath10k *ar)
2815 {
2816 struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
2817
2818 /* all 10.x firmware versions support thermal throttling but don't
2819 * advertise the support via service flags so we have to hardcode
2820 * it here
2821 */
2822 switch (fw_file->wmi_op_version) {
2823 case ATH10K_FW_WMI_OP_VERSION_10_1:
2824 case ATH10K_FW_WMI_OP_VERSION_10_2:
2825 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2826 case ATH10K_FW_WMI_OP_VERSION_10_4:
2827 set_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map);
2828 break;
2829 default:
2830 break;
2831 }
2832
2833 return 0;
2834 }
2835
2836 #define TGT_IRAM_READ_PER_ITR (8 * 1024)
2837
ath10k_core_copy_target_iram(struct ath10k * ar)2838 static int ath10k_core_copy_target_iram(struct ath10k *ar)
2839 {
2840 const struct ath10k_hw_mem_layout *hw_mem;
2841 const struct ath10k_mem_region *tmp, *mem_region = NULL;
2842 dma_addr_t paddr;
2843 void *vaddr = NULL;
2844 u8 num_read_itr;
2845 int i, ret;
2846 u32 len, remaining_len;
2847
2848 /* copy target iram feature must work also when
2849 * ATH10K_FW_CRASH_DUMP_RAM_DATA is disabled, so
2850 * _ath10k_coredump_get_mem_layout() to accomplist that
2851 */
2852 hw_mem = _ath10k_coredump_get_mem_layout(ar);
2853 if (!hw_mem)
2854 /* if CONFIG_DEV_COREDUMP is disabled we get NULL, then
2855 * just silently disable the feature by doing nothing
2856 */
2857 return 0;
2858
2859 for (i = 0; i < hw_mem->region_table.size; i++) {
2860 tmp = &hw_mem->region_table.regions[i];
2861 if (tmp->type == ATH10K_MEM_REGION_TYPE_REG) {
2862 mem_region = tmp;
2863 break;
2864 }
2865 }
2866
2867 if (!mem_region)
2868 return -ENOMEM;
2869
2870 for (i = 0; i < ar->wmi.num_mem_chunks; i++) {
2871 if (ar->wmi.mem_chunks[i].req_id ==
2872 WMI_IRAM_RECOVERY_HOST_MEM_REQ_ID) {
2873 vaddr = ar->wmi.mem_chunks[i].vaddr;
2874 len = ar->wmi.mem_chunks[i].len;
2875 break;
2876 }
2877 }
2878
2879 if (!vaddr || !len) {
2880 ath10k_warn(ar, "No allocated memory for IRAM back up");
2881 return -ENOMEM;
2882 }
2883
2884 len = (len < mem_region->len) ? len : mem_region->len;
2885 paddr = mem_region->start;
2886 num_read_itr = len / TGT_IRAM_READ_PER_ITR;
2887 remaining_len = len % TGT_IRAM_READ_PER_ITR;
2888 for (i = 0; i < num_read_itr; i++) {
2889 ret = ath10k_hif_diag_read(ar, paddr, vaddr,
2890 TGT_IRAM_READ_PER_ITR);
2891 if (ret) {
2892 ath10k_warn(ar, "failed to copy firmware IRAM contents: %d",
2893 ret);
2894 return ret;
2895 }
2896
2897 paddr += TGT_IRAM_READ_PER_ITR;
2898 vaddr += TGT_IRAM_READ_PER_ITR;
2899 }
2900
2901 if (remaining_len) {
2902 ret = ath10k_hif_diag_read(ar, paddr, vaddr, remaining_len);
2903 if (ret) {
2904 ath10k_warn(ar, "failed to copy firmware IRAM contents: %d",
2905 ret);
2906 return ret;
2907 }
2908 }
2909
2910 ath10k_dbg(ar, ATH10K_DBG_BOOT, "target IRAM back up completed\n");
2911
2912 return 0;
2913 }
2914
