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Merge branch 'cec-defines' into for-linus
[deliverable/linux.git] / drivers / net / wireless / ath / ath10k / core.c
1 /*
2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <linux/module.h>
19 #include <linux/firmware.h>
20 #include <linux/of.h>
21
22 #include "core.h"
23 #include "mac.h"
24 #include "htc.h"
25 #include "hif.h"
26 #include "wmi.h"
27 #include "bmi.h"
28 #include "debug.h"
29 #include "htt.h"
30 #include "testmode.h"
31 #include "wmi-ops.h"
32
33 unsigned int ath10k_debug_mask;
34 static unsigned int ath10k_cryptmode_param;
35 static bool uart_print;
36 static bool skip_otp;
37 static bool rawmode;
38
39 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
40 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
41 module_param(uart_print, bool, 0644);
42 module_param(skip_otp, bool, 0644);
43 module_param(rawmode, bool, 0644);
44
45 MODULE_PARM_DESC(debug_mask, "Debugging mask");
46 MODULE_PARM_DESC(uart_print, "Uart target debugging");
47 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
48 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
49 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
50
51 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
52 {
53 .id = QCA988X_HW_2_0_VERSION,
54 .dev_id = QCA988X_2_0_DEVICE_ID,
55 .name = "qca988x hw2.0",
56 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
57 .uart_pin = 7,
58 .has_shifted_cc_wraparound = true,
59 .otp_exe_param = 0,
60 .channel_counters_freq_hz = 88000,
61 .max_probe_resp_desc_thres = 0,
62 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
63 .fw = {
64 .dir = QCA988X_HW_2_0_FW_DIR,
65 .fw = QCA988X_HW_2_0_FW_FILE,
66 .otp = QCA988X_HW_2_0_OTP_FILE,
67 .board = QCA988X_HW_2_0_BOARD_DATA_FILE,
68 .board_size = QCA988X_BOARD_DATA_SZ,
69 .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
70 },
71 },
72 {
73 .id = QCA6174_HW_2_1_VERSION,
74 .dev_id = QCA6164_2_1_DEVICE_ID,
75 .name = "qca6164 hw2.1",
76 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
77 .uart_pin = 6,
78 .otp_exe_param = 0,
79 .channel_counters_freq_hz = 88000,
80 .max_probe_resp_desc_thres = 0,
81 .fw = {
82 .dir = QCA6174_HW_2_1_FW_DIR,
83 .fw = QCA6174_HW_2_1_FW_FILE,
84 .otp = QCA6174_HW_2_1_OTP_FILE,
85 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
86 .board_size = QCA6174_BOARD_DATA_SZ,
87 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
88 },
89 },
90 {
91 .id = QCA6174_HW_2_1_VERSION,
92 .dev_id = QCA6174_2_1_DEVICE_ID,
93 .name = "qca6174 hw2.1",
94 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
95 .uart_pin = 6,
96 .otp_exe_param = 0,
97 .channel_counters_freq_hz = 88000,
98 .max_probe_resp_desc_thres = 0,
99 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
100 .fw = {
101 .dir = QCA6174_HW_2_1_FW_DIR,
102 .fw = QCA6174_HW_2_1_FW_FILE,
103 .otp = QCA6174_HW_2_1_OTP_FILE,
104 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
105 .board_size = QCA6174_BOARD_DATA_SZ,
106 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
107 },
108 },
109 {
110 .id = QCA6174_HW_3_0_VERSION,
111 .dev_id = QCA6174_2_1_DEVICE_ID,
112 .name = "qca6174 hw3.0",
113 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
114 .uart_pin = 6,
115 .otp_exe_param = 0,
116 .channel_counters_freq_hz = 88000,
117 .max_probe_resp_desc_thres = 0,
118 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
119 .fw = {
120 .dir = QCA6174_HW_3_0_FW_DIR,
121 .fw = QCA6174_HW_3_0_FW_FILE,
122 .otp = QCA6174_HW_3_0_OTP_FILE,
123 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
124 .board_size = QCA6174_BOARD_DATA_SZ,
125 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
126 },
127 },
128 {
129 .id = QCA6174_HW_3_2_VERSION,
130 .dev_id = QCA6174_2_1_DEVICE_ID,
131 .name = "qca6174 hw3.2",
132 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
133 .uart_pin = 6,
134 .otp_exe_param = 0,
135 .channel_counters_freq_hz = 88000,
136 .max_probe_resp_desc_thres = 0,
137 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
138 .fw = {
139 /* uses same binaries as hw3.0 */
140 .dir = QCA6174_HW_3_0_FW_DIR,
141 .fw = QCA6174_HW_3_0_FW_FILE,
142 .otp = QCA6174_HW_3_0_OTP_FILE,
143 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
144 .board_size = QCA6174_BOARD_DATA_SZ,
145 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
146 },
147 },
148 {
149 .id = QCA99X0_HW_2_0_DEV_VERSION,
150 .dev_id = QCA99X0_2_0_DEVICE_ID,
151 .name = "qca99x0 hw2.0",
152 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
153 .uart_pin = 7,
154 .otp_exe_param = 0x00000700,
155 .continuous_frag_desc = true,
156 .channel_counters_freq_hz = 150000,
157 .max_probe_resp_desc_thres = 24,
158 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
159 .num_msdu_desc = 1424,
160 .qcache_active_peers = 50,
161 .tx_chain_mask = 0xf,
162 .rx_chain_mask = 0xf,
163 .max_spatial_stream = 4,
164 .fw = {
165 .dir = QCA99X0_HW_2_0_FW_DIR,
166 .fw = QCA99X0_HW_2_0_FW_FILE,
167 .otp = QCA99X0_HW_2_0_OTP_FILE,
168 .board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
169 .board_size = QCA99X0_BOARD_DATA_SZ,
170 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
171 },
172 },
173 {
174 .id = QCA9377_HW_1_0_DEV_VERSION,
175 .dev_id = QCA9377_1_0_DEVICE_ID,
176 .name = "qca9377 hw1.0",
177 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
178 .uart_pin = 6,
179 .otp_exe_param = 0,
180 .channel_counters_freq_hz = 88000,
181 .max_probe_resp_desc_thres = 0,
182 .fw = {
183 .dir = QCA9377_HW_1_0_FW_DIR,
184 .fw = QCA9377_HW_1_0_FW_FILE,
185 .otp = QCA9377_HW_1_0_OTP_FILE,
186 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
187 .board_size = QCA9377_BOARD_DATA_SZ,
188 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
189 },
190 },
191 {
192 .id = QCA9377_HW_1_1_DEV_VERSION,
193 .dev_id = QCA9377_1_0_DEVICE_ID,
194 .name = "qca9377 hw1.1",
195 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
196 .uart_pin = 6,
197 .otp_exe_param = 0,
198 .channel_counters_freq_hz = 88000,
199 .max_probe_resp_desc_thres = 0,
200 .fw = {
201 .dir = QCA9377_HW_1_0_FW_DIR,
202 .fw = QCA9377_HW_1_0_FW_FILE,
203 .otp = QCA9377_HW_1_0_OTP_FILE,
204 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
205 .board_size = QCA9377_BOARD_DATA_SZ,
206 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
207 },
208 },
209 {
210 .id = QCA4019_HW_1_0_DEV_VERSION,
211 .dev_id = 0,
212 .name = "qca4019 hw1.0",
213 .patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
214 .uart_pin = 7,
215 .otp_exe_param = 0x0010000,
216 .continuous_frag_desc = true,
217 .channel_counters_freq_hz = 125000,
218 .max_probe_resp_desc_thres = 24,
219 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
220 .num_msdu_desc = 2500,
221 .qcache_active_peers = 35,
222 .tx_chain_mask = 0x3,
223 .rx_chain_mask = 0x3,
224 .max_spatial_stream = 2,
225 .fw = {
226 .dir = QCA4019_HW_1_0_FW_DIR,
227 .fw = QCA4019_HW_1_0_FW_FILE,
228 .otp = QCA4019_HW_1_0_OTP_FILE,
229 .board = QCA4019_HW_1_0_BOARD_DATA_FILE,
230 .board_size = QCA4019_BOARD_DATA_SZ,
231 .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
232 },
233 },
234 };
235
236 static const char *const ath10k_core_fw_feature_str[] = {
237 [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
