1 /*
2  * Copyright (c) 2005-2011 Atheros Communications Inc.
3  * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
4  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
5  *
6  * Permission to use, copy, modify, and/or distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <linux/module.h>
20 #include <linux/firmware.h>
21 #include <linux/of.h>
22 #include <linux/dmi.h>
23 #include <linux/ctype.h>
24 #include <asm/byteorder.h>
25 
26 #include "core.h"
27 #include "mac.h"
28 #include "htc.h"
29 #include "hif.h"
30 #include "wmi.h"
31 #include "bmi.h"
32 #include "debug.h"
33 #include "htt.h"
34 #include "testmode.h"
35 #include "wmi-ops.h"
36 #include "coredump.h"
37 
38 unsigned int ath10k_debug_mask;
39 static unsigned int ath10k_cryptmode_param;
40 static bool uart_print;
41 static bool skip_otp;
42 static bool rawmode;
43 
44 unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) |
45 				     BIT(ATH10K_FW_CRASH_DUMP_CE_DATA);
46 
47 /* FIXME: most of these should be readonly */
48 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
49 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
50 module_param(uart_print, bool, 0644);
51 module_param(skip_otp, bool, 0644);
52 module_param(rawmode, bool, 0644);
53 module_param_named(coredump_mask, ath10k_coredump_mask, ulong, 0444);
54 
55 MODULE_PARM_DESC(debug_mask, "Debugging mask");
56 MODULE_PARM_DESC(uart_print, "Uart target debugging");
57 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
58 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
59 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
60 MODULE_PARM_DESC(coredump_mask, "Bitfield of what to include in firmware crash file");
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 		.name = "qca988x hw2.0",
67 		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
68 		.uart_pin = 7,
69 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
70 		.otp_exe_param = 0,
71 		.channel_counters_freq_hz = 88000,
72 		.max_probe_resp_desc_thres = 0,
73 		.cal_data_len = 2116,
74 		.fw = {
75 			.dir = QCA988X_HW_2_0_FW_DIR,
76 			.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
77 			.board_size = QCA988X_BOARD_DATA_SZ,
78 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
79 		},
80 		.hw_ops = &qca988x_ops,
81 		.decap_align_bytes = 4,
82 		.spectral_bin_discard = 0,
83 		.spectral_bin_offset = 0,
84 		.vht160_mcs_rx_highest = 0,
85 		.vht160_mcs_tx_highest = 0,
86 		.n_cipher_suites = 8,
87 		.num_peers = TARGET_TLV_NUM_PEERS,
88 		.ast_skid_limit = 0x10,
89 		.num_wds_entries = 0x20,
90 		.target_64bit = false,
91 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
92 		.shadow_reg_support = false,
93 		.rri_on_ddr = false,
94 	},
95 	{
96 		.id = QCA988X_HW_2_0_VERSION,
97 		.dev_id = QCA988X_2_0_DEVICE_ID_UBNT,
98 		.name = "qca988x hw2.0 ubiquiti",
99 		.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
100 		.uart_pin = 7,
101 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
102 		.otp_exe_param = 0,
103 		.channel_counters_freq_hz = 88000,
104 		.max_probe_resp_desc_thres = 0,
105 		.cal_data_len = 2116,
106 		.fw = {
107 			.dir = QCA988X_HW_2_0_FW_DIR,
108 			.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
109 			.board_size = QCA988X_BOARD_DATA_SZ,
110 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
111 		},
112 		.hw_ops = &qca988x_ops,
113 		.decap_align_bytes = 4,
114 		.spectral_bin_discard = 0,
115 		.spectral_bin_offset = 0,
116 		.vht160_mcs_rx_highest = 0,
117 		.vht160_mcs_tx_highest = 0,
118 		.n_cipher_suites = 8,
119 		.num_peers = TARGET_TLV_NUM_PEERS,
120 		.ast_skid_limit = 0x10,
121 		.num_wds_entries = 0x20,
122 		.target_64bit = false,
123 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
124 		.per_ce_irq = false,
125 		.shadow_reg_support = false,
126 		.rri_on_ddr = false,
127 	},
128 	{
129 		.id = QCA9887_HW_1_0_VERSION,
130 		.dev_id = QCA9887_1_0_DEVICE_ID,
131 		.name = "qca9887 hw1.0",
132 		.patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
133 		.uart_pin = 7,
134 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
135 		.otp_exe_param = 0,
136 		.channel_counters_freq_hz = 88000,
137 		.max_probe_resp_desc_thres = 0,
138 		.cal_data_len = 2116,
139 		.fw = {
140 			.dir = QCA9887_HW_1_0_FW_DIR,
141 			.board = QCA9887_HW_1_0_BOARD_DATA_FILE,
142 			.board_size = QCA9887_BOARD_DATA_SZ,
143 			.board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
144 		},
145 		.hw_ops = &qca988x_ops,
146 		.decap_align_bytes = 4,
147 		.spectral_bin_discard = 0,
148 		.spectral_bin_offset = 0,
149 		.vht160_mcs_rx_highest = 0,
150 		.vht160_mcs_tx_highest = 0,
151 		.n_cipher_suites = 8,
152 		.num_peers = TARGET_TLV_NUM_PEERS,
153 		.ast_skid_limit = 0x10,
154 		.num_wds_entries = 0x20,
155 		.target_64bit = false,
156 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
157 		.per_ce_irq = false,
158 		.shadow_reg_support = false,
159 		.rri_on_ddr = false,
160 	},
161 	{
162 		.id = QCA6174_HW_2_1_VERSION,
163 		.dev_id = QCA6164_2_1_DEVICE_ID,
164 		.name = "qca6164 hw2.1",
165 		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
166 		.uart_pin = 6,
167 		.otp_exe_param = 0,
168 		.channel_counters_freq_hz = 88000,
169 		.max_probe_resp_desc_thres = 0,
170 		.cal_data_len = 8124,
171 		.fw = {
172 			.dir = QCA6174_HW_2_1_FW_DIR,
173 			.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
174 			.board_size = QCA6174_BOARD_DATA_SZ,
175 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
176 		},
177 		.hw_ops = &qca988x_ops,
178 		.decap_align_bytes = 4,
179 		.spectral_bin_discard = 0,
180 		.spectral_bin_offset = 0,
181 		.vht160_mcs_rx_highest = 0,
182 		.vht160_mcs_tx_highest = 0,
183 		.n_cipher_suites = 8,
184 		.num_peers = TARGET_TLV_NUM_PEERS,
185 		.ast_skid_limit = 0x10,
186 		.num_wds_entries = 0x20,
187 		.target_64bit = false,
188 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
189 		.per_ce_irq = false,
190 		.shadow_reg_support = false,
191 		.rri_on_ddr = false,
192 	},
193 	{
194 		.id = QCA6174_HW_2_1_VERSION,
195 		.dev_id = QCA6174_2_1_DEVICE_ID,
196 		.name = "qca6174 hw2.1",
197 		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
198 		.uart_pin = 6,
199 		.otp_exe_param = 0,
200 		.channel_counters_freq_hz = 88000,
201 		.max_probe_resp_desc_thres = 0,
202 		.cal_data_len = 8124,
203 		.fw = {
204 			.dir = QCA6174_HW_2_1_FW_DIR,
205 			.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
206 			.board_size = QCA6174_BOARD_DATA_SZ,
207 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
208 		},
209 		.hw_ops = &qca988x_ops,
210 		.decap_align_bytes = 4,
211 		.spectral_bin_discard = 0,
212 		.spectral_bin_offset = 0,
213 		.vht160_mcs_rx_highest = 0,
214 		.vht160_mcs_tx_highest = 0,
215 		.n_cipher_suites = 8,
216 		.num_peers = TARGET_TLV_NUM_PEERS,
217 		.ast_skid_limit = 0x10,
218 		.num_wds_entries = 0x20,
219 		.target_64bit = false,
220 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
221 		.per_ce_irq = false,
222 		.shadow_reg_support = false,
223 		.rri_on_ddr = false,
224 	},
225 	{
226 		.id = QCA6174_HW_3_0_VERSION,
227 		.dev_id = QCA6174_2_1_DEVICE_ID,
228 		.name = "qca6174 hw3.0",
229 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
230 		.uart_pin = 6,
231 		.otp_exe_param = 0,
232 		.channel_counters_freq_hz = 88000,
233 		.max_probe_resp_desc_thres = 0,
234 		.cal_data_len = 8124,
235 		.fw = {
236 			.dir = QCA6174_HW_3_0_FW_DIR,
237 			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
238 			.board_size = QCA6174_BOARD_DATA_SZ,
239 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
240 		},
241 		.hw_ops = &qca988x_ops,
242 		.decap_align_bytes = 4,
243 		.spectral_bin_discard = 0,
244 		.spectral_bin_offset = 0,
245 		.vht160_mcs_rx_highest = 0,
246 		.vht160_mcs_tx_highest = 0,
247 		.n_cipher_suites = 8,
248 		.num_peers = TARGET_TLV_NUM_PEERS,
249 		.ast_skid_limit = 0x10,
250 		.num_wds_entries = 0x20,
251 		.target_64bit = false,
252 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
253 		.per_ce_irq = false,
254 		.shadow_reg_support = false,
255 		.rri_on_ddr = false,
256 	},
257 	{
258 		.id = QCA6174_HW_3_2_VERSION,
259 		.dev_id = QCA6174_2_1_DEVICE_ID,
260 		.name = "qca6174 hw3.2",
261 		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
262 		.uart_pin = 6,
263 		.otp_exe_param = 0,
264 		.channel_counters_freq_hz = 88000,
265 		.max_probe_resp_desc_thres = 0,
266 		.cal_data_len = 8124,
267 		.fw = {
268 			/* uses same binaries as hw3.0 */
269 			.dir = QCA6174_HW_3_0_FW_DIR,
270 			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
271 			.board_size = QCA6174_BOARD_DATA_SZ,
272 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
273 		},
274 		.hw_ops = &qca6174_ops,
275 		.hw_clk = qca6174_clk,
276 		.target_cpu_freq = 176000000,
277 		.decap_align_bytes = 4,
278 		.spectral_bin_discard = 0,
279 		.spectral_bin_offset = 0,
280 		.vht160_mcs_rx_highest = 0,
281 		.vht160_mcs_tx_highest = 0,
282 		.n_cipher_suites = 8,
283 		.num_peers = TARGET_TLV_NUM_PEERS,
284 		.ast_skid_limit = 0x10,
285 		.num_wds_entries = 0x20,
286 		.target_64bit = false,
287 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
288 		.per_ce_irq = false,
289 		.shadow_reg_support = false,
290 		.rri_on_ddr = false,
291 	},
292 	{
293 		.id = QCA99X0_HW_2_0_DEV_VERSION,
294 		.dev_id = QCA99X0_2_0_DEVICE_ID,
295 		.name = "qca99x0 hw2.0",
296 		.patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
297 		.uart_pin = 7,
298 		.otp_exe_param = 0x00000700,
299 		.continuous_frag_desc = true,
300 		.cck_rate_map_rev2 = true,
301 		.channel_counters_freq_hz = 150000,
302 		.max_probe_resp_desc_thres = 24,
303 		.tx_chain_mask = 0xf,
304 		.rx_chain_mask = 0xf,
305 		.max_spatial_stream = 4,
306 		.cal_data_len = 12064,
307 		.fw = {
308 			.dir = QCA99X0_HW_2_0_FW_DIR,
309 			.board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
310 			.board_size = QCA99X0_BOARD_DATA_SZ,
311 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
312 		},
313 		.sw_decrypt_mcast_mgmt = true,
314 		.hw_ops = &qca99x0_ops,
315 		.decap_align_bytes = 1,
316 		.spectral_bin_discard = 4,
317 		.spectral_bin_offset = 0,
318 		.vht160_mcs_rx_highest = 0,
319 		.vht160_mcs_tx_highest = 0,
320 		.n_cipher_suites = 11,
321 		.num_peers = TARGET_TLV_NUM_PEERS,
322 		.ast_skid_limit = 0x10,
323 		.num_wds_entries = 0x20,
324 		.target_64bit = false,
325 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
326 		.per_ce_irq = false,
327 		.shadow_reg_support = false,
328 		.rri_on_ddr = false,
329 	},
330 	{
331 		.id = QCA9984_HW_1_0_DEV_VERSION,
332 		.dev_id = QCA9984_1_0_DEVICE_ID,
333 		.name = "qca9984/qca9994 hw1.0",
334 		.patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
335 		.uart_pin = 7,
336 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
337 		.otp_exe_param = 0x00000700,
338 		.continuous_frag_desc = true,
339 		.cck_rate_map_rev2 = true,
340 		.channel_counters_freq_hz = 150000,
341 		.max_probe_resp_desc_thres = 24,
342 		.tx_chain_mask = 0xf,
343 		.rx_chain_mask = 0xf,
344 		.max_spatial_stream = 4,
345 		.cal_data_len = 12064,
346 		.fw = {
347 			.dir = QCA9984_HW_1_0_FW_DIR,
348 			.board = QCA9984_HW_1_0_BOARD_DATA_FILE,
349 			.board_size = QCA99X0_BOARD_DATA_SZ,
350 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
351 		},
352 		.sw_decrypt_mcast_mgmt = true,
353 		.hw_ops = &qca99x0_ops,
354 		.decap_align_bytes = 1,
355 		.spectral_bin_discard = 12,
356 		.spectral_bin_offset = 8,
357 
358 		/* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz
359 		 * or 2x2 160Mhz, long-guard-interval.