ath10k_core_start(struct ath10k * ar,enum ath10k_firmware_mode mode,const struct ath10k_fw_components * fw)2915 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
2916 const struct ath10k_fw_components *fw)
2917 {
2918 int status;
2919 u32 val;
2920
2921 lockdep_assert_held(&ar->conf_mutex);
2922
2923 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2924
2925 ar->running_fw = fw;
2926
2927 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2928 ar->running_fw->fw_file.fw_features)) {
2929 ath10k_bmi_start(ar);
2930
2931 /* Enable hardware clock to speed up firmware download */
2932 if (ar->hw_params.hw_ops->enable_pll_clk) {
2933 status = ar->hw_params.hw_ops->enable_pll_clk(ar);
2934 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot enable pll ret %d\n",
2935 status);
2936 }
2937
2938 if (ath10k_init_configure_target(ar)) {
2939 status = -EINVAL;
2940 goto err;
2941 }
2942
2943 status = ath10k_download_cal_data(ar);
2944 if (status)
2945 goto err;
2946
2947 /* Some of qca988x solutions are having global reset issue
2948 * during target initialization. Bypassing PLL setting before
2949 * downloading firmware and letting the SoC run on REF_CLK is
2950 * fixing the problem. Corresponding firmware change is also
2951 * needed to set the clock source once the target is
2952 * initialized.
2953 */
2954 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
2955 ar->running_fw->fw_file.fw_features)) {
2956 status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
2957 if (status) {
2958 ath10k_err(ar, "could not write to skip_clock_init: %d\n",
2959 status);
2960 goto err;
2961 }
2962 }
2963
2964 status = ath10k_download_fw(ar);
2965 if (status)
2966 goto err;
2967
2968 status = ath10k_init_uart(ar);
2969 if (status)
2970 goto err;
2971
2972 if (ar->hif.bus == ATH10K_BUS_SDIO) {
2973 status = ath10k_init_sdio(ar, mode);
2974 if (status) {
2975 ath10k_err(ar, "failed to init SDIO: %d\n", status);
2976 goto err;
2977 }
2978 }
2979 }
2980
2981 ar->htc.htc_ops.target_send_suspend_complete =
2982 ath10k_send_suspend_complete;
2983
2984 status = ath10k_htc_init(ar);
2985 if (status) {
2986 ath10k_err(ar, "could not init HTC (%d)\n", status);
2987 goto err;
2988 }
2989
2990 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2991 ar->running_fw->fw_file.fw_features)) {
2992 status = ath10k_bmi_done(ar);
2993 if (status)
2994 goto err;
2995 }
2996
2997 status = ath10k_wmi_attach(ar);
2998 if (status) {
2999 ath10k_err(ar, "WMI attach failed: %d\n", status);
3000 goto err;
3001 }
3002
3003 status = ath10k_htt_init(ar);
3004 if (status) {
3005 ath10k_err(ar, "failed to init htt: %d\n", status);
3006 goto err_wmi_detach;
3007 }
3008
3009 status = ath10k_htt_tx_start(&ar->htt);
3010 if (status) {
3011 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
3012 goto err_wmi_detach;
3013 }
3014
3015 /* If firmware indicates Full Rx Reorder support it must be used in a
3016 * slightly different manner. Let HTT code know.
