1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (c) 2018 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
5 */
6
7#include <linux/completion.h>
8#include <linux/device.h>
9#include <linux/debugfs.h>
10#include <linux/idr.h>
11#include <linux/kernel.h>
12#include <linux/of.h>
13#include <linux/of_address.h>
14#include <linux/module.h>
15#include <linux/net.h>
16#include <linux/platform_device.h>
17#include <linux/firmware/qcom/qcom_scm.h>
18#include <linux/soc/qcom/smem.h>
19#include <linux/string.h>
20#include <net/sock.h>
21
22#include "debug.h"
23#include "snoc.h"
24
25#define ATH10K_QMI_CLIENT_ID 0x4b4e454c
26#define ATH10K_QMI_TIMEOUT 30
27#define SMEM_IMAGE_VERSION_TABLE 469
28#define SMEM_IMAGE_TABLE_CNSS_INDEX 13
29#define SMEM_IMAGE_VERSION_ENTRY_SIZE 128
30#define SMEM_IMAGE_VERSION_NAME_SIZE 75
31
32static int ath10k_qmi_map_msa_permission(struct ath10k_qmi *qmi,
33 struct ath10k_msa_mem_info *mem_info)
34{
35 struct qcom_scm_vmperm dst_perms[3];
36 struct ath10k *ar = qmi->ar;
37 u64 src_perms;
38 u32 perm_count;
39 int ret;
40
41 src_perms = BIT(QCOM_SCM_VMID_HLOS);
42
43 dst_perms[0].vmid = QCOM_SCM_VMID_MSS_MSA;
44 dst_perms[0].perm = QCOM_SCM_PERM_RW;
45 dst_perms[1].vmid = QCOM_SCM_VMID_WLAN;
46 dst_perms[1].perm = QCOM_SCM_PERM_RW;
47
48 if (mem_info->secure) {
49 perm_count = 2;
50 } else {
51 dst_perms[2].vmid = QCOM_SCM_VMID_WLAN_CE;
52 dst_perms[2].perm = QCOM_SCM_PERM_RW;
53 perm_count = 3;
54 }
55
56 ret = qcom_scm_assign_mem(mem_addr: mem_info->addr, mem_sz: mem_info->size,
57 src: &src_perms, newvm: dst_perms, dest_cnt: perm_count);
58 if (ret < 0)
59 ath10k_err(ar, fmt: "failed to assign msa map permissions: %d\n", ret);
60
61 return ret;
62}
63
64static int ath10k_qmi_unmap_msa_permission(struct ath10k_qmi *qmi,
65 struct ath10k_msa_mem_info *mem_info)
66{
67 struct qcom_scm_vmperm dst_perms;
68 struct ath10k *ar = qmi->ar;
69 u64 src_perms;
70 int ret;
71
72 src_perms = BIT(QCOM_SCM_VMID_MSS_MSA) | BIT(QCOM_SCM_VMID_WLAN);
73
74 if (!mem_info->secure)
75 src_perms |= BIT(QCOM_SCM_VMID_WLAN_CE);
76
77 dst_perms.vmid = QCOM_SCM_VMID_HLOS;
78 dst_perms.perm = QCOM_SCM_PERM_RW;
79
80 ret = qcom_scm_assign_mem(mem_addr: mem_info->addr, mem_sz: mem_info->size,
81 src: &src_perms, newvm: &dst_perms, dest_cnt: 1);
82 if (ret < 0)
83 ath10k_err(ar, fmt: "failed to unmap msa permissions: %d\n", ret);
84
85 return ret;
86}
87
88static int ath10k_qmi_setup_msa_permissions(struct ath10k_qmi *qmi)
89{
90 int ret;
91 int i;
92
93 if (qmi->msa_fixed_perm)
94 return 0;
95
96 for (i = 0; i < qmi->nr_mem_region; i++) {
97 ret = ath10k_qmi_map_msa_permission(qmi, mem_info: &qmi->mem_region[i]);
98 if (ret)
99 goto err_unmap;
100 }
101
102 return 0;
103
104err_unmap:
105 for (i--; i >= 0; i--)
106 ath10k_qmi_unmap_msa_permission(qmi, mem_info: &qmi->mem_region[i]);
107 return ret;
108}
109