238 [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
239 [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
240 [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
241 [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
242 [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
243 [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
244 [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
245 [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
246 [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
247 [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
248 [ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
249 [ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
250 [ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
251 };
252
253 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
254 size_t buf_len,
255 enum ath10k_fw_features feat)
256 {
257 /* make sure that ath10k_core_fw_feature_str[] gets updated */
258 BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
259 ATH10K_FW_FEATURE_COUNT);
260
261 if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
262 WARN_ON(!ath10k_core_fw_feature_str[feat])) {
263 return scnprintf(buf, buf_len, "bit%d", feat);
264 }
265
266 return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
267 }
268
269 void ath10k_core_get_fw_features_str(struct ath10k *ar,
270 char *buf,
271 size_t buf_len)
272 {
273 unsigned int len = 0;
274 int i;
275
276 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
277 if (test_bit(i, ar->fw_features)) {
278 if (len > 0)
279 len += scnprintf(buf + len, buf_len - len, ",");
280
281 len += ath10k_core_get_fw_feature_str(buf + len,
282 buf_len - len,
283 i);
284 }
285 }
286 }
287
288 static void ath10k_send_suspend_complete(struct ath10k *ar)
289 {
290 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
291
292 complete(&ar->target_suspend);
293 }
294
295 static int ath10k_init_configure_target(struct ath10k *ar)
296 {
297 u32 param_host;
298 int ret;
299
300 /* tell target which HTC version it is used*/
301 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
302 HTC_PROTOCOL_VERSION);
303 if (ret) {
304 ath10k_err(ar, "settings HTC version failed\n");
305 return ret;
306 }
307
308 /* set the firmware mode to STA/IBSS/AP */
309 ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
310 if (ret) {
311 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
312 return ret;
313 }
314
315 /* TODO following parameters need to be re-visited. */
316 /* num_device */
317 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
318 /* Firmware mode */
319 /* FIXME: Why FW_MODE_AP ??.*/
320 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
321 /* mac_addr_method */
322 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
323 /* firmware_bridge */
324 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
325 /* fwsubmode */
326 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
327
328 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
329 if (ret) {
330 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
331 return ret;
332 }
333
334 /* We do all byte-swapping on the host */
335 ret = ath10k_bmi_write32(ar, hi_be, 0);
336 if (ret) {
337 ath10k_err(ar, "setting host CPU BE mode failed\n");
338 return ret;
339 }
340
341 /* FW descriptor/Data swap flags */
342 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
343
344 if (ret) {
345 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
346 return ret;
347 }
348
349 /* Some devices have a special sanity check that verifies the PCI
350 * Device ID is written to this host interest var. It is known to be
351 * required to boot QCA6164.
352 */
353 ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
354 ar->dev_id);
355 if (ret) {
356 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
357 return ret;
358 }
359
360 return 0;
361 }
362
363 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
364 const char *dir,
365 const char *file)
366 {
367 char filename[100];
368 const struct firmware *fw;
369 int ret;
370
371 if (file == NULL)
372 return ERR_PTR(-ENOENT);
373
374 if (dir == NULL)
375 dir = ".";
376
377 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
378 ret = request_firmware(&fw, filename, ar->dev);
379 if (ret)
380 return ERR_PTR(ret);
381
382 return fw;
383 }
384
385 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
386 size_t data_len)
387 {
388 u32 board_data_size = ar->hw_params.fw.board_size;
389 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
390 u32 board_ext_data_addr;
391 int ret;
392
393 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
394 if (ret) {
395 ath10k_err(ar, "could not read board ext data addr (%d)\n",
396 ret);
397 return ret;
398 }
399
400 ath10k_dbg(ar, ATH10K_DBG_BOOT,
401 "boot push board extended data addr 0x%x\n",
402 board_ext_data_addr);
403
404 if (board_ext_data_addr == 0)
405 return 0;
406
407 if (data_len != (board_data_size + board_ext_data_size)) {
408 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
409 data_len, board_data_size, board_ext_data_size);
410 return -EINVAL;
411 }
412
413 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
414 data + board_data_size,
415 board_ext_data_size);
416 if (ret) {
417 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
418 return ret;
419 }
420
421 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
422 (board_ext_data_size << 16) | 1);
423 if (ret) {
424 ath10k_err(ar, "could not write board ext data bit (%d)\n",
425 ret);
426 return ret;
427 }
428
429 return 0;
430 }
431
432 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
433 size_t data_len)
434 {
435 u32 board_data_size = ar->hw_params.fw.board_size;
436 u32 address;
437 int ret;
438
439 ret = ath10k_push_board_ext_data(ar, data, data_len);
440 if (ret) {
441 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
442 goto exit;
443 }
444
445 ret = ath10k_bmi_read32(ar, hi_board_data, &address);
446 if (ret) {
447 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
448 goto exit;
449 }
450
451 ret = ath10k_bmi_write_memory(ar, address, data,
452 min_t(u32, board_data_size,
453 data_len));
454 if (ret) {
455 ath10k_err(ar, "could not write board data (%d)\n", ret);
456 goto exit;
457 }
458
459 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
460 if (ret) {
461 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
462 goto exit;
463 }
464
465 exit:
466 return ret;
467 }
468
469 static int ath10k_download_cal_file(struct ath10k *ar)
470 {
471 int ret;
472
473 if (!ar->cal_file)
474 return -ENOENT;
475
476 if (IS_ERR(ar->cal_file))
477 return PTR_ERR(ar->cal_file);
478
479 ret = ath10k_download_board_data(ar, ar->cal_file->data,
480 ar->cal_file->size);
481 if (ret) {
482 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
483 return ret;
484 }
485
486 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
487
488 return 0;
489 }
490
491 static int ath10k_download_cal_dt(struct ath10k *ar)
492 {
493 struct device_node *node;
494 int data_len;
495 void *data;
496 int ret;
497
498 node = ar->dev->of_node;
499 if (!node)
500 /* Device Tree is optional, don't print any warnings if
501 * there's no node for ath10k.