360 		 */
361 		.vht160_mcs_rx_highest = 1560,
362 		.vht160_mcs_tx_highest = 1560,
363 		.n_cipher_suites = 11,
364 		.num_peers = TARGET_TLV_NUM_PEERS,
365 		.ast_skid_limit = 0x10,
366 		.num_wds_entries = 0x20,
367 		.target_64bit = false,
368 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
369 		.per_ce_irq = false,
370 		.shadow_reg_support = false,
371 		.rri_on_ddr = false,
372 	},
373 	{
374 		.id = QCA9888_HW_2_0_DEV_VERSION,
375 		.dev_id = QCA9888_2_0_DEVICE_ID,
376 		.name = "qca9888 hw2.0",
377 		.patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
378 		.uart_pin = 7,
379 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
380 		.otp_exe_param = 0x00000700,
381 		.continuous_frag_desc = true,
382 		.channel_counters_freq_hz = 150000,
383 		.max_probe_resp_desc_thres = 24,
384 		.tx_chain_mask = 3,
385 		.rx_chain_mask = 3,
386 		.max_spatial_stream = 2,
387 		.cal_data_len = 12064,
388 		.fw = {
389 			.dir = QCA9888_HW_2_0_FW_DIR,
390 			.board = QCA9888_HW_2_0_BOARD_DATA_FILE,
391 			.board_size = QCA99X0_BOARD_DATA_SZ,
392 			.board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
393 		},
394 		.sw_decrypt_mcast_mgmt = true,
395 		.hw_ops = &qca99x0_ops,
396 		.decap_align_bytes = 1,
397 		.spectral_bin_discard = 12,
398 		.spectral_bin_offset = 8,
399 
400 		/* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or
401 		 * 1x1 160Mhz, long-guard-interval.
402 		 */
403 		.vht160_mcs_rx_highest = 780,
404 		.vht160_mcs_tx_highest = 780,
405 		.n_cipher_suites = 11,
406 		.num_peers = TARGET_TLV_NUM_PEERS,
407 		.ast_skid_limit = 0x10,
408 		.num_wds_entries = 0x20,
409 		.target_64bit = false,
410 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
411 		.per_ce_irq = false,
412 		.shadow_reg_support = false,
413 		.rri_on_ddr = false,
414 	},
415 	{
416 		.id = QCA9377_HW_1_0_DEV_VERSION,
417 		.dev_id = QCA9377_1_0_DEVICE_ID,
418 		.name = "qca9377 hw1.0",
419 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
420 		.uart_pin = 6,
421 		.otp_exe_param = 0,
422 		.channel_counters_freq_hz = 88000,
423 		.max_probe_resp_desc_thres = 0,
424 		.cal_data_len = 8124,
425 		.fw = {
426 			.dir = QCA9377_HW_1_0_FW_DIR,
427 			.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
428 			.board_size = QCA9377_BOARD_DATA_SZ,
429 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
430 		},
431 		.hw_ops = &qca988x_ops,
432 		.decap_align_bytes = 4,
433 		.spectral_bin_discard = 0,
434 		.spectral_bin_offset = 0,
435 		.vht160_mcs_rx_highest = 0,
436 		.vht160_mcs_tx_highest = 0,
437 		.n_cipher_suites = 8,
438 		.num_peers = TARGET_TLV_NUM_PEERS,
439 		.ast_skid_limit = 0x10,
440 		.num_wds_entries = 0x20,
441 		.target_64bit = false,
442 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
443 		.per_ce_irq = false,
444 		.shadow_reg_support = false,
445 		.rri_on_ddr = false,
446 	},
447 	{
448 		.id = QCA9377_HW_1_1_DEV_VERSION,
449 		.dev_id = QCA9377_1_0_DEVICE_ID,
450 		.name = "qca9377 hw1.1",
451 		.patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
452 		.uart_pin = 6,
453 		.otp_exe_param = 0,
454 		.channel_counters_freq_hz = 88000,
455 		.max_probe_resp_desc_thres = 0,
456 		.cal_data_len = 8124,
457 		.fw = {
458 			.dir = QCA9377_HW_1_0_FW_DIR,
459 			.board = QCA9377_HW_1_0_BOARD_DATA_FILE,
460 			.board_size = QCA9377_BOARD_DATA_SZ,
461 			.board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
462 		},
463 		.hw_ops = &qca6174_ops,
464 		.hw_clk = qca6174_clk,
465 		.target_cpu_freq = 176000000,
466 		.decap_align_bytes = 4,
467 		.spectral_bin_discard = 0,
468 		.spectral_bin_offset = 0,
469 		.vht160_mcs_rx_highest = 0,
470 		.vht160_mcs_tx_highest = 0,
471 		.n_cipher_suites = 8,
472 		.num_peers = TARGET_TLV_NUM_PEERS,
473 		.ast_skid_limit = 0x10,
474 		.num_wds_entries = 0x20,
475 		.target_64bit = false,
476 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
477 		.per_ce_irq = false,
478 		.shadow_reg_support = false,
479 		.rri_on_ddr = false,
480 	},
481 	{
482 		.id = QCA4019_HW_1_0_DEV_VERSION,
483 		.dev_id = 0,
484 		.name = "qca4019 hw1.0",
485 		.patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
486 		.uart_pin = 7,
487 		.cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
488 		.otp_exe_param = 0x0010000,
489 		.continuous_frag_desc = true,
490 		.cck_rate_map_rev2 = true,
491 		.channel_counters_freq_hz = 125000,
492 		.max_probe_resp_desc_thres = 24,
493 		.tx_chain_mask = 0x3,
494 		.rx_chain_mask = 0x3,
495 		.max_spatial_stream = 2,
496 		.cal_data_len = 12064,
497 		.fw = {
498 			.dir = QCA4019_HW_1_0_FW_DIR,
499 			.board = QCA4019_HW_1_0_BOARD_DATA_FILE,
500 			.board_size = QCA4019_BOARD_DATA_SZ,
501 			.board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
502 		},
503 		.sw_decrypt_mcast_mgmt = true,
504 		.hw_ops = &qca99x0_ops,
505 		.decap_align_bytes = 1,
506 		.spectral_bin_discard = 4,
507 		.spectral_bin_offset = 0,
508 		.vht160_mcs_rx_highest = 0,
509 		.vht160_mcs_tx_highest = 0,
510 		.n_cipher_suites = 11,
511 		.num_peers = TARGET_TLV_NUM_PEERS,
512 		.ast_skid_limit = 0x10,
513 		.num_wds_entries = 0x20,
514 		.target_64bit = false,
515 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL,
516 		.per_ce_irq = false,
517 		.shadow_reg_support = false,
518 		.rri_on_ddr = false,
519 	},
520 	{
521 		.id = WCN3990_HW_1_0_DEV_VERSION,
522 		.dev_id = 0,
523 		.name = "wcn3990 hw1.0",
524 		.continuous_frag_desc = true,
525 		.tx_chain_mask = 0x7,
526 		.rx_chain_mask = 0x7,
527 		.max_spatial_stream = 4,
528 		.fw = {
529 			.dir = WCN3990_HW_1_0_FW_DIR,
530 		},
531 		.sw_decrypt_mcast_mgmt = true,
532 		.hw_ops = &wcn3990_ops,
533 		.decap_align_bytes = 1,
534 		.num_peers = TARGET_HL_10_TLV_NUM_PEERS,
535 		.ast_skid_limit = TARGET_HL_10_TLV_AST_SKID_LIMIT,
536 		.num_wds_entries = TARGET_HL_10_TLV_NUM_WDS_ENTRIES,
537 		.target_64bit = true,
538 		.rx_ring_fill_level = HTT_RX_RING_FILL_LEVEL_DUAL_MAC,
539 		.per_ce_irq = true,
540 		.shadow_reg_support = true,
541 		.rri_on_ddr = true,
542 	},
543 };
544 
545 static const char *const ath10k_core_fw_feature_str[] = {
546 	[ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
547 	[ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
548 	[ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
549 	[ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
550 	[ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
551 	[ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
552 	[ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
553 	[ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
554 	[ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
555 	[ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
556 	[ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
557 	[ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
558 	[ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
559 	[ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
560 	[ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
561 	[ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
562 	[ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
563 	[ATH10K_FW_FEATURE_NO_PS] = "no-ps",
564 	[ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
565 	[ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
566 };
567 
ath10k_core_get_fw_feature_str(char * buf,size_t buf_len,enum ath10k_fw_features feat)568 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
569 						   size_t buf_len,
570 						   enum ath10k_fw_features feat)
571 {
572 	/* make sure that ath10k_core_fw_feature_str[] gets updated */
573 	BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
574 		     ATH10K_FW_FEATURE_COUNT);
575 
576 	if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
577 	    WARN_ON(!ath10k_core_fw_feature_str[feat])) {
578 		return scnprintf(buf, buf_len, "bit%d", feat);
579 	}
580 
581 	return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
582 }
583 
ath10k_core_get_fw_features_str(struct ath10k * ar,char * buf,size_t buf_len)584 void ath10k_core_get_fw_features_str(struct ath10k *ar,
585 				     char *buf,
586 				     size_t buf_len)
587 {
588 	size_t len = 0;
589 	int i;
590 
591 	for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
592 		if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
593 			if (len > 0)
594 				len += scnprintf(buf + len, buf_len - len, ",");
595 
596 			len += ath10k_core_get_fw_feature_str(buf + len,
597 							      buf_len - len,
598 							      i);
599 		}
600 	}
601 }
602 
ath10k_send_suspend_complete(struct ath10k * ar)603 static void ath10k_send_suspend_complete(struct ath10k *ar)
604 {
605 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
606 
607 	complete(&ar->target_suspend);
608 }
609 
ath10k_init_sdio(struct ath10k * ar)610 static void ath10k_init_sdio(struct ath10k *ar)
611 {
612 	u32 param = 0;
613 
614 	ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256);
615 	ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99);
616 	ath10k_bmi_read32(ar, hi_acs_flags, &param);
617 
618 	param |= (HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET |
619 		  HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET |
620 		  HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE);
621 
622 	ath10k_bmi_write32(ar, hi_acs_flags, param);
623 }
624 
ath10k_init_configure_target(struct ath10k * ar)625 static int ath10k_init_configure_target(struct ath10k *ar)
626 {
627 	u32 param_host;
628 	int ret;
629 
630 	/* tell target which HTC version it is used*/
631 	ret = ath10k_bmi_write32(ar, hi_app_host_interest,
632 				 HTC_PROTOCOL_VERSION);
633 	if (ret) {
634 		ath10k_err(ar, "settings HTC version failed\n");
635 		return ret;
636 	}
637 
638 	/* set the firmware mode to STA/IBSS/AP */
639 	ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
640 	if (ret) {
641 		ath10k_err(ar, "setting firmware mode (1/2) failed\n");
642 		return ret;
643 	}
644 
645 	/* TODO following parameters need to be re-visited. */
646 	/* num_device */
647 	param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
648 	/* Firmware mode */
649 	/* FIXME: Why FW_MODE_AP ??.*/
650 	param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
651 	/* mac_addr_method */
652 	param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
653 	/* firmware_bridge */
654 	param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
655 	/* fwsubmode */
656 	param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
657 
658 	ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
659 	if (ret) {
660 		ath10k_err(ar, "setting firmware mode (2/2) failed\n");
661 		return ret;
662 	}
663 
664 	/* We do all byte-swapping on the host */
665 	ret = ath10k_bmi_write32(ar, hi_be, 0);
666 	if (ret) {
667 		ath10k_err(ar, "setting host CPU BE mode failed\n");
668 		return ret;
669 	}
670 
671 	/* FW descriptor/Data swap flags */
672 	ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
673 
674 	if (ret) {
675 		ath10k_err(ar, "setting FW data/desc swap flags failed\n");
676 		return ret;
677 	}
678 
679 	/* Some devices have a special sanity check that verifies the PCI
680 	 * Device ID is written to this host interest var. It is known to be
681 	 * required to boot QCA6164.