110static void ath10k_qmi_remove_msa_permission(struct ath10k_qmi *qmi)
111{
112 int i;
113
114 if (qmi->msa_fixed_perm)
115 return;
116
117 for (i = 0; i < qmi->nr_mem_region; i++)
118 ath10k_qmi_unmap_msa_permission(qmi, mem_info: &qmi->mem_region[i]);
119}
120
121static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
122{
123 struct wlfw_msa_info_resp_msg_v01 resp = {};
124 struct wlfw_msa_info_req_msg_v01 req = {};
125 struct ath10k *ar = qmi->ar;
126 phys_addr_t max_mapped_addr;
127 struct qmi_txn txn;
128 int ret;
129 int i;
130
131 req.msa_addr = ar->msa.paddr;
132 req.size = ar->msa.mem_size;
133
134 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn,
135 ei: wlfw_msa_info_resp_msg_v01_ei, c_struct: &resp);
136 if (ret < 0)
137 goto out;
138
139 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
140 QMI_WLFW_MSA_INFO_REQ_V01,
141 WLFW_MSA_INFO_REQ_MSG_V01_MAX_MSG_LEN,
142 ei: wlfw_msa_info_req_msg_v01_ei, c_struct: &req);
143 if (ret < 0) {
144 qmi_txn_cancel(txn: &txn);
145 ath10k_err(ar, fmt: "failed to send msa mem info req: %d\n", ret);
146 goto out;
147 }
148
149 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
150 if (ret < 0)
151 goto out;
152
153 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
154 ath10k_err(ar, fmt: "msa info req rejected: %d\n", resp.resp.error);
155 ret = -EINVAL;
156 goto out;
157 }
158
159 if (resp.mem_region_info_len > QMI_WLFW_MAX_MEM_REG_V01) {
160 ath10k_err(ar, fmt: "invalid memory region length received: %d\n",
161 resp.mem_region_info_len);
162 ret = -EINVAL;
163 goto out;
164 }
165
166 max_mapped_addr = ar->msa.paddr + ar->msa.mem_size;
167 qmi->nr_mem_region = resp.mem_region_info_len;
168 for (i = 0; i < resp.mem_region_info_len; i++) {
169 if (resp.mem_region_info[i].size > ar->msa.mem_size ||
170 resp.mem_region_info[i].region_addr > max_mapped_addr ||
171 resp.mem_region_info[i].region_addr < ar->msa.paddr ||
172 resp.mem_region_info[i].size +
173 resp.mem_region_info[i].region_addr > max_mapped_addr) {
174 ath10k_err(ar, fmt: "received out of range memory region address 0x%llx with size 0x%x, aborting\n",
175 resp.mem_region_info[i].region_addr,
176 resp.mem_region_info[i].size);
177 ret = -EINVAL;
178 goto fail_unwind;
179 }
180 qmi->mem_region[i].addr = resp.mem_region_info[i].region_addr;
181 qmi->mem_region[i].size = resp.mem_region_info[i].size;
182 qmi->mem_region[i].secure = resp.mem_region_info[i].secure_flag;
183 ath10k_dbg(ar, ATH10K_DBG_QMI,
184 "qmi msa mem region %d addr 0x%pa size 0x%x flag 0x%08x\n",
185 i, &qmi->mem_region[i].addr,
186 qmi->mem_region[i].size,
187 qmi->mem_region[i].secure);
188 }
189
190 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem info request completed\n");
191 return 0;
192
193fail_unwind:
194 memset(&qmi->mem_region[0], 0, sizeof(qmi->mem_region[0]) * i);
195out:
196 return ret;
197}
198
199static int ath10k_qmi_msa_ready_send_sync_msg(struct ath10k_qmi *qmi)