3017 */
3018 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
3019 ar->wmi.svc_map));
3020
3021 status = ath10k_htt_rx_alloc(&ar->htt);
3022 if (status) {
3023 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
3024 goto err_htt_tx_detach;
3025 }
3026
3027 status = ath10k_hif_start(ar);
3028 if (status) {
3029 ath10k_err(ar, "could not start HIF: %d\n", status);
3030 goto err_htt_rx_detach;
3031 }
3032
3033 status = ath10k_htc_wait_target(&ar->htc);
3034 if (status) {
3035 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
3036 goto err_hif_stop;
3037 }
3038
3039 status = ath10k_hif_start_post(ar);
3040 if (status) {
3041 ath10k_err(ar, "failed to swap mailbox: %d\n", status);
3042 goto err_hif_stop;
3043 }
3044
3045 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3046 status = ath10k_htt_connect(&ar->htt);
3047 if (status) {
3048 ath10k_err(ar, "failed to connect htt (%d)\n", status);
3049 goto err_hif_stop;
3050 }
3051 }
3052
3053 status = ath10k_wmi_connect(ar);
3054 if (status) {
3055 ath10k_err(ar, "could not connect wmi: %d\n", status);
3056 goto err_hif_stop;
3057 }
3058
3059 status = ath10k_htc_start(&ar->htc);
3060 if (status) {
3061 ath10k_err(ar, "failed to start htc: %d\n", status);
3062 goto err_hif_stop;
3063 }
3064
3065 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3066 status = ath10k_wmi_wait_for_service_ready(ar);
3067 if (status) {
3068 ath10k_warn(ar, "wmi service ready event not received");
3069 goto err_hif_stop;
3070 }
3071 }
3072
3073 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
3074 ar->hw->wiphy->fw_version);
3075
3076 if (test_bit(ATH10K_FW_FEATURE_IRAM_RECOVERY,
3077 ar->running_fw->fw_file.fw_features)) {
3078 status = ath10k_core_copy_target_iram(ar);
3079 if (status) {
3080 ath10k_warn(ar, "failed to copy target iram contents: %d",
3081 status);
3082 goto err_hif_stop;
3083 }
3084 }
3085
3086 if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
3087 mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3088 val = 0;
3089 if (ath10k_peer_stats_enabled(ar))
3090 val = WMI_10_4_PEER_STATS;
3091
3092 /* Enable vdev stats by default */
3093 val |= WMI_10_4_VDEV_STATS;
3094
3095 if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
3096 val |= WMI_10_4_BSS_CHANNEL_INFO_64;
3097
3098 ath10k_core_fetch_btcoex_dt(ar);
3099
3100 /* 10.4 firmware supports BT-Coex without reloading firmware
3101 * via pdev param. To support Bluetooth coexistence pdev param,
3102 * WMI_COEX_GPIO_SUPPORT of extended resource config should be
3103 * enabled always.
3104 *
3105 * We can still enable BTCOEX if firmware has the support
3106 * even though btceox_support value is
3107 * ATH10K_DT_BTCOEX_NOT_FOUND
3108 */
3109
3110 if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
3111 test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
3112 ar->running_fw->fw_file.fw_features) &&
3113 ar->coex_support)
3114 val |= WMI_10_4_COEX_GPIO_SUPPORT;
3115
3116 if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
3117 ar->wmi.svc_map))
3118 val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
3119
3120 if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
3121 ar->wmi.svc_map))
3122 val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
3123
3124 if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI,
3125 ar->wmi.svc_map))
3126 val |= WMI_10_4_TX_DATA_ACK_RSSI;
3127
3128 if (test_bit(WMI_SERVICE_REPORT_AIRTIME, ar->wmi.svc_map))
3129 val |= WMI_10_4_REPORT_AIRTIME;
3130
3131 if (test_bit(WMI_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT,
3132 ar->wmi.svc_map))
3133 val |= WMI_10_4_EXT_PEER_TID_CONFIGS_SUPPORT;
3134
3135 status = ath10k_mac_ext_resource_config(ar, val);
3136 if (status) {
3137 ath10k_err(ar,
3138 "failed to send ext resource cfg command : %d\n",
3139 status);
3140 goto err_hif_stop;
3141 }
3142 }
3143
3144 status = ath10k_wmi_cmd_init(ar);
3145 if (status) {
3146 ath10k_err(ar, "could not send WMI init command (%d)\n",
3147 status);
3148 goto err_hif_stop;
3149 }
3150
3151 status = ath10k_wmi_wait_for_unified_ready(ar);
3152 if (status) {
3153 ath10k_err(ar, "wmi unified ready event not received\n");
3154 goto err_hif_stop;
3155 }
3156
3157 status = ath10k_core_compat_services(ar);
3158 if (status) {
3159 ath10k_err(ar, "compat services failed: %d\n", status);
3160 goto err_hif_stop;
3161 }
3162
3163 status = ath10k_wmi_pdev_set_base_macaddr(ar, ar->mac_addr);
3164 if (status && status != -EOPNOTSUPP) {
3165 ath10k_err(ar,
3166 "failed to set base mac address: %d\n", status);
3167 goto err_hif_stop;
3168 }
3169
3170 /* Some firmware revisions do not properly set up hardware rx filter
3171 * registers.