682 	 */
683 	ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
684 				 ar->dev_id);
685 	if (ret) {
686 		ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
687 		return ret;
688 	}
689 
690 	return 0;
691 }
692 
ath10k_fetch_fw_file(struct ath10k * ar,const char * dir,const char * file)693 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
694 						   const char *dir,
695 						   const char *file)
696 {
697 	char filename[100];
698 	const struct firmware *fw;
699 	int ret;
700 
701 	if (file == NULL)
702 		return ERR_PTR(-ENOENT);
703 
704 	if (dir == NULL)
705 		dir = ".";
706 
707 	snprintf(filename, sizeof(filename), "%s/%s", dir, file);
708 	ret = firmware_request_nowarn(&fw, filename, ar->dev);
709 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot fw request '%s': %d\n",
710 		   filename, ret);
711 
712 	if (ret)
713 		return ERR_PTR(ret);
714 
715 	return fw;
716 }
717 
ath10k_push_board_ext_data(struct ath10k * ar,const void * data,size_t data_len)718 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
719 				      size_t data_len)
720 {
721 	u32 board_data_size = ar->hw_params.fw.board_size;
722 	u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
723 	u32 board_ext_data_addr;
724 	int ret;
725 
726 	ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
727 	if (ret) {
728 		ath10k_err(ar, "could not read board ext data addr (%d)\n",
729 			   ret);
730 		return ret;
731 	}
732 
733 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
734 		   "boot push board extended data addr 0x%x\n",
735 		   board_ext_data_addr);
736 
737 	if (board_ext_data_addr == 0)
738 		return 0;
739 
740 	if (data_len != (board_data_size + board_ext_data_size)) {
741 		ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
742 			   data_len, board_data_size, board_ext_data_size);
743 		return -EINVAL;
744 	}
745 
746 	ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
747 				      data + board_data_size,
748 				      board_ext_data_size);
749 	if (ret) {
750 		ath10k_err(ar, "could not write board ext data (%d)\n", ret);
751 		return ret;
752 	}
753 
754 	ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
755 				 (board_ext_data_size << 16) | 1);
756 	if (ret) {
757 		ath10k_err(ar, "could not write board ext data bit (%d)\n",
758 			   ret);
759 		return ret;
760 	}
761 
762 	return 0;
763 }
764 
ath10k_download_board_data(struct ath10k * ar,const void * data,size_t data_len)765 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
766 				      size_t data_len)
767 {
768 	u32 board_data_size = ar->hw_params.fw.board_size;
769 	u32 address;
770 	int ret;
771 
772 	ret = ath10k_push_board_ext_data(ar, data, data_len);
773 	if (ret) {
774 		ath10k_err(ar, "could not push board ext data (%d)\n", ret);
775 		goto exit;
776 	}
777 
778 	ret = ath10k_bmi_read32(ar, hi_board_data, &address);
779 	if (ret) {
780 		ath10k_err(ar, "could not read board data addr (%d)\n", ret);
781 		goto exit;
782 	}
783 
784 	ret = ath10k_bmi_write_memory(ar, address, data,
785 				      min_t(u32, board_data_size,
786 					    data_len));
787 	if (ret) {
788 		ath10k_err(ar, "could not write board data (%d)\n", ret);
789 		goto exit;
790 	}
791 
792 	ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
793 	if (ret) {
794 		ath10k_err(ar, "could not write board data bit (%d)\n", ret);
795 		goto exit;
796 	}
797 
798 exit:
799 	return ret;
800 }
801 
ath10k_download_cal_file(struct ath10k * ar,const struct firmware * file)802 static int ath10k_download_cal_file(struct ath10k *ar,
803 				    const struct firmware *file)
804 {
805 	int ret;
806 
807 	if (!file)
808 		return -ENOENT;
809 
810 	if (IS_ERR(file))
811 		return PTR_ERR(file);
812 
813 	ret = ath10k_download_board_data(ar, file->data, file->size);
814 	if (ret) {
815 		ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
816 		return ret;
817 	}
818 
819 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
820 
821 	return 0;
822 }
823 
ath10k_download_cal_dt(struct ath10k * ar,const char * dt_name)824 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
825 {
826 	struct device_node *node;
827 	int data_len;
828 	void *data;
829 	int ret;
830 
831 	node = ar->dev->of_node;
832 	if (!node)
833 		/* Device Tree is optional, don't print any warnings if
834 		 * there's no node for ath10k.
835 		 */
836 		return -ENOENT;
837 
838 	if (!of_get_property(node, dt_name, &data_len)) {
839 		/* The calibration data node is optional */
840 		return -ENOENT;
841 	}
842 
843 	if (data_len != ar->hw_params.cal_data_len) {
844 		ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
845 			    data_len);
846 		ret = -EMSGSIZE;
847 		goto out;
848 	}
849 
850 	data = kmalloc(data_len, GFP_KERNEL);
851 	if (!data) {
852 		ret = -ENOMEM;
853 		goto out;
854 	}
855 
856 	ret = of_property_read_u8_array(node, dt_name, data, data_len);
857 	if (ret) {
858 		ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
859 			    ret);
860 		goto out_free;
861 	}
862 
863 	ret = ath10k_download_board_data(ar, data, data_len);
864 	if (ret) {
865 		ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
866 			    ret);
867 		goto out_free;
868 	}
869 
870 	ret = 0;
871 
872 out_free:
873 	kfree(data);
874 
875 out:
876 	return ret;
877 }
878 
ath10k_download_cal_eeprom(struct ath10k * ar)879 static int ath10k_download_cal_eeprom(struct ath10k *ar)
880 {
881 	size_t data_len;
882 	void *data = NULL;
883 	int ret;
884 
885 	ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
886 	if (ret) {
887 		if (ret != -EOPNOTSUPP)
888 			ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
889 				    ret);
890 		goto out_free;
891 	}
892 
893 	ret = ath10k_download_board_data(ar, data, data_len);
894 	if (ret) {
895 		ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
896 			    ret);
897 		goto out_free;
898 	}
899 
900 	ret = 0;
901 
902 out_free:
903 	kfree(data);
904 
905 	return ret;
906 }
907 
ath10k_core_get_board_id_from_otp(struct ath10k * ar)908 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
909 {
910 	u32 result, address;
911 	u8 board_id, chip_id;
912 	int ret, bmi_board_id_param;
913 
914 	address = ar->hw_params.patch_load_addr;
915 
916 	if (!ar->normal_mode_fw.fw_file.otp_data ||
917 	    !ar->normal_mode_fw.fw_file.otp_len) {
918 		ath10k_warn(ar,
919 			    "failed to retrieve board id because of invalid otp\n");
920 		return -ENODATA;
921 	}
922 
923 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
924 		   "boot upload otp to 0x%x len %zd for board id\n",
925 		   address, ar->normal_mode_fw.fw_file.otp_len);
926 
927 	ret = ath10k_bmi_fast_download(ar, address,
928 				       ar->normal_mode_fw.fw_file.otp_data,
929 				       ar->normal_mode_fw.fw_file.otp_len);
930 	if (ret) {
931 		ath10k_err(ar, "could not write otp for board id check: %d\n",
932 			   ret);
933 		return ret;
934 	}
935 
936 	if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
937 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
938 		bmi_board_id_param = BMI_PARAM_GET_FLASH_BOARD_ID;
939 	else
940 		bmi_board_id_param = BMI_PARAM_GET_EEPROM_BOARD_ID;
941 
942 	ret = ath10k_bmi_execute(ar, address, bmi_board_id_param, &result);
943 	if (ret) {
944 		ath10k_err(ar, "could not execute otp for board id check: %d\n",
945 			   ret);
946 		return ret;
947 	}
948 
949 	board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
950 	chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
951 
952 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
953 		   "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
954 		   result, board_id, chip_id);
955 
956 	if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0 ||
957 	    (board_id == 0)) {
958 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
959 			   "board id does not exist in otp, ignore it\n");
960 		return -EOPNOTSUPP;
961 	}
962 
963 	ar->id.bmi_ids_valid = true;
964 	ar->id.bmi_board_id = board_id;
965 	ar->id.bmi_chip_id = chip_id;
966 
967 	return 0;
968 }
969 
ath10k_core_check_bdfext(const struct dmi_header * hdr,void * data)970 static void ath10k_core_check_bdfext(const struct dmi_header *hdr, void *data)
971 {
972 	struct ath10k *ar = data;
973 	const char *bdf_ext;
974 	const char *magic = ATH10K_SMBIOS_BDF_EXT_MAGIC;
975 	u8 bdf_enabled;
976 	int i;
977 
978 	if (hdr->type != ATH10K_SMBIOS_BDF_EXT_TYPE)
979 		return;
980 
981 	if (hdr->length != ATH10K_SMBIOS_BDF_EXT_LENGTH) {
982 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
983 			   "wrong smbios bdf ext type length (%d).\n",
984 			   hdr->length);
985 		return;
986 	}
987 
988 	bdf_enabled = *((u8 *)hdr + ATH10K_SMBIOS_BDF_EXT_OFFSET);
989 	if (!bdf_enabled) {
990 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "bdf variant name not found.\n");
991 		return;
992 	}
993 
994 	/* Only one string exists (per spec) */
995 	bdf_ext = (char *)hdr + hdr->length;
996 
997 	if (memcmp(bdf_ext, magic, strlen(magic)) != 0) {
998 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
999 			   "bdf variant magic does not match.\n");
1000 		return;
1001 	}
1002 
1003 	for (i = 0; i < strlen(bdf_ext); i++) {
1004 		if (!isascii(bdf_ext[i]) || !isprint(bdf_ext[i])) {
1005 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1006 				   "bdf variant name contains non ascii chars.\n");
1007 			return;
1008 		}
1009 	}
1010 
1011 	/* Copy extension name without magic suffix */
1012 	if (strscpy(ar->id.bdf_ext, bdf_ext + strlen(magic),
1013 		    sizeof(ar->id.bdf_ext)) < 0) {
1014 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1015 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1016 			    bdf_ext);
1017 		return;
1018 	}
1019 
1020 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1021 		   "found and validated bdf variant smbios_type 0x%x bdf %s\n",
1022 		   ATH10K_SMBIOS_BDF_EXT_TYPE, bdf_ext);
1023 }
1024 
ath10k_core_check_smbios(struct ath10k * ar)1025 static int ath10k_core_check_smbios(struct ath10k *ar)
1026 {
1027 	ar->id.bdf_ext[0] = '\0';
1028 	dmi_walk(ath10k_core_check_bdfext, ar);
1029 
1030 	if (ar->id.bdf_ext[0] == '\0')
1031 		return -ENODATA;
1032 
1033 	return 0;
1034 }
1035 
ath10k_core_check_dt(struct ath10k * ar)1036 static int ath10k_core_check_dt(struct ath10k *ar)
1037 {
1038 	struct device_node *node;
1039 	const char *variant = NULL;
1040 
1041 	node = ar->dev->of_node;
1042 	if (!node)
1043 		return -ENOENT;
1044 
1045 	of_property_read_string(node, "qcom,ath10k-calibration-variant",
1046 				&variant);
1047 	if (!variant)
1048 		return -ENODATA;
1049 
1050 	if (strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext)) < 0)
1051 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1052 			   "bdf variant string is longer than the buffer can accommodate (variant: %s)\n",
1053 			    variant);
1054 
1055 	return 0;
1056 }
1057 
ath10k_download_and_run_otp(struct ath10k * ar)1058 static int ath10k_download_and_run_otp(struct ath10k *ar)
1059 {
1060 	u32 result, address = ar->hw_params.patch_load_addr;
1061 	u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
1062 	int ret;
1063 
1064 	ret = ath10k_download_board_data(ar,
1065 					 ar->running_fw->board_data,
1066 					 ar->running_fw->board_len);
1067 	if (ret) {
1068 		ath10k_err(ar, "failed to download board data: %d\n", ret);
1069 		return ret;
1070 	}
1071 
1072 	/* OTP is optional */
1073 
1074 	if (!ar->running_fw->fw_file.otp_data ||
1075 	    !ar->running_fw->fw_file.otp_len) {
1076 		ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %pK otp_len %zd)!\n",
1077 			    ar->running_fw->fw_file.otp_data,
1078 			    ar->running_fw->fw_file.otp_len);
