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Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
[linux-2.6/btrfs-unstable.git] / drivers / net / wireless / ath / ath10k / core.c
blobe88982921aa3137752b130a512576b5515a735d2
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 #include <asm/byteorder.h>
22
23 #include "core.h"
24 #include "mac.h"
25 #include "htc.h"
26 #include "hif.h"
27 #include "wmi.h"
28 #include "bmi.h"
29 #include "debug.h"
30 #include "htt.h"
31 #include "testmode.h"
32 #include "wmi-ops.h"
33
34 unsigned int ath10k_debug_mask;
35 static unsigned int ath10k_cryptmode_param;
36 static bool uart_print;
37 static bool skip_otp;
38 static bool rawmode;
39
40 module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
41 module_param_named(cryptmode, ath10k_cryptmode_param, uint, 0644);
42 module_param(uart_print, bool, 0644);
43 module_param(skip_otp, bool, 0644);
44 module_param(rawmode, bool, 0644);
45
46 MODULE_PARM_DESC(debug_mask, "Debugging mask");
47 MODULE_PARM_DESC(uart_print, "Uart target debugging");
48 MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
49 MODULE_PARM_DESC(cryptmode, "Crypto mode: 0-hardware, 1-software");
50 MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath");
51
52 static const struct ath10k_hw_params ath10k_hw_params_list[] = {
53 {
54 .id = QCA988X_HW_2_0_VERSION,
55 .dev_id = QCA988X_2_0_DEVICE_ID,
56 .name = "qca988x hw2.0",
57 .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
58 .uart_pin = 7,
59 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
60 .otp_exe_param = 0,
61 .channel_counters_freq_hz = 88000,
62 .max_probe_resp_desc_thres = 0,
63 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
64 .cal_data_len = 2116,
65 .fw = {
66 .dir = QCA988X_HW_2_0_FW_DIR,
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 = QCA9887_HW_1_0_VERSION,
74 .dev_id = QCA9887_1_0_DEVICE_ID,
75 .name = "qca9887 hw1.0",
76 .patch_load_addr = QCA9887_HW_1_0_PATCH_LOAD_ADDR,
77 .uart_pin = 7,
78 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_ALL,
79 .otp_exe_param = 0,
80 .channel_counters_freq_hz = 88000,
81 .max_probe_resp_desc_thres = 0,
82 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
83 .cal_data_len = 2116,
84 .fw = {
85 .dir = QCA9887_HW_1_0_FW_DIR,
86 .board = QCA9887_HW_1_0_BOARD_DATA_FILE,
87 .board_size = QCA9887_BOARD_DATA_SZ,
88 .board_ext_size = QCA9887_BOARD_EXT_DATA_SZ,
89 },
90 },
91 {
92 .id = QCA6174_HW_2_1_VERSION,
93 .dev_id = QCA6164_2_1_DEVICE_ID,
94 .name = "qca6164 hw2.1",
95 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
96 .uart_pin = 6,
97 .otp_exe_param = 0,
98 .channel_counters_freq_hz = 88000,
99 .max_probe_resp_desc_thres = 0,
100 .cal_data_len = 8124,
101 .fw = {
102 .dir = QCA6174_HW_2_1_FW_DIR,
103 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
104 .board_size = QCA6174_BOARD_DATA_SZ,
105 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
106 },
107 },
108 {
109 .id = QCA6174_HW_2_1_VERSION,
110 .dev_id = QCA6174_2_1_DEVICE_ID,
111 .name = "qca6174 hw2.1",
112 .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
113 .uart_pin = 6,
114 .otp_exe_param = 0,
115 .channel_counters_freq_hz = 88000,
116 .max_probe_resp_desc_thres = 0,
117 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
118 .cal_data_len = 8124,
119 .fw = {
120 .dir = QCA6174_HW_2_1_FW_DIR,
121 .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
122 .board_size = QCA6174_BOARD_DATA_SZ,
123 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
124 },
125 },
126 {
127 .id = QCA6174_HW_3_0_VERSION,
128 .dev_id = QCA6174_2_1_DEVICE_ID,
129 .name = "qca6174 hw3.0",
130 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
131 .uart_pin = 6,
132 .otp_exe_param = 0,
133 .channel_counters_freq_hz = 88000,
134 .max_probe_resp_desc_thres = 0,
135 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
136 .cal_data_len = 8124,
137 .fw = {
138 .dir = QCA6174_HW_3_0_FW_DIR,
139 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
140 .board_size = QCA6174_BOARD_DATA_SZ,
141 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
142 },
143 },
144 {
145 .id = QCA6174_HW_3_2_VERSION,
146 .dev_id = QCA6174_2_1_DEVICE_ID,
147 .name = "qca6174 hw3.2",
148 .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
149 .uart_pin = 6,
150 .otp_exe_param = 0,
151 .channel_counters_freq_hz = 88000,
152 .max_probe_resp_desc_thres = 0,
153 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_AFTER,
154 .cal_data_len = 8124,
155 .fw = {
156 /* uses same binaries as hw3.0 */
157 .dir = QCA6174_HW_3_0_FW_DIR,
158 .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
159 .board_size = QCA6174_BOARD_DATA_SZ,
160 .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
161 },
162 },
163 {
164 .id = QCA99X0_HW_2_0_DEV_VERSION,
165 .dev_id = QCA99X0_2_0_DEVICE_ID,
166 .name = "qca99x0 hw2.0",
167 .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR,
168 .uart_pin = 7,
169 .otp_exe_param = 0x00000700,
170 .continuous_frag_desc = true,
171 .cck_rate_map_rev2 = true,
172 .channel_counters_freq_hz = 150000,
173 .max_probe_resp_desc_thres = 24,
174 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
175 .tx_chain_mask = 0xf,
176 .rx_chain_mask = 0xf,
177 .max_spatial_stream = 4,
178 .cal_data_len = 12064,
179 .fw = {
180 .dir = QCA99X0_HW_2_0_FW_DIR,
181 .board = QCA99X0_HW_2_0_BOARD_DATA_FILE,
182 .board_size = QCA99X0_BOARD_DATA_SZ,
183 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
184 },
185 },
186 {
187 .id = QCA9984_HW_1_0_DEV_VERSION,
188 .dev_id = QCA9984_1_0_DEVICE_ID,
189 .name = "qca9984/qca9994 hw1.0",
190 .patch_load_addr = QCA9984_HW_1_0_PATCH_LOAD_ADDR,
191 .uart_pin = 7,
192 .otp_exe_param = 0x00000700,
193 .continuous_frag_desc = true,
194 .cck_rate_map_rev2 = true,
195 .channel_counters_freq_hz = 150000,
196 .max_probe_resp_desc_thres = 24,
197 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
198 .tx_chain_mask = 0xf,
199 .rx_chain_mask = 0xf,
200 .max_spatial_stream = 4,
201 .cal_data_len = 12064,
202 .fw = {
203 .dir = QCA9984_HW_1_0_FW_DIR,
204 .board = QCA9984_HW_1_0_BOARD_DATA_FILE,
205 .board_size = QCA99X0_BOARD_DATA_SZ,
206 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
207 },
208 },
209 {
210 .id = QCA9888_HW_2_0_DEV_VERSION,
211 .dev_id = QCA9888_2_0_DEVICE_ID,
212 .name = "qca9888 hw2.0",
213 .patch_load_addr = QCA9888_HW_2_0_PATCH_LOAD_ADDR,
214 .uart_pin = 7,
215 .otp_exe_param = 0x00000700,
216 .continuous_frag_desc = true,
217 .channel_counters_freq_hz = 150000,
218 .max_probe_resp_desc_thres = 24,
219 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
220 .tx_chain_mask = 3,
221 .rx_chain_mask = 3,
222 .max_spatial_stream = 2,
223 .cal_data_len = 12064,
224 .fw = {
225 .dir = QCA9888_HW_2_0_FW_DIR,
226 .board = QCA9888_HW_2_0_BOARD_DATA_FILE,
227 .board_size = QCA99X0_BOARD_DATA_SZ,
228 .board_ext_size = QCA99X0_BOARD_EXT_DATA_SZ,
229 },
230 },
231 {
232 .id = QCA9377_HW_1_0_DEV_VERSION,
233 .dev_id = QCA9377_1_0_DEVICE_ID,
234 .name = "qca9377 hw1.0",
235 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
236 .uart_pin = 6,
237 .otp_exe_param = 0,
238 .channel_counters_freq_hz = 88000,
239 .max_probe_resp_desc_thres = 0,
240 .cal_data_len = 8124,
241 .fw = {
242 .dir = QCA9377_HW_1_0_FW_DIR,
243 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
244 .board_size = QCA9377_BOARD_DATA_SZ,
245 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
246 },
247 },
248 {
249 .id = QCA9377_HW_1_1_DEV_VERSION,
250 .dev_id = QCA9377_1_0_DEVICE_ID,
251 .name = "qca9377 hw1.1",
252 .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR,
253 .uart_pin = 6,
254 .otp_exe_param = 0,
255 .channel_counters_freq_hz = 88000,
256 .max_probe_resp_desc_thres = 0,
257 .cal_data_len = 8124,
258 .fw = {
259 .dir = QCA9377_HW_1_0_FW_DIR,
260 .board = QCA9377_HW_1_0_BOARD_DATA_FILE,
261 .board_size = QCA9377_BOARD_DATA_SZ,
262 .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ,
263 },
264 },
265 {
266 .id = QCA4019_HW_1_0_DEV_VERSION,
267 .dev_id = 0,
268 .name = "qca4019 hw1.0",
269 .patch_load_addr = QCA4019_HW_1_0_PATCH_LOAD_ADDR,
270 .uart_pin = 7,
