1
2
3
4
5
6#include <linux/completion.h>
7#include <linux/device.h>
8#include <linux/debugfs.h>
9#include <linux/idr.h>
10#include <linux/kernel.h>
11#include <linux/of.h>
12#include <linux/of_address.h>
13#include <linux/module.h>
14#include <linux/net.h>
15#include <linux/platform_device.h>
16#include <linux/qcom_scm.h>
17#include <linux/string.h>
18#include <net/sock.h>
19
20#include "debug.h"
21#include "snoc.h"
22
23#define ATH10K_QMI_CLIENT_ID 0x4b4e454c
24#define ATH10K_QMI_TIMEOUT 30
25
26static int ath10k_qmi_map_msa_permission(struct ath10k_qmi *qmi,
27 struct ath10k_msa_mem_info *mem_info)
28{
29 struct qcom_scm_vmperm dst_perms[3];
30 struct ath10k *ar = qmi->ar;
31 unsigned int src_perms;
32 u32 perm_count;
33 int ret;
34
35 src_perms = BIT(QCOM_SCM_VMID_HLOS);
36
37 dst_perms[0].vmid = QCOM_SCM_VMID_MSS_MSA;
38 dst_perms[0].perm = QCOM_SCM_PERM_RW;
39 dst_perms[1].vmid = QCOM_SCM_VMID_WLAN;
40 dst_perms[1].perm = QCOM_SCM_PERM_RW;
41
42 if (mem_info->secure) {
43 perm_count = 2;
44 } else {
45 dst_perms[2].vmid = QCOM_SCM_VMID_WLAN_CE;
46 dst_perms[2].perm = QCOM_SCM_PERM_RW;
47 perm_count = 3;
48 }
49
50 ret = qcom_scm_assign_mem(mem_info->addr, mem_info->size,
51 &src_perms, dst_perms, perm_count);
52 if (ret < 0)
53 ath10k_err(ar, "failed to assign msa map permissions: %d\n", ret);
54
55 return ret;
56}
57
58static int ath10k_qmi_unmap_msa_permission(struct ath10k_qmi *qmi,
59 struct ath10k_msa_mem_info *mem_info)
60{
61 struct qcom_scm_vmperm dst_perms;
62 struct ath10k *ar = qmi->ar;
63 unsigned int src_perms;
64 int ret;
65
66 src_perms = BIT(QCOM_SCM_VMID_MSS_MSA) | BIT(QCOM_SCM_VMID_WLAN);
67
68 if (!mem_info->secure)
69 src_perms |= BIT(QCOM_SCM_VMID_WLAN_CE);
70
71 dst_perms.vmid = QCOM_SCM_VMID_HLOS;
72 dst_perms.perm = QCOM_SCM_PERM_RW;
73
74 ret = qcom_scm_assign_mem(mem_info->addr, mem_info->size,
75 &src_perms, &dst_perms, 1);
76 if (ret < 0)
77 ath10k_err(ar, "failed to unmap msa permissions: %d\n", ret);
78
79 return ret;
80}
81
82static int ath10k_qmi_setup_msa_permissions(struct ath10k_qmi *qmi)
83{
84 int ret;
85 int i;
86
87 for (i = 0; i < qmi->nr_mem_region; i++) {
88 ret = ath10k_qmi_map_msa_permission(qmi, &qmi->mem_region[i]);
89 if (ret)
90 goto err_unmap;
91 }
92
93 return 0;
94
95err_unmap:
96 for (i--; i >= 0; i--)
97 ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]);
98 return ret;
99}
100
101static void ath10k_qmi_remove_msa_permission(struct ath10k_qmi *qmi)
102{
103 int i;
104
105 for (i = 0; i < qmi->nr_mem_region; i++)
106 ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]);
107}
108
109static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
110{
111 struct wlfw_msa_info_resp_msg_v01 resp = {};
112 struct wlfw_msa_info_req_msg_v01 req = {};
113 struct ath10k *ar = qmi->ar;
114 struct qmi_txn txn;
115 int ret;
116 int i;
117
118 req.msa_addr = qmi->msa_pa;
119 req.size = qmi->msa_mem_size;
120
121 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
122 wlfw_msa_info_resp_msg_v01_ei, &resp);
123 if (ret < 0)
124 goto out;
125
126 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
127 QMI_WLFW_MSA_INFO_REQ_V01,
128 WLFW_MSA_INFO_REQ_MSG_V01_MAX_MSG_LEN,
129 wlfw_msa_info_req_msg_v01_ei, &req);
130 if (ret < 0) {
131 qmi_txn_cancel(&txn);
132 ath10k_err(ar, "failed to send msa mem info req: %d\n", ret);
133 goto out;
134 }
135
136 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