3172 *
3173 * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
3174 * is filled with 0s instead of 1s allowing HW to respond with ACKs to
3175 * any frames that matches MAC_PCU_RX_FILTER which is also
3176 * misconfigured to accept anything.
3177 *
3178 * The ADDR1 is programmed using internal firmware structure field and
3179 * can't be (easily/sanely) reached from the driver explicitly. It is
3180 * possible to implicitly make it correct by creating a dummy vdev and
3181 * then deleting it.
3182 */
3183 if (ar->hw_params.hw_filter_reset_required &&
3184 mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3185 status = ath10k_core_reset_rx_filter(ar);
3186 if (status) {
3187 ath10k_err(ar,
3188 "failed to reset rx filter: %d\n", status);
3189 goto err_hif_stop;
3190 }
3191 }
3192
3193 status = ath10k_htt_rx_ring_refill(ar);
3194 if (status) {
3195 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
3196 goto err_hif_stop;
3197 }
3198
3199 if (ar->max_num_vdevs >= 64)
3200 ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
3201 else
3202 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
3203
3204 INIT_LIST_HEAD(&ar->arvifs);
3205
3206 /* we don't care about HTT in UTF mode */
3207 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
3208 status = ath10k_htt_setup(&ar->htt);
3209 if (status) {
3210 ath10k_err(ar, "failed to setup htt: %d\n", status);
3211 goto err_hif_stop;
3212 }
3213 }
3214
3215 status = ath10k_debug_start(ar);
3216 if (status)
3217 goto err_hif_stop;
3218
3219 status = ath10k_hif_set_target_log_mode(ar, fw_diag_log);
3220 if (status && status != -EOPNOTSUPP) {
3221 ath10k_warn(ar, "set target log mode failed: %d\n", status);
3222 goto err_hif_stop;
3223 }
3224
3225 return 0;
3226
3227 err_hif_stop:
3228 ath10k_hif_stop(ar);
3229 err_htt_rx_detach:
3230 ath10k_htt_rx_free(&ar->htt);
3231 err_htt_tx_detach:
3232 ath10k_htt_tx_free(&ar->htt);
3233 err_wmi_detach:
3234 ath10k_wmi_detach(ar);
3235 err:
3236 return status;
3237 }
3238 EXPORT_SYMBOL(ath10k_core_start);
3239
ath10k_wait_for_suspend(struct ath10k * ar,u32 suspend_opt)3240 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
3241 {
3242 int ret;
3243 unsigned long time_left;
3244
3245 reinit_completion(&ar->target_suspend);
3246
3247 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
3248 if (ret) {
3249 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
3250 return ret;
3251 }
3252
3253 time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
3254
3255 if (!time_left) {
3256 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
3257 return -ETIMEDOUT;
3258 }
3259
3260 return 0;
3261 }
3262
ath10k_core_stop(struct ath10k * ar)3263 void ath10k_core_stop(struct ath10k *ar)
3264 {
3265 lockdep_assert_held(&ar->conf_mutex);
3266 ath10k_debug_stop(ar);
3267
3268 /* try to suspend target */
3269 if (ar->state != ATH10K_STATE_RESTARTING &&
3270 ar->state != ATH10K_STATE_UTF)
3271 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