200{
201 struct wlfw_msa_ready_resp_msg_v01 resp = {};
202 struct wlfw_msa_ready_req_msg_v01 req = {};
203 struct ath10k *ar = qmi->ar;
204 struct qmi_txn txn;
205 int ret;
206
207 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn,
208 ei: wlfw_msa_ready_resp_msg_v01_ei, c_struct: &resp);
209 if (ret < 0)
210 goto out;
211
212 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
213 QMI_WLFW_MSA_READY_REQ_V01,
214 WLFW_MSA_READY_REQ_MSG_V01_MAX_MSG_LEN,
215 ei: wlfw_msa_ready_req_msg_v01_ei, c_struct: &req);
216 if (ret < 0) {
217 qmi_txn_cancel(txn: &txn);
218 ath10k_err(ar, fmt: "failed to send msa mem ready request: %d\n", ret);
219 goto out;
220 }
221
222 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
223 if (ret < 0)
224 goto out;
225
226 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
227 ath10k_err(ar, fmt: "msa ready request rejected: %d\n", resp.resp.error);
228 ret = -EINVAL;
229 }
230
231 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem ready request completed\n");
232 return 0;
233
234out:
235 return ret;
236}
237
238static int ath10k_qmi_bdf_dnld_send_sync(struct ath10k_qmi *qmi)
239{
240 struct wlfw_bdf_download_resp_msg_v01 resp = {};
241 struct wlfw_bdf_download_req_msg_v01 *req;
242 struct ath10k *ar = qmi->ar;
243 unsigned int remaining;
244 struct qmi_txn txn;
245 const u8 *temp;
246 int ret;
247
248 req = kzalloc(sizeof(*req), GFP_KERNEL);
249 if (!req)
250 return -ENOMEM;
251
252 temp = ar->normal_mode_fw.board_data;
253 remaining = ar->normal_mode_fw.board_len;
254
255 while (remaining) {
256 req->valid = 1;
257 req->file_id_valid = 1;
258 req->file_id = 0;
259 req->total_size_valid = 1;
260 req->total_size = ar->normal_mode_fw.board_len;
261 req->seg_id_valid = 1;
262 req->data_valid = 1;
263 req->end_valid = 1;
264
265 if (remaining > QMI_WLFW_MAX_DATA_SIZE_V01) {
266 req->data_len = QMI_WLFW_MAX_DATA_SIZE_V01;
267 } else {
268 req->data_len = remaining;
269 req->end = 1;
270 }
271
272 memcpy(req->data, temp, req->data_len);
273
274 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn,
275 ei: wlfw_bdf_download_resp_msg_v01_ei,
276 c_struct: &resp);
277 if (ret < 0)
278 goto out;
279
280 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
281 QMI_WLFW_BDF_DOWNLOAD_REQ_V01,
282 WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
283 ei: wlfw_bdf_download_req_msg_v01_ei, c_struct: req);
284 if (ret < 0) {
285 qmi_txn_cancel(txn: &txn);
286 goto out;
287 }
288
289 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
290
291 if (ret < 0)
292 goto out;
293
294 /* end = 1 triggers a CRC check on the BDF. If this fails, we
295 * get a QMI_ERR_MALFORMED_MSG_V01 error, but the FW is still
296 * willing to use the BDF. For some platforms, all the valid
297 * released BDFs fail this CRC check, so attempt to detect this
298 * scenario and treat it as non-fatal.