137 if (ret < 0)
138 goto out;
139
140 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
141 ath10k_err(ar, "msa info req rejected: %d\n", resp.resp.error);
142 ret = -EINVAL;
143 goto out;
144 }
145
146 if (resp.mem_region_info_len > QMI_WLFW_MAX_MEM_REG_V01) {
147 ath10k_err(ar, "invalid memory region length received: %d\n",
148 resp.mem_region_info_len);
149 ret = -EINVAL;
150 goto out;
151 }
152
153 qmi->nr_mem_region = resp.mem_region_info_len;
154 for (i = 0; i < resp.mem_region_info_len; i++) {
155 qmi->mem_region[i].addr = resp.mem_region_info[i].region_addr;
156 qmi->mem_region[i].size = resp.mem_region_info[i].size;
157 qmi->mem_region[i].secure = resp.mem_region_info[i].secure_flag;
158 ath10k_dbg(ar, ATH10K_DBG_QMI,
159 "qmi msa mem region %d addr 0x%pa size 0x%x flag 0x%08x\n",
160 i, &qmi->mem_region[i].addr,
161 qmi->mem_region[i].size,
162 qmi->mem_region[i].secure);
163 }
164
165 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem info request completed\n");
166 return 0;
167
168out:
169 return ret;
170}
171
172static int ath10k_qmi_msa_ready_send_sync_msg(struct ath10k_qmi *qmi)
173{
174 struct wlfw_msa_ready_resp_msg_v01 resp = {};
175 struct wlfw_msa_ready_req_msg_v01 req = {};
176 struct ath10k *ar = qmi->ar;
177 struct qmi_txn txn;
178 int ret;
179
180 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
181 wlfw_msa_ready_resp_msg_v01_ei, &resp);
182 if (ret < 0)
183 goto out;
184
185 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
186 QMI_WLFW_MSA_READY_REQ_V01,
187 WLFW_MSA_READY_REQ_MSG_V01_MAX_MSG_LEN,
188 wlfw_msa_ready_req_msg_v01_ei, &req);
189 if (ret < 0) {
190 qmi_txn_cancel(&txn);
191 ath10k_err(ar, "failed to send msa mem ready request: %d\n", ret);
192 goto out;
193 }
194
195 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
196 if (ret < 0)
197 goto out;
198
199 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
200 ath10k_err(ar, "msa ready request rejected: %d\n", resp.resp.error);
201 ret = -EINVAL;
202 }
203
204 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem ready request completed\n");
205 return 0;
206
207out:
208 return ret;
209}
210
211static int ath10k_qmi_bdf_dnld_send_sync(struct ath10k_qmi *qmi)
212{
213 struct wlfw_bdf_download_resp_msg_v01 resp = {};
214 struct wlfw_bdf_download_req_msg_v01 *req;
215 struct ath10k *ar = qmi->ar;
216 unsigned int remaining;
217 struct qmi_txn txn;
218 const u8 *temp;
219 int ret;
220
221 req = kzalloc(sizeof(*req), GFP_KERNEL);
222 if (!req)
223 return -ENOMEM;
224
225 temp = ar->normal_mode_fw.board_data;
226 remaining = ar->normal_mode_fw.board_len;
227
228 while (remaining) {
229 req->valid = 1;
230 req->file_id_valid = 1;
231 req->file_id = 0;
232 req->total_size_valid = 1;
233 req->total_size = ar->normal_mode_fw.board_len;
234 req->seg_id_valid = 1;
235 req->data_valid = 1;
236 req->end_valid = 1;
237
238 if (remaining > QMI_WLFW_MAX_DATA_SIZE_V01) {
239 req->data_len = QMI_WLFW_MAX_DATA_SIZE_V01;
240 } else {
241 req->data_len = remaining;
242 req->end = 1;
243 }
244
245 memcpy(req->data, temp, req->data_len);
246
247 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
248 wlfw_bdf_download_resp_msg_v01_ei,
249 &resp);
250 if (ret < 0)
251 goto out;
252
253 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
254 QMI_WLFW_BDF_DOWNLOAD_REQ_V01,
255 WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
256 wlfw_bdf_download_req_msg_v01_ei, req);