1079 		return 0;
1080 	}
1081 
1082 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
1083 		   address, ar->running_fw->fw_file.otp_len);
1084 
1085 	ret = ath10k_bmi_fast_download(ar, address,
1086 				       ar->running_fw->fw_file.otp_data,
1087 				       ar->running_fw->fw_file.otp_len);
1088 	if (ret) {
1089 		ath10k_err(ar, "could not write otp (%d)\n", ret);
1090 		return ret;
1091 	}
1092 
1093 	/* As of now pre-cal is valid for 10_4 variants */
1094 	if (ar->cal_mode == ATH10K_PRE_CAL_MODE_DT ||
1095 	    ar->cal_mode == ATH10K_PRE_CAL_MODE_FILE)
1096 		bmi_otp_exe_param = BMI_PARAM_FLASH_SECTION_ALL;
1097 
1098 	ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
1099 	if (ret) {
1100 		ath10k_err(ar, "could not execute otp (%d)\n", ret);
1101 		return ret;
1102 	}
1103 
1104 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
1105 
1106 	if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
1107 				   ar->running_fw->fw_file.fw_features)) &&
1108 	    result != 0) {
1109 		ath10k_err(ar, "otp calibration failed: %d", result);
1110 		return -EINVAL;
1111 	}
1112 
1113 	return 0;
1114 }
1115 
ath10k_download_fw(struct ath10k * ar)1116 static int ath10k_download_fw(struct ath10k *ar)
1117 {
1118 	u32 address, data_len;
1119 	const void *data;
1120 	int ret;
1121 
1122 	address = ar->hw_params.patch_load_addr;
1123 
1124 	data = ar->running_fw->fw_file.firmware_data;
1125 	data_len = ar->running_fw->fw_file.firmware_len;
1126 
1127 	ret = ath10k_swap_code_seg_configure(ar, &ar->running_fw->fw_file);
1128 	if (ret) {
1129 		ath10k_err(ar, "failed to configure fw code swap: %d\n",
1130 			   ret);
1131 		return ret;
1132 	}
1133 
1134 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1135 		   "boot uploading firmware image %pK len %d\n",
1136 		   data, data_len);
1137 
1138 	ret = ath10k_bmi_fast_download(ar, address, data, data_len);
1139 	if (ret) {
1140 		ath10k_err(ar, "failed to download firmware: %d\n",
1141 			   ret);
1142 		return ret;
1143 	}
1144 
1145 	return ret;
1146 }
1147 
ath10k_core_free_board_files(struct ath10k * ar)1148 static void ath10k_core_free_board_files(struct ath10k *ar)
1149 {
1150 	if (!IS_ERR(ar->normal_mode_fw.board))
1151 		release_firmware(ar->normal_mode_fw.board);
1152 
1153 	ar->normal_mode_fw.board = NULL;
1154 	ar->normal_mode_fw.board_data = NULL;
1155 	ar->normal_mode_fw.board_len = 0;
1156 }
1157 
ath10k_core_free_firmware_files(struct ath10k * ar)1158 static void ath10k_core_free_firmware_files(struct ath10k *ar)
1159 {
1160 	if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
1161 		release_firmware(ar->normal_mode_fw.fw_file.firmware);
1162 
1163 	if (!IS_ERR(ar->cal_file))
1164 		release_firmware(ar->cal_file);
1165 
1166 	if (!IS_ERR(ar->pre_cal_file))
1167 		release_firmware(ar->pre_cal_file);
1168 
1169 	ath10k_swap_code_seg_release(ar, &ar->normal_mode_fw.fw_file);
1170 
1171 	ar->normal_mode_fw.fw_file.otp_data = NULL;
1172 	ar->normal_mode_fw.fw_file.otp_len = 0;
1173 
1174 	ar->normal_mode_fw.fw_file.firmware = NULL;
1175 	ar->normal_mode_fw.fw_file.firmware_data = NULL;
1176 	ar->normal_mode_fw.fw_file.firmware_len = 0;
1177 
1178 	ar->cal_file = NULL;
1179 	ar->pre_cal_file = NULL;
1180 }
1181 
ath10k_fetch_cal_file(struct ath10k * ar)1182 static int ath10k_fetch_cal_file(struct ath10k *ar)
1183 {
1184 	char filename[100];
1185 
1186 	/* pre-cal-<bus>-<id>.bin */
1187 	scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
1188 		  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1189 
1190 	ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1191 	if (!IS_ERR(ar->pre_cal_file))
1192 		goto success;
1193 
1194 	/* cal-<bus>-<id>.bin */
1195 	scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
1196 		  ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
1197 
1198 	ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
1199 	if (IS_ERR(ar->cal_file))
1200 		/* calibration file is optional, don't print any warnings */
1201 		return PTR_ERR(ar->cal_file);
1202 success:
1203 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
1204 		   ATH10K_FW_DIR, filename);
1205 
1206 	return 0;
1207 }
1208 
ath10k_core_fetch_board_data_api_1(struct ath10k * ar)1209 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
1210 {
1211 	if (!ar->hw_params.fw.board) {
1212 		ath10k_err(ar, "failed to find board file fw entry\n");
1213 		return -EINVAL;
1214 	}
1215 
1216 	ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1217 							ar->hw_params.fw.dir,
1218 							ar->hw_params.fw.board);
1219 	if (IS_ERR(ar->normal_mode_fw.board))
1220 		return PTR_ERR(ar->normal_mode_fw.board);
1221 
1222 	ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
1223 	ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
1224 
1225 	return 0;
1226 }
1227 
ath10k_core_parse_bd_ie_board(struct ath10k * ar,const void * buf,size_t buf_len,const char * boardname)1228 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
1229 					 const void *buf, size_t buf_len,
1230 					 const char *boardname)
1231 {
1232 	const struct ath10k_fw_ie *hdr;
1233 	bool name_match_found;
1234 	int ret, board_ie_id;
1235 	size_t board_ie_len;
1236 	const void *board_ie_data;
1237 
1238 	name_match_found = false;
1239 
1240 	/* go through ATH10K_BD_IE_BOARD_ elements */
1241 	while (buf_len > sizeof(struct ath10k_fw_ie)) {
1242 		hdr = buf;
1243 		board_ie_id = le32_to_cpu(hdr->id);
1244 		board_ie_len = le32_to_cpu(hdr->len);
1245 		board_ie_data = hdr->data;
1246 
1247 		buf_len -= sizeof(*hdr);
1248 		buf += sizeof(*hdr);
1249 
1250 		if (buf_len < ALIGN(board_ie_len, 4)) {
1251 			ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
1252 				   buf_len, ALIGN(board_ie_len, 4));
1253 			ret = -EINVAL;
1254 			goto out;
1255 		}
1256 
1257 		switch (board_ie_id) {
1258 		case ATH10K_BD_IE_BOARD_NAME:
1259 			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
1260 					board_ie_data, board_ie_len);
1261 
1262 			if (board_ie_len != strlen(boardname))
1263 				break;
1264 
1265 			ret = memcmp(board_ie_data, boardname, strlen(boardname));
1266 			if (ret)
1267 				break;
1268 
1269 			name_match_found = true;
1270 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1271 				   "boot found match for name '%s'",
1272 				   boardname);
1273 			break;
1274 		case ATH10K_BD_IE_BOARD_DATA:
1275 			if (!name_match_found)
1276 				/* no match found */
1277 				break;
1278 
1279 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1280 				   "boot found board data for '%s'",
1281 				   boardname);
1282 
1283 			ar->normal_mode_fw.board_data = board_ie_data;
1284 			ar->normal_mode_fw.board_len = board_ie_len;
1285 
1286 			ret = 0;
1287 			goto out;
1288 		default:
1289 			ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
1290 				    board_ie_id);
1291 			break;
1292 		}
1293 
1294 		/* jump over the padding */
1295 		board_ie_len = ALIGN(board_ie_len, 4);
1296 
1297 		buf_len -= board_ie_len;
1298 		buf += board_ie_len;
1299 	}
1300 
1301 	/* no match found */
1302 	ret = -ENOENT;
1303 
1304 out:
1305 	return ret;
1306 }
1307 
ath10k_core_search_bd(struct ath10k * ar,const char * boardname,const u8 * data,size_t len)1308 static int ath10k_core_search_bd(struct ath10k *ar,
1309 				 const char *boardname,
1310 				 const u8 *data,
1311 				 size_t len)
1312 {
1313 	size_t ie_len;
1314 	struct ath10k_fw_ie *hdr;
1315 	int ret = -ENOENT, ie_id;
1316 
1317 	while (len > sizeof(struct ath10k_fw_ie)) {
1318 		hdr = (struct ath10k_fw_ie *)data;
1319 		ie_id = le32_to_cpu(hdr->id);
1320 		ie_len = le32_to_cpu(hdr->len);
1321 
1322 		len -= sizeof(*hdr);
1323 		data = hdr->data;
1324 
1325 		if (len < ALIGN(ie_len, 4)) {
1326 			ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
1327 				   ie_id, ie_len, len);
1328 			return -EINVAL;
1329 		}
1330 
1331 		switch (ie_id) {
1332 		case ATH10K_BD_IE_BOARD:
1333 			ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
1334 							    boardname);
1335 			if (ret == -ENOENT)
1336 				/* no match found, continue */
1337 				break;
1338 
1339 			/* either found or error, so stop searching */
1340 			goto out;
1341 		}
1342 
1343 		/* jump over the padding */
1344 		ie_len = ALIGN(ie_len, 4);
1345 
1346 		len -= ie_len;
1347 		data += ie_len;
1348 	}
1349 
1350 out:
1351 	/* return result of parse_bd_ie_board() or -ENOENT */
1352 	return ret;
1353 }
1354 
ath10k_core_fetch_board_data_api_n(struct ath10k * ar,const char * boardname,const char * fallback_boardname,const char * filename)1355 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
1356 					      const char *boardname,
1357 					      const char *fallback_boardname,
1358 					      const char *filename)
1359 {
1360 	size_t len, magic_len;
1361 	const u8 *data;
1362 	int ret;
1363 
1364 	ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
1365 							ar->hw_params.fw.dir,
1366 							filename);
1367 	if (IS_ERR(ar->normal_mode_fw.board))
1368 		return PTR_ERR(ar->normal_mode_fw.board);
1369 
1370 	data = ar->normal_mode_fw.board->data;
1371 	len = ar->normal_mode_fw.board->size;
1372 
1373 	/* magic has extra null byte padded */
1374 	magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
1375 	if (len < magic_len) {
1376 		ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
1377 			   ar->hw_params.fw.dir, filename, len);
1378 		ret = -EINVAL;
1379 		goto err;
1380 	}
1381 
1382 	if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
1383 		ath10k_err(ar, "found invalid board magic\n");
1384 		ret = -EINVAL;
1385 		goto err;
1386 	}
1387 
1388 	/* magic is padded to 4 bytes */
1389 	magic_len = ALIGN(magic_len, 4);
1390 	if (len < magic_len) {
1391 		ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
1392 			   ar->hw_params.fw.dir, filename, len);
1393 		ret = -EINVAL;
1394 		goto err;
1395 	}
1396 
1397 	data += magic_len;
1398 	len -= magic_len;
1399 
1400 	/* attempt to find boardname in the IE list */
1401 	ret = ath10k_core_search_bd(ar, boardname, data, len);
1402 
1403 	/* if we didn't find it and have a fallback name, try that */
1404 	if (ret == -ENOENT && fallback_boardname)
1405 		ret = ath10k_core_search_bd(ar, fallback_boardname, data, len);
1406 
1407 	if (ret == -ENOENT) {
1408 		ath10k_err(ar,
1409 			   "failed to fetch board data for %s from %s/%s\n",
1410 			   boardname, ar->hw_params.fw.dir, filename);
1411 		ret = -ENODATA;
1412 	}
1413 
1414 	if (ret)
1415 		goto err;
1416 
1417 	return 0;
1418 
1419 err:
1420 	ath10k_core_free_board_files(ar);
1421 	return ret;
1422 }
1423 
ath10k_core_create_board_name(struct ath10k * ar,char * name,size_t name_len,bool with_variant)1424 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1425 					 size_t name_len, bool with_variant)
1426 {
1427 	/* strlen(',variant=') + strlen(ar->id.bdf_ext) */
1428 	char variant[9 + ATH10K_SMBIOS_BDF_EXT_STR_LENGTH] = { 0 };
1429 
1430 	if (with_variant && ar->id.bdf_ext[0] != '\0')
1431 		scnprintf(variant, sizeof(variant), ",variant=%s",
1432 			  ar->id.bdf_ext);
1433 
1434 	if (ar->id.bmi_ids_valid) {
1435 		scnprintf(name, name_len,
1436 			  "bus=%s,bmi-chip-id=%d,bmi-board-id=%d%s",
1437 			  ath10k_bus_str(ar->hif.bus),
1438 			  ar->id.bmi_chip_id,
1439 			  ar->id.bmi_board_id, variant);
1440 		goto out;
1441 	}
1442 
1443 	scnprintf(name, name_len,
1444 		  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x%s",
1445 		  ath10k_bus_str(ar->hif.bus),
1446 		  ar->id.vendor, ar->id.device,
1447 		  ar->id.subsystem_vendor, ar->id.subsystem_device, variant);
1448 out:
1449 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1450 
1451 	return 0;
1452 }
1453 