299 */
300 if (resp.resp.result != QMI_RESULT_SUCCESS_V01 &&
301 !(req->end == 1 &&
302 resp.resp.result == QMI_ERR_MALFORMED_MSG_V01)) {
303 ath10k_err(ar, fmt: "failed to download board data file: %d\n",
304 resp.resp.error);
305 ret = -EINVAL;
306 goto out;
307 }
308
309 remaining -= req->data_len;
310 temp += req->data_len;
311 req->seg_id++;
312 }
313
314 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi bdf download request completed\n");
315
316 kfree(objp: req);
317 return 0;
318
319out:
320 kfree(objp: req);
321 return ret;
322}
323
324static int ath10k_qmi_send_cal_report_req(struct ath10k_qmi *qmi)
325{
326 struct wlfw_cal_report_resp_msg_v01 resp = {};
327 struct wlfw_cal_report_req_msg_v01 req = {};
328 struct ath10k *ar = qmi->ar;
329 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
330 struct qmi_txn txn;
331 int i, j = 0;
332 int ret;
333
334 if (ar_snoc->xo_cal_supported) {
335 req.xo_cal_data_valid = 1;
336 req.xo_cal_data = ar_snoc->xo_cal_data;
337 }
338
339 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn, ei: wlfw_cal_report_resp_msg_v01_ei,
340 c_struct: &resp);
341 if (ret < 0)
342 goto out;
343
344 for (i = 0; i < QMI_WLFW_MAX_NUM_CAL_V01; i++) {
345 if (qmi->cal_data[i].total_size &&
346 qmi->cal_data[i].data) {
347 req.meta_data[j] = qmi->cal_data[i].cal_id;
348 j++;
349 }
350 }
351 req.meta_data_len = j;
352
353 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
354 QMI_WLFW_CAL_REPORT_REQ_V01,
355 WLFW_CAL_REPORT_REQ_MSG_V01_MAX_MSG_LEN,
356 ei: wlfw_cal_report_req_msg_v01_ei, c_struct: &req);
357 if (ret < 0) {
358 qmi_txn_cancel(txn: &txn);
359 ath10k_err(ar, fmt: "failed to send calibration request: %d\n", ret);
360 goto out;
361 }
362
363 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
364 if (ret < 0)
365 goto out;
366
367 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
368 ath10k_err(ar, fmt: "calibration request rejected: %d\n", resp.resp.error);
369 ret = -EINVAL;
370 goto out;
371 }
372
373 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi cal report request completed\n");
374 return 0;
375
376out:
377 return ret;
378}
379
380static int
381ath10k_qmi_mode_send_sync_msg(struct ath10k *ar, enum wlfw_driver_mode_enum_v01 mode)
382{
383 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
384 struct ath10k_qmi *qmi = ar_snoc->qmi;
385 struct wlfw_wlan_mode_resp_msg_v01 resp = {};
386 struct wlfw_wlan_mode_req_msg_v01 req = {};
387 struct qmi_txn txn;
388 int ret;
389
390 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn,
391 ei: wlfw_wlan_mode_resp_msg_v01_ei,
392 c_struct: &resp);
393 if (ret < 0)
394 goto out;
395
396 req.mode = mode;
397 req.hw_debug_valid = 1;
398 req.hw_debug = 0;
399
400 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
401 QMI_WLFW_WLAN_MODE_REQ_V01,
402 WLFW_WLAN_MODE_REQ_MSG_V01_MAX_MSG_LEN,
403 ei: wlfw_wlan_mode_req_msg_v01_ei, c_struct: &req);
404 if (ret < 0) {
405 qmi_txn_cancel(txn: &txn);
406 ath10k_err(ar, fmt: "failed to send wlan mode %d request: %d\n", mode, ret);
407 goto out;
408 }
409
410 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
411 if (ret < 0)
412 goto out;
413