257 if (ret < 0) {
258 qmi_txn_cancel(&txn);
259 goto out;
260 }
261
262 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
263
264 if (ret < 0)
265 goto out;
266
267 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
268 ath10k_err(ar, "failed to download board data file: %d\n",
269 resp.resp.error);
270 ret = -EINVAL;
271 goto out;
272 }
273
274 remaining -= req->data_len;
275 temp += req->data_len;
276 req->seg_id++;
277 }
278
279 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi bdf download request completed\n");
280
281 kfree(req);
282 return 0;
283
284out:
285 kfree(req);
286 return ret;
287}
288
289static int ath10k_qmi_send_cal_report_req(struct ath10k_qmi *qmi)
290{
291 struct wlfw_cal_report_resp_msg_v01 resp = {};
292 struct wlfw_cal_report_req_msg_v01 req = {};
293 struct ath10k *ar = qmi->ar;
294 struct qmi_txn txn;
295 int i, j = 0;
296 int ret;
297
298 ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_cal_report_resp_msg_v01_ei,
299 &resp);
300 if (ret < 0)
301 goto out;
302
303 for (i = 0; i < QMI_WLFW_MAX_NUM_CAL_V01; i++) {
304 if (qmi->cal_data[i].total_size &&
305 qmi->cal_data[i].data) {
306 req.meta_data[j] = qmi->cal_data[i].cal_id;
307 j++;
308 }
309 }
310 req.meta_data_len = j;
311
312 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
313 QMI_WLFW_CAL_REPORT_REQ_V01,
314 WLFW_CAL_REPORT_REQ_MSG_V01_MAX_MSG_LEN,
315 wlfw_cal_report_req_msg_v01_ei, &req);
316 if (ret < 0) {
317 qmi_txn_cancel(&txn);
318 ath10k_err(ar, "failed to send calibration request: %d\n", ret);
319 goto out;
320 }
321
322 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
323 if (ret < 0)
324 goto out;
325
326 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
327 ath10k_err(ar, "calibration request rejected: %d\n", resp.resp.error);
328 ret = -EINVAL;
329 goto out;
330 }
331
332 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi cal report request completed\n");
333 return 0;
334
335out:
336 return ret;
337}
338
339static int
340ath10k_qmi_mode_send_sync_msg(struct ath10k *ar, enum wlfw_driver_mode_enum_v01 mode)
341{
342 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
343 struct ath10k_qmi *qmi = ar_snoc->qmi;
344 struct wlfw_wlan_mode_resp_msg_v01 resp = {};
345 struct wlfw_wlan_mode_req_msg_v01 req = {};
346 struct qmi_txn txn;
347 int ret;
348
349 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
350 wlfw_wlan_mode_resp_msg_v01_ei,
351 &resp);
352 if (ret < 0)
353 goto out;
354
355 req.mode = mode;
356 req.hw_debug_valid = 1;
357 req.hw_debug = 0;
358
359 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
360 QMI_WLFW_WLAN_MODE_REQ_V01,
361 WLFW_WLAN_MODE_REQ_MSG_V01_MAX_MSG_LEN,
362 wlfw_wlan_mode_req_msg_v01_ei, &req);
363 if (ret < 0) {
364 qmi_txn_cancel(&txn);
365 ath10k_err(ar, "failed to send wlan mode %d request: %d\n", mode, ret);
366 goto out;
367 }
368
369 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
370 if (ret < 0)
371 goto out;
372
373 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
374 ath10k_err(ar, "more request rejected: %d\n", resp.resp.error);
375 ret = -EINVAL;
376 goto out;
377 }
378
379 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wlan mode req completed: %d\n", mode);
380 return 0;
381
382out:
383 return ret;
384}
385
386static int
387ath10k_qmi_cfg_send_sync_msg(struct ath10k *ar,
388 struct ath10k_qmi_wlan_enable_cfg *config,
389 const char *version)