502 */
503 return -ENOENT;
504
505 if (!of_get_property(node, "qcom,ath10k-calibration-data",
506 &data_len)) {
507 /* The calibration data node is optional */
508 return -ENOENT;
509 }
510
511 if (data_len != QCA988X_CAL_DATA_LEN) {
512 ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
513 data_len);
514 ret = -EMSGSIZE;
515 goto out;
516 }
517
518 data = kmalloc(data_len, GFP_KERNEL);
519 if (!data) {
520 ret = -ENOMEM;
521 goto out;
522 }
523
524 ret = of_property_read_u8_array(node, "qcom,ath10k-calibration-data",
525 data, data_len);
526 if (ret) {
527 ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
528 ret);
529 goto out_free;
530 }
531
532 ret = ath10k_download_board_data(ar, data, data_len);
533 if (ret) {
534 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
535 ret);
536 goto out_free;
537 }
538
539 ret = 0;
540
541 out_free:
542 kfree(data);
543
544 out:
545 return ret;
546 }
547
548 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
549 {
550 u32 result, address;
551 u8 board_id, chip_id;
552 int ret;
553
554 address = ar->hw_params.patch_load_addr;
555
556 if (!ar->otp_data || !ar->otp_len) {
557 ath10k_warn(ar,
558 "failed to retrieve board id because of invalid otp\n");
559 return -ENODATA;
560 }
561
562 ath10k_dbg(ar, ATH10K_DBG_BOOT,
563 "boot upload otp to 0x%x len %zd for board id\n",
564 address, ar->otp_len);
565
566 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
567 if (ret) {
568 ath10k_err(ar, "could not write otp for board id check: %d\n",
569 ret);
570 return ret;
571 }
572
573 ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID,
574 &result);
575 if (ret) {
576 ath10k_err(ar, "could not execute otp for board id check: %d\n",
577 ret);
578 return ret;
579 }
580
581 board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
582 chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
583
584 ath10k_dbg(ar, ATH10K_DBG_BOOT,
585 "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
586 result, board_id, chip_id);
587
588 if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0)
589 return -EOPNOTSUPP;
590
591 ar->id.bmi_ids_valid = true;
592 ar->id.bmi_board_id = board_id;
593 ar->id.bmi_chip_id = chip_id;
594
595 return 0;
596 }
597
598 static int ath10k_download_and_run_otp(struct ath10k *ar)
599 {
600 u32 result, address = ar->hw_params.patch_load_addr;
601 u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
602 int ret;
603
604 ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len);
605 if (ret) {
606 ath10k_err(ar, "failed to download board data: %d\n", ret);
607 return ret;
608 }
609
610 /* OTP is optional */
611
612 if (!ar->otp_data || !ar->otp_len) {
613 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
614 ar->otp_data, ar->otp_len);
615 return 0;
616 }
617
618 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
619 address, ar->otp_len);
620
621 ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
622 if (ret) {
623 ath10k_err(ar, "could not write otp (%d)\n", ret);
624 return ret;
625 }
626
627 ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
628 if (ret) {
629 ath10k_err(ar, "could not execute otp (%d)\n", ret);
630 return ret;
631 }
632
633 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
634
635 if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
636 ar->fw_features)) &&
637 result != 0) {
638 ath10k_err(ar, "otp calibration failed: %d", result);
639 return -EINVAL;
640 }
641
642 return 0;
643 }
644
645 static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
646 {
647 u32 address, data_len;
648 const char *mode_name;
649 const void *data;
650 int ret;
651
652 address = ar->hw_params.patch_load_addr;
653
654 switch (mode) {
655 case ATH10K_FIRMWARE_MODE_NORMAL:
656 data = ar->firmware_data;
657 data_len = ar->firmware_len;
658 mode_name = "normal";
659 ret = ath10k_swap_code_seg_configure(ar,
660 ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
661 if (ret) {
662 ath10k_err(ar, "failed to configure fw code swap: %d\n",
663 ret);
664 return ret;
665 }
666 break;
667 case ATH10K_FIRMWARE_MODE_UTF:
668 data = ar->testmode.utf_firmware_data;
669 data_len = ar->testmode.utf_firmware_len;
670 mode_name = "utf";
671 break;
672 default:
673 ath10k_err(ar, "unknown firmware mode: %d\n", mode);
674 return -EINVAL;
675 }
676
677 ath10k_dbg(ar, ATH10K_DBG_BOOT,
678 "boot uploading firmware image %p len %d mode %s\n",
679 data, data_len, mode_name);
680
681 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
682 if (ret) {
683 ath10k_err(ar, "failed to download %s firmware: %d\n",
684 mode_name, ret);
685 return ret;
686 }
687
688 return ret;
689 }
690
691 static void ath10k_core_free_board_files(struct ath10k *ar)
692 {
693 if (!IS_ERR(ar->board))
694 release_firmware(ar->board);
695
696 ar->board = NULL;
697 ar->board_data = NULL;
698 ar->board_len = 0;
699 }
700
701 static void ath10k_core_free_firmware_files(struct ath10k *ar)
702 {
703 if (!IS_ERR(ar->otp))
704 release_firmware(ar->otp);
705
706 if (!IS_ERR(ar->firmware))
707 release_firmware(ar->firmware);
708
709 if (!IS_ERR(ar->cal_file))
710 release_firmware(ar->cal_file);
711
712 ath10k_swap_code_seg_release(ar);
713
714 ar->otp = NULL;
715 ar->otp_data = NULL;
716 ar->otp_len = 0;
717
718 ar->firmware = NULL;
719 ar->firmware_data = NULL;
720 ar->firmware_len = 0;
721
722 ar->cal_file = NULL;
723 }
724
725 static int ath10k_fetch_cal_file(struct ath10k *ar)
726 {
727 char filename[100];
728
729 /* cal-<bus>-<id>.bin */
730 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
731 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
732
733 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
734 if (IS_ERR(ar->cal_file))
735 /* calibration file is optional, don't print any warnings */
736 return PTR_ERR(ar->cal_file);
737
738 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
739 ATH10K_FW_DIR, filename);
740
741 return 0;
742 }
743
744 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
745 {
746 if (!ar->hw_params.fw.board) {
747 ath10k_err(ar, "failed to find board file fw entry\n");
748 return -EINVAL;
749 }
750
751 ar->board = ath10k_fetch_fw_file(ar,
752 ar->hw_params.fw.dir,
753 ar->hw_params.fw.board);
754 if (IS_ERR(ar->board))
755 return PTR_ERR(ar->board);
756
757 ar->board_data = ar->board->data;
758 ar->board_len = ar->board->size;
759
760 return 0;
761 }
762
763 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
764 const void *buf, size_t buf_len,
765 const char *boardname)
766 {
767 const struct ath10k_fw_ie *hdr;
768 bool name_match_found;
769 int ret, board_ie_id;
770 size_t board_ie_len;
771 const void *board_ie_data;
772
773 name_match_found = false;
774
775 /* go through ATH10K_BD_IE_BOARD_ elements */
776 while (buf_len > sizeof(struct ath10k_fw_ie)) {
777 hdr = buf;
778 board_ie_id = le32_to_cpu(hdr->id);
779 board_ie_len = le32_to_cpu(hdr->len);
780 board_ie_data = hdr->data;
781
782 buf_len -= sizeof(*hdr);
783 buf += sizeof(*hdr);
784
785 if (buf_len < ALIGN(board_ie_len, 4)) {
786 ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
787 buf_len, ALIGN(board_ie_len, 4));
788 ret = -EINVAL;
789 goto out;
790 }
791
792 switch (board_ie_id) {
793 case ATH10K_BD_IE_BOARD_NAME:
794 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
795 board_ie_data, board_ie_len);
796
797 if (board_ie_len != strlen(boardname))
798 break;
799
800 ret = memcmp(board_ie_data, boardname, strlen(boardname));
801 if (ret)
802 break;
803
804 name_match_found = true;
805 ath10k_dbg(ar, ATH10K_DBG_BOOT,
806 "boot found match for name '%s'",
807 boardname);
808 break;
809 case ATH10K_BD_IE_BOARD_DATA:
810 if (!name_match_found)
811 /* no match found */
812 break;
813
814 ath10k_dbg(ar, ATH10K_DBG_BOOT,
815 "boot found board data for '%s'",
816 boardname);
817
818 ar->board_data = board_ie_data;
819 ar->board_len = board_ie_len;
820
821 ret = 0;
822 goto out;
823 default:
824 ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
825 board_ie_id);
826 break;
827 }
828
829 /* jump over the padding */
830 board_ie_len = ALIGN(board_ie_len, 4);
831
832 buf_len -= board_ie_len;
833 buf += board_ie_len;
834 }
835
836 /* no match found */
837 ret = -ENOENT;
838
839 out:
840 return ret;
841 }
842
843 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
844 const char *boardname,
845 const char *filename)
846 {
847 size_t len, magic_len, ie_len;
848 struct ath10k_fw_ie *hdr;
849 const u8 *data;
850 int ret, ie_id;
851
852 ar->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
853 if (IS_ERR(ar->board))
854 return PTR_ERR(ar->board);
855
856 data = ar->board->data;
857 len = ar->board->size;
858
859 /* magic has extra null byte padded */
860 magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
861 if (len < magic_len) {
862 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
863 ar->hw_params.fw.dir, filename, len);
864 ret = -EINVAL;
865 goto err;
866 }
867
868 if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
869 ath10k_err(ar, "found invalid board magic\n");
870 ret = -EINVAL;
871 goto err;
872 }
873
874 /* magic is padded to 4 bytes */
875 magic_len = ALIGN(magic_len, 4);
876 if (len < magic_len) {
877 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
878 ar->hw_params.fw.dir, filename, len);
879 ret = -EINVAL;
880 goto err;
881 }
882
883 data += magic_len;
884 len -= magic_len;
885
886 while (len > sizeof(struct ath10k_fw_ie)) {
887 hdr = (struct ath10k_fw_ie *)data;
888 ie_id = le32_to_cpu(hdr->id);
889 ie_len = le32_to_cpu(hdr->len);
890
891 len -= sizeof(*hdr);
892 data = hdr->data;
893
894 if (len < ALIGN(ie_len, 4)) {
895 ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
896 ie_id, ie_len, len);
897 ret = -EINVAL;
898 goto err;
899 }
900
901 switch (ie_id) {
902 case ATH10K_BD_IE_BOARD:
903 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
904 boardname);
905 if (ret == -ENOENT)
906 /* no match found, continue */
907 break;
908 else if (ret)
909 /* there was an error, bail out */
910 goto err;
911
912 /* board data found */
913 goto out;
914 }
915
916 /* jump over the padding */
917 ie_len = ALIGN(ie_len, 4);
918
919 len -= ie_len;
920 data += ie_len;
921 }
922
923 out:
924 if (!ar->board_data || !ar->board_len) {
925 ath10k_err(ar,
926 "failed to fetch board data for %s from %s/%s\n",
927 boardname, ar->hw_params.fw.dir, filename);
928 ret = -ENODATA;
929 goto err;
930 }
931
932 return 0;
933
934 err:
935 ath10k_core_free_board_files(ar);
936 return ret;
937 }
938
939 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
940 size_t name_len)
941 {
942 if (ar->id.bmi_ids_valid) {
943 scnprintf(name, name_len,
944 "bus=%s,bmi-chip-id=%d,bmi-board-id=%d",
945 ath10k_bus_str(ar->hif.bus),
946 ar->id.bmi_chip_id,
947 ar->id.bmi_board_id);
948 goto out;
949 }
950
951 scnprintf(name, name_len,
952 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x",
953 ath10k_bus_str(ar->hif.bus),
954 ar->id.vendor, ar->id.device,
955 ar->id.subsystem_vendor, ar->id.subsystem_device);
956
957 out:
958 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
959
960 return 0;
961 }
962
963 static int ath10k_core_fetch_board_file(struct ath10k *ar)
964 {
965 char boardname[100];
966 int ret;
967
968 ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
969 if (ret) {
970 ath10k_err(ar, "failed to create board name: %d", ret);
971 return ret;
972 }
973
974 ar->bd_api = 2;
975 ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
976 ATH10K_BOARD_API2_FILE);
977 if (!ret)
978 goto success;
979
980 ar->bd_api = 1;
981 ret = ath10k_core_fetch_board_data_api_1(ar);
982 if (ret) {
983 ath10k_err(ar, "failed to fetch board data\n");
984 return ret;
985 }
986
987 success:
988 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
989 return 0;
990 }
991
992 static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
993 {
994 int ret = 0;
995
996 if (ar->hw_params.fw.fw == NULL) {
997 ath10k_err(ar, "firmware file not defined\n");
998 return -EINVAL;
999 }
1000
1001 ar->firmware = ath10k_fetch_fw_file(ar,
1002 ar->hw_params.fw.dir,
1003 ar->hw_params.fw.fw);
1004 if (IS_ERR(ar->firmware)) {
1005 ret = PTR_ERR(ar->firmware);
1006 ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
1007 goto err;
1008 }
1009
1010 ar->firmware_data = ar->firmware->data;
1011 ar->firmware_len = ar->firmware->size;
1012
1013 /* OTP may be undefined. If so, don't fetch it at all */
1014 if (ar->hw_params.fw.otp == NULL)
1015 return 0;
1016
1017 ar->otp = ath10k_fetch_fw_file(ar,
1018 ar->hw_params.fw.dir,
1019 ar->hw_params.fw.otp);
1020 if (IS_ERR(ar->otp)) {
1021 ret = PTR_ERR(ar->otp);
1022 ath10k_err(ar, "could not fetch otp (%d)\n", ret);
1023 goto err;
1024 }
1025
1026 ar->otp_data = ar->otp->data;
1027 ar->otp_len = ar->otp->size;
1028
1029 return 0;
1030
1031 err:
1032 ath10k_core_free_firmware_files(ar);
1033 return ret;
1034 }
1035
1036 static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
1037 {
1038 size_t magic_len, len, ie_len;
1039 int ie_id, i, index, bit, ret;
1040 struct ath10k_fw_ie *hdr;
1041 const u8 *data;
1042 __le32 *timestamp, *version;
1043
1044 /* first fetch the firmware file (firmware-*.bin) */
1045 ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
1046 if (IS_ERR(ar->firmware)) {
1047 ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
1048 ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
1049 return PTR_ERR(ar->firmware);
1050 }
1051
1052 data = ar->firmware->data;
1053 len = ar->firmware->size;
1054
1055 /* magic also includes the null byte, check that as well */
1056 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
1057
1058 if (len < magic_len) {
1059 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1060 ar->hw_params.fw.dir, name, len);
1061 ret = -EINVAL;
1062 goto err;
1063 }
1064
1065 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1066 ath10k_err(ar, "invalid firmware magic\n");
1067 ret = -EINVAL;
1068 goto err;
1069 }
1070
1071 /* jump over the padding */
1072 magic_len = ALIGN(magic_len, 4);
1073
1074 len -= magic_len;
1075 data += magic_len;
1076
1077 /* loop elements */
1078 while (len > sizeof(struct ath10k_fw_ie)) {
1079 hdr = (struct ath10k_fw_ie *)data;
1080
1081 ie_id = le32_to_cpu(hdr->id);
1082 ie_len = le32_to_cpu(hdr->len);
1083
1084 len -= sizeof(*hdr);
1085 data += sizeof(*hdr);
1086
1087 if (len < ie_len) {
1088 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1089 ie_id, len, ie_len);
1090 ret = -EINVAL;
1091 goto err;
1092 }
1093