3272
3273 ath10k_hif_stop(ar);
3274 ath10k_htt_tx_stop(&ar->htt);
3275 ath10k_htt_rx_free(&ar->htt);
3276 ath10k_wmi_detach(ar);
3277
3278 ar->id.bmi_ids_valid = false;
3279 }
3280 EXPORT_SYMBOL(ath10k_core_stop);
3281
3282 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
3283 * order to know what hw capabilities should be advertised to mac80211 it is
3284 * necessary to load the firmware (and tear it down immediately since start
3285 * hook will try to init it again) before registering
3286 */
ath10k_core_probe_fw(struct ath10k * ar)3287 static int ath10k_core_probe_fw(struct ath10k *ar)
3288 {
3289 struct bmi_target_info target_info;
3290 int ret = 0;
3291
3292 ret = ath10k_hif_power_up(ar, ATH10K_FIRMWARE_MODE_NORMAL);
3293 if (ret) {
3294 ath10k_err(ar, "could not power on hif bus (%d)\n", ret);
3295 return ret;
3296 }
3297
3298 switch (ar->hif.bus) {
3299 case ATH10K_BUS_SDIO:
3300 memset(&target_info, 0, sizeof(target_info));
3301 ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
3302 if (ret) {
3303 ath10k_err(ar, "could not get target info (%d)\n", ret);
3304 goto err_power_down;
3305 }
3306 ar->target_version = target_info.version;
3307 ar->hw->wiphy->hw_version = target_info.version;
3308 break;
3309 case ATH10K_BUS_PCI:
3310 case ATH10K_BUS_AHB:
3311 case ATH10K_BUS_USB:
3312 memset(&target_info, 0, sizeof(target_info));
3313 ret = ath10k_bmi_get_target_info(ar, &target_info);
3314 if (ret) {
3315 ath10k_err(ar, "could not get target info (%d)\n", ret);
3316 goto err_power_down;
3317 }
3318 ar->target_version = target_info.version;
3319 ar->hw->wiphy->hw_version = target_info.version;
3320 break;
3321 case ATH10K_BUS_SNOC:
3322 memset(&target_info, 0, sizeof(target_info));
3323 ret = ath10k_hif_get_target_info(ar, &target_info);
3324 if (ret) {
3325 ath10k_err(ar, "could not get target info (%d)\n", ret);
3326 goto err_power_down;
3327 }
3328 ar->target_version = target_info.version;
3329 ar->hw->wiphy->hw_version = target_info.version;
3330 break;
3331 default:
3332 ath10k_err(ar, "incorrect hif bus type: %d\n", ar->hif.bus);
3333 }
3334
3335 ret = ath10k_init_hw_params(ar);
3336 if (ret) {
3337 ath10k_err(ar, "could not get hw params (%d)\n", ret);
3338 goto err_power_down;
3339 }
3340
3341 ret = ath10k_core_fetch_firmware_files(ar);
3342 if (ret) {
3343 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
3344 goto err_power_down;
3345 }
3346
3347 BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
3348 sizeof(ar->normal_mode_fw.fw_file.fw_version));
3349 memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
3350 sizeof(ar->hw->wiphy->fw_version));
3351
3352 ath10k_debug_print_hwfw_info(ar);
3353
3354 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3355 ar->normal_mode_fw.fw_file.fw_features)) {
3356 ret = ath10k_core_pre_cal_download(ar);
3357 if (ret) {
3358 /* pre calibration data download is not necessary
3359 * for all the chipsets. Ignore failures and continue.