271 .cc_wraparound_type = ATH10K_HW_CC_WRAP_SHIFTED_EACH,
272 .otp_exe_param = 0x0010000,
273 .continuous_frag_desc = true,
274 .cck_rate_map_rev2 = true,
275 .channel_counters_freq_hz = 125000,
276 .max_probe_resp_desc_thres = 24,
277 .hw_4addr_pad = ATH10K_HW_4ADDR_PAD_BEFORE,
278 .tx_chain_mask = 0x3,
279 .rx_chain_mask = 0x3,
280 .max_spatial_stream = 2,
281 .cal_data_len = 12064,
282 .fw = {
283 .dir = QCA4019_HW_1_0_FW_DIR,
284 .board = QCA4019_HW_1_0_BOARD_DATA_FILE,
285 .board_size = QCA4019_BOARD_DATA_SZ,
286 .board_ext_size = QCA4019_BOARD_EXT_DATA_SZ,
287 },
288 },
289 };
290
291 static const char *const ath10k_core_fw_feature_str[] = {
292 [ATH10K_FW_FEATURE_EXT_WMI_MGMT_RX] = "wmi-mgmt-rx",
293 [ATH10K_FW_FEATURE_WMI_10X] = "wmi-10.x",
294 [ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX] = "has-wmi-mgmt-tx",
295 [ATH10K_FW_FEATURE_NO_P2P] = "no-p2p",
296 [ATH10K_FW_FEATURE_WMI_10_2] = "wmi-10.2",
297 [ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT] = "multi-vif-ps",
298 [ATH10K_FW_FEATURE_WOWLAN_SUPPORT] = "wowlan",
299 [ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
300 [ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
301 [ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
302 [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
303 [ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA] = "adaptive-cca",
304 [ATH10K_FW_FEATURE_MFP_SUPPORT] = "mfp",
305 [ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
306 [ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
307 };
308
309 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
310 size_t buf_len,
311 enum ath10k_fw_features feat)
312 {
313 /* make sure that ath10k_core_fw_feature_str[] gets updated */
314 BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
315 ATH10K_FW_FEATURE_COUNT);
316
317 if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
318 WARN_ON(!ath10k_core_fw_feature_str[feat])) {
319 return scnprintf(buf, buf_len, "bit%d", feat);
320 }
321
322 return scnprintf(buf, buf_len, "%s", ath10k_core_fw_feature_str[feat]);
323 }
324
325 void ath10k_core_get_fw_features_str(struct ath10k *ar,
326 char *buf,
327 size_t buf_len)
328 {
329 unsigned int len = 0;
330 int i;
331
332 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
333 if (test_bit(i, ar->normal_mode_fw.fw_file.fw_features)) {
334 if (len > 0)
335 len += scnprintf(buf + len, buf_len - len, ",");
336
337 len += ath10k_core_get_fw_feature_str(buf + len,
338 buf_len - len,
339 i);
340 }
341 }
342 }
343
344 static void ath10k_send_suspend_complete(struct ath10k *ar)
345 {
346 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
347
348 complete(&ar->target_suspend);
349 }
350
351 static int ath10k_init_configure_target(struct ath10k *ar)
352 {
353 u32 param_host;
354 int ret;
355
356 /* tell target which HTC version it is used*/
357 ret = ath10k_bmi_write32(ar, hi_app_host_interest,
358 HTC_PROTOCOL_VERSION);
359 if (ret) {
360 ath10k_err(ar, "settings HTC version failed\n");
361 return ret;
362 }
363
364 /* set the firmware mode to STA/IBSS/AP */
365 ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
366 if (ret) {
367 ath10k_err(ar, "setting firmware mode (1/2) failed\n");
368 return ret;
369 }
370
371 /* TODO following parameters need to be re-visited. */
372 /* num_device */
373 param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
374 /* Firmware mode */
375 /* FIXME: Why FW_MODE_AP ??.*/
376 param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
377 /* mac_addr_method */
378 param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
379 /* firmware_bridge */
380 param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
381 /* fwsubmode */
382 param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
383
384 ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
385 if (ret) {
386 ath10k_err(ar, "setting firmware mode (2/2) failed\n");
387 return ret;
388 }
389
390 /* We do all byte-swapping on the host */
391 ret = ath10k_bmi_write32(ar, hi_be, 0);
392 if (ret) {
393 ath10k_err(ar, "setting host CPU BE mode failed\n");
394 return ret;
395 }
396
397 /* FW descriptor/Data swap flags */
398 ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
399
400 if (ret) {
401 ath10k_err(ar, "setting FW data/desc swap flags failed\n");
402 return ret;
403 }
404
405 /* Some devices have a special sanity check that verifies the PCI
406 * Device ID is written to this host interest var. It is known to be
407 * required to boot QCA6164.
408 */
409 ret = ath10k_bmi_write32(ar, hi_hci_uart_pwr_mgmt_params_ext,
410 ar->dev_id);
411 if (ret) {
412 ath10k_err(ar, "failed to set pwr_mgmt_params: %d\n", ret);
413 return ret;
414 }
415
416 return 0;
417 }
418
419 static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
420 const char *dir,
421 const char *file)
422 {
423 char filename[100];
424 const struct firmware *fw;
425 int ret;
426
427 if (file == NULL)
428 return ERR_PTR(-ENOENT);
429
430 if (dir == NULL)
431 dir = ".";
432
433 snprintf(filename, sizeof(filename), "%s/%s", dir, file);
434 ret = request_firmware(&fw, filename, ar->dev);
435 if (ret)
436 return ERR_PTR(ret);
437
438 return fw;
439 }
440
441 static int ath10k_push_board_ext_data(struct ath10k *ar, const void *data,
442 size_t data_len)
443 {
444 u32 board_data_size = ar->hw_params.fw.board_size;
445 u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
446 u32 board_ext_data_addr;
447 int ret;
448
449 ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
450 if (ret) {
451 ath10k_err(ar, "could not read board ext data addr (%d)\n",
452 ret);
453 return ret;
454 }
455
456 ath10k_dbg(ar, ATH10K_DBG_BOOT,
457 "boot push board extended data addr 0x%x\n",
458 board_ext_data_addr);
459
460 if (board_ext_data_addr == 0)
461 return 0;
462
463 if (data_len != (board_data_size + board_ext_data_size)) {
464 ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
465 data_len, board_data_size, board_ext_data_size);
466 return -EINVAL;
467 }
468
469 ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
470 data + board_data_size,
471 board_ext_data_size);
472 if (ret) {
473 ath10k_err(ar, "could not write board ext data (%d)\n", ret);
474 return ret;
475 }
476
477 ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
478 (board_ext_data_size << 16) | 1);
479 if (ret) {
480 ath10k_err(ar, "could not write board ext data bit (%d)\n",
481 ret);
482 return ret;
483 }
484
485 return 0;
486 }
487
488 static int ath10k_download_board_data(struct ath10k *ar, const void *data,
489 size_t data_len)
490 {
491 u32 board_data_size = ar->hw_params.fw.board_size;
492 u32 address;
493 int ret;
494
495 ret = ath10k_push_board_ext_data(ar, data, data_len);
496 if (ret) {
497 ath10k_err(ar, "could not push board ext data (%d)\n", ret);
498 goto exit;
499 }
500
501 ret = ath10k_bmi_read32(ar, hi_board_data, &address);
502 if (ret) {
503 ath10k_err(ar, "could not read board data addr (%d)\n", ret);
504 goto exit;
505 }
506
507 ret = ath10k_bmi_write_memory(ar, address, data,
508 min_t(u32, board_data_size,
509 data_len));
510 if (ret) {
511 ath10k_err(ar, "could not write board data (%d)\n", ret);
512 goto exit;
513 }
514
515 ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
516 if (ret) {
517 ath10k_err(ar, "could not write board data bit (%d)\n", ret);
518 goto exit;
519 }
520
521 exit:
522 return ret;
523 }
524
525 static int ath10k_download_cal_file(struct ath10k *ar,
526 const struct firmware *file)
527 {
528 int ret;
529
530 if (!file)
531 return -ENOENT;
532
533 if (IS_ERR(file))
534 return PTR_ERR(file);
535
536 ret = ath10k_download_board_data(ar, file->data, file->size);
537 if (ret) {
538 ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
539 return ret;
540 }
541
542 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
543
544 return 0;
545 }
546
547 static int ath10k_download_cal_dt(struct ath10k *ar, const char *dt_name)
548 {
549 struct device_node *node;
550 int data_len;
551 void *data;
552 int ret;
553
554 node = ar->dev->of_node;
555 if (!node)
556 /* Device Tree is optional, don't print any warnings if
557 * there's no node for ath10k.