ath10k_core_fetch_board_file(struct ath10k * ar)1454 static int ath10k_core_fetch_board_file(struct ath10k *ar)
1455 {
1456 	char boardname[100], fallback_boardname[100];
1457 	int ret;
1458 
1459 	ret = ath10k_core_create_board_name(ar, boardname,
1460 					    sizeof(boardname), true);
1461 	if (ret) {
1462 		ath10k_err(ar, "failed to create board name: %d", ret);
1463 		return ret;
1464 	}
1465 
1466 	ret = ath10k_core_create_board_name(ar, fallback_boardname,
1467 					    sizeof(boardname), false);
1468 	if (ret) {
1469 		ath10k_err(ar, "failed to create fallback board name: %d", ret);
1470 		return ret;
1471 	}
1472 
1473 	ar->bd_api = 2;
1474 	ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1475 						 fallback_boardname,
1476 						 ATH10K_BOARD_API2_FILE);
1477 	if (!ret)
1478 		goto success;
1479 
1480 	ar->bd_api = 1;
1481 	ret = ath10k_core_fetch_board_data_api_1(ar);
1482 	if (ret) {
1483 		ath10k_err(ar, "failed to fetch board-2.bin or board.bin from %s\n",
1484 			   ar->hw_params.fw.dir);
1485 		return ret;
1486 	}
1487 
1488 success:
1489 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1490 	return 0;
1491 }
1492 
ath10k_core_fetch_firmware_api_n(struct ath10k * ar,const char * name,struct ath10k_fw_file * fw_file)1493 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1494 				     struct ath10k_fw_file *fw_file)
1495 {
1496 	size_t magic_len, len, ie_len;
1497 	int ie_id, i, index, bit, ret;
1498 	struct ath10k_fw_ie *hdr;
1499 	const u8 *data;
1500 	__le32 *timestamp, *version;
1501 
1502 	/* first fetch the firmware file (firmware-*.bin) */
1503 	fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1504 						 name);
1505 	if (IS_ERR(fw_file->firmware))
1506 		return PTR_ERR(fw_file->firmware);
1507 
1508 	data = fw_file->firmware->data;
1509 	len = fw_file->firmware->size;
1510 
1511 	/* magic also includes the null byte, check that as well */
1512 	magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
1513 
1514 	if (len < magic_len) {
1515 		ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1516 			   ar->hw_params.fw.dir, name, len);
1517 		ret = -EINVAL;
1518 		goto err;
1519 	}
1520 
1521 	if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1522 		ath10k_err(ar, "invalid firmware magic\n");
1523 		ret = -EINVAL;
1524 		goto err;
1525 	}
1526 
1527 	/* jump over the padding */
1528 	magic_len = ALIGN(magic_len, 4);
1529 
1530 	len -= magic_len;
1531 	data += magic_len;
1532 
1533 	/* loop elements */
1534 	while (len > sizeof(struct ath10k_fw_ie)) {
1535 		hdr = (struct ath10k_fw_ie *)data;
1536 
1537 		ie_id = le32_to_cpu(hdr->id);
1538 		ie_len = le32_to_cpu(hdr->len);
1539 
1540 		len -= sizeof(*hdr);
1541 		data += sizeof(*hdr);
1542 
1543 		if (len < ie_len) {
1544 			ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1545 				   ie_id, len, ie_len);
1546 			ret = -EINVAL;
1547 			goto err;
1548 		}
1549 
1550 		switch (ie_id) {
1551 		case ATH10K_FW_IE_FW_VERSION:
1552 			if (ie_len > sizeof(fw_file->fw_version) - 1)
1553 				break;
1554 
1555 			memcpy(fw_file->fw_version, data, ie_len);
1556 			fw_file->fw_version[ie_len] = '\0';
1557 
1558 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1559 				   "found fw version %s\n",
1560 				    fw_file->fw_version);
1561 			break;
1562 		case ATH10K_FW_IE_TIMESTAMP:
1563 			if (ie_len != sizeof(u32))
1564 				break;
1565 
1566 			timestamp = (__le32 *)data;
1567 
1568 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1569 				   le32_to_cpup(timestamp));
1570 			break;
1571 		case ATH10K_FW_IE_FEATURES:
1572 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1573 				   "found firmware features ie (%zd B)\n",
1574 				   ie_len);
1575 
1576 			for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1577 				index = i / 8;
1578 				bit = i % 8;
1579 
1580 				if (index == ie_len)
1581 					break;
1582 
1583 				if (data[index] & (1 << bit)) {
1584 					ath10k_dbg(ar, ATH10K_DBG_BOOT,
1585 						   "Enabling feature bit: %i\n",
1586 						   i);
1587 					__set_bit(i, fw_file->fw_features);
1588 				}
1589 			}
1590 
1591 			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1592 					fw_file->fw_features,
1593 					sizeof(fw_file->fw_features));
1594 			break;
1595 		case ATH10K_FW_IE_FW_IMAGE:
1596 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1597 				   "found fw image ie (%zd B)\n",
1598 				   ie_len);
1599 
1600 			fw_file->firmware_data = data;
1601 			fw_file->firmware_len = ie_len;
1602 
1603 			break;
1604 		case ATH10K_FW_IE_OTP_IMAGE:
1605 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1606 				   "found otp image ie (%zd B)\n",
1607 				   ie_len);
1608 
1609 			fw_file->otp_data = data;
1610 			fw_file->otp_len = ie_len;
1611 
1612 			break;
1613 		case ATH10K_FW_IE_WMI_OP_VERSION:
1614 			if (ie_len != sizeof(u32))
1615 				break;
1616 
1617 			version = (__le32 *)data;
1618 
1619 			fw_file->wmi_op_version = le32_to_cpup(version);
1620 
1621 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1622 				   fw_file->wmi_op_version);
1623 			break;
1624 		case ATH10K_FW_IE_HTT_OP_VERSION:
1625 			if (ie_len != sizeof(u32))
1626 				break;
1627 
1628 			version = (__le32 *)data;
1629 
1630 			fw_file->htt_op_version = le32_to_cpup(version);
1631 
1632 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1633 				   fw_file->htt_op_version);
1634 			break;
1635 		case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1636 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
1637 				   "found fw code swap image ie (%zd B)\n",
1638 				   ie_len);
1639 			fw_file->codeswap_data = data;
1640 			fw_file->codeswap_len = ie_len;
1641 			break;
1642 		default:
1643 			ath10k_warn(ar, "Unknown FW IE: %u\n",
1644 				    le32_to_cpu(hdr->id));
1645 			break;
1646 		}
1647 
1648 		/* jump over the padding */
1649 		ie_len = ALIGN(ie_len, 4);
1650 
1651 		len -= ie_len;
1652 		data += ie_len;
1653 	}
1654 
1655 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, fw_file->fw_features) &&
1656 	    (!fw_file->firmware_data || !fw_file->firmware_len)) {
1657 		ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1658 			    ar->hw_params.fw.dir, name);
1659 		ret = -ENOMEDIUM;
1660 		goto err;
1661 	}
1662 
1663 	return 0;
1664 
1665 err:
1666 	ath10k_core_free_firmware_files(ar);
1667 	return ret;
1668 }
1669 
ath10k_core_get_fw_name(struct ath10k * ar,char * fw_name,size_t fw_name_len,int fw_api)1670 static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
1671 				    size_t fw_name_len, int fw_api)
1672 {
1673 	switch (ar->hif.bus) {
1674 	case ATH10K_BUS_SDIO:
1675 	case ATH10K_BUS_USB:
1676 		scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
1677 			  ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
1678 			  fw_api);
1679 		break;
1680 	case ATH10K_BUS_PCI:
1681 	case ATH10K_BUS_AHB:
1682 	case ATH10K_BUS_SNOC:
1683 		scnprintf(fw_name, fw_name_len, "%s-%d.bin",
1684 			  ATH10K_FW_FILE_BASE, fw_api);
1685 		break;
1686 	}
1687 }
1688 
ath10k_core_fetch_firmware_files(struct ath10k * ar)1689 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
1690 {
1691 	int ret, i;
1692 	char fw_name[100];
1693 
1694 	/* calibration file is optional, don't check for any errors */
1695 	ath10k_fetch_cal_file(ar);
1696 
1697 	for (i = ATH10K_FW_API_MAX; i >= ATH10K_FW_API_MIN; i--) {
1698 		ar->fw_api = i;
1699 		ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n",
1700 			   ar->fw_api);
1701 
1702 		ath10k_core_get_fw_name(ar, fw_name, sizeof(fw_name), ar->fw_api);
1703 		ret = ath10k_core_fetch_firmware_api_n(ar, fw_name,
1704 						       &ar->normal_mode_fw.fw_file);
1705 		if (!ret)
1706 			goto success;
1707 	}
1708 
1709 	/* we end up here if we couldn't fetch any firmware */
1710 
1711 	ath10k_err(ar, "Failed to find firmware-N.bin (N between %d and %d) from %s: %d",
1712 		   ATH10K_FW_API_MIN, ATH10K_FW_API_MAX, ar->hw_params.fw.dir,
1713 		   ret);
1714 
1715 	return ret;
1716 
1717 success:
1718 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1719 
1720 	return 0;
1721 }
1722 
ath10k_core_pre_cal_download(struct ath10k * ar)1723 static int ath10k_core_pre_cal_download(struct ath10k *ar)
1724 {
1725 	int ret;
1726 
1727 	ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
1728 	if (ret == 0) {
1729 		ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
1730 		goto success;
1731 	}
1732 
1733 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1734 		   "boot did not find a pre calibration file, try DT next: %d\n",
1735 		   ret);
1736 
1737 	ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
1738 	if (ret) {
1739 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1740 			   "unable to load pre cal data from DT: %d\n", ret);
1741 		return ret;
1742 	}
1743 	ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
1744 
1745 success:
1746 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1747 		   ath10k_cal_mode_str(ar->cal_mode));
1748 
1749 	return 0;
1750 }
1751 
ath10k_core_pre_cal_config(struct ath10k * ar)1752 static int ath10k_core_pre_cal_config(struct ath10k *ar)
1753 {
1754 	int ret;
1755 
1756 	ret = ath10k_core_pre_cal_download(ar);
1757 	if (ret) {
1758 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
1759 			   "failed to load pre cal data: %d\n", ret);
1760 		return ret;
1761 	}
1762 
1763 	ret = ath10k_core_get_board_id_from_otp(ar);
1764 	if (ret) {
1765 		ath10k_err(ar, "failed to get board id: %d\n", ret);
1766 		return ret;
1767 	}
1768 
1769 	ret = ath10k_download_and_run_otp(ar);
1770 	if (ret) {
1771 		ath10k_err(ar, "failed to run otp: %d\n", ret);
1772 		return ret;
1773 	}
1774 
1775 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1776 		   "pre cal configuration done successfully\n");
1777 
1778 	return 0;
1779 }
1780 
ath10k_download_cal_data(struct ath10k * ar)1781 static int ath10k_download_cal_data(struct ath10k *ar)
1782 {
1783 	int ret;
1784 
1785 	ret = ath10k_core_pre_cal_config(ar);
1786 	if (ret == 0)
1787 		return 0;
1788 
1789 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1790 		   "pre cal download procedure failed, try cal file: %d\n",
1791 		   ret);
1792 
1793 	ret = ath10k_download_cal_file(ar, ar->cal_file);
1794 	if (ret == 0) {
1795 		ar->cal_mode = ATH10K_CAL_MODE_FILE;
1796 		goto done;
1797 	}
1798 
1799 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1800 		   "boot did not find a calibration file, try DT next: %d\n",
1801 		   ret);
1802 
1803 	ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
1804 	if (ret == 0) {
1805 		ar->cal_mode = ATH10K_CAL_MODE_DT;
1806 		goto done;
1807 	}
1808 
1809 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1810 		   "boot did not find DT entry, try target EEPROM next: %d\n",
1811 		   ret);
1812 
1813 	ret = ath10k_download_cal_eeprom(ar);
1814 	if (ret == 0) {
1815 		ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
1816 		goto done;
1817 	}
1818 
1819 	ath10k_dbg(ar, ATH10K_DBG_BOOT,
1820 		   "boot did not find target EEPROM entry, try OTP next: %d\n",
1821 		   ret);
1822 
1823 	ret = ath10k_download_and_run_otp(ar);
1824 	if (ret) {
1825 		ath10k_err(ar, "failed to run otp: %d\n", ret);
1826 		return ret;
1827 	}
1828 
1829 	ar->cal_mode = ATH10K_CAL_MODE_OTP;
1830 
1831 done:
1832 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1833 		   ath10k_cal_mode_str(ar->cal_mode));
1834 	return 0;
1835 }
1836 
ath10k_init_uart(struct ath10k * ar)1837 static int ath10k_init_uart(struct ath10k *ar)
1838 {
1839 	int ret;
1840 
1841 	/*
1842 	 * Explicitly setting UART prints to zero as target turns it on
1843 	 * based on scratch registers.