414 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
415 ath10k_err(ar, fmt: "more request rejected: %d\n", resp.resp.error);
416 ret = -EINVAL;
417 goto out;
418 }
419
420 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wlan mode req completed: %d\n", mode);
421 return 0;
422
423out:
424 return ret;
425}
426
427static int
428ath10k_qmi_cfg_send_sync_msg(struct ath10k *ar,
429 struct ath10k_qmi_wlan_enable_cfg *config,
430 const char *version)
431{
432 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
433 struct ath10k_qmi *qmi = ar_snoc->qmi;
434 struct wlfw_wlan_cfg_resp_msg_v01 resp = {};
435 struct wlfw_wlan_cfg_req_msg_v01 *req;
436 struct qmi_txn txn;
437 int ret;
438 u32 i;
439
440 req = kzalloc(sizeof(*req), GFP_KERNEL);
441 if (!req)
442 return -ENOMEM;
443
444 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn,
445 ei: wlfw_wlan_cfg_resp_msg_v01_ei,
446 c_struct: &resp);
447 if (ret < 0)
448 goto out;
449
450 req->host_version_valid = 0;
451
452 req->tgt_cfg_valid = 1;
453 if (config->num_ce_tgt_cfg > QMI_WLFW_MAX_NUM_CE_V01)
454 req->tgt_cfg_len = QMI_WLFW_MAX_NUM_CE_V01;
455 else
456 req->tgt_cfg_len = config->num_ce_tgt_cfg;
457 for (i = 0; i < req->tgt_cfg_len; i++) {
458 req->tgt_cfg[i].pipe_num = config->ce_tgt_cfg[i].pipe_num;
459 req->tgt_cfg[i].pipe_dir = config->ce_tgt_cfg[i].pipe_dir;
460 req->tgt_cfg[i].nentries = config->ce_tgt_cfg[i].nentries;
461 req->tgt_cfg[i].nbytes_max = config->ce_tgt_cfg[i].nbytes_max;
462 req->tgt_cfg[i].flags = config->ce_tgt_cfg[i].flags;
463 }
464
465 req->svc_cfg_valid = 1;
466 if (config->num_ce_svc_pipe_cfg > QMI_WLFW_MAX_NUM_SVC_V01)
467 req->svc_cfg_len = QMI_WLFW_MAX_NUM_SVC_V01;
468 else
469 req->svc_cfg_len = config->num_ce_svc_pipe_cfg;
470 for (i = 0; i < req->svc_cfg_len; i++) {
471 req->svc_cfg[i].service_id = config->ce_svc_cfg[i].service_id;
472 req->svc_cfg[i].pipe_dir = config->ce_svc_cfg[i].pipe_dir;
473 req->svc_cfg[i].pipe_num = config->ce_svc_cfg[i].pipe_num;
474 }
475
476 req->shadow_reg_valid = 1;
477 if (config->num_shadow_reg_cfg >
478 QMI_WLFW_MAX_NUM_SHADOW_REG_V01)
479 req->shadow_reg_len = QMI_WLFW_MAX_NUM_SHADOW_REG_V01;
480 else
481 req->shadow_reg_len = config->num_shadow_reg_cfg;
482
483 memcpy(req->shadow_reg, config->shadow_reg_cfg,
484 sizeof(struct wlfw_shadow_reg_cfg_s_v01) * req->shadow_reg_len);
485
486 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
487 QMI_WLFW_WLAN_CFG_REQ_V01,
488 WLFW_WLAN_CFG_REQ_MSG_V01_MAX_MSG_LEN,
489 ei: wlfw_wlan_cfg_req_msg_v01_ei, c_struct: req);
490 if (ret < 0) {
491 qmi_txn_cancel(txn: &txn);
492 ath10k_err(ar, fmt: "failed to send config request: %d\n", ret);
493 goto out;
494 }
495
496 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
497 if (ret < 0)
498 goto out;
499
500 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
501 ath10k_err(ar, fmt: "config request rejected: %d\n", resp.resp.error);
502 ret = -EINVAL;
503 goto out;
504 }
505
506 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi config request completed\n");
507 kfree(objp: req);
508 return 0;
509
510out:
511 kfree(objp: req);
512 return ret;
513}
514
515int ath10k_qmi_wlan_enable(struct ath10k *ar,