558 */
559 return -ENOENT;
560
561 if (!of_get_property(node, dt_name, &data_len)) {
562 /* The calibration data node is optional */
563 return -ENOENT;
564 }
565
566 if (data_len != ar->hw_params.cal_data_len) {
567 ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
568 data_len);
569 ret = -EMSGSIZE;
570 goto out;
571 }
572
573 data = kmalloc(data_len, GFP_KERNEL);
574 if (!data) {
575 ret = -ENOMEM;
576 goto out;
577 }
578
579 ret = of_property_read_u8_array(node, dt_name, data, data_len);
580 if (ret) {
581 ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
582 ret);
583 goto out_free;
584 }
585
586 ret = ath10k_download_board_data(ar, data, data_len);
587 if (ret) {
588 ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
589 ret);
590 goto out_free;
591 }
592
593 ret = 0;
594
595 out_free:
596 kfree(data);
597
598 out:
599 return ret;
600 }
601
602 static int ath10k_download_cal_eeprom(struct ath10k *ar)
603 {
604 size_t data_len;
605 void *data = NULL;
606 int ret;
607
608 ret = ath10k_hif_fetch_cal_eeprom(ar, &data, &data_len);
609 if (ret) {
610 if (ret != -EOPNOTSUPP)
611 ath10k_warn(ar, "failed to read calibration data from EEPROM: %d\n",
612 ret);
613 goto out_free;
614 }
615
616 ret = ath10k_download_board_data(ar, data, data_len);
617 if (ret) {
618 ath10k_warn(ar, "failed to download calibration data from EEPROM: %d\n",
619 ret);
620 goto out_free;
621 }
622
623 ret = 0;
624
625 out_free:
626 kfree(data);
627
628 return ret;
629 }
630
631 static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
632 {
633 u32 result, address;
634 u8 board_id, chip_id;
635 int ret;
636
637 address = ar->hw_params.patch_load_addr;
638
639 if (!ar->normal_mode_fw.fw_file.otp_data ||
640 !ar->normal_mode_fw.fw_file.otp_len) {
641 ath10k_warn(ar,
642 "failed to retrieve board id because of invalid otp\n");
643 return -ENODATA;
644 }
645
646 ath10k_dbg(ar, ATH10K_DBG_BOOT,
647 "boot upload otp to 0x%x len %zd for board id\n",
648 address, ar->normal_mode_fw.fw_file.otp_len);
649
650 ret = ath10k_bmi_fast_download(ar, address,
651 ar->normal_mode_fw.fw_file.otp_data,
652 ar->normal_mode_fw.fw_file.otp_len);
653 if (ret) {
654 ath10k_err(ar, "could not write otp for board id check: %d\n",
655 ret);
656 return ret;
657 }
658
659 ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID,
660 &result);
661 if (ret) {
662 ath10k_err(ar, "could not execute otp for board id check: %d\n",
663 ret);
664 return ret;
665 }
666
667 board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
668 chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
669
670 ath10k_dbg(ar, ATH10K_DBG_BOOT,
671 "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
672 result, board_id, chip_id);
673
674 if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0)
675 return -EOPNOTSUPP;
676
677 ar->id.bmi_ids_valid = true;
678 ar->id.bmi_board_id = board_id;
679 ar->id.bmi_chip_id = chip_id;
680
681 return 0;
682 }
683
684 static int ath10k_download_and_run_otp(struct ath10k *ar)
685 {
686 u32 result, address = ar->hw_params.patch_load_addr;
687 u32 bmi_otp_exe_param = ar->hw_params.otp_exe_param;
688 int ret;
689
690 ret = ath10k_download_board_data(ar,
691 ar->running_fw->board_data,
692 ar->running_fw->board_len);
693 if (ret) {
694 ath10k_err(ar, "failed to download board data: %d\n", ret);
695 return ret;
696 }
697
698 /* OTP is optional */
699
700 if (!ar->running_fw->fw_file.otp_data ||
701 !ar->running_fw->fw_file.otp_len) {
702 ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
703 ar->running_fw->fw_file.otp_data,
704 ar->running_fw->fw_file.otp_len);
705 return 0;
706 }
707
708 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
709 address, ar->running_fw->fw_file.otp_len);
710
711 ret = ath10k_bmi_fast_download(ar, address,
712 ar->running_fw->fw_file.otp_data,
713 ar->running_fw->fw_file.otp_len);
714 if (ret) {
715 ath10k_err(ar, "could not write otp (%d)\n", ret);
716 return ret;
717 }
718
719 ret = ath10k_bmi_execute(ar, address, bmi_otp_exe_param, &result);
720 if (ret) {
721 ath10k_err(ar, "could not execute otp (%d)\n", ret);
722 return ret;
723 }
724
725 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
726
727 if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
728 ar->running_fw->fw_file.fw_features)) &&
729 result != 0) {
730 ath10k_err(ar, "otp calibration failed: %d", result);
731 return -EINVAL;
732 }
733
734 return 0;
735 }
736
737 static int ath10k_download_fw(struct ath10k *ar)
738 {
739 u32 address, data_len;
740 const void *data;
741 int ret;
742
743 address = ar->hw_params.patch_load_addr;
744
745 data = ar->running_fw->fw_file.firmware_data;
746 data_len = ar->running_fw->fw_file.firmware_len;
747
748 ret = ath10k_swap_code_seg_configure(ar);
749 if (ret) {
750 ath10k_err(ar, "failed to configure fw code swap: %d\n",
751 ret);
752 return ret;
753 }
754
755 ath10k_dbg(ar, ATH10K_DBG_BOOT,
756 "boot uploading firmware image %p len %d\n",
757 data, data_len);
758
759 ret = ath10k_bmi_fast_download(ar, address, data, data_len);
760 if (ret) {
761 ath10k_err(ar, "failed to download firmware: %d\n",
762 ret);
763 return ret;
764 }
765
766 return ret;
767 }
768
769 static void ath10k_core_free_board_files(struct ath10k *ar)
770 {
771 if (!IS_ERR(ar->normal_mode_fw.board))
772 release_firmware(ar->normal_mode_fw.board);
773
774 ar->normal_mode_fw.board = NULL;
775 ar->normal_mode_fw.board_data = NULL;
776 ar->normal_mode_fw.board_len = 0;
777 }
778
779 static void ath10k_core_free_firmware_files(struct ath10k *ar)
780 {
781 if (!IS_ERR(ar->normal_mode_fw.fw_file.firmware))
782 release_firmware(ar->normal_mode_fw.fw_file.firmware);
783
784 if (!IS_ERR(ar->cal_file))
785 release_firmware(ar->cal_file);
786
787 if (!IS_ERR(ar->pre_cal_file))
788 release_firmware(ar->pre_cal_file);
789
790 ath10k_swap_code_seg_release(ar);
791
792 ar->normal_mode_fw.fw_file.otp_data = NULL;
793 ar->normal_mode_fw.fw_file.otp_len = 0;
794
795 ar->normal_mode_fw.fw_file.firmware = NULL;
796 ar->normal_mode_fw.fw_file.firmware_data = NULL;
797 ar->normal_mode_fw.fw_file.firmware_len = 0;
798
799 ar->cal_file = NULL;
800 ar->pre_cal_file = NULL;
801 }
802
803 static int ath10k_fetch_cal_file(struct ath10k *ar)
804 {
805 char filename[100];
806
807 /* pre-cal-<bus>-<id>.bin */
808 scnprintf(filename, sizeof(filename), "pre-cal-%s-%s.bin",
809 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
810
811 ar->pre_cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
812 if (!IS_ERR(ar->pre_cal_file))
813 goto success;
814
815 /* cal-<bus>-<id>.bin */
816 scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
817 ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
818
819 ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
820 if (IS_ERR(ar->cal_file))
821 /* calibration file is optional, don't print any warnings */
822 return PTR_ERR(ar->cal_file);
823 success:
824 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
825 ATH10K_FW_DIR, filename);
826
827 return 0;
828 }
829
830 static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
831 {
832 if (!ar->hw_params.fw.board) {
833 ath10k_err(ar, "failed to find board file fw entry\n");
834 return -EINVAL;
835 }
836
837 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
838 ar->hw_params.fw.dir,
839 ar->hw_params.fw.board);
840 if (IS_ERR(ar->normal_mode_fw.board))
841 return PTR_ERR(ar->normal_mode_fw.board);
842
843 ar->normal_mode_fw.board_data = ar->normal_mode_fw.board->data;
844 ar->normal_mode_fw.board_len = ar->normal_mode_fw.board->size;
845
846 return 0;
847 }
848
849 static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
850 const void *buf, size_t buf_len,
851 const char *boardname)
852 {
853 const struct ath10k_fw_ie *hdr;
854 bool name_match_found;
855 int ret, board_ie_id;
856 size_t board_ie_len;
857 const void *board_ie_data;
858
859 name_match_found = false;
860
861 /* go through ATH10K_BD_IE_BOARD_ elements */
862 while (buf_len > sizeof(struct ath10k_fw_ie)) {
863 hdr = buf;
864 board_ie_id = le32_to_cpu(hdr->id);
865 board_ie_len = le32_to_cpu(hdr->len);