1844 	 */
1845 	ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
1846 	if (ret) {
1847 		ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
1848 		return ret;
1849 	}
1850 
1851 	if (!uart_print)
1852 		return 0;
1853 
1854 	ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
1855 	if (ret) {
1856 		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1857 		return ret;
1858 	}
1859 
1860 	ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
1861 	if (ret) {
1862 		ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1863 		return ret;
1864 	}
1865 
1866 	/* Set the UART baud rate to 19200. */
1867 	ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
1868 	if (ret) {
1869 		ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
1870 		return ret;
1871 	}
1872 
1873 	ath10k_info(ar, "UART prints enabled\n");
1874 	return 0;
1875 }
1876 
ath10k_init_hw_params(struct ath10k * ar)1877 static int ath10k_init_hw_params(struct ath10k *ar)
1878 {
1879 	const struct ath10k_hw_params *uninitialized_var(hw_params);
1880 	int i;
1881 
1882 	for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
1883 		hw_params = &ath10k_hw_params_list[i];
1884 
1885 		if (hw_params->id == ar->target_version &&
1886 		    hw_params->dev_id == ar->dev_id)
1887 			break;
1888 	}
1889 
1890 	if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
1891 		ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
1892 			   ar->target_version);
1893 		return -EINVAL;
1894 	}
1895 
1896 	ar->hw_params = *hw_params;
1897 
1898 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
1899 		   ar->hw_params.name, ar->target_version);
1900 
1901 	return 0;
1902 }
1903 
ath10k_core_restart(struct work_struct * work)1904 static void ath10k_core_restart(struct work_struct *work)
1905 {
1906 	struct ath10k *ar = container_of(work, struct ath10k, restart_work);
1907 	int ret;
1908 
1909 	set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1910 
1911 	/* Place a barrier to make sure the compiler doesn't reorder
1912 	 * CRASH_FLUSH and calling other functions.
1913 	 */
1914 	barrier();
1915 
1916 	ieee80211_stop_queues(ar->hw);
1917 	ath10k_drain_tx(ar);
1918 	complete(&ar->scan.started);
1919 	complete(&ar->scan.completed);
1920 	complete(&ar->scan.on_channel);
1921 	complete(&ar->offchan_tx_completed);
1922 	complete(&ar->install_key_done);
1923 	complete(&ar->vdev_setup_done);
1924 	complete(&ar->thermal.wmi_sync);
1925 	complete(&ar->bss_survey_done);
1926 	wake_up(&ar->htt.empty_tx_wq);
1927 	wake_up(&ar->wmi.tx_credits_wq);
1928 	wake_up(&ar->peer_mapping_wq);
1929 
1930 	/* TODO: We can have one instance of cancelling coverage_class_work by
1931 	 * moving it to ath10k_halt(), so that both stop() and restart() would
1932 	 * call that but it takes conf_mutex() and if we call cancel_work_sync()
1933 	 * with conf_mutex it will deadlock.
1934 	 */
1935 	cancel_work_sync(&ar->set_coverage_class_work);
1936 
1937 	mutex_lock(&ar->conf_mutex);
1938 
1939 	switch (ar->state) {
1940 	case ATH10K_STATE_ON:
1941 		ar->state = ATH10K_STATE_RESTARTING;
1942 		ath10k_halt(ar);
1943 		ath10k_scan_finish(ar);
1944 		ieee80211_restart_hw(ar->hw);
1945 		break;
1946 	case ATH10K_STATE_OFF:
1947 		/* this can happen if driver is being unloaded
1948 		 * or if the crash happens during FW probing
1949 		 */
1950 		ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
1951 		break;
1952 	case ATH10K_STATE_RESTARTING:
1953 		/* hw restart might be requested from multiple places */
1954 		break;
1955 	case ATH10K_STATE_RESTARTED:
1956 		ar->state = ATH10K_STATE_WEDGED;
1957 		/* fall through */
1958 	case ATH10K_STATE_WEDGED:
1959 		ath10k_warn(ar, "device is wedged, will not restart\n");
1960 		break;
1961 	case ATH10K_STATE_UTF:
1962 		ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
1963 		break;
1964 	}
1965 
1966 	mutex_unlock(&ar->conf_mutex);
1967 
1968 	ret = ath10k_coredump_submit(ar);
1969 	if (ret)
1970 		ath10k_warn(ar, "failed to send firmware crash dump via devcoredump: %d",
1971 			    ret);
1972 }
1973 
ath10k_core_set_coverage_class_work(struct work_struct * work)1974 static void ath10k_core_set_coverage_class_work(struct work_struct *work)
1975 {
1976 	struct ath10k *ar = container_of(work, struct ath10k,
1977 					 set_coverage_class_work);
1978 
1979 	if (ar->hw_params.hw_ops->set_coverage_class)
1980 		ar->hw_params.hw_ops->set_coverage_class(ar, -1);
1981 }
1982 
ath10k_core_init_firmware_features(struct ath10k * ar)1983 static int ath10k_core_init_firmware_features(struct ath10k *ar)
1984 {
1985 	struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
1986 
1987 	if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
1988 	    !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
1989 		ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
1990 		return -EINVAL;
1991 	}
1992 
1993 	if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
1994 		ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
1995 			   ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
1996 		return -EINVAL;
1997 	}
1998 
1999 	ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
2000 	switch (ath10k_cryptmode_param) {
2001 	case ATH10K_CRYPT_MODE_HW:
2002 		clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2003 		clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2004 		break;
2005 	case ATH10K_CRYPT_MODE_SW:
2006 		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2007 			      fw_file->fw_features)) {
2008 			ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
2009 			return -EINVAL;
2010 		}
2011 
2012 		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2013 		set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
2014 		break;
2015 	default:
2016 		ath10k_info(ar, "invalid cryptmode: %d\n",
2017 			    ath10k_cryptmode_param);
2018 		return -EINVAL;
2019 	}
2020 
2021 	ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
2022 	ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
2023 
2024 	if (rawmode) {
2025 		if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
2026 			      fw_file->fw_features)) {
2027 			ath10k_err(ar, "rawmode = 1 requires support from firmware");
2028 			return -EINVAL;
2029 		}
2030 		set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
2031 	}
2032 
2033 	if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
2034 		ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
2035 
2036 		/* Workaround:
2037 		 *
2038 		 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
2039 		 * and causes enormous performance issues (malformed frames,
2040 		 * etc).
2041 		 *
2042 		 * Disabling A-MSDU makes RAW mode stable with heavy traffic
2043 		 * albeit a bit slower compared to regular operation.
2044 		 */
2045 		ar->htt.max_num_amsdu = 1;
2046 	}
2047 
2048 	/* Backwards compatibility for firmwares without
2049 	 * ATH10K_FW_IE_WMI_OP_VERSION.
2050 	 */
2051 	if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
2052 		if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
2053 			if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
2054 				     fw_file->fw_features))
2055 				fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
2056 			else
2057 				fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
2058 		} else {
2059 			fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
2060 		}
2061 	}
2062 
2063 	switch (fw_file->wmi_op_version) {
2064 	case ATH10K_FW_WMI_OP_VERSION_MAIN:
2065 		ar->max_num_peers = TARGET_NUM_PEERS;
2066 		ar->max_num_stations = TARGET_NUM_STATIONS;
2067 		ar->max_num_vdevs = TARGET_NUM_VDEVS;
2068 		ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
2069 		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2070 			WMI_STAT_PEER;
2071 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2072 		break;
2073 	case ATH10K_FW_WMI_OP_VERSION_10_1:
2074 	case ATH10K_FW_WMI_OP_VERSION_10_2:
2075 	case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2076 		if (ath10k_peer_stats_enabled(ar)) {
2077 			ar->max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
2078 			ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
2079 		} else {
2080 			ar->max_num_peers = TARGET_10X_NUM_PEERS;
2081 			ar->max_num_stations = TARGET_10X_NUM_STATIONS;
2082 		}
2083 		ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
2084 		ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
2085 		ar->fw_stats_req_mask = WMI_STAT_PEER;
2086 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2087 		break;
2088 	case ATH10K_FW_WMI_OP_VERSION_TLV:
2089 		ar->max_num_peers = TARGET_TLV_NUM_PEERS;
2090 		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
2091 		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
2092 		ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
2093 		ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
2094 		ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
2095 		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
2096 			WMI_STAT_PEER;
2097 		ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
2098 		ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC;
2099 		break;
2100 	case ATH10K_FW_WMI_OP_VERSION_10_4:
2101 		ar->max_num_peers = TARGET_10_4_NUM_PEERS;
2102 		ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
2103 		ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
2104 		ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
2105 		ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
2106 		ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
2107 					WMI_10_4_STAT_PEER_EXTD |
2108 					WMI_10_4_STAT_VDEV_EXTD;
2109 		ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
2110 		ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
2111 
2112 		if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
2113 			     fw_file->fw_features))
2114 			ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
2115 		else
2116 			ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
2117 		break;
2118 	case ATH10K_FW_WMI_OP_VERSION_UNSET:
2119 	case ATH10K_FW_WMI_OP_VERSION_MAX:
2120 		WARN_ON(1);
2121 		return -EINVAL;
2122 	}
2123 
2124 	/* Backwards compatibility for firmwares without
2125 	 * ATH10K_FW_IE_HTT_OP_VERSION.
2126 	 */
2127 	if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
2128 		switch (fw_file->wmi_op_version) {
2129 		case ATH10K_FW_WMI_OP_VERSION_MAIN:
2130 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
2131 			break;
2132 		case ATH10K_FW_WMI_OP_VERSION_10_1:
2133 		case ATH10K_FW_WMI_OP_VERSION_10_2:
2134 		case ATH10K_FW_WMI_OP_VERSION_10_2_4:
2135 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
2136 			break;
2137 		case ATH10K_FW_WMI_OP_VERSION_TLV:
2138 			fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
2139 			break;
2140 		case ATH10K_FW_WMI_OP_VERSION_10_4:
2141 		case ATH10K_FW_WMI_OP_VERSION_UNSET:
2142 		case ATH10K_FW_WMI_OP_VERSION_MAX:
2143 			ath10k_err(ar, "htt op version not found from fw meta data");
2144 			return -EINVAL;
2145 		}
2146 	}
2147 
2148 	return 0;
2149 }
2150 
ath10k_core_reset_rx_filter(struct ath10k * ar)2151 static int ath10k_core_reset_rx_filter(struct ath10k *ar)
2152 {
2153 	int ret;
2154 	int vdev_id;
2155 	int vdev_type;
2156 	int vdev_subtype;
2157 	const u8 *vdev_addr;
2158 
2159 	vdev_id = 0;
2160 	vdev_type = WMI_VDEV_TYPE_STA;
2161 	vdev_subtype = ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
2162 	vdev_addr = ar->mac_addr;
2163 
2164 	ret = ath10k_wmi_vdev_create(ar, vdev_id, vdev_type, vdev_subtype,
2165 				     vdev_addr);
2166 	if (ret) {
2167 		ath10k_err(ar, "failed to create dummy vdev: %d\n", ret);
2168 		return ret;
2169 	}
2170 
2171 	ret = ath10k_wmi_vdev_delete(ar, vdev_id);
2172 	if (ret) {
2173 		ath10k_err(ar, "failed to delete dummy vdev: %d\n", ret);
2174 		return ret;
2175 	}
2176 
2177 	/* WMI and HTT may use separate HIF pipes and are not guaranteed to be
2178 	 * serialized properly implicitly.
2179 	 *
2180 	 * Moreover (most) WMI commands have no explicit acknowledges. It is
2181 	 * possible to infer it implicitly by poking firmware with echo
2182 	 * command - getting a reply means all preceding comments have been
2183 	 * (mostly) processed.
2184 	 *
2185 	 * In case of vdev create/delete this is sufficient.
2186 	 *
2187 	 * Without this it's possible to end up with a race when HTT Rx ring is
2188 	 * started before vdev create/delete hack is complete allowing a short
2189 	 * window of opportunity to receive (and Tx ACK) a bunch of frames.
2190 	 */
2191 	ret = ath10k_wmi_barrier(ar);
2192 	if (ret) {
2193 		ath10k_err(ar, "failed to ping firmware: %d\n", ret);
2194 		return ret;
2195 	}
2196 
2197 	return 0;
2198 }
2199 
ath10k_core_start(struct ath10k * ar,enum ath10k_firmware_mode mode,const struct ath10k_fw_components * fw)2200 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
2201 		      const struct ath10k_fw_components *fw)
2202 {
2203 	int status;
2204 	u32 val;
2205 
2206 	lockdep_assert_held(&ar->conf_mutex);
2207 
2208 	clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
2209 
2210 	ar->running_fw = fw;
2211 
2212 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2213 		      ar->running_fw->fw_file.fw_features)) {
2214 		ath10k_bmi_start(ar);
2215 
2216 		if (ath10k_init_configure_target(ar)) {
2217 			status = -EINVAL;
2218 			goto err;
2219 		}
2220 
2221 		status = ath10k_download_cal_data(ar);
2222 		if (status)
2223 			goto err;
2224 
2225 		/* Some of of qca988x solutions are having global reset issue
2226 		 * during target initialization. Bypassing PLL setting before
2227 		 * downloading firmware and letting the SoC run on REF_CLK is
2228 		 * fixing the problem. Corresponding firmware change is also
2229 		 * needed to set the clock source once the target is
2230 		 * initialized.