1094 switch (ie_id) {
1095 case ATH10K_FW_IE_FW_VERSION:
1096 if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
1097 break;
1098
1099 memcpy(ar->hw->wiphy->fw_version, data, ie_len);
1100 ar->hw->wiphy->fw_version[ie_len] = '\0';
1101
1102 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1103 "found fw version %s\n",
1104 ar->hw->wiphy->fw_version);
1105 break;
1106 case ATH10K_FW_IE_TIMESTAMP:
1107 if (ie_len != sizeof(u32))
1108 break;
1109
1110 timestamp = (__le32 *)data;
1111
1112 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1113 le32_to_cpup(timestamp));
1114 break;
1115 case ATH10K_FW_IE_FEATURES:
1116 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1117 "found firmware features ie (%zd B)\n",
1118 ie_len);
1119
1120 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1121 index = i / 8;
1122 bit = i % 8;
1123
1124 if (index == ie_len)
1125 break;
1126
1127 if (data[index] & (1 << bit)) {
1128 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1129 "Enabling feature bit: %i\n",
1130 i);
1131 __set_bit(i, ar->fw_features);
1132 }
1133 }
1134
1135 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1136 ar->fw_features,
1137 sizeof(ar->fw_features));
1138 break;
1139 case ATH10K_FW_IE_FW_IMAGE:
1140 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1141 "found fw image ie (%zd B)\n",
1142 ie_len);
1143
1144 ar->firmware_data = data;
1145 ar->firmware_len = ie_len;
1146
1147 break;
1148 case ATH10K_FW_IE_OTP_IMAGE:
1149 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1150 "found otp image ie (%zd B)\n",
1151 ie_len);
1152
1153 ar->otp_data = data;
1154 ar->otp_len = ie_len;
1155
1156 break;
1157 case ATH10K_FW_IE_WMI_OP_VERSION:
1158 if (ie_len != sizeof(u32))
1159 break;
1160
1161 version = (__le32 *)data;
1162
1163 ar->wmi.op_version = le32_to_cpup(version);
1164
1165 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1166 ar->wmi.op_version);
1167 break;
1168 case ATH10K_FW_IE_HTT_OP_VERSION:
1169 if (ie_len != sizeof(u32))
1170 break;
1171
1172 version = (__le32 *)data;
1173
1174 ar->htt.op_version = le32_to_cpup(version);
1175
1176 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1177 ar->htt.op_version);
1178 break;
1179 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1180 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1181 "found fw code swap image ie (%zd B)\n",
1182 ie_len);
1183 ar->swap.firmware_codeswap_data = data;
1184 ar->swap.firmware_codeswap_len = ie_len;
1185 break;
1186 default:
1187 ath10k_warn(ar, "Unknown FW IE: %u\n",
1188 le32_to_cpu(hdr->id));
1189 break;
1190 }
1191
1192 /* jump over the padding */
1193 ie_len = ALIGN(ie_len, 4);
1194
1195 len -= ie_len;
1196 data += ie_len;
1197 }
1198
1199 if (!ar->firmware_data || !ar->firmware_len) {
1200 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1201 ar->hw_params.fw.dir, name);
1202 ret = -ENOMEDIUM;
1203 goto err;
1204 }
1205
1206 return 0;
1207
1208 err:
1209 ath10k_core_free_firmware_files(ar);
1210 return ret;
1211 }
1212
1213 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
1214 {
1215 int ret;
1216
1217 /* calibration file is optional, don't check for any errors */
1218 ath10k_fetch_cal_file(ar);
1219
1220 ar->fw_api = 5;
1221 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1222
1223 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API5_FILE);
1224 if (ret == 0)
1225 goto success;
1226
1227 ar->fw_api = 4;
1228 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1229
1230 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API4_FILE);
1231 if (ret == 0)
1232 goto success;
1233
1234 ar->fw_api = 3;
1235 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1236
1237 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE);
1238 if (ret == 0)
1239 goto success;
1240
1241 ar->fw_api = 2;
1242 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1243
1244 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
1245 if (ret == 0)
1246 goto success;
1247
1248 ar->fw_api = 1;
1249 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1250
1251 ret = ath10k_core_fetch_firmware_api_1(ar);
1252 if (ret)
1253 return ret;
1254
1255 success:
1256 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1257
1258 return 0;
1259 }
1260
1261 static int ath10k_download_cal_data(struct ath10k *ar)
1262 {
1263 int ret;
1264
1265 ret = ath10k_download_cal_file(ar);
1266 if (ret == 0) {
1267 ar->cal_mode = ATH10K_CAL_MODE_FILE;
1268 goto done;
1269 }
1270
1271 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1272 "boot did not find a calibration file, try DT next: %d\n",
1273 ret);
1274
1275 ret = ath10k_download_cal_dt(ar);
1276 if (ret == 0) {
1277 ar->cal_mode = ATH10K_CAL_MODE_DT;
1278 goto done;
1279 }
1280
1281 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1282 "boot did not find DT entry, try OTP next: %d\n",
1283 ret);
1284
1285 ret = ath10k_download_and_run_otp(ar);
1286 if (ret) {
1287 ath10k_err(ar, "failed to run otp: %d\n", ret);
1288 return ret;
1289 }
1290
1291 ar->cal_mode = ATH10K_CAL_MODE_OTP;
1292
1293 done:
1294 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1295 ath10k_cal_mode_str(ar->cal_mode));
1296 return 0;
1297 }
1298
1299 static int ath10k_init_uart(struct ath10k *ar)
1300 {
1301 int ret;
1302
1303 /*
1304 * Explicitly setting UART prints to zero as target turns it on
1305 * based on scratch registers.
1306 */
1307 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
1308 if (ret) {
1309 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
1310 return ret;
1311 }
1312
1313 if (!uart_print)
1314 return 0;
1315
1316 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
1317 if (ret) {
1318 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1319 return ret;
1320 }
1321
1322 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
1323 if (ret) {
1324 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1325 return ret;
1326 }
1327
1328 /* Set the UART baud rate to 19200. */
1329 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
1330 if (ret) {
1331 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
1332 return ret;
1333 }
1334
1335 ath10k_info(ar, "UART prints enabled\n");
1336 return 0;
1337 }
1338
1339 static int ath10k_init_hw_params(struct ath10k *ar)
1340 {
1341 const struct ath10k_hw_params *uninitialized_var(hw_params);
1342 int i;
1343
1344 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
1345 hw_params = &ath10k_hw_params_list[i];
1346
1347 if (hw_params->id == ar->target_version &&
1348 hw_params->dev_id == ar->dev_id)
1349 break;
1350 }
1351
1352 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
1353 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
1354 ar->target_version);
1355 return -EINVAL;
1356 }
1357
1358 ar->hw_params = *hw_params;
1359
1360 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
1361 ar->hw_params.name, ar->target_version);
1362
1363 return 0;
1364 }
1365
1366 static void ath10k_core_restart(struct work_struct *work)
1367 {
1368 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
1369
1370 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1371
1372 /* Place a barrier to make sure the compiler doesn't reorder
1373 * CRASH_FLUSH and calling other functions.