390{
391 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
392 struct ath10k_qmi *qmi = ar_snoc->qmi;
393 struct wlfw_wlan_cfg_resp_msg_v01 resp = {};
394 struct wlfw_wlan_cfg_req_msg_v01 *req;
395 struct qmi_txn txn;
396 int ret;
397 u32 i;
398
399 req = kzalloc(sizeof(*req), GFP_KERNEL);
400 if (!req)
401 return -ENOMEM;
402
403 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
404 wlfw_wlan_cfg_resp_msg_v01_ei,
405 &resp);
406 if (ret < 0)
407 goto out;
408
409 req->host_version_valid = 0;
410
411 req->tgt_cfg_valid = 1;
412 if (config->num_ce_tgt_cfg > QMI_WLFW_MAX_NUM_CE_V01)
413 req->tgt_cfg_len = QMI_WLFW_MAX_NUM_CE_V01;
414 else
415 req->tgt_cfg_len = config->num_ce_tgt_cfg;
416 for (i = 0; i < req->tgt_cfg_len; i++) {
417 req->tgt_cfg[i].pipe_num = config->ce_tgt_cfg[i].pipe_num;
418 req->tgt_cfg[i].pipe_dir = config->ce_tgt_cfg[i].pipe_dir;
419 req->tgt_cfg[i].nentries = config->ce_tgt_cfg[i].nentries;
420 req->tgt_cfg[i].nbytes_max = config->ce_tgt_cfg[i].nbytes_max;
421 req->tgt_cfg[i].flags = config->ce_tgt_cfg[i].flags;
422 }
423
424 req->svc_cfg_valid = 1;
425 if (config->num_ce_svc_pipe_cfg > QMI_WLFW_MAX_NUM_SVC_V01)
426 req->svc_cfg_len = QMI_WLFW_MAX_NUM_SVC_V01;
427 else
428 req->svc_cfg_len = config->num_ce_svc_pipe_cfg;
429 for (i = 0; i < req->svc_cfg_len; i++) {
430 req->svc_cfg[i].service_id = config->ce_svc_cfg[i].service_id;
431 req->svc_cfg[i].pipe_dir = config->ce_svc_cfg[i].pipe_dir;
432 req->svc_cfg[i].pipe_num = config->ce_svc_cfg[i].pipe_num;
433 }
434
435 req->shadow_reg_valid = 1;
436 if (config->num_shadow_reg_cfg >
437 QMI_WLFW_MAX_NUM_SHADOW_REG_V01)
438 req->shadow_reg_len = QMI_WLFW_MAX_NUM_SHADOW_REG_V01;
439 else
440 req->shadow_reg_len = config->num_shadow_reg_cfg;
441
442 memcpy(req->shadow_reg, config->shadow_reg_cfg,
443 sizeof(struct wlfw_shadow_reg_cfg_s_v01) * req->shadow_reg_len);
444
445 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
446 QMI_WLFW_WLAN_CFG_REQ_V01,
447 WLFW_WLAN_CFG_REQ_MSG_V01_MAX_MSG_LEN,
448 wlfw_wlan_cfg_req_msg_v01_ei, req);
449 if (ret < 0) {
450 qmi_txn_cancel(&txn);
451 ath10k_err(ar, "failed to send config request: %d\n", ret);
452 goto out;
453 }
454
455 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
456 if (ret < 0)
457 goto out;
458
459 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
460 ath10k_err(ar, "config request rejected: %d\n", resp.resp.error);
461 ret = -EINVAL;
462 goto out;
463 }
464
465 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi config request completed\n");
466 kfree(req);
467 return 0;
468
469out:
470 kfree(req);
471 return ret;
472}
473
474int ath10k_qmi_wlan_enable(struct ath10k *ar,
475 struct ath10k_qmi_wlan_enable_cfg *config,
476 enum wlfw_driver_mode_enum_v01 mode,
477 const char *version)
478{
479 int ret;
480
481 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi mode %d config %p\n",
482 mode, config);
483
484 ret = ath10k_qmi_cfg_send_sync_msg(ar, config, version);
485 if (ret) {
486 ath10k_err(ar, "failed to send qmi config: %d\n", ret);
487 return ret;
488 }
489
490 ret = ath10k_qmi_mode_send_sync_msg(ar, mode);
491 if (ret) {
492 ath10k_err(ar, "failed to send qmi mode: %d\n", ret);
493 return ret;
494 }
495
496 return 0;
497}
498
499int ath10k_qmi_wlan_disable(struct ath10k *ar)
500{
501 return ath10k_qmi_mode_send_sync_msg(ar, QMI_WLFW_OFF_V01);
502}
503
504static int ath10k_qmi_cap_send_sync_msg(struct ath10k_qmi *qmi)