2231 		 */
2232 		if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
2233 			     ar->running_fw->fw_file.fw_features)) {
2234 			status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
2235 			if (status) {
2236 				ath10k_err(ar, "could not write to skip_clock_init: %d\n",
2237 					   status);
2238 				goto err;
2239 			}
2240 		}
2241 
2242 		status = ath10k_download_fw(ar);
2243 		if (status)
2244 			goto err;
2245 
2246 		status = ath10k_init_uart(ar);
2247 		if (status)
2248 			goto err;
2249 
2250 		if (ar->hif.bus == ATH10K_BUS_SDIO)
2251 			ath10k_init_sdio(ar);
2252 	}
2253 
2254 	ar->htc.htc_ops.target_send_suspend_complete =
2255 		ath10k_send_suspend_complete;
2256 
2257 	status = ath10k_htc_init(ar);
2258 	if (status) {
2259 		ath10k_err(ar, "could not init HTC (%d)\n", status);
2260 		goto err;
2261 	}
2262 
2263 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2264 		      ar->running_fw->fw_file.fw_features)) {
2265 		status = ath10k_bmi_done(ar);
2266 		if (status)
2267 			goto err;
2268 	}
2269 
2270 	status = ath10k_wmi_attach(ar);
2271 	if (status) {
2272 		ath10k_err(ar, "WMI attach failed: %d\n", status);
2273 		goto err;
2274 	}
2275 
2276 	status = ath10k_htt_init(ar);
2277 	if (status) {
2278 		ath10k_err(ar, "failed to init htt: %d\n", status);
2279 		goto err_wmi_detach;
2280 	}
2281 
2282 	status = ath10k_htt_tx_start(&ar->htt);
2283 	if (status) {
2284 		ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
2285 		goto err_wmi_detach;
2286 	}
2287 
2288 	/* If firmware indicates Full Rx Reorder support it must be used in a
2289 	 * slightly different manner. Let HTT code know.
2290 	 */
2291 	ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
2292 						ar->wmi.svc_map));
2293 
2294 	status = ath10k_htt_rx_alloc(&ar->htt);
2295 	if (status) {
2296 		ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
2297 		goto err_htt_tx_detach;
2298 	}
2299 
2300 	status = ath10k_hif_start(ar);
2301 	if (status) {
2302 		ath10k_err(ar, "could not start HIF: %d\n", status);
2303 		goto err_htt_rx_detach;
2304 	}
2305 
2306 	status = ath10k_htc_wait_target(&ar->htc);
2307 	if (status) {
2308 		ath10k_err(ar, "failed to connect to HTC: %d\n", status);
2309 		goto err_hif_stop;
2310 	}
2311 
2312 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2313 		status = ath10k_htt_connect(&ar->htt);
2314 		if (status) {
2315 			ath10k_err(ar, "failed to connect htt (%d)\n", status);
2316 			goto err_hif_stop;
2317 		}
2318 	}
2319 
2320 	status = ath10k_wmi_connect(ar);
2321 	if (status) {
2322 		ath10k_err(ar, "could not connect wmi: %d\n", status);
2323 		goto err_hif_stop;
2324 	}
2325 
2326 	status = ath10k_htc_start(&ar->htc);
2327 	if (status) {
2328 		ath10k_err(ar, "failed to start htc: %d\n", status);
2329 		goto err_hif_stop;
2330 	}
2331 
2332 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2333 		status = ath10k_wmi_wait_for_service_ready(ar);
2334 		if (status) {
2335 			ath10k_warn(ar, "wmi service ready event not received");
2336 			goto err_hif_stop;
2337 		}
2338 	}
2339 
2340 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
2341 		   ar->hw->wiphy->fw_version);
2342 
2343 	if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map) &&
2344 	    mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2345 		val = 0;
2346 		if (ath10k_peer_stats_enabled(ar))
2347 			val = WMI_10_4_PEER_STATS;
2348 
2349 		/* Enable vdev stats by default */
2350 		val |= WMI_10_4_VDEV_STATS;
2351 
2352 		if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
2353 			val |= WMI_10_4_BSS_CHANNEL_INFO_64;
2354 
2355 		/* 10.4 firmware supports BT-Coex without reloading firmware
2356 		 * via pdev param. To support Bluetooth coexistence pdev param,
2357 		 * WMI_COEX_GPIO_SUPPORT of extended resource config should be
2358 		 * enabled always.
2359 		 */
2360 		if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
2361 		    test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
2362 			     ar->running_fw->fw_file.fw_features))
2363 			val |= WMI_10_4_COEX_GPIO_SUPPORT;
2364 
2365 		if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
2366 			     ar->wmi.svc_map))
2367 			val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
2368 
2369 		if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
2370 			     ar->wmi.svc_map))
2371 			val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
2372 
2373 		status = ath10k_mac_ext_resource_config(ar, val);
2374 		if (status) {
2375 			ath10k_err(ar,
2376 				   "failed to send ext resource cfg command : %d\n",
2377 				   status);
2378 			goto err_hif_stop;
2379 		}
2380 	}
2381 
2382 	status = ath10k_wmi_cmd_init(ar);
2383 	if (status) {
2384 		ath10k_err(ar, "could not send WMI init command (%d)\n",
2385 			   status);
2386 		goto err_hif_stop;
2387 	}
2388 
2389 	status = ath10k_wmi_wait_for_unified_ready(ar);
2390 	if (status) {
2391 		ath10k_err(ar, "wmi unified ready event not received\n");
2392 		goto err_hif_stop;
2393 	}
2394 
2395 	/* Some firmware revisions do not properly set up hardware rx filter
2396 	 * registers.
2397 	 *
2398 	 * A known example from QCA9880 and 10.2.4 is that MAC_PCU_ADDR1_MASK
2399 	 * is filled with 0s instead of 1s allowing HW to respond with ACKs to
2400 	 * any frames that matches MAC_PCU_RX_FILTER which is also
2401 	 * misconfigured to accept anything.
2402 	 *
2403 	 * The ADDR1 is programmed using internal firmware structure field and
2404 	 * can't be (easily/sanely) reached from the driver explicitly. It is
2405 	 * possible to implicitly make it correct by creating a dummy vdev and
2406 	 * then deleting it.
2407 	 */
2408 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2409 		status = ath10k_core_reset_rx_filter(ar);
2410 		if (status) {
2411 			ath10k_err(ar,
2412 				   "failed to reset rx filter: %d\n", status);
2413 			goto err_hif_stop;
2414 		}
2415 	}
2416 
2417 	status = ath10k_htt_rx_ring_refill(ar);
2418 	if (status) {
2419 		ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
2420 		goto err_hif_stop;
2421 	}
2422 
2423 	if (ar->max_num_vdevs >= 64)
2424 		ar->free_vdev_map = 0xFFFFFFFFFFFFFFFFLL;
2425 	else
2426 		ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
2427 
2428 	INIT_LIST_HEAD(&ar->arvifs);
2429 
2430 	/* we don't care about HTT in UTF mode */
2431 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
2432 		status = ath10k_htt_setup(&ar->htt);
2433 		if (status) {
2434 			ath10k_err(ar, "failed to setup htt: %d\n", status);
2435 			goto err_hif_stop;
2436 		}
2437 	}
2438 
2439 	status = ath10k_debug_start(ar);
2440 	if (status)
2441 		goto err_hif_stop;
2442 
2443 	return 0;
2444 
2445 err_hif_stop:
2446 	ath10k_hif_stop(ar);
2447 err_htt_rx_detach:
2448 	ath10k_htt_rx_free(&ar->htt);
2449 err_htt_tx_detach:
2450 	ath10k_htt_tx_free(&ar->htt);
2451 err_wmi_detach:
2452 	ath10k_wmi_detach(ar);
2453 err:
2454 	return status;
2455 }
2456 EXPORT_SYMBOL(ath10k_core_start);
2457 
ath10k_wait_for_suspend(struct ath10k * ar,u32 suspend_opt)2458 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
2459 {
2460 	int ret;
2461 	unsigned long time_left;
2462 
2463 	reinit_completion(&ar->target_suspend);
2464 
2465 	ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
2466 	if (ret) {
2467 		ath10k_warn(ar, "could not suspend target (%d)\n", ret);
2468 		return ret;
2469 	}
2470 
2471 	time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
2472 
2473 	if (!time_left) {
2474 		ath10k_warn(ar, "suspend timed out - target pause event never came\n");
2475 		return -ETIMEDOUT;
2476 	}
2477 
2478 	return 0;
2479 }
2480 
ath10k_core_stop(struct ath10k * ar)2481 void ath10k_core_stop(struct ath10k *ar)
2482 {
2483 	lockdep_assert_held(&ar->conf_mutex);
2484 	ath10k_debug_stop(ar);
2485 
2486 	/* try to suspend target */
2487 	if (ar->state != ATH10K_STATE_RESTARTING &&
2488 	    ar->state != ATH10K_STATE_UTF)
2489 		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
2490 
2491 	ath10k_hif_stop(ar);
2492 	ath10k_htt_tx_stop(&ar->htt);
2493 	ath10k_htt_rx_free(&ar->htt);
2494 	ath10k_wmi_detach(ar);
2495 }
2496 EXPORT_SYMBOL(ath10k_core_stop);
2497 
2498 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
2499  * order to know what hw capabilities should be advertised to mac80211 it is
2500  * necessary to load the firmware (and tear it down immediately since start
2501  * hook will try to init it again) before registering
2502  */
ath10k_core_probe_fw(struct ath10k * ar)2503 static int ath10k_core_probe_fw(struct ath10k *ar)
2504 {
2505 	struct bmi_target_info target_info;
2506 	int ret = 0;
2507 
2508 	ret = ath10k_hif_power_up(ar);
2509 	if (ret) {
2510 		ath10k_err(ar, "could not power on hif bus (%d)\n", ret);
2511 		return ret;
2512 	}
2513 
2514 	switch (ar->hif.bus) {
2515 	case ATH10K_BUS_SDIO:
2516 		memset(&target_info, 0, sizeof(target_info));
2517 		ret = ath10k_bmi_get_target_info_sdio(ar, &target_info);
2518 		if (ret) {
2519 			ath10k_err(ar, "could not get target info (%d)\n", ret);
2520 			goto err_power_down;
2521 		}
2522 		ar->target_version = target_info.version;
2523 		ar->hw->wiphy->hw_version = target_info.version;
2524 		break;
2525 	case ATH10K_BUS_PCI:
2526 	case ATH10K_BUS_AHB:
2527 	case ATH10K_BUS_USB:
2528 		memset(&target_info, 0, sizeof(target_info));
2529 		ret = ath10k_bmi_get_target_info(ar, &target_info);
2530 		if (ret) {
2531 			ath10k_err(ar, "could not get target info (%d)\n", ret);
2532 			goto err_power_down;
2533 		}
2534 		ar->target_version = target_info.version;
2535 		ar->hw->wiphy->hw_version = target_info.version;
2536 		break;
2537 	case ATH10K_BUS_SNOC:
2538 		memset(&target_info, 0, sizeof(target_info));
2539 		ret = ath10k_hif_get_target_info(ar, &target_info);
2540 		if (ret) {
2541 			ath10k_err(ar, "could not get target info (%d)\n", ret);
2542 			goto err_power_down;
2543 		}
2544 		ar->target_version = target_info.version;
2545 		ar->hw->wiphy->hw_version = target_info.version;
2546 		break;
2547 	default:
2548 		ath10k_err(ar, "incorrect hif bus type: %d\n", ar->hif.bus);
2549 	}
2550 
2551 	ret = ath10k_init_hw_params(ar);
2552 	if (ret) {
2553 		ath10k_err(ar, "could not get hw params (%d)\n", ret);
2554 		goto err_power_down;
2555 	}
2556 
2557 	ret = ath10k_core_fetch_firmware_files(ar);
2558 	if (ret) {
2559 		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
2560 		goto err_power_down;
2561 	}
2562 
2563 	BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
2564 		     sizeof(ar->normal_mode_fw.fw_file.fw_version));
2565 	memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
2566 	       sizeof(ar->hw->wiphy->fw_version));
2567 
2568 	ath10k_debug_print_hwfw_info(ar);
2569 
2570 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2571 		      ar->normal_mode_fw.fw_file.fw_features)) {
2572 		ret = ath10k_core_pre_cal_download(ar);
2573 		if (ret) {
2574 			/* pre calibration data download is not necessary
2575 			 * for all the chipsets. Ignore failures and continue.