3360 */
3361 ath10k_dbg(ar, ATH10K_DBG_BOOT,
3362 "could not load pre cal data: %d\n", ret);
3363 }
3364
3365 ret = ath10k_core_get_board_id_from_otp(ar);
3366 if (ret && ret != -EOPNOTSUPP) {
3367 ath10k_err(ar, "failed to get board id from otp: %d\n",
3368 ret);
3369 goto err_free_firmware_files;
3370 }
3371
3372 ret = ath10k_core_check_smbios(ar);
3373 if (ret)
3374 ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n");
3375
3376 ret = ath10k_core_check_dt(ar);
3377 if (ret)
3378 ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n");
3379
3380 ret = ath10k_core_fetch_board_file(ar, ATH10K_BD_IE_BOARD);
3381 if (ret) {
3382 ath10k_err(ar, "failed to fetch board file: %d\n", ret);
3383 goto err_free_firmware_files;
3384 }
3385
3386 ath10k_debug_print_board_info(ar);
3387 }
3388
3389 device_get_mac_address(ar->dev, ar->mac_addr);
3390
3391 ret = ath10k_core_init_firmware_features(ar);
3392 if (ret) {
3393 ath10k_err(ar, "fatal problem with firmware features: %d\n",
3394 ret);
3395 goto err_free_firmware_files;
3396 }
3397
3398 if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
3399 ar->normal_mode_fw.fw_file.fw_features)) {
3400 ret = ath10k_swap_code_seg_init(ar,
3401 &ar->normal_mode_fw.fw_file);
3402 if (ret) {
3403 ath10k_err(ar, "failed to initialize code swap segment: %d\n",
3404 ret);
3405 goto err_free_firmware_files;
3406 }
3407 }
3408
3409 mutex_lock(&ar->conf_mutex);
3410
3411 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
3412 &ar->normal_mode_fw);
3413 if (ret) {
3414 ath10k_err(ar, "could not init core (%d)\n", ret);
3415 goto err_unlock;
3416 }
3417
3418 ath10k_debug_print_boot_info(ar);
3419 ath10k_core_stop(ar);
3420
3421 mutex_unlock(&ar->conf_mutex);
3422
3423 ath10k_hif_power_down(ar);
3424 return 0;
3425
3426 err_unlock:
3427 mutex_unlock(&ar->conf_mutex);
3428
3429 err_free_firmware_files:
3430 ath10k_core_free_firmware_files(ar);
3431
3432 err_power_down:
3433 ath10k_hif_power_down(ar);
3434
3435 return ret;
3436 }
3437
ath10k_core_register_work(struct work_struct * work)3438 static void ath10k_core_register_work(struct work_struct *work)
3439 {
3440 struct ath10k *ar = container_of(work, struct ath10k, register_work);
3441 int status;
3442
3443 /* peer stats are enabled by default */
3444 set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
3445
3446 status = ath10k_core_probe_fw(ar);
3447 if (status) {
3448 ath10k_err(ar, "could not probe fw (%d)\n", status);
3449 goto err;
3450 }
3451
3452 status = ath10k_mac_register(ar);
3453 if (status) {
3454 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
3455 goto err_release_fw;
3456 }
3457
3458 status = ath10k_coredump_register(ar);
3459 if (status) {
3460 ath10k_err(ar, "unable to register coredump\n");
3461 goto err_unregister_mac;
3462 }
3463
3464 status = ath10k_debug_register(ar);
3465 if (status) {
3466 ath10k_err(ar, "unable to initialize debugfs\n");
3467 goto err_unregister_coredump;
3468 }
3469
3470 status = ath10k_spectral_create(ar);
3471 if (status) {
3472 ath10k_err(ar, "failed to initialize spectral\n");
3473 goto err_debug_destroy;
3474 }
3475
3476 status = ath10k_thermal_register(ar);
3477 if (status) {
3478 ath10k_err(ar, "could not register thermal device: %d\n",
3479 status);
3480 goto err_spectral_destroy;
3481 }
3482
3483 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
3484 return;
3485
3486 err_spectral_destroy:
3487 ath10k_spectral_destroy(ar);
3488 err_debug_destroy:
3489 ath10k_debug_destroy(ar);
3490 err_unregister_coredump:
3491 ath10k_coredump_unregister(ar);
3492 err_unregister_mac:
3493 ath10k_mac_unregister(ar);
3494 err_release_fw:
3495 ath10k_core_free_firmware_files(ar);
3496 err:
3497 /* TODO: It's probably a good idea to release device from the driver
3498 * but calling device_release_driver() here will cause a deadlock.