866 board_ie_data = hdr->data;
867
868 buf_len -= sizeof(*hdr);
869 buf += sizeof(*hdr);
870
871 if (buf_len < ALIGN(board_ie_len, 4)) {
872 ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
873 buf_len, ALIGN(board_ie_len, 4));
874 ret = -EINVAL;
875 goto out;
876 }
877
878 switch (board_ie_id) {
879 case ATH10K_BD_IE_BOARD_NAME:
880 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
881 board_ie_data, board_ie_len);
882
883 if (board_ie_len != strlen(boardname))
884 break;
885
886 ret = memcmp(board_ie_data, boardname, strlen(boardname));
887 if (ret)
888 break;
889
890 name_match_found = true;
891 ath10k_dbg(ar, ATH10K_DBG_BOOT,
892 "boot found match for name '%s'",
893 boardname);
894 break;
895 case ATH10K_BD_IE_BOARD_DATA:
896 if (!name_match_found)
897 /* no match found */
898 break;
899
900 ath10k_dbg(ar, ATH10K_DBG_BOOT,
901 "boot found board data for '%s'",
902 boardname);
903
904 ar->normal_mode_fw.board_data = board_ie_data;
905 ar->normal_mode_fw.board_len = board_ie_len;
906
907 ret = 0;
908 goto out;
909 default:
910 ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
911 board_ie_id);
912 break;
913 }
914
915 /* jump over the padding */
916 board_ie_len = ALIGN(board_ie_len, 4);
917
918 buf_len -= board_ie_len;
919 buf += board_ie_len;
920 }
921
922 /* no match found */
923 ret = -ENOENT;
924
925 out:
926 return ret;
927 }
928
929 static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
930 const char *boardname,
931 const char *filename)
932 {
933 size_t len, magic_len, ie_len;
934 struct ath10k_fw_ie *hdr;
935 const u8 *data;
936 int ret, ie_id;
937
938 ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar,
939 ar->hw_params.fw.dir,
940 filename);
941 if (IS_ERR(ar->normal_mode_fw.board))
942 return PTR_ERR(ar->normal_mode_fw.board);
943
944 data = ar->normal_mode_fw.board->data;
945 len = ar->normal_mode_fw.board->size;
946
947 /* magic has extra null byte padded */
948 magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
949 if (len < magic_len) {
950 ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
951 ar->hw_params.fw.dir, filename, len);
952 ret = -EINVAL;
953 goto err;
954 }
955
956 if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
957 ath10k_err(ar, "found invalid board magic\n");
958 ret = -EINVAL;
959 goto err;
960 }
961
962 /* magic is padded to 4 bytes */
963 magic_len = ALIGN(magic_len, 4);
964 if (len < magic_len) {
965 ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
966 ar->hw_params.fw.dir, filename, len);
967 ret = -EINVAL;
968 goto err;
969 }
970
971 data += magic_len;
972 len -= magic_len;
973
974 while (len > sizeof(struct ath10k_fw_ie)) {
975 hdr = (struct ath10k_fw_ie *)data;
976 ie_id = le32_to_cpu(hdr->id);
977 ie_len = le32_to_cpu(hdr->len);
978
979 len -= sizeof(*hdr);
980 data = hdr->data;
981
982 if (len < ALIGN(ie_len, 4)) {
983 ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
984 ie_id, ie_len, len);
985 ret = -EINVAL;
986 goto err;
987 }
988
989 switch (ie_id) {
990 case ATH10K_BD_IE_BOARD:
991 ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
992 boardname);
993 if (ret == -ENOENT)
994 /* no match found, continue */
995 break;
996 else if (ret)
997 /* there was an error, bail out */
998 goto err;
999
1000 /* board data found */
1001 goto out;
1002 }
1003
1004 /* jump over the padding */
1005 ie_len = ALIGN(ie_len, 4);
1006
1007 len -= ie_len;
1008 data += ie_len;
1009 }
1010
1011 out:
1012 if (!ar->normal_mode_fw.board_data || !ar->normal_mode_fw.board_len) {
1013 ath10k_err(ar,
1014 "failed to fetch board data for %s from %s/%s\n",
1015 boardname, ar->hw_params.fw.dir, filename);
1016 ret = -ENODATA;
1017 goto err;
1018 }
1019
1020 return 0;
1021
1022 err:
1023 ath10k_core_free_board_files(ar);
1024 return ret;
1025 }
1026
1027 static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
1028 size_t name_len)
1029 {
1030 if (ar->id.bmi_ids_valid) {
1031 scnprintf(name, name_len,
1032 "bus=%s,bmi-chip-id=%d,bmi-board-id=%d",
1033 ath10k_bus_str(ar->hif.bus),
1034 ar->id.bmi_chip_id,
1035 ar->id.bmi_board_id);
1036 goto out;
1037 }
1038
1039 scnprintf(name, name_len,
1040 "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x",
1041 ath10k_bus_str(ar->hif.bus),
1042 ar->id.vendor, ar->id.device,
1043 ar->id.subsystem_vendor, ar->id.subsystem_device);
1044
1045 out:
1046 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
1047
1048 return 0;
1049 }
1050
1051 static int ath10k_core_fetch_board_file(struct ath10k *ar)
1052 {
1053 char boardname[100];
1054 int ret;
1055
1056 ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
1057 if (ret) {
1058 ath10k_err(ar, "failed to create board name: %d", ret);
1059 return ret;
1060 }
1061
1062 ar->bd_api = 2;
1063 ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
1064 ATH10K_BOARD_API2_FILE);
1065 if (!ret)
1066 goto success;
1067
1068 ar->bd_api = 1;
1069 ret = ath10k_core_fetch_board_data_api_1(ar);
1070 if (ret) {
1071 ath10k_err(ar, "failed to fetch board data\n");
1072 return ret;
1073 }
1074
1075 success:
1076 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
1077 return 0;
1078 }
1079
1080 int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
1081 struct ath10k_fw_file *fw_file)
1082 {
1083 size_t magic_len, len, ie_len;
1084 int ie_id, i, index, bit, ret;
1085 struct ath10k_fw_ie *hdr;
1086 const u8 *data;
1087 __le32 *timestamp, *version;
1088
1089 /* first fetch the firmware file (firmware-*.bin) */
1090 fw_file->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
1091 name);
1092 if (IS_ERR(fw_file->firmware)) {
1093 ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
1094 ar->hw_params.fw.dir, name,
1095 PTR_ERR(fw_file->firmware));
1096 return PTR_ERR(fw_file->firmware);
1097 }
1098
1099 data = fw_file->firmware->data;
1100 len = fw_file->firmware->size;
1101
1102 /* magic also includes the null byte, check that as well */
1103 magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
1104
1105 if (len < magic_len) {
1106 ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
1107 ar->hw_params.fw.dir, name, len);
1108 ret = -EINVAL;
1109 goto err;
1110 }
1111
1112 if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
1113 ath10k_err(ar, "invalid firmware magic\n");
1114 ret = -EINVAL;
1115 goto err;
1116 }
1117
1118 /* jump over the padding */
1119 magic_len = ALIGN(magic_len, 4);
1120
1121 len -= magic_len;
1122 data += magic_len;
1123
1124 /* loop elements */
1125 while (len > sizeof(struct ath10k_fw_ie)) {
1126 hdr = (struct ath10k_fw_ie *)data;
1127
1128 ie_id = le32_to_cpu(hdr->id);
1129 ie_len = le32_to_cpu(hdr->len);
1130
1131 len -= sizeof(*hdr);
1132 data += sizeof(*hdr);
1133
1134 if (len < ie_len) {
1135 ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
1136 ie_id, len, ie_len);
1137 ret = -EINVAL;
1138 goto err;
1139 }
1140
1141 switch (ie_id) {
1142 case ATH10K_FW_IE_FW_VERSION:
1143 if (ie_len > sizeof(fw_file->fw_version) - 1)
1144 break;
1145
1146 memcpy(fw_file->fw_version, data, ie_len);
1147 fw_file->fw_version[ie_len] = '\0';
1148
1149 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1150 "found fw version %s\n",
1151 fw_file->fw_version);
1152 break;
1153 case ATH10K_FW_IE_TIMESTAMP:
1154 if (ie_len != sizeof(u32))
1155 break;
1156
1157 timestamp = (__le32 *)data;
1158
1159 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
1160 le32_to_cpup(timestamp));
1161 break;
1162 case ATH10K_FW_IE_FEATURES:
1163 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1164 "found firmware features ie (%zd B)\n",
1165 ie_len);
1166
1167 for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
1168 index = i / 8;
1169 bit = i % 8;
1170
1171 if (index == ie_len)
1172 break;
1173
1174 if (data[index] & (1 << bit)) {
1175 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1176 "Enabling feature bit: %i\n",
1177 i);
1178 __set_bit(i, fw_file->fw_features);
1179 }
1180 }
1181
1182 ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
1183 fw_file->fw_features,
1184 sizeof(fw_file->fw_features));
1185 break;
1186 case ATH10K_FW_IE_FW_IMAGE:
1187 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1188 "found fw image ie (%zd B)\n",
1189 ie_len);
1190
1191 fw_file->firmware_data = data;
1192 fw_file->firmware_len = ie_len;
1193
1194 break;
1195 case ATH10K_FW_IE_OTP_IMAGE:
1196 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1197 "found otp image ie (%zd B)\n",
1198 ie_len);
1199
1200 fw_file->otp_data = data;
1201 fw_file->otp_len = ie_len;
1202
1203 break;
1204 case ATH10K_FW_IE_WMI_OP_VERSION:
1205 if (ie_len != sizeof(u32))
1206 break;
1207
1208 version = (__le32 *)data;
1209
1210 fw_file->wmi_op_version = le32_to_cpup(version);
1211
1212 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
1213 fw_file->wmi_op_version);
1214 break;
1215 case ATH10K_FW_IE_HTT_OP_VERSION:
1216 if (ie_len != sizeof(u32))
1217 break;
1218
1219 version = (__le32 *)data;
1220
1221 fw_file->htt_op_version = le32_to_cpup(version);
1222
1223 ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie htt op version %d\n",
1224 fw_file->htt_op_version);
1225 break;
1226 case ATH10K_FW_IE_FW_CODE_SWAP_IMAGE:
1227 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1228 "found fw code swap image ie (%zd B)\n",
1229 ie_len);
1230 fw_file->codeswap_data = data;
1231 fw_file->codeswap_len = ie_len;
1232 break;
1233 default:
1234 ath10k_warn(ar, "Unknown FW IE: %u\n",
1235 le32_to_cpu(hdr->id));
1236 break;
1237 }
1238
1239 /* jump over the padding */
1240 ie_len = ALIGN(ie_len, 4);
1241
1242 len -= ie_len;
1243 data += ie_len;
1244 }
1245
1246 if (!fw_file->firmware_data ||
1247 !fw_file->firmware_len) {
1248 ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
1249 ar->hw_params.fw.dir, name);
1250 ret = -ENOMEDIUM;
1251 goto err;
1252 }
1253
1254 return 0;
1255
1256 err:
1257 ath10k_core_free_firmware_files(ar);
1258 return ret;
1259 }
1260
1261 static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
1262 {
1263 int ret;
1264
1265 /* calibration file is optional, don't check for any errors */
1266 ath10k_fetch_cal_file(ar);
1267
1268 ar->fw_api = 5;
1269 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1270
1271 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API5_FILE,
1272 &ar->normal_mode_fw.fw_file);
1273 if (ret == 0)
1274 goto success;
1275
1276 ar->fw_api = 4;
1277 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1278
1279 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API4_FILE,
1280 &ar->normal_mode_fw.fw_file);
1281 if (ret == 0)
1282 goto success;
1283
1284 ar->fw_api = 3;
1285 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1286
1287 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE,
1288 &ar->normal_mode_fw.fw_file);
1289 if (ret == 0)
1290 goto success;
1291
1292 ar->fw_api = 2;
1293 ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
1294
1295 ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE,
1296 &ar->normal_mode_fw.fw_file);
1297 if (ret)
1298 return ret;
1299
1300 success:
1301 ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
1302
1303 return 0;
1304 }
1305
1306 static int ath10k_core_pre_cal_download(struct ath10k *ar)
1307 {
1308 int ret;
1309
1310 ret = ath10k_download_cal_file(ar, ar->pre_cal_file);
1311 if (ret == 0) {
1312 ar->cal_mode = ATH10K_PRE_CAL_MODE_FILE;
1313 goto success;
1314 }
1315
1316 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1317 "boot did not find a pre calibration file, try DT next: %d\n",
1318 ret);
1319
1320 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-pre-calibration-data");
1321 if (ret) {
1322 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1323 "unable to load pre cal data from DT: %d\n", ret);
1324 return ret;
1325 }
1326 ar->cal_mode = ATH10K_PRE_CAL_MODE_DT;
1327
1328 success:
1329 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1330 ath10k_cal_mode_str(ar->cal_mode));
1331
1332 return 0;
1333 }
1334
1335 static int ath10k_core_pre_cal_config(struct ath10k *ar)
1336 {
1337 int ret;
1338
1339 ret = ath10k_core_pre_cal_download(ar);
1340 if (ret) {
1341 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1342 "failed to load pre cal data: %d\n", ret);
1343 return ret;
1344 }
1345
1346 ret = ath10k_core_get_board_id_from_otp(ar);
1347 if (ret) {
1348 ath10k_err(ar, "failed to get board id: %d\n", ret);
1349 return ret;
1350 }
1351
1352 ret = ath10k_download_and_run_otp(ar);
1353 if (ret) {
1354 ath10k_err(ar, "failed to run otp: %d\n", ret);
1355 return ret;
1356 }
1357
1358 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1359 "pre cal configuration done successfully\n");
1360
1361 return 0;
1362 }
1363
1364 static int ath10k_download_cal_data(struct ath10k *ar)
1365 {
1366 int ret;
1367
1368 ret = ath10k_core_pre_cal_config(ar);
1369 if (ret == 0)
1370 return 0;
1371
1372 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1373 "pre cal download procedure failed, try cal file: %d\n",
1374 ret);
1375
1376 ret = ath10k_download_cal_file(ar, ar->cal_file);
1377 if (ret == 0) {
1378 ar->cal_mode = ATH10K_CAL_MODE_FILE;
1379 goto done;
1380 }
1381
1382 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1383 "boot did not find a calibration file, try DT next: %d\n",
1384 ret);
1385
1386 ret = ath10k_download_cal_dt(ar, "qcom,ath10k-calibration-data");
1387 if (ret == 0) {
1388 ar->cal_mode = ATH10K_CAL_MODE_DT;
1389 goto done;
1390 }
1391
1392 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1393 "boot did not find DT entry, try target EEPROM next: %d\n",
1394 ret);
1395
1396 ret = ath10k_download_cal_eeprom(ar);
1397 if (ret == 0) {
1398 ar->cal_mode = ATH10K_CAL_MODE_EEPROM;
1399 goto done;
1400 }
1401
1402 ath10k_dbg(ar, ATH10K_DBG_BOOT,
1403 "boot did not find target EEPROM entry, try OTP next: %d\n",
1404 ret);
1405
1406 ret = ath10k_download_and_run_otp(ar);
1407 if (ret) {
1408 ath10k_err(ar, "failed to run otp: %d\n", ret);
1409 return ret;
1410 }
1411
1412 ar->cal_mode = ATH10K_CAL_MODE_OTP;
1413
1414 done:
1415 ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
1416 ath10k_cal_mode_str(ar->cal_mode));
1417 return 0;
1418 }
1419
1420 static int ath10k_init_uart(struct ath10k *ar)
1421 {
1422 int ret;
1423
1424 /*
1425 * Explicitly setting UART prints to zero as target turns it on
1426 * based on scratch registers.
1427 */
1428 ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
1429 if (ret) {
1430 ath10k_warn(ar, "could not disable UART prints (%d)\n", ret);
1431 return ret;
1432 }
1433
1434 if (!uart_print)
1435 return 0;
1436
1437 ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
1438 if (ret) {
1439 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1440 return ret;
1441 }
1442
1443 ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
1444 if (ret) {
1445 ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
1446 return ret;
1447 }
1448
1449 /* Set the UART baud rate to 19200. */
1450 ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
1451 if (ret) {
1452 ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
1453 return ret;
1454 }
1455
1456 ath10k_info(ar, "UART prints enabled\n");
1457 return 0;
1458 }
1459
1460 static int ath10k_init_hw_params(struct ath10k *ar)
1461 {
1462 const struct ath10k_hw_params *uninitialized_var(hw_params);
1463 int i;
1464
1465 for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
1466 hw_params = &ath10k_hw_params_list[i];
1467
1468 if (hw_params->id == ar->target_version &&
1469 hw_params->dev_id == ar->dev_id)
1470 break;
1471 }
1472
1473 if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
1474 ath10k_err(ar, "Unsupported hardware version: 0x%x\n",
1475 ar->target_version);
1476 return -EINVAL;
1477 }
1478
1479 ar->hw_params = *hw_params;
1480
1481 ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
1482 ar->hw_params.name, ar->target_version);
1483
1484 return 0;
1485 }
1486
1487 static void ath10k_core_restart(struct work_struct *work)
1488 {
1489 struct ath10k *ar = container_of(work, struct ath10k, restart_work);
1490
1491 set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1492
1493 /* Place a barrier to make sure the compiler doesn't reorder
1494 * CRASH_FLUSH and calling other functions.