516 struct ath10k_qmi_wlan_enable_cfg *config,
517 enum wlfw_driver_mode_enum_v01 mode,
518 const char *version)
519{
520 int ret;
521
522 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi mode %d config %p\n",
523 mode, config);
524
525 ret = ath10k_qmi_cfg_send_sync_msg(ar, config, version);
526 if (ret) {
527 ath10k_err(ar, fmt: "failed to send qmi config: %d\n", ret);
528 return ret;
529 }
530
531 ret = ath10k_qmi_mode_send_sync_msg(ar, mode);
532 if (ret) {
533 ath10k_err(ar, fmt: "failed to send qmi mode: %d\n", ret);
534 return ret;
535 }
536
537 return 0;
538}
539
540int ath10k_qmi_wlan_disable(struct ath10k *ar)
541{
542 return ath10k_qmi_mode_send_sync_msg(ar, mode: QMI_WLFW_OFF_V01);
543}
544
545static void ath10k_qmi_add_wlan_ver_smem(struct ath10k *ar, const char *fw_build_id)
546{
547 u8 *table_ptr;
548 size_t smem_item_size;
549 const u32 smem_img_idx_wlan = SMEM_IMAGE_TABLE_CNSS_INDEX *
550 SMEM_IMAGE_VERSION_ENTRY_SIZE;
551
552 table_ptr = qcom_smem_get(QCOM_SMEM_HOST_ANY,
553 SMEM_IMAGE_VERSION_TABLE,
554 size: &smem_item_size);
555
556 if (IS_ERR(ptr: table_ptr)) {
557 ath10k_err(ar, fmt: "smem image version table not found\n");
558 return;
559 }
560
561 if (smem_img_idx_wlan + SMEM_IMAGE_VERSION_ENTRY_SIZE >
562 smem_item_size) {
563 ath10k_err(ar, fmt: "smem block size too small: %zu\n",
564 smem_item_size);
565 return;
566 }
567
568 strscpy(table_ptr + smem_img_idx_wlan, fw_build_id,
569 SMEM_IMAGE_VERSION_NAME_SIZE);
570}
571
572static int ath10k_qmi_cap_send_sync_msg(struct ath10k_qmi *qmi)
573{
574 struct wlfw_cap_resp_msg_v01 *resp;
575 struct wlfw_cap_req_msg_v01 req = {};
576 struct ath10k *ar = qmi->ar;
577 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
578 struct qmi_txn txn;
579 int ret;
580
581 resp = kzalloc(sizeof(*resp), GFP_KERNEL);
582 if (!resp)
583 return -ENOMEM;
584
585 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn, ei: wlfw_cap_resp_msg_v01_ei, c_struct: resp);
586 if (ret < 0)
587 goto out;
588
589 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
590 QMI_WLFW_CAP_REQ_V01,
591 WLFW_CAP_REQ_MSG_V01_MAX_MSG_LEN,
592 ei: wlfw_cap_req_msg_v01_ei, c_struct: &req);
593 if (ret < 0) {
594 qmi_txn_cancel(txn: &txn);
595 ath10k_err(ar, fmt: "failed to send capability request: %d\n", ret);
596 goto out;
597 }
598
599 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
600 if (ret < 0)
601 goto out;
602
603 if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
604 ath10k_err(ar, fmt: "capability req rejected: %d\n", resp->resp.error);
605 ret = -EINVAL;
606 goto out;
607 }
608
609 if (resp->chip_info_valid) {
610 qmi->chip_info.chip_id = resp->chip_info.chip_id;
611 qmi->chip_info.chip_family = resp->chip_info.chip_family;
612 } else {
613 qmi->chip_info.chip_id = 0xFF;
614 }
615
616 if (resp->board_info_valid)
617 qmi->board_info.board_id = resp->board_info.board_id;
618 else
619 qmi->board_info.board_id = 0xFF;
620
621 if (resp->soc_info_valid)
622 qmi->soc_info.soc_id = resp->soc_info.soc_id;
623
624 if (resp->fw_version_info_valid) {
625 qmi->fw_version = resp->fw_version_info.fw_version;
626 strscpy(qmi->fw_build_