505{
506 struct wlfw_cap_resp_msg_v01 *resp;
507 struct wlfw_cap_req_msg_v01 req = {};
508 struct ath10k *ar = qmi->ar;
509 struct qmi_txn txn;
510 int ret;
511
512 resp = kzalloc(sizeof(*resp), GFP_KERNEL);
513 if (!resp)
514 return -ENOMEM;
515
516 ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_cap_resp_msg_v01_ei, resp);
517 if (ret < 0)
518 goto out;
519
520 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
521 QMI_WLFW_CAP_REQ_V01,
522 WLFW_CAP_REQ_MSG_V01_MAX_MSG_LEN,
523 wlfw_cap_req_msg_v01_ei, &req);
524 if (ret < 0) {
525 qmi_txn_cancel(&txn);
526 ath10k_err(ar, "failed to send capability request: %d\n", ret);
527 goto out;
528 }
529
530 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
531 if (ret < 0)
532 goto out;
533
534 if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
535 ath10k_err(ar, "capability req rejected: %d\n", resp->resp.error);
536 ret = -EINVAL;
537 goto out;
538 }
539
540 if (resp->chip_info_valid) {
541 qmi->chip_info.chip_id = resp->chip_info.chip_id;
542 qmi->chip_info.chip_family = resp->chip_info.chip_family;
543 }
544
545 if (resp->board_info_valid)
546 qmi->board_info.board_id = resp->board_info.board_id;
547 else
548 qmi->board_info.board_id = 0xFF;
549
550 if (resp->soc_info_valid)
551 qmi->soc_info.soc_id = resp->soc_info.soc_id;
552
553 if (resp->fw_version_info_valid) {
554 qmi->fw_version = resp->fw_version_info.fw_version;
555 strlcpy(qmi->fw_build_timestamp, resp->fw_version_info.fw_build_timestamp,
556 sizeof(qmi->fw_build_timestamp));
557 }
558
559 if (resp->fw_build_id_valid)
560 strlcpy(qmi->fw_build_id, resp->fw_build_id,
561 MAX_BUILD_ID_LEN + 1);
562
563 ath10k_dbg(ar, ATH10K_DBG_QMI,
564 "qmi chip_id 0x%x chip_family 0x%x board_id 0x%x soc_id 0x%x",
565 qmi->chip_info.chip_id, qmi->chip_info.chip_family,
566 qmi->board_info.board_id, qmi->soc_info.soc_id);
567 ath10k_dbg(ar, ATH10K_DBG_QMI,
568 "qmi fw_version 0x%x fw_build_timestamp %s fw_build_id %s",
569 qmi->fw_version, qmi->fw_build_timestamp, qmi->fw_build_id);
570
571 kfree(resp);
572 return 0;
573
574out:
575 kfree(resp);
576 return ret;
577}
578
579static int ath10k_qmi_host_cap_send_sync(struct ath10k_qmi *qmi)
580{
581 struct wlfw_host_cap_resp_msg_v01 resp = {};
582 struct wlfw_host_cap_req_msg_v01 req = {};
583 struct ath10k *ar = qmi->ar;
584 struct qmi_txn txn;
585 int ret;
586
587 req.daemon_support_valid = 1;
588 req.daemon_support = 0;
589
590 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
591 wlfw_host_cap_resp_msg_v01_ei, &resp);
592 if (ret < 0)
593 goto out;
594
595 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
596 QMI_WLFW_HOST_CAP_REQ_V01,
597 WLFW_HOST_CAP_REQ_MSG_V01_MAX_MSG_LEN,
598 wlfw_host_cap_req_msg_v01_ei, &req);
599 if (ret < 0) {
600 qmi_txn_cancel(&txn);
601 ath10k_err(ar, "failed to send host capability request: %d\n", ret);
602 goto out;
603 }
604
605 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
606 if (ret < 0)
607 goto out;
608
609 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
610 ath10k_err(ar, "host capability request rejected: %d\n", resp.resp.error);
611 ret = -EINVAL;
612 goto out;
613 }
614
615 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi host capability request completed\n");
616 return 0;
617
618out:
619 return ret;
620}
621
622static int
623ath10k_qmi_ind_register_send_sync_msg(struct ath10k_qmi *qmi)
624{