1374 */
1375 barrier();
1376
1377 ieee80211_stop_queues(ar->hw);
1378 ath10k_drain_tx(ar);
1379 complete_all(&ar->scan.started);
1380 complete_all(&ar->scan.completed);
1381 complete_all(&ar->scan.on_channel);
1382 complete_all(&ar->offchan_tx_completed);
1383 complete_all(&ar->install_key_done);
1384 complete_all(&ar->vdev_setup_done);
1385 complete_all(&ar->thermal.wmi_sync);
1386 wake_up(&ar->htt.empty_tx_wq);
1387 wake_up(&ar->wmi.tx_credits_wq);
1388 wake_up(&ar->peer_mapping_wq);
1389
1390 mutex_lock(&ar->conf_mutex);
1391
1392 switch (ar->state) {
1393 case ATH10K_STATE_ON:
1394 ar->state = ATH10K_STATE_RESTARTING;
1395 ath10k_hif_stop(ar);
1396 ath10k_scan_finish(ar);
1397 ieee80211_restart_hw(ar->hw);
1398 break;
1399 case ATH10K_STATE_OFF:
1400 /* this can happen if driver is being unloaded
1401 * or if the crash happens during FW probing */
1402 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
1403 break;
1404 case ATH10K_STATE_RESTARTING:
1405 /* hw restart might be requested from multiple places */
1406 break;
1407 case ATH10K_STATE_RESTARTED:
1408 ar->state = ATH10K_STATE_WEDGED;
1409 /* fall through */
1410 case ATH10K_STATE_WEDGED:
1411 ath10k_warn(ar, "device is wedged, will not restart\n");
1412 break;
1413 case ATH10K_STATE_UTF:
1414 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
1415 break;
1416 }
1417
1418 mutex_unlock(&ar->conf_mutex);
1419 }
1420
1421 static int ath10k_core_init_firmware_features(struct ath10k *ar)
1422 {
1423 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) &&
1424 !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
1425 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
1426 return -EINVAL;
1427 }
1428
1429 if (ar->wmi.op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
1430 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
1431 ATH10K_FW_WMI_OP_VERSION_MAX, ar->wmi.op_version);
1432 return -EINVAL;
1433 }
1434
1435 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
1436 switch (ath10k_cryptmode_param) {
1437 case ATH10K_CRYPT_MODE_HW:
1438 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1439 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
1440 break;
1441 case ATH10K_CRYPT_MODE_SW:
1442 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
1443 ar->fw_features)) {
1444 ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
1445 return -EINVAL;
1446 }
1447
1448 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1449 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
1450 break;
1451 default:
1452 ath10k_info(ar, "invalid cryptmode: %d\n",
1453 ath10k_cryptmode_param);
1454 return -EINVAL;
1455 }
1456
1457 ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
1458 ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
1459
1460 if (rawmode) {
1461 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
1462 ar->fw_features)) {
1463 ath10k_err(ar, "rawmode = 1 requires support from firmware");
1464 return -EINVAL;
1465 }
1466 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1467 }
1468
1469 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
1470 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
1471
1472 /* Workaround:
1473 *
1474 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
1475 * and causes enormous performance issues (malformed frames,
1476 * etc).
1477 *
1478 * Disabling A-MSDU makes RAW mode stable with heavy traffic
1479 * albeit a bit slower compared to regular operation.
1480 */
1481 ar->htt.max_num_amsdu = 1;
1482 }
1483
1484 /* Backwards compatibility for firmwares without
1485 * ATH10K_FW_IE_WMI_OP_VERSION.
1486 */
1487 if (ar->wmi.op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
1488 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
1489 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
1490 ar->fw_features))
1491 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
1492 else
1493 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
1494 } else {
1495 ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
1496 }
1497 }
1498
1499 switch (ar->wmi.op_version) {
1500 case ATH10K_FW_WMI_OP_VERSION_MAIN:
1501 ar->max_num_peers = TARGET_NUM_PEERS;
1502 ar->max_num_stations = TARGET_NUM_STATIONS;
1503 ar->max_num_vdevs = TARGET_NUM_VDEVS;
1504 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
1505 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
1506 WMI_STAT_PEER;
1507 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1508 break;
1509 case ATH10K_FW_WMI_OP_VERSION_10_1:
1510 case ATH10K_FW_WMI_OP_VERSION_10_2:
1511 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1512 if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) {
1513 ar->max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
1514 ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
1515 } else {
1516 ar->max_num_peers = TARGET_10X_NUM_PEERS;
1517 ar->max_num_stations = TARGET_10X_NUM_STATIONS;
1518 }
1519 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
1520 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
1521 ar->fw_stats_req_mask = WMI_STAT_PEER;
1522 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1523 break;
1524 case ATH10K_FW_WMI_OP_VERSION_TLV:
1525 ar->max_num_peers = TARGET_TLV_NUM_PEERS;
1526 ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
1527 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
1528 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
1529 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
1530 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
1531 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
1532 WMI_STAT_PEER;
1533 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1534 break;
1535 case ATH10K_FW_WMI_OP_VERSION_10_4:
1536 ar->max_num_peers = TARGET_10_4_NUM_PEERS;
1537 ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
1538 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
1539 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
1540 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
1541 ar->htt.max_num_pending_tx = ar->hw_params.num_msdu_desc;
1542 ar->fw_stats_req_mask = WMI_STAT_PEER;
1543 ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
1544 break;
1545 case ATH10K_FW_WMI_OP_VERSION_UNSET:
1546 case ATH10K_FW_WMI_OP_VERSION_MAX:
1547 WARN_ON(1);
1548 return -EINVAL;
1549 }
1550
1551 /* Backwards compatibility for firmwares without
1552 * ATH10K_FW_IE_HTT_OP_VERSION.
1553 */
1554 if (ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
1555 switch (ar->wmi.op_version) {
1556 case ATH10K_FW_WMI_OP_VERSION_MAIN:
1557 ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
1558 break;
1559 case ATH10K_FW_WMI_OP_VERSION_10_1:
1560 case ATH10K_FW_WMI_OP_VERSION_10_2:
1561 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1562 ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
1563 break;
1564 case ATH10K_FW_WMI_OP_VERSION_TLV:
1565 ar->htt.op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
1566 break;
1567 case ATH10K_FW_WMI_OP_VERSION_10_4:
1568 case ATH10K_FW_WMI_OP_VERSION_UNSET:
1569 case ATH10K_FW_WMI_OP_VERSION_MAX:
1570 WARN_ON(1);
1571 return -EINVAL;
1572 }
1573 }
1574
1575 return 0;
1576 }
1577
1578 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
1579 {
1580 int status;
1581
1582 lockdep_assert_held(&ar->conf_mutex);
1583
1584 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1585
1586 ath10k_bmi_start(ar);
1587
1588 if (ath10k_init_configure_target(ar)) {
1589 status = -EINVAL;
1590 goto err;
1591 }
1592
1593 status = ath10k_download_cal_data(ar);
1594 if (status)
1595 goto err;
1596
1597 /* Some of of qca988x solutions are having global reset issue
1598 * during target initialization. Bypassing PLL setting before
1599 * downloading firmware and letting the SoC run on REF_CLK is
1600 * fixing the problem. Corresponding firmware change is also needed
1601 * to set the clock source once the target is initialized.