2576 			 */
2577 			ath10k_dbg(ar, ATH10K_DBG_BOOT,
2578 				   "could not load pre cal data: %d\n", ret);
2579 		}
2580 
2581 		ret = ath10k_core_get_board_id_from_otp(ar);
2582 		if (ret && ret != -EOPNOTSUPP) {
2583 			ath10k_err(ar, "failed to get board id from otp: %d\n",
2584 				   ret);
2585 			goto err_free_firmware_files;
2586 		}
2587 
2588 		ret = ath10k_core_check_smbios(ar);
2589 		if (ret)
2590 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "SMBIOS bdf variant name not set.\n");
2591 
2592 		ret = ath10k_core_check_dt(ar);
2593 		if (ret)
2594 			ath10k_dbg(ar, ATH10K_DBG_BOOT, "DT bdf variant name not set.\n");
2595 
2596 		ret = ath10k_core_fetch_board_file(ar);
2597 		if (ret) {
2598 			ath10k_err(ar, "failed to fetch board file: %d\n", ret);
2599 			goto err_free_firmware_files;
2600 		}
2601 
2602 		ath10k_debug_print_board_info(ar);
2603 	}
2604 
2605 	ret = ath10k_core_init_firmware_features(ar);
2606 	if (ret) {
2607 		ath10k_err(ar, "fatal problem with firmware features: %d\n",
2608 			   ret);
2609 		goto err_free_firmware_files;
2610 	}
2611 
2612 	if (!test_bit(ATH10K_FW_FEATURE_NON_BMI,
2613 		      ar->normal_mode_fw.fw_file.fw_features)) {
2614 		ret = ath10k_swap_code_seg_init(ar,
2615 						&ar->normal_mode_fw.fw_file);
2616 		if (ret) {
2617 			ath10k_err(ar, "failed to initialize code swap segment: %d\n",
2618 				   ret);
2619 			goto err_free_firmware_files;
2620 		}
2621 	}
2622 
2623 	mutex_lock(&ar->conf_mutex);
2624 
2625 	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
2626 				&ar->normal_mode_fw);
2627 	if (ret) {
2628 		ath10k_err(ar, "could not init core (%d)\n", ret);
2629 		goto err_unlock;
2630 	}
2631 
2632 	ath10k_debug_print_boot_info(ar);
2633 	ath10k_core_stop(ar);
2634 
2635 	mutex_unlock(&ar->conf_mutex);
2636 
2637 	ath10k_hif_power_down(ar);
2638 	return 0;
2639 
2640 err_unlock:
2641 	mutex_unlock(&ar->conf_mutex);
2642 
2643 err_free_firmware_files:
2644 	ath10k_core_free_firmware_files(ar);
2645 
2646 err_power_down:
2647 	ath10k_hif_power_down(ar);
2648 
2649 	return ret;
2650 }
2651 
ath10k_core_register_work(struct work_struct * work)2652 static void ath10k_core_register_work(struct work_struct *work)
2653 {
2654 	struct ath10k *ar = container_of(work, struct ath10k, register_work);
2655 	int status;
2656 
2657 	/* peer stats are enabled by default */
2658 	set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
2659 
2660 	status = ath10k_core_probe_fw(ar);
2661 	if (status) {
2662 		ath10k_err(ar, "could not probe fw (%d)\n", status);
2663 		goto err;
2664 	}
2665 
2666 	status = ath10k_mac_register(ar);
2667 	if (status) {
2668 		ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
2669 		goto err_release_fw;
2670 	}
2671 
2672 	status = ath10k_coredump_register(ar);
2673 	if (status) {
2674 		ath10k_err(ar, "unable to register coredump\n");
2675 		goto err_unregister_mac;
2676 	}
2677 
2678 	status = ath10k_debug_register(ar);
2679 	if (status) {
2680 		ath10k_err(ar, "unable to initialize debugfs\n");
2681 		goto err_unregister_coredump;
2682 	}
2683 
2684 	status = ath10k_spectral_create(ar);
2685 	if (status) {
2686 		ath10k_err(ar, "failed to initialize spectral\n");
2687 		goto err_debug_destroy;
2688 	}
2689 
2690 	status = ath10k_thermal_register(ar);
2691 	if (status) {
2692 		ath10k_err(ar, "could not register thermal device: %d\n",
2693 			   status);
2694 		goto err_spectral_destroy;
2695 	}
2696 
2697 	set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
2698 	return;
2699 
2700 err_spectral_destroy:
2701 	ath10k_spectral_destroy(ar);
2702 err_debug_destroy:
2703 	ath10k_debug_destroy(ar);
2704 err_unregister_coredump:
2705 	ath10k_coredump_unregister(ar);
2706 err_unregister_mac:
2707 	ath10k_mac_unregister(ar);
2708 err_release_fw:
2709 	ath10k_core_free_firmware_files(ar);
2710 err:
2711 	/* TODO: It's probably a good idea to release device from the driver
2712 	 * but calling device_release_driver() here will cause a deadlock.
2713 	 */
2714 	return;
2715 }
2716 
ath10k_core_register(struct ath10k * ar,u32 chip_id)2717 int ath10k_core_register(struct ath10k *ar, u32 chip_id)
2718 {
2719 	ar->chip_id = chip_id;
2720 	queue_work(ar->workqueue, &ar->register_work);
2721 
2722 	return 0;
2723 }
2724 EXPORT_SYMBOL(ath10k_core_register);
2725 
ath10k_core_unregister(struct ath10k * ar)2726 void ath10k_core_unregister(struct ath10k *ar)
2727 {
2728 	cancel_work_sync(&ar->register_work);
2729 
2730 	if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
2731 		return;
2732 
2733 	ath10k_thermal_unregister(ar);
2734 	/* Stop spectral before unregistering from mac80211 to remove the
2735 	 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
2736 	 * would be already be free'd recursively, leading to a double free.
2737 	 */
2738 	ath10k_spectral_destroy(ar);
2739 
2740 	/* We must unregister from mac80211 before we stop HTC and HIF.
2741 	 * Otherwise we will fail to submit commands to FW and mac80211 will be
2742 	 * unhappy about callback failures.
2743 	 */
2744 	ath10k_mac_unregister(ar);
2745 
2746 	ath10k_testmode_destroy(ar);
2747 
2748 	ath10k_core_free_firmware_files(ar);
2749 	ath10k_core_free_board_files(ar);
2750 
2751 	ath10k_debug_unregister(ar);
2752 }
2753 EXPORT_SYMBOL(ath10k_core_unregister);
2754 
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)2755 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
2756 				  enum ath10k_bus bus,
2757 				  enum ath10k_hw_rev hw_rev,
2758 				  const struct ath10k_hif_ops *hif_ops)
2759 {
2760 	struct ath10k *ar;
2761 	int ret;
2762 
2763 	ar = ath10k_mac_create(priv_size);
2764 	if (!ar)
2765 		return NULL;
2766 
2767 	ar->ath_common.priv = ar;
2768 	ar->ath_common.hw = ar->hw;
2769 	ar->dev = dev;
2770 	ar->hw_rev = hw_rev;
2771 	ar->hif.ops = hif_ops;
2772 	ar->hif.bus = bus;
2773 
2774 	switch (hw_rev) {
2775 	case ATH10K_HW_QCA988X:
2776 	case ATH10K_HW_QCA9887:
2777 		ar->regs = &qca988x_regs;
2778 		ar->hw_ce_regs = &qcax_ce_regs;
2779 		ar->hw_values = &qca988x_values;
2780 		break;
2781 	case ATH10K_HW_QCA6174:
2782 	case ATH10K_HW_QCA9377:
2783 		ar->regs = &qca6174_regs;
2784 		ar->hw_ce_regs = &qcax_ce_regs;
2785 		ar->hw_values = &qca6174_values;
2786 		break;
2787 	case ATH10K_HW_QCA99X0:
2788 	case ATH10K_HW_QCA9984:
2789 		ar->regs = &qca99x0_regs;
2790 		ar->hw_ce_regs = &qcax_ce_regs;
2791 		ar->hw_values = &qca99x0_values;
2792 		break;
2793 	case ATH10K_HW_QCA9888:
2794 		ar->regs = &qca99x0_regs;
2795 		ar->hw_ce_regs = &qcax_ce_regs;
2796 		ar->hw_values = &qca9888_values;
2797 		break;
2798 	case ATH10K_HW_QCA4019:
2799 		ar->regs = &qca4019_regs;
2800 		ar->hw_ce_regs = &qcax_ce_regs;
2801 		ar->hw_values = &qca4019_values;
2802 		break;
2803 	case ATH10K_HW_WCN3990:
2804 		ar->regs = &wcn3990_regs;
2805 		ar->hw_ce_regs = &wcn3990_ce_regs;
2806 		ar->hw_values = &wcn3990_values;
2807 		break;
2808 	default:
2809 		ath10k_err(ar, "unsupported core hardware revision %d\n",
2810 			   hw_rev);
2811 		ret = -ENOTSUPP;
2812 		goto err_free_mac;
2813 	}
2814 
2815 	init_completion(&ar->scan.started);
2816 	init_completion(&ar->scan.completed);
2817 	init_completion(&ar->scan.on_channel);
2818 	init_completion(&ar->target_suspend);
2819 	init_completion(&ar->wow.wakeup_completed);
2820 
2821 	init_completion(&ar->install_key_done);
2822 	init_completion(&ar->vdev_setup_done);
2823 	init_completion(&ar->thermal.wmi_sync);
2824 	init_completion(&ar->bss_survey_done);
2825 
2826 	INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
2827 
2828 	ar->workqueue = create_singlethread_workqueue("ath10k_wq");
2829 	if (!ar->workqueue)
2830 		goto err_free_mac;
2831 
2832 	ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
2833 	if (!ar->workqueue_aux)
2834 		goto err_free_wq;
2835 
2836 	mutex_init(&ar->conf_mutex);
2837 	spin_lock_init(&ar->data_lock);
2838 	spin_lock_init(&ar->txqs_lock);
2839 
2840 	INIT_LIST_HEAD(&ar->txqs);
2841 	INIT_LIST_HEAD(&ar->peers);
2842 	init_waitqueue_head(&ar->peer_mapping_wq);
2843 	init_waitqueue_head(&ar->htt.empty_tx_wq);
2844 	init_waitqueue_head(&ar->wmi.tx_credits_wq);
2845 
2846 	init_completion(&ar->offchan_tx_completed);
2847 	INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
2848 	skb_queue_head_init(&ar->offchan_tx_queue);
2849 
2850 	INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
2851 	skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
2852 
2853 	INIT_WORK(&ar->register_work, ath10k_core_register_work);
2854 	INIT_WORK(&ar->restart_work, ath10k_core_restart);
2855 	INIT_WORK(&ar->set_coverage_class_work,
2856 		  ath10k_core_set_coverage_class_work);
2857 
2858 	init_dummy_netdev(&ar->napi_dev);
2859 
2860 	ret = ath10k_coredump_create(ar);
2861 	if (ret)
2862 		goto err_free_aux_wq;
2863 
2864 	ret = ath10k_debug_create(ar);
2865 	if (ret)
2866 		goto err_free_coredump;
2867 
2868 	return ar;
2869 
2870 err_free_coredump:
2871 	ath10k_coredump_destroy(ar);
2872 
2873 err_free_aux_wq:
2874 	destroy_workqueue(ar->workqueue_aux);
2875 err_free_wq:
2876 	destroy_workqueue(ar->workqueue);
2877 
2878 err_free_mac:
2879 	ath10k_mac_destroy(ar);
2880 
2881 	return NULL;
2882 }
2883 EXPORT_SYMBOL(ath10k_core_create);
2884 
ath10k_core_destroy(struct ath10k * ar)2885 void ath10k_core_destroy(struct ath10k *ar)
2886 {
2887 	flush_workqueue(ar->workqueue);
2888 	destroy_workqueue(ar->workqueue);
2889 
2890 	flush_workqueue(ar->workqueue_aux);
2891 	destroy_workqueue(ar->workqueue_aux);
2892 
2893 	ath10k_debug_destroy(ar);
2894 	ath10k_coredump_destroy(ar);
2895 	ath10k_htt_tx_destroy(&ar->htt);
2896 	ath10k_wmi_free_host_mem(ar);
2897 	ath10k_mac_destroy(ar);
2898 }
2899 EXPORT_SYMBOL(ath10k_core_destroy);
2900 
2901 MODULE_AUTHOR("Qualcomm Atheros");
2902 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
2903 MODULE_LICENSE("Dual BSD/GPL");
2904