625 struct wlfw_ind_register_resp_msg_v01 resp = {};
626 struct wlfw_ind_register_req_msg_v01 req = {};
627 struct ath10k *ar = qmi->ar;
628 struct qmi_txn txn;
629 int ret;
630
631 req.client_id_valid = 1;
632 req.client_id = ATH10K_QMI_CLIENT_ID;
633 req.fw_ready_enable_valid = 1;
634 req.fw_ready_enable = 1;
635 req.msa_ready_enable_valid = 1;
636 req.msa_ready_enable = 1;
637
638 ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
639 wlfw_ind_register_resp_msg_v01_ei, &resp);
640 if (ret < 0)
641 goto out;
642
643 ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
644 QMI_WLFW_IND_REGISTER_REQ_V01,
645 WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN,
646 wlfw_ind_register_req_msg_v01_ei, &req);
647 if (ret < 0) {
648 qmi_txn_cancel(&txn);
649 ath10k_err(ar, "failed to send indication registered request: %d\n", ret);
650 goto out;
651 }
652
653 ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
654 if (ret < 0)
655 goto out;
656
657 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
658 ath10k_err(ar, "indication request rejected: %d\n", resp.resp.error);
659 ret = -EINVAL;
660 goto out;
661 }
662
663 if (resp.fw_status_valid) {
664 if (resp.fw_status & QMI_WLFW_FW_READY_V01)
665 qmi->fw_ready = true;
666 }
667 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi indication register request completed\n");
668 return 0;
669
670out:
671 return ret;
672}
673
674static void ath10k_qmi_event_server_arrive(struct ath10k_qmi *qmi)
675{
676 struct ath10k *ar = qmi->ar;
677 int ret;
678
679 ret = ath10k_qmi_ind_register_send_sync_msg(qmi);
680 if (ret)
681 return;
682
683 if (qmi->fw_ready) {
684 ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND);
685 return;
686 }
687
688 ret = ath10k_qmi_host_cap_send_sync(qmi);
689 if (ret)
690 return;
691
692 ret = ath10k_qmi_msa_mem_info_send_sync_msg(qmi);
693 if (ret)
694 return;
695
696 ret = ath10k_qmi_setup_msa_permissions(qmi);
697 if (ret)
698 return;
699
700 ret = ath10k_qmi_msa_ready_send_sync_msg(qmi);
701 if (ret)
702 goto err_setup_msa;
703
704 ret = ath10k_qmi_cap_send_sync_msg(qmi);
705 if (ret)
706 goto err_setup_msa;
707
708 return;
709
710err_setup_msa:
711 ath10k_qmi_remove_msa_permission(qmi);
712}
713
714static int ath10k_qmi_fetch_board_file(struct ath10k_qmi *qmi)
715{
716 struct ath10k *ar = qmi->ar;
717
718 ar->hif.bus = ATH10K_BUS_SNOC;
719 ar->id.qmi_ids_valid = true;
720 ar->id.qmi_board_id = qmi->board_info.board_id;
721 ar->hw_params.fw.dir = WCN3990_HW_1_0_FW_DIR;
722
723 return ath10k_core_fetch_board_file(qmi->ar, ATH10K_BD_IE_BOARD);
724}
725
726static int
727ath10k_qmi_driver_event_post(struct ath10k_qmi *qmi,
728 enum ath10k_qmi_driver_event_type type,
729 void *data)
730{
731 struct ath10k_qmi_driver_event *event;
732
733 event = kzalloc(sizeof(*event), GFP_ATOMIC);
734 if (!event)
735 return -ENOMEM;
736
737 event->type = type;
738 event->data = data;
739
740 spin_lock(&qmi->event_lock);
741 list_add_tail(&event->list, &qmi->event_list);
742 spin_unlock(&qmi->event_lock);
743
744 queue_work(qmi->event_wq, &qmi->event_work);
745
746 return 0;
747}
748
749static void ath10k_qmi_event_server_exit(struct ath10k_qmi *qmi)
750{
751 struct ath10k *ar = qmi->ar;
752
753 ath10k_qmi_remove_msa_permission(qmi);
754 ath10k_core_free_board_files(ar);
755 ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_DOWN_IND);
756 ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service disconnected\n");