1495 */
1496 barrier();
1497
1498 ieee80211_stop_queues(ar->hw);
1499 ath10k_drain_tx(ar);
1500 complete_all(&ar->scan.started);
1501 complete_all(&ar->scan.completed);
1502 complete_all(&ar->scan.on_channel);
1503 complete_all(&ar->offchan_tx_completed);
1504 complete_all(&ar->install_key_done);
1505 complete_all(&ar->vdev_setup_done);
1506 complete_all(&ar->thermal.wmi_sync);
1507 complete_all(&ar->bss_survey_done);
1508 wake_up(&ar->htt.empty_tx_wq);
1509 wake_up(&ar->wmi.tx_credits_wq);
1510 wake_up(&ar->peer_mapping_wq);
1511
1512 mutex_lock(&ar->conf_mutex);
1513
1514 switch (ar->state) {
1515 case ATH10K_STATE_ON:
1516 ar->state = ATH10K_STATE_RESTARTING;
1517 ath10k_hif_stop(ar);
1518 ath10k_scan_finish(ar);
1519 ieee80211_restart_hw(ar->hw);
1520 break;
1521 case ATH10K_STATE_OFF:
1522 /* this can happen if driver is being unloaded
1523 * or if the crash happens during FW probing */
1524 ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
1525 break;
1526 case ATH10K_STATE_RESTARTING:
1527 /* hw restart might be requested from multiple places */
1528 break;
1529 case ATH10K_STATE_RESTARTED:
1530 ar->state = ATH10K_STATE_WEDGED;
1531 /* fall through */
1532 case ATH10K_STATE_WEDGED:
1533 ath10k_warn(ar, "device is wedged, will not restart\n");
1534 break;
1535 case ATH10K_STATE_UTF:
1536 ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
1537 break;
1538 }
1539
1540 mutex_unlock(&ar->conf_mutex);
1541 }
1542
1543 static int ath10k_core_init_firmware_features(struct ath10k *ar)
1544 {
1545 struct ath10k_fw_file *fw_file = &ar->normal_mode_fw.fw_file;
1546
1547 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, fw_file->fw_features) &&
1548 !test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
1549 ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
1550 return -EINVAL;
1551 }
1552
1553 if (fw_file->wmi_op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
1554 ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
1555 ATH10K_FW_WMI_OP_VERSION_MAX, fw_file->wmi_op_version);
1556 return -EINVAL;
1557 }
1558
1559 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_NATIVE_WIFI;
1560 switch (ath10k_cryptmode_param) {
1561 case ATH10K_CRYPT_MODE_HW:
1562 clear_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1563 clear_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
1564 break;
1565 case ATH10K_CRYPT_MODE_SW:
1566 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
1567 fw_file->fw_features)) {
1568 ath10k_err(ar, "cryptmode > 0 requires raw mode support from firmware");
1569 return -EINVAL;
1570 }
1571
1572 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1573 set_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags);
1574 break;
1575 default:
1576 ath10k_info(ar, "invalid cryptmode: %d\n",
1577 ath10k_cryptmode_param);
1578 return -EINVAL;
1579 }
1580
1581 ar->htt.max_num_amsdu = ATH10K_HTT_MAX_NUM_AMSDU_DEFAULT;
1582 ar->htt.max_num_ampdu = ATH10K_HTT_MAX_NUM_AMPDU_DEFAULT;
1583
1584 if (rawmode) {
1585 if (!test_bit(ATH10K_FW_FEATURE_RAW_MODE_SUPPORT,
1586 fw_file->fw_features)) {
1587 ath10k_err(ar, "rawmode = 1 requires support from firmware");
1588 return -EINVAL;
1589 }
1590 set_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags);
1591 }
1592
1593 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
1594 ar->wmi.rx_decap_mode = ATH10K_HW_TXRX_RAW;
1595
1596 /* Workaround:
1597 *
1598 * Firmware A-MSDU aggregation breaks with RAW Tx encap mode
1599 * and causes enormous performance issues (malformed frames,
1600 * etc).
1601 *
1602 * Disabling A-MSDU makes RAW mode stable with heavy traffic
1603 * albeit a bit slower compared to regular operation.
1604 */
1605 ar->htt.max_num_amsdu = 1;
1606 }
1607
1608 /* Backwards compatibility for firmwares without
1609 * ATH10K_FW_IE_WMI_OP_VERSION.
1610 */
1611 if (fw_file->wmi_op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
1612 if (test_bit(ATH10K_FW_FEATURE_WMI_10X, fw_file->fw_features)) {
1613 if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
1614 fw_file->fw_features))
1615 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
1616 else
1617 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
1618 } else {
1619 fw_file->wmi_op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
1620 }
1621 }
1622
1623 switch (fw_file->wmi_op_version) {
1624 case ATH10K_FW_WMI_OP_VERSION_MAIN:
1625 ar->max_num_peers = TARGET_NUM_PEERS;
1626 ar->max_num_stations = TARGET_NUM_STATIONS;
1627 ar->max_num_vdevs = TARGET_NUM_VDEVS;
1628 ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
1629 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
1630 WMI_STAT_PEER;
1631 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1632 break;
1633 case ATH10K_FW_WMI_OP_VERSION_10_1:
1634 case ATH10K_FW_WMI_OP_VERSION_10_2:
1635 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1636 if (ath10k_peer_stats_enabled(ar)) {
1637 ar->max_num_peers = TARGET_10X_TX_STATS_NUM_PEERS;
1638 ar->max_num_stations = TARGET_10X_TX_STATS_NUM_STATIONS;
1639 } else {
1640 ar->max_num_peers = TARGET_10X_NUM_PEERS;
1641 ar->max_num_stations = TARGET_10X_NUM_STATIONS;
1642 }
1643 ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
1644 ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
1645 ar->fw_stats_req_mask = WMI_STAT_PEER;
1646 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1647 break;
1648 case ATH10K_FW_WMI_OP_VERSION_TLV:
1649 ar->max_num_peers = TARGET_TLV_NUM_PEERS;
1650 ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
1651 ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
1652 ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;
1653 ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
1654 ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;
1655 ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |
1656 WMI_STAT_PEER;
1657 ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM;
1658 break;
1659 case ATH10K_FW_WMI_OP_VERSION_10_4:
1660 ar->max_num_peers = TARGET_10_4_NUM_PEERS;
1661 ar->max_num_stations = TARGET_10_4_NUM_STATIONS;
1662 ar->num_active_peers = TARGET_10_4_ACTIVE_PEERS;
1663 ar->max_num_vdevs = TARGET_10_4_NUM_VDEVS;
1664 ar->num_tids = TARGET_10_4_TGT_NUM_TIDS;
1665 ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
1666 WMI_10_4_STAT_PEER_EXTD;
1667 ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
1668
1669 if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
1670 fw_file->fw_features))
1671 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC_PFC;
1672 else
1673 ar->htt.max_num_pending_tx = TARGET_10_4_NUM_MSDU_DESC;
1674 break;
1675 case ATH10K_FW_WMI_OP_VERSION_UNSET:
1676 case ATH10K_FW_WMI_OP_VERSION_MAX:
1677 WARN_ON(1);
1678 return -EINVAL;
1679 }
1680
1681 /* Backwards compatibility for firmwares without
1682 * ATH10K_FW_IE_HTT_OP_VERSION.
1683 */
1684 if (fw_file->htt_op_version == ATH10K_FW_HTT_OP_VERSION_UNSET) {
1685 switch (fw_file->wmi_op_version) {
1686 case ATH10K_FW_WMI_OP_VERSION_MAIN:
1687 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_MAIN;
1688 break;
1689 case ATH10K_FW_WMI_OP_VERSION_10_1:
1690 case ATH10K_FW_WMI_OP_VERSION_10_2:
1691 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
1692 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_10_1;
1693 break;
1694 case ATH10K_FW_WMI_OP_VERSION_TLV:
1695 fw_file->htt_op_version = ATH10K_FW_HTT_OP_VERSION_TLV;
1696 break;
1697 case ATH10K_FW_WMI_OP_VERSION_10_4:
1698 case ATH10K_FW_WMI_OP_VERSION_UNSET:
1699 case ATH10K_FW_WMI_OP_VERSION_MAX:
1700 ath10k_err(ar, "htt op version not found from fw meta data");
1701 return -EINVAL;
1702 }
1703 }
1704
1705 return 0;
1706 }
1707
1708 int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
1709 const struct ath10k_fw_components *fw)
1710 {
1711 int status;
1712 u32 val;
1713
1714 lockdep_assert_held(&ar->conf_mutex);
1715
1716 clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
1717
1718 ar->running_fw = fw;
1719
1720 ath10k_bmi_start(ar);
1721
1722 if (ath10k_init_configure_target(ar)) {
1723 status = -EINVAL;
1724 goto err;
1725 }
1726
1727 status = ath10k_download_cal_data(ar);
1728 if (status)
1729 goto err;
1730
1731 /* Some of of qca988x solutions are having global reset issue
1732 * during target initialization. Bypassing PLL setting before
1733 * downloading firmware and letting the SoC run on REF_CLK is
1734 * fixing the problem. Corresponding firmware change is also needed
1735 * to set the clock source once the target is initialized.