3499 */
3500 return;
3501 }
3502
ath10k_core_register(struct ath10k * ar,const struct ath10k_bus_params * bus_params)3503 int ath10k_core_register(struct ath10k *ar,
3504 const struct ath10k_bus_params *bus_params)
3505 {
3506 ar->bus_param = *bus_params;
3507
3508 queue_work(ar->workqueue, &ar->register_work);
3509
3510 return 0;
3511 }
3512 EXPORT_SYMBOL(ath10k_core_register);
3513
ath10k_core_unregister(struct ath10k * ar)3514 void ath10k_core_unregister(struct ath10k *ar)
3515 {
3516 cancel_work_sync(&ar->register_work);
3517
3518 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
3519 return;
3520
3521 ath10k_thermal_unregister(ar);
3522 /* Stop spectral before unregistering from mac80211 to remove the
3523 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
3524 * would be already be free'd recursively, leading to a double free.
3525 */
3526 ath10k_spectral_destroy(ar);
3527
3528 /* We must unregister from mac80211 before we stop HTC and HIF.
3529 * Otherwise we will fail to submit commands to FW and mac80211 will be
3530 * unhappy about callback failures.
3531 */
3532 ath10k_mac_unregister(ar);
3533
3534 ath10k_testmode_destroy(ar);
3535
3536 ath10k_core_free_firmware_files(ar);
3537 ath10k_core_free_board_files(ar);
3538
3539 ath10k_debug_unregister(ar);
3540 }
3541 EXPORT_SYMBOL(ath10k_core_unregister);
3542
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)3543 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
3544 enum ath10k_bus bus,
3545 enum ath10k_hw_rev hw_rev,
3546 const struct ath10k_hif_ops *hif_ops)
3547 {
3548 struct ath10k *ar;
3549 int ret;
3550
3551 ar = ath10k_mac_create(priv_size);
3552 if (!ar)
3553 return NULL;
3554
3555 ar->ath_common.priv = ar;
3556 ar->ath_common.hw = ar->hw;
3557 ar->dev = dev;
3558 ar->hw_rev = hw_rev;
3559 ar->hif.ops = hif_ops;
3560 ar->hif.bus = bus;
3561
3562 switch (hw_rev) {
3563 case ATH10K_HW_QCA988X:
3564 case ATH10K_HW_QCA9887:
3565 ar->regs = &qca988x_regs;
3566 ar->hw_ce_regs = &qcax_ce_regs;
3567 ar->hw_values = &qca988x_values;
3568 break;
3569 case ATH10K_HW_QCA6174:
3570 case ATH10K_HW_QCA9377:
3571 ar->regs = &qca6174_regs;
3572 ar->hw_ce_regs = &qcax_ce_regs;
3573 ar->hw_values = &qca6174_values;
3574 break;
3575 case ATH10K_HW_QCA99X0:
3576 case ATH10K_HW_QCA9984:
3577 ar->regs = &qca99x0_regs;
3578 ar->hw_ce_regs = &qcax_ce_regs;
3579 ar->hw_values = &qca99x0_values;
3580 break;
3581 case ATH10K_HW_QCA9888:
3582 ar->regs = &qca99x0_regs;
3583 ar->hw_ce_regs = &qcax_ce_regs;
3584 ar->hw_values = &qca9888_values;
3585 break;
3586 case ATH10K_HW_QCA4019:
3587 ar->regs = &qca4019_regs;
3588 ar->hw_ce_regs = &qcax_ce_regs;
3589 ar->hw_values = &qca4019_values;
3590 break;
3591 case ATH10K_HW_WCN3990:
3592 ar->regs = &wcn3990_regs;
3593 ar->hw_ce_regs = &wcn3990_ce_regs;
3594 ar->hw_values = &wcn3990_values;
3595 break;
3596 default:
3597 ath10k_err(ar, "unsupported core hardware revision %d\n",
3598 hw_rev);
3599 ret = -ENOTSUPP;
3600 goto err_free_mac;
3601 }
3602
3603 init_completion(&ar->scan.started);
3604 init_completion(&ar->scan.completed);
3605 init_completion(&ar->scan.on_channel);