1602 */
1603 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
1604 ar->fw_features)) {
1605 status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
1606 if (status) {
1607 ath10k_err(ar, "could not write to skip_clock_init: %d\n",
1608 status);
1609 goto err;
1610 }
1611 }
1612
1613 status = ath10k_download_fw(ar, mode);
1614 if (status)
1615 goto err;
1616
1617 status = ath10k_init_uart(ar);
1618 if (status)
1619 goto err;
1620
1621 ar->htc.htc_ops.target_send_suspend_complete =
1622 ath10k_send_suspend_complete;
1623
1624 status = ath10k_htc_init(ar);
1625 if (status) {
1626 ath10k_err(ar, "could not init HTC (%d)\n", status);
1627 goto err;
1628 }
1629
1630 status = ath10k_bmi_done(ar);
1631 if (status)
1632 goto err;
1633
1634 status = ath10k_wmi_attach(ar);
1635 if (status) {
1636 ath10k_err(ar, "WMI attach failed: %d\n", status);
1637 goto err;
1638 }
1639
1640 status = ath10k_htt_init(ar);
1641 if (status) {
1642 ath10k_err(ar, "failed to init htt: %d\n", status);
1643 goto err_wmi_detach;
1644 }
1645
1646 status = ath10k_htt_tx_alloc(&ar->htt);
1647 if (status) {
1648 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
1649 goto err_wmi_detach;
1650 }
1651
1652 status = ath10k_htt_rx_alloc(&ar->htt);
1653 if (status) {
1654 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
1655 goto err_htt_tx_detach;
1656 }
1657
1658 status = ath10k_hif_start(ar);
1659 if (status) {
1660 ath10k_err(ar, "could not start HIF: %d\n", status);
1661 goto err_htt_rx_detach;
1662 }
1663
1664 status = ath10k_htc_wait_target(&ar->htc);
1665 if (status) {
1666 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
1667 goto err_hif_stop;
1668 }
1669
1670 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1671 status = ath10k_htt_connect(&ar->htt);
1672 if (status) {
1673 ath10k_err(ar, "failed to connect htt (%d)\n", status);
1674 goto err_hif_stop;
1675 }
1676 }
1677
1678 status = ath10k_wmi_connect(ar);
1679 if (status) {
1680 ath10k_err(ar, "could not connect wmi: %d\n", status);
1681 goto err_hif_stop;
1682 }
1683
1684 status = ath10k_htc_start(&ar->htc);
1685 if (status) {
1686 ath10k_err(ar, "failed to start htc: %d\n", status);
1687 goto err_hif_stop;
1688 }
1689
1690 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1691 status = ath10k_wmi_wait_for_service_ready(ar);
1692 if (status) {
1693 ath10k_warn(ar, "wmi service ready event not received");
1694 goto err_hif_stop;
1695 }
1696 }
1697
1698 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
1699 ar->hw->wiphy->fw_version);
1700
1701 status = ath10k_wmi_cmd_init(ar);
1702 if (status) {
1703 ath10k_err(ar, "could not send WMI init command (%d)\n",
1704 status);
1705 goto err_hif_stop;
1706 }
1707
1708 status = ath10k_wmi_wait_for_unified_ready(ar);
1709 if (status) {
1710 ath10k_err(ar, "wmi unified ready event not received\n");
1711 goto err_hif_stop;
1712 }
1713
1714 /* If firmware indicates Full Rx Reorder support it must be used in a
1715 * slightly different manner. Let HTT code know.
1716 */
1717 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
1718 ar->wmi.svc_map));
1719
1720 status = ath10k_htt_rx_ring_refill(ar);
1721 if (status) {
1722 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
1723 goto err_hif_stop;
1724 }
1725
1726 /* we don't care about HTT in UTF mode */
1727 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1728 status = ath10k_htt_setup(&ar->htt);
1729 if (status) {
1730 ath10k_err(ar, "failed to setup htt: %d\n", status);
1731 goto err_hif_stop;
1732 }
1733 }
1734
1735 status = ath10k_debug_start(ar);
1736 if (status)
1737 goto err_hif_stop;
1738
1739 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
1740
1741 INIT_LIST_HEAD(&ar->arvifs);
1742
1743 return 0;
1744
1745 err_hif_stop:
1746 ath10k_hif_stop(ar);
1747 err_htt_rx_detach:
1748 ath10k_htt_rx_free(&ar->htt);
1749 err_htt_tx_detach:
1750 ath10k_htt_tx_free(&ar->htt);
1751 err_wmi_detach:
1752 ath10k_wmi_detach(ar);
1753 err:
1754 return status;
1755 }
1756 EXPORT_SYMBOL(ath10k_core_start);
1757
1758 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
1759 {
1760 int ret;
1761 unsigned long time_left;
1762
1763 reinit_completion(&ar->target_suspend);
1764
1765 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
1766 if (ret) {
1767 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
1768 return ret;
1769 }
1770
1771 time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
1772
1773 if (!time_left) {
1774 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
1775 return -ETIMEDOUT;
1776 }
1777
1778 return 0;
1779 }
1780
1781 void ath10k_core_stop(struct ath10k *ar)
1782 {
1783 lockdep_assert_held(&ar->conf_mutex);
1784 ath10k_debug_stop(ar);
1785
1786 /* try to suspend target */
1787 if (ar->state != ATH10K_STATE_RESTARTING &&
1788 ar->state != ATH10K_STATE_UTF)
1789 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
1790
1791 ath10k_hif_stop(ar);
1792 ath10k_htt_tx_free(&ar->htt);
1793 ath10k_htt_rx_free(&ar->htt);
1794 ath10k_wmi_detach(ar);
1795 }
1796 EXPORT_SYMBOL(ath10k_core_stop);
1797
1798 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
1799 * order to know what hw capabilities should be advertised to mac80211 it is
1800 * necessary to load the firmware (and tear it down immediately since start
1801 * hook will try to init it again) before registering */
1802 static int ath10k_core_probe_fw(struct ath10k *ar)
1803 {
1804 struct bmi_target_info target_info;
1805 int ret = 0;
1806
1807 ret = ath10k_hif_power_up(ar);
1808 if (ret) {
1809 ath10k_err(ar, "could not start pci hif (%d)\n", ret);
1810 return ret;
1811 }
1812
1813 memset(&target_info, 0, sizeof(target_info));
1814 ret = ath10k_bmi_get_target_info(ar, &target_info);
1815 if (ret) {
1816 ath10k_err(ar, "could not get target info (%d)\n", ret);
1817 goto err_power_down;
1818 }
1819
1820 ar->target_version = target_info.version;
1821 ar->hw->wiphy->hw_version = target_info.version;
1822
1823 ret = ath10k_init_hw_params(ar);
1824 if (ret) {
1825 ath10k_err(ar, "could not get hw params (%d)\n", ret);
1826 goto err_power_down;
1827 }
1828
1829 ret = ath10k_core_fetch_firmware_files(ar);
1830 if (ret) {
1831 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
1832 goto err_power_down;
1833 }
1834
1835 ath10k_debug_print_hwfw_info(ar);
1836
1837 ret = ath10k_core_get_board_id_from_otp(ar);
1838 if (ret && ret != -EOPNOTSUPP) {
1839 ath10k_err(ar, "failed to get board id from otp: %d\n",
1840 ret);
1841 return ret;
1842 }
1843
1844 ret = ath10k_core_fetch_board_file(ar);
1845 if (ret) {
1846 ath10k_err(ar, "failed to fetch board file: %d\n", ret);
1847 goto err_free_firmware_files;
1848 }
1849
1850 ath10k_debug_print_board_info(ar);
1851
1852 ret = ath10k_core_init_firmware_features(ar);
1853 if (ret) {
1854 ath10k_err(ar, "fatal problem with firmware features: %d\n",
1855 ret);
1856 goto err_free_firmware_files;
1857 }
1858
1859 ret = ath10k_swap_code_seg_init(ar);
1860 if (ret) {
1861 ath10k_err(ar, "failed to initialize code swap segment: %d\n",
1862 ret);
1863 goto err_free_firmware_files;
1864 }
1865
1866 mutex_lock(&ar->conf_mutex);
1867
1868 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
1869 if (ret) {
1870 ath10k_err(ar, "could not init core (%d)\n", ret);
1871 goto err_unlock;
1872 }
1873
1874 ath10k_debug_print_boot_info(ar);
1875 ath10k_core_stop(ar);
1876
1877 mutex_unlock(&ar->conf_mutex);
1878
1879 ath10k_hif_power_down(ar);
1880 return 0;
1881
1882 err_unlock:
1883 mutex_unlock(&ar->conf_mutex);
1884
1885 err_free_firmware_files:
1886 ath10k_core_free_firmware_files(ar);
1887
1888 err_power_down:
1889 ath10k_hif_power_down(ar);
1890
1891 return ret;
1892 }
1893
1894 static void ath10k_core_register_work(struct work_struct *work)
1895 {
1896 struct ath10k *ar = container_of(work, struct ath10k, register_work);
1897 int status;
1898
1899 status = ath10k_core_probe_fw(ar);
1900 if (status) {
1901 ath10k_err(ar, "could not probe fw (%d)\n", status);
1902 goto err;
1903 }
1904
1905 status = ath10k_mac_register(ar);
1906 if (status) {
1907 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
1908 goto err_release_fw;
1909 }
1910
1911 status = ath10k_debug_register(ar);
1912 if (status) {
1913 ath10k_err(ar, "unable to initialize debugfs\n");
1914 goto err_unregister_mac;
1915 }
1916
1917 status = ath10k_spectral_create(ar);
1918 if (status) {
1919 ath10k_err(ar, "failed to initialize spectral\n");
1920 goto err_debug_destroy;
1921 }
1922
1923 status = ath10k_thermal_register(ar);
1924 if (status) {
1925 ath10k_err(ar, "could not register thermal device: %d\n",
1926 status);
1927 goto err_spectral_destroy;
1928 }
1929
1930 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
1931 return;
1932
1933 err_spectral_destroy:
1934 ath10k_spectral_destroy(ar);
1935 err_debug_destroy:
1936 ath10k_debug_destroy(ar);
1937 err_unregister_mac:
1938 ath10k_mac_unregister(ar);
1939 err_release_fw:
1940 ath10k_core_free_firmware_files(ar);
1941 err:
1942 /* TODO: It's probably a good idea to release device from the driver
1943 * but calling device_release_driver() here will cause a deadlock.