1736 */
1737 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
1738 ar->running_fw->fw_file.fw_features)) {
1739 status = ath10k_bmi_write32(ar, hi_skip_clock_init, 1);
1740 if (status) {
1741 ath10k_err(ar, "could not write to skip_clock_init: %d\n",
1742 status);
1743 goto err;
1744 }
1745 }
1746
1747 status = ath10k_download_fw(ar);
1748 if (status)
1749 goto err;
1750
1751 status = ath10k_init_uart(ar);
1752 if (status)
1753 goto err;
1754
1755 ar->htc.htc_ops.target_send_suspend_complete =
1756 ath10k_send_suspend_complete;
1757
1758 status = ath10k_htc_init(ar);
1759 if (status) {
1760 ath10k_err(ar, "could not init HTC (%d)\n", status);
1761 goto err;
1762 }
1763
1764 status = ath10k_bmi_done(ar);
1765 if (status)
1766 goto err;
1767
1768 status = ath10k_wmi_attach(ar);
1769 if (status) {
1770 ath10k_err(ar, "WMI attach failed: %d\n", status);
1771 goto err;
1772 }
1773
1774 status = ath10k_htt_init(ar);
1775 if (status) {
1776 ath10k_err(ar, "failed to init htt: %d\n", status);
1777 goto err_wmi_detach;
1778 }
1779
1780 status = ath10k_htt_tx_alloc(&ar->htt);
1781 if (status) {
1782 ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
1783 goto err_wmi_detach;
1784 }
1785
1786 status = ath10k_htt_rx_alloc(&ar->htt);
1787 if (status) {
1788 ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
1789 goto err_htt_tx_detach;
1790 }
1791
1792 status = ath10k_hif_start(ar);
1793 if (status) {
1794 ath10k_err(ar, "could not start HIF: %d\n", status);
1795 goto err_htt_rx_detach;
1796 }
1797
1798 status = ath10k_htc_wait_target(&ar->htc);
1799 if (status) {
1800 ath10k_err(ar, "failed to connect to HTC: %d\n", status);
1801 goto err_hif_stop;
1802 }
1803
1804 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1805 status = ath10k_htt_connect(&ar->htt);
1806 if (status) {
1807 ath10k_err(ar, "failed to connect htt (%d)\n", status);
1808 goto err_hif_stop;
1809 }
1810 }
1811
1812 status = ath10k_wmi_connect(ar);
1813 if (status) {
1814 ath10k_err(ar, "could not connect wmi: %d\n", status);
1815 goto err_hif_stop;
1816 }
1817
1818 status = ath10k_htc_start(&ar->htc);
1819 if (status) {
1820 ath10k_err(ar, "failed to start htc: %d\n", status);
1821 goto err_hif_stop;
1822 }
1823
1824 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1825 status = ath10k_wmi_wait_for_service_ready(ar);
1826 if (status) {
1827 ath10k_warn(ar, "wmi service ready event not received");
1828 goto err_hif_stop;
1829 }
1830 }
1831
1832 ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
1833 ar->hw->wiphy->fw_version);
1834
1835 if (test_bit(WMI_SERVICE_EXT_RES_CFG_SUPPORT, ar->wmi.svc_map)) {
1836 val = 0;
1837 if (ath10k_peer_stats_enabled(ar))
1838 val = WMI_10_4_PEER_STATS;
1839
1840 if (test_bit(WMI_SERVICE_BSS_CHANNEL_INFO_64, ar->wmi.svc_map))
1841 val |= WMI_10_4_BSS_CHANNEL_INFO_64;
1842
1843 /* 10.4 firmware supports BT-Coex without reloading firmware
1844 * via pdev param. To support Bluetooth coexistence pdev param,
1845 * WMI_COEX_GPIO_SUPPORT of extended resource config should be
1846 * enabled always.
1847 */
1848 if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
1849 test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
1850 ar->running_fw->fw_file.fw_features))
1851 val |= WMI_10_4_COEX_GPIO_SUPPORT;
1852
1853 status = ath10k_mac_ext_resource_config(ar, val);
1854 if (status) {
1855 ath10k_err(ar,
1856 "failed to send ext resource cfg command : %d\n",
1857 status);
1858 goto err_hif_stop;
1859 }
1860 }
1861
1862 status = ath10k_wmi_cmd_init(ar);
1863 if (status) {
1864 ath10k_err(ar, "could not send WMI init command (%d)\n",
1865 status);
1866 goto err_hif_stop;
1867 }
1868
1869 status = ath10k_wmi_wait_for_unified_ready(ar);
1870 if (status) {
1871 ath10k_err(ar, "wmi unified ready event not received\n");
1872 goto err_hif_stop;
1873 }
1874
1875 /* If firmware indicates Full Rx Reorder support it must be used in a
1876 * slightly different manner. Let HTT code know.
1877 */
1878 ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
1879 ar->wmi.svc_map));
1880
1881 status = ath10k_htt_rx_ring_refill(ar);
1882 if (status) {
1883 ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
1884 goto err_hif_stop;
1885 }
1886
1887 ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
1888
1889 INIT_LIST_HEAD(&ar->arvifs);
1890
1891 /* we don't care about HTT in UTF mode */
1892 if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
1893 status = ath10k_htt_setup(&ar->htt);
1894 if (status) {
1895 ath10k_err(ar, "failed to setup htt: %d\n", status);
1896 goto err_hif_stop;
1897 }
1898 }
1899
1900 status = ath10k_debug_start(ar);
1901 if (status)
1902 goto err_hif_stop;
1903
1904 return 0;
1905
1906 err_hif_stop:
1907 ath10k_hif_stop(ar);
1908 err_htt_rx_detach:
1909 ath10k_htt_rx_free(&ar->htt);
1910 err_htt_tx_detach:
1911 ath10k_htt_tx_free(&ar->htt);
1912 err_wmi_detach:
1913 ath10k_wmi_detach(ar);
1914 err:
1915 return status;
1916 }
1917 EXPORT_SYMBOL(ath10k_core_start);
1918
1919 int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
1920 {
1921 int ret;
1922 unsigned long time_left;
1923
1924 reinit_completion(&ar->target_suspend);
1925
1926 ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
1927 if (ret) {
1928 ath10k_warn(ar, "could not suspend target (%d)\n", ret);
1929 return ret;
1930 }
1931
1932 time_left = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
1933
1934 if (!time_left) {
1935 ath10k_warn(ar, "suspend timed out - target pause event never came\n");
1936 return -ETIMEDOUT;
1937 }
1938
1939 return 0;
1940 }
1941
1942 void ath10k_core_stop(struct ath10k *ar)
1943 {
1944 lockdep_assert_held(&ar->conf_mutex);
1945 ath10k_debug_stop(ar);
1946
1947 /* try to suspend target */
1948 if (ar->state != ATH10K_STATE_RESTARTING &&
1949 ar->state != ATH10K_STATE_UTF)
1950 ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
1951
1952 ath10k_hif_stop(ar);
1953 ath10k_htt_tx_free(&ar->htt);
1954 ath10k_htt_rx_free(&ar->htt);
1955 ath10k_wmi_detach(ar);
1956 }
1957 EXPORT_SYMBOL(ath10k_core_stop);
1958
1959 /* mac80211 manages fw/hw initialization through start/stop hooks. However in
1960 * order to know what hw capabilities should be advertised to mac80211 it is
1961 * necessary to load the firmware (and tear it down immediately since start
1962 * hook will try to init it again) before registering */
1963 static int ath10k_core_probe_fw(struct ath10k *ar)
1964 {
1965 struct bmi_target_info target_info;
1966 int ret = 0;
1967
1968 ret = ath10k_hif_power_up(ar);
1969 if (ret) {
1970 ath10k_err(ar, "could not start pci hif (%d)\n", ret);
1971 return ret;
1972 }
1973
1974 memset(&target_info, 0, sizeof(target_info));
1975 ret = ath10k_bmi_get_target_info(ar, &target_info);
1976 if (ret) {
1977 ath10k_err(ar, "could not get target info (%d)\n", ret);
1978 goto err_power_down;
1979 }
1980
1981 ar->target_version = target_info.version;
1982 ar->hw->wiphy->hw_version = target_info.version;
1983
1984 ret = ath10k_init_hw_params(ar);
1985 if (ret) {
1986 ath10k_err(ar, "could not get hw params (%d)\n", ret);
1987 goto err_power_down;
1988 }
1989
1990 ret = ath10k_core_fetch_firmware_files(ar);
1991 if (ret) {
1992 ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
1993 goto err_power_down;
1994 }
1995
1996 BUILD_BUG_ON(sizeof(ar->hw->wiphy->fw_version) !=
1997 sizeof(ar->normal_mode_fw.fw_file.fw_version));
1998 memcpy(ar->hw->wiphy->fw_version, ar->normal_mode_fw.fw_file.fw_version,
1999 sizeof(ar->hw->wiphy->fw_version));
2000
2001 ath10k_debug_print_hwfw_info(ar);
2002
2003 ret = ath10k_core_pre_cal_download(ar);
2004 if (ret) {
2005 /* pre calibration data download is not necessary
2006 * for all the chipsets. Ignore failures and continue.