757}
758
759static void ath10k_qmi_event_msa_ready(struct ath10k_qmi *qmi)
760{
761 int ret;
762
763 ret = ath10k_qmi_fetch_board_file(qmi);
764 if (ret)
765 goto out;
766
767 ret = ath10k_qmi_bdf_dnld_send_sync(qmi);
768 if (ret)
769 goto out;
770
771 ret = ath10k_qmi_send_cal_report_req(qmi);
772
773out:
774 return;
775}
776
777static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi)
778{
779 struct ath10k *ar = qmi->ar;
780
781 ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw ready event received\n");
782 ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND);
783
784 return 0;
785}
786
787static void ath10k_qmi_fw_ready_ind(struct qmi_handle *qmi_hdl,
788 struct sockaddr_qrtr *sq,
789 struct qmi_txn *txn, const void *data)
790{
791 struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
792
793 ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_FW_READY_IND, NULL);
794}
795
796static void ath10k_qmi_msa_ready_ind(struct qmi_handle *qmi_hdl,
797 struct sockaddr_qrtr *sq,
798 struct qmi_txn *txn, const void *data)
799{
800 struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
801
802 ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_MSA_READY_IND, NULL);
803}
804
805static struct qmi_msg_handler qmi_msg_handler[] = {
806 {
807 .type = QMI_INDICATION,
808 .msg_id = QMI_WLFW_FW_READY_IND_V01,
809 .ei = wlfw_fw_ready_ind_msg_v01_ei,
810 .decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01),
811 .fn = ath10k_qmi_fw_ready_ind,
812 },
813 {
814 .type = QMI_INDICATION,
815 .msg_id = QMI_WLFW_MSA_READY_IND_V01,
816 .ei = wlfw_msa_ready_ind_msg_v01_ei,
817 .decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01),
818 .fn = ath10k_qmi_msa_ready_ind,
819 },
820 {}
821};
822
823static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl,
824 struct qmi_service *service)
825{
826 struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
827 struct sockaddr_qrtr *sq = &qmi->sq;
828 struct ath10k *ar = qmi->ar;
829 int ret;
830
831 sq->sq_family = AF_QIPCRTR;
832 sq->sq_node = service->node;
833 sq->sq_port = service->port;
834
835 ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service found\n");
836
837 ret = kernel_connect(qmi_hdl->sock, (struct sockaddr *)&qmi->sq,
838 sizeof(qmi->sq), 0);
839 if (ret) {
840 ath10k_err(ar, "failed to connect to a remote QMI service port\n");
841 return ret;
842 }
843
844 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wifi fw qmi service connected\n");
845 ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_ARRIVE, NULL);
846
847 return ret;
848}
849
850static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
851 struct qmi_service *service)
852{
853 struct ath10k_qmi *qmi =
854 container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
855
856 qmi->fw_ready = false;
857 ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_EXIT, NULL);
858}
859
860static struct qmi_ops ath10k_qmi_ops = {
861 .new_server = ath10k_qmi_new_server,
862 .del_server = ath10k_qmi_del_server,
863};
864
865static void ath10k_qmi_driver_event_work(struct work_struct *work)
866{
867 struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi,
868 event_work);
869 struct ath10k_qmi_driver_event *event;
870 struct ath10k *ar = qmi->ar;
871
872 spin_lock(&qmi->event_lock);
873 while (!list_empty(&qmi->event_list)) {
874 event = list_first_entry(&qmi->event_list,
875 struct ath10k_qmi_driver_event, list);