1944 */
1945 return;
1946 }
1947
1948 int ath10k_core_register(struct ath10k *ar, u32 chip_id)
1949 {
1950 ar->chip_id = chip_id;
1951 queue_work(ar->workqueue, &ar->register_work);
1952
1953 return 0;
1954 }
1955 EXPORT_SYMBOL(ath10k_core_register);
1956
1957 void ath10k_core_unregister(struct ath10k *ar)
1958 {
1959 cancel_work_sync(&ar->register_work);
1960
1961 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
1962 return;
1963
1964 ath10k_thermal_unregister(ar);
1965 /* Stop spectral before unregistering from mac80211 to remove the
1966 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
1967 * would be already be free'd recursively, leading to a double free.
1968 */
1969 ath10k_spectral_destroy(ar);
1970
1971 /* We must unregister from mac80211 before we stop HTC and HIF.
1972 * Otherwise we will fail to submit commands to FW and mac80211 will be
1973 * unhappy about callback failures. */
1974 ath10k_mac_unregister(ar);
1975
1976 ath10k_testmode_destroy(ar);
1977
1978 ath10k_core_free_firmware_files(ar);
1979 ath10k_core_free_board_files(ar);
1980
1981 ath10k_debug_unregister(ar);
1982 }
1983 EXPORT_SYMBOL(ath10k_core_unregister);
1984
1985 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
1986 enum ath10k_bus bus,
1987 enum ath10k_hw_rev hw_rev,
1988 const struct ath10k_hif_ops *hif_ops)
1989 {
1990 struct ath10k *ar;
1991 int ret;
1992
1993 ar = ath10k_mac_create(priv_size);
1994 if (!ar)
1995 return NULL;
1996
1997 ar->ath_common.priv = ar;
1998 ar->ath_common.hw = ar->hw;
1999 ar->dev = dev;
2000 ar->hw_rev = hw_rev;
2001 ar->hif.ops = hif_ops;
2002 ar->hif.bus = bus;
2003
2004 switch (hw_rev) {
2005 case ATH10K_HW_QCA988X:
2006 ar->regs = &qca988x_regs;
2007 ar->hw_values = &qca988x_values;
2008 break;
2009 case ATH10K_HW_QCA6174:
2010 case ATH10K_HW_QCA9377:
2011 ar->regs = &qca6174_regs;
2012 ar->hw_values = &qca6174_values;
2013 break;
2014 case ATH10K_HW_QCA99X0:
2015 ar->regs = &qca99x0_regs;
2016 ar->hw_values = &qca99x0_values;
2017 break;
2018 case ATH10K_HW_QCA4019:
2019 ar->regs = &qca4019_regs;
2020 ar->hw_values = &qca4019_values;
2021 break;
2022 default:
2023 ath10k_err(ar, "unsupported core hardware revision %d\n",
2024 hw_rev);
2025 ret = -ENOTSUPP;
2026 goto err_free_mac;
2027 }
2028
2029 init_completion(&ar->scan.started);
2030 init_completion(&ar->scan.completed);
2031 init_completion(&ar->scan.on_channel);
2032 init_completion(&ar->target_suspend);
2033 init_completion(&ar->wow.wakeup_completed);
2034
2035 init_completion(&ar->install_key_done);
2036 init_completion(&ar->vdev_setup_done);
2037 init_completion(&ar->thermal.wmi_sync);
2038
2039 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
2040
2041 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
2042 if (!ar->workqueue)
2043 goto err_free_mac;
2044
2045 ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
2046 if (!ar->workqueue_aux)
2047 goto err_free_wq;
2048
2049 mutex_init(&ar->conf_mutex);
2050 spin_lock_init(&ar->data_lock);
2051
2052 INIT_LIST_HEAD(&ar->peers);
2053 init_waitqueue_head(&ar->peer_mapping_wq);
2054 init_waitqueue_head(&ar->htt.empty_tx_wq);
2055 init_waitqueue_head(&ar->wmi.tx_credits_wq);
2056
2057 init_completion(&ar->offchan_tx_completed);
2058 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
2059 skb_queue_head_init(&ar->offchan_tx_queue);
2060
2061 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
2062 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
2063
2064 INIT_WORK(&ar->register_work, ath10k_core_register_work);
2065 INIT_WORK(&ar->restart_work, ath10k_core_restart);
2066
2067 ret = ath10k_debug_create(ar);
2068 if (ret)
2069 goto err_free_aux_wq;
2070
2071 return ar;
2072
2073 err_free_aux_wq:
2074 destroy_workqueue(ar->workqueue_aux);
2075 err_free_wq:
2076 destroy_workqueue(ar->workqueue);
2077
2078 err_free_mac:
2079 ath10k_mac_destroy(ar);
2080
2081 return NULL;
2082 }
2083 EXPORT_SYMBOL(ath10k_core_create);
2084
2085 void ath10k_core_destroy(struct ath10k *ar)
2086 {
2087 flush_workqueue(ar->workqueue);
2088 destroy_workqueue(ar->workqueue);
2089
2090 flush_workqueue(ar->workqueue_aux);
2091 destroy_workqueue(ar->workqueue_aux);
2092
2093 ath10k_debug_destroy(ar);
2094 ath10k_wmi_free_host_mem(ar);
2095 ath10k_mac_destroy(ar);
2096 }
2097 EXPORT_SYMBOL(ath10k_core_destroy);
2098
2099 MODULE_AUTHOR("Qualcomm Atheros");
2100 MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
2101 MODULE_LICENSE("Dual BSD/GPL");
Linux kernel - Deliverables
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