3606 init_completion(&ar->target_suspend);
3607 init_completion(&ar->driver_recovery);
3608 init_completion(&ar->wow.wakeup_completed);
3609
3610 init_completion(&ar->install_key_done);
3611 init_completion(&ar->vdev_setup_done);
3612 init_completion(&ar->vdev_delete_done);
3613 init_completion(&ar->thermal.wmi_sync);
3614 init_completion(&ar->bss_survey_done);
3615 init_completion(&ar->peer_delete_done);
3616 init_completion(&ar->peer_stats_info_complete);
3617
3618 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
3619
3620 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
3621 if (!ar->workqueue)
3622 goto err_free_mac;
3623
3624 ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
3625 if (!ar->workqueue_aux)
3626 goto err_free_wq;
3627
3628 ar->workqueue_tx_complete =
3629 create_singlethread_workqueue("ath10k_tx_complete_wq");
3630 if (!ar->workqueue_tx_complete)
3631 goto err_free_aux_wq;
3632
3633 mutex_init(&ar->conf_mutex);
3634 mutex_init(&ar->dump_mutex);
3635 spin_lock_init(&ar->data_lock);
3636
3637 for (int ac = 0; ac < IEEE80211_NUM_ACS; ac++)
3638 spin_lock_init(&ar->queue_lock[ac]);
3639
3640 INIT_LIST_HEAD(&ar->peers);
3641 init_waitqueue_head(&ar->peer_mapping_wq);
3642 init_waitqueue_head(&ar->htt.empty_tx_wq);
3643 init_waitqueue_head(&ar->wmi.tx_credits_wq);
3644
3645 skb_queue_head_init(&ar->htt.rx_indication_head);
3646
3647 init_completion(&ar->offchan_tx_completed);
3648 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
3649 skb_queue_head_init(&ar->offchan_tx_queue);
3650
3651 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
3652 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
3653
3654 INIT_WORK(&ar->register_work, ath10k_core_register_work);
3655 INIT_WORK(&ar->restart_work, ath10k_core_restart);
3656 INIT_WORK(&ar->set_coverage_class_work,
3657 ath10k_core_set_coverage_class_work);
3658
3659 init_dummy_netdev(&ar->napi_dev);
3660
3661 ret = ath10k_coredump_create(ar);
3662 if (ret)
3663 goto err_free_tx_complete;
3664
3665 ret = ath10k_debug_create(ar);
3666 if (ret)
3667 goto err_free_coredump;
3668
3669 return ar;
3670
3671 err_free_coredump:
3672 ath10k_coredump_destroy(ar);
3673 err_free_tx_complete:
3674 destroy_workqueue(ar->workqueue_tx_complete);
3675 err_free_aux_wq:
3676 destroy_workqueue(ar->workqueue_aux);
3677 err_free_wq:
3678 destroy_workqueue(ar->workqueue);
3679 err_free_mac:
3680 ath10k_mac_destroy(ar);
3681
3682 return NULL;
3683 }
3684 EXPORT_SYMBOL(ath10k_core_create);
3685
ath10k_core_destroy(struct ath10k * ar)3686 void ath10k_core_destroy(struct ath10k *ar)
3687 {
3688 destroy_workqueue(ar->workqueue);
3689
3690 destroy_workqueue(ar->workqueue_aux);
3691
3692 destroy_workqueue(ar->workqueue_tx_complete);
3693
3694 ath10k_debug_destroy(ar);
3695 ath10k_coredump_destroy(ar);
3696 ath10k_htt_tx_destroy(&ar->htt);
3697 ath10k_wmi_free_host_mem(ar);
3698 ath10k_mac_destroy(ar);
3699 }
3700 EXPORT_SYMBOL(ath10k_core_destroy);
3701
3702 MODULE_AUTHOR("Qualcomm Atheros");
3703 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
3704 MODULE_LICENSE("Dual BSD/GPL");
3705