876 list_del(&event->list);
877 spin_unlock(&qmi->event_lock);
878
879 switch (event->type) {
880 case ATH10K_QMI_EVENT_SERVER_ARRIVE:
881 ath10k_qmi_event_server_arrive(qmi);
882 break;
883 case ATH10K_QMI_EVENT_SERVER_EXIT:
884 ath10k_qmi_event_server_exit(qmi);
885 break;
886 case ATH10K_QMI_EVENT_FW_READY_IND:
887 ath10k_qmi_event_fw_ready_ind(qmi);
888 break;
889 case ATH10K_QMI_EVENT_MSA_READY_IND:
890 ath10k_qmi_event_msa_ready(qmi);
891 break;
892 default:
893 ath10k_warn(ar, "invalid event type: %d", event->type);
894 break;
895 }
896 kfree(event);
897 spin_lock(&qmi->event_lock);
898 }
899 spin_unlock(&qmi->event_lock);
900}
901
902static int ath10k_qmi_setup_msa_resources(struct ath10k_qmi *qmi, u32 msa_size)
903{
904 struct ath10k *ar = qmi->ar;
905 struct device *dev = ar->dev;
906 struct device_node *node;
907 struct resource r;
908 int ret;
909
910 node = of_parse_phandle(dev->of_node, "memory-region", 0);
911 if (node) {
912 ret = of_address_to_resource(node, 0, &r);
913 if (ret) {
914 dev_err(dev, "failed to resolve msa fixed region\n");
915 return ret;
916 }
917 of_node_put(node);
918
919 qmi->msa_pa = r.start;
920 qmi->msa_mem_size = resource_size(&r);
921 qmi->msa_va = devm_memremap(dev, qmi->msa_pa, qmi->msa_mem_size,
922 MEMREMAP_WT);
923 if (IS_ERR(qmi->msa_va)) {
924 dev_err(dev, "failed to map memory region: %pa\n", &r.start);
925 return PTR_ERR(qmi->msa_va);
926 }
927 } else {
928 qmi->msa_va = dmam_alloc_coherent(dev, msa_size,
929 &qmi->msa_pa, GFP_KERNEL);
930 if (!qmi->msa_va) {
931 ath10k_err(ar, "failed to allocate dma memory for msa region\n");
932 return -ENOMEM;
933 }
934 qmi->msa_mem_size = msa_size;
935 }
936
937 ath10k_dbg(ar, ATH10K_DBG_QMI, "msa pa: %pad , msa va: 0x%p\n",
938 &qmi->msa_pa,
939 qmi->msa_va);
940
941 return 0;
942}
943
944int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
945{
946 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
947 struct ath10k_qmi *qmi;
948 int ret;
949
950 qmi = kzalloc(sizeof(*qmi), GFP_KERNEL);
951 if (!qmi)
952 return -ENOMEM;
953
954 qmi->ar = ar;
955 ar_snoc->qmi = qmi;
956
957 ret = ath10k_qmi_setup_msa_resources(qmi, msa_size);
958 if (ret)
959 goto err;
960
961 ret = qmi_handle_init(&qmi->qmi_hdl,
962 WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
963 &ath10k_qmi_ops, qmi_msg_handler);
964 if (ret)
965 goto err;
966
967 qmi->event_wq = alloc_workqueue("ath10k_qmi_driver_event",
968 WQ_UNBOUND, 1);
969 if (!qmi->event_wq) {
970 ath10k_err(ar, "failed to allocate workqueue\n");
971 ret = -EFAULT;
972 goto err_release_qmi_handle;
973 }
974
975 INIT_LIST_HEAD(&qmi->event_list);
976 spin_lock_init(&qmi->event_lock);
977 INIT_WORK(&qmi->event_work, ath10k_qmi_driver_event_work);
978
979 ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01,
980 WLFW_SERVICE_VERS_V01, 0);
981 if (ret)
982 goto err_qmi_lookup;
983
984 return 0;
985
986err_qmi_lookup:
987 destroy_workqueue(qmi->event_wq);
988
989err_release_qmi_handle:
990 qmi_handle_release(&qmi->qmi_hdl);
991
992err:
993 kfree(qmi);
994 return ret;
995}
996
997int ath10k_qmi_deinit(struct ath10k *ar)
998{
999 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
1000 struct ath10k_qmi *qmi = ar_snoc->qmi;
1001
1002 qmi_handle_release(&qmi->qmi_hdl);
1003 cancel_work_sync(&qmi->event_work);
1004 destroy_workqueue(qmi->event_wq);
1005 ar_snoc->qmi = NULL;
1006
1007 return 0;
1008}
1009