2007 */
2008 ath10k_dbg(ar, ATH10K_DBG_BOOT,
2009 "could not load pre cal data: %d\n", ret);
2010 }
2011
2012 ret = ath10k_core_get_board_id_from_otp(ar);
2013 if (ret && ret != -EOPNOTSUPP) {
2014 ath10k_err(ar, "failed to get board id from otp: %d\n",
2015 ret);
2016 goto err_free_firmware_files;
2017 }
2018
2019 ret = ath10k_core_fetch_board_file(ar);
2020 if (ret) {
2021 ath10k_err(ar, "failed to fetch board file: %d\n", ret);
2022 goto err_free_firmware_files;
2023 }
2024
2025 ath10k_debug_print_board_info(ar);
2026
2027 ret = ath10k_core_init_firmware_features(ar);
2028 if (ret) {
2029 ath10k_err(ar, "fatal problem with firmware features: %d\n",
2030 ret);
2031 goto err_free_firmware_files;
2032 }
2033
2034 ret = ath10k_swap_code_seg_init(ar);
2035 if (ret) {
2036 ath10k_err(ar, "failed to initialize code swap segment: %d\n",
2037 ret);
2038 goto err_free_firmware_files;
2039 }
2040
2041 mutex_lock(&ar->conf_mutex);
2042
2043 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL,
2044 &ar->normal_mode_fw);
2045 if (ret) {
2046 ath10k_err(ar, "could not init core (%d)\n", ret);
2047 goto err_unlock;
2048 }
2049
2050 ath10k_debug_print_boot_info(ar);
2051 ath10k_core_stop(ar);
2052
2053 mutex_unlock(&ar->conf_mutex);
2054
2055 ath10k_hif_power_down(ar);
2056 return 0;
2057
2058 err_unlock:
2059 mutex_unlock(&ar->conf_mutex);
2060
2061 err_free_firmware_files:
2062 ath10k_core_free_firmware_files(ar);
2063
2064 err_power_down:
2065 ath10k_hif_power_down(ar);
2066
2067 return ret;
2068 }
2069
2070 static void ath10k_core_register_work(struct work_struct *work)
2071 {
2072 struct ath10k *ar = container_of(work, struct ath10k, register_work);
2073 int status;
2074
2075 status = ath10k_core_probe_fw(ar);
2076 if (status) {
2077 ath10k_err(ar, "could not probe fw (%d)\n", status);
2078 goto err;
2079 }
2080
2081 status = ath10k_mac_register(ar);
2082 if (status) {
2083 ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
2084 goto err_release_fw;
2085 }
2086
2087 status = ath10k_debug_register(ar);
2088 if (status) {
2089 ath10k_err(ar, "unable to initialize debugfs\n");
2090 goto err_unregister_mac;
2091 }
2092
2093 status = ath10k_spectral_create(ar);
2094 if (status) {
2095 ath10k_err(ar, "failed to initialize spectral\n");
2096 goto err_debug_destroy;
2097 }
2098
2099 status = ath10k_thermal_register(ar);
2100 if (status) {
2101 ath10k_err(ar, "could not register thermal device: %d\n",
2102 status);
2103 goto err_spectral_destroy;
2104 }
2105
2106 set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
2107 return;
2108
2109 err_spectral_destroy:
2110 ath10k_spectral_destroy(ar);
2111 err_debug_destroy:
2112 ath10k_debug_destroy(ar);
2113 err_unregister_mac:
2114 ath10k_mac_unregister(ar);
2115 err_release_fw:
2116 ath10k_core_free_firmware_files(ar);
2117 err:
2118 /* TODO: It's probably a good idea to release device from the driver
2119 * but calling device_release_driver() here will cause a deadlock.
2120 */
2121 return;
2122 }
2123
2124 int ath10k_core_register(struct ath10k *ar, u32 chip_id)
2125 {
2126 ar->chip_id = chip_id;
2127 queue_work(ar->workqueue, &ar->register_work);
2128
2129 return 0;
2130 }
2131 EXPORT_SYMBOL(ath10k_core_register);
2132
2133 void ath10k_core_unregister(struct ath10k *ar)
2134 {
2135 cancel_work_sync(&ar->register_work);
2136
2137 if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
2138 return;
2139
2140 ath10k_thermal_unregister(ar);
2141 /* Stop spectral before unregistering from mac80211 to remove the
2142 * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
2143 * would be already be free'd recursively, leading to a double free.
2144 */
2145 ath10k_spectral_destroy(ar);
2146
2147 /* We must unregister from mac80211 before we stop HTC and HIF.
2148 * Otherwise we will fail to submit commands to FW and mac80211 will be
2149 * unhappy about callback failures. */
2150 ath10k_mac_unregister(ar);
2151
2152 ath10k_testmode_destroy(ar);
2153
2154 ath10k_core_free_firmware_files(ar);
2155 ath10k_core_free_board_files(ar);
2156
2157 ath10k_debug_unregister(ar);
2158 }
2159 EXPORT_SYMBOL(ath10k_core_unregister);
2160
2161 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
2162 enum ath10k_bus bus,
2163 enum ath10k_hw_rev hw_rev,
2164 const struct ath10k_hif_ops *hif_ops)
2165 {
2166 struct ath10k *ar;
2167 int ret;
2168
2169 ar = ath10k_mac_create(priv_size);
2170 if (!ar)
2171 return NULL;
2172
2173 ar->ath_common.priv = ar;
2174 ar->ath_common.hw = ar->hw;
2175 ar->dev = dev;
2176 ar->hw_rev = hw_rev;
2177 ar->hif.ops = hif_ops;
2178 ar->hif.bus = bus;
2179
2180 switch (hw_rev) {
2181 case ATH10K_HW_QCA988X:
2182 case ATH10K_HW_QCA9887:
2183 ar->regs = &qca988x_regs;
2184 ar->hw_values = &qca988x_values;
2185 break;
2186 case ATH10K_HW_QCA6174:
2187 case ATH10K_HW_QCA9377:
2188 ar->regs = &qca6174_regs;
2189 ar->hw_values = &qca6174_values;
2190 break;
2191 case ATH10K_HW_QCA99X0:
2192 case ATH10K_HW_QCA9984:
2193 ar->regs = &qca99x0_regs;
2194 ar->hw_values = &qca99x0_values;
2195 break;
2196 case ATH10K_HW_QCA9888:
2197 ar->regs = &qca99x0_regs;
2198 ar->hw_values = &qca9888_values;
2199 break;
2200 case ATH10K_HW_QCA4019:
2201 ar->regs = &qca4019_regs;
2202 ar->hw_values = &qca4019_values;
2203 break;
2204 default:
2205 ath10k_err(ar, "unsupported core hardware revision %d\n",
2206 hw_rev);
2207 ret = -ENOTSUPP;
2208 goto err_free_mac;
2209 }
2210
2211 init_completion(&ar->scan.started);
2212 init_completion(&ar->scan.completed);
2213 init_completion(&ar->scan.on_channel);
2214 init_completion(&ar->target_suspend);
2215 init_completion(&ar->wow.wakeup_completed);
2216
2217 init_completion(&ar->install_key_done);
2218 init_completion(&ar->vdev_setup_done);
2219 init_completion(&ar->thermal.wmi_sync);
2220 init_completion(&ar->bss_survey_done);
2221
2222 INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
2223
2224 ar->workqueue = create_singlethread_workqueue("ath10k_wq");
2225 if (!ar->workqueue)
2226 goto err_free_mac;
2227
2228 ar->workqueue_aux = create_singlethread_workqueue("ath10k_aux_wq");
2229 if (!ar->workqueue_aux)
2230 goto err_free_wq;
2231
2232 mutex_init(&ar->conf_mutex);
2233 spin_lock_init(&ar->data_lock);
2234 spin_lock_init(&ar->txqs_lock);
2235
2236 INIT_LIST_HEAD(&ar->txqs);
2237 INIT_LIST_HEAD(&ar->peers);
2238 init_waitqueue_head(&ar->peer_mapping_wq);
2239 init_waitqueue_head(&ar->htt.empty_tx_wq);
2240 init_waitqueue_head(&ar->wmi.tx_credits_wq);
2241
2242 init_completion(&ar->offchan_tx_completed);
2243 INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
2244 skb_queue_head_init(&ar->offchan_tx_queue);
2245
2246 INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
2247 skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
2248
2249 INIT_WORK(&ar->register_work, ath10k_core_register_work);
2250 INIT_WORK(&ar->restart_work, ath10k_core_restart);
2251
2252 ret = ath10k_debug_create(ar);
2253 if (ret)
2254 goto err_free_aux_wq;
2255
2256 return ar;
2257
2258 err_free_aux_wq:
2259 destroy_workqueue(ar->workqueue_aux);
2260 err_free_wq:
2261 destroy_workqueue(ar->workqueue);
2262
2263 err_free_mac:
2264 ath10k_mac_destroy(ar);
2265
2266 return NULL;
2267 }
2268 EXPORT_SYMBOL(ath10k_core_create);
2269
2270 void ath10k_core_destroy(struct ath10k *ar)
2271 {
2272 flush_workqueue(ar->workqueue);
2273 destroy_workqueue(ar->workqueue);
2274
2275 flush_workqueue(ar->workqueue_aux);
2276 destroy_workqueue(ar->workqueue_aux);
2277
2278 ath10k_debug_destroy(ar);
2279 ath10k_wmi_free_host_mem(ar);
2280 ath10k_mac_destroy(ar);
2281 }
2282 EXPORT_SYMBOL(ath10k_core_destroy);
2283
2284 MODULE_AUTHOR("Qualcomm Atheros");
2285 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ac wireless LAN cards.");
2286 MODULE_LICENSE("Dual BSD/GPL");
(deprecated) Btrfs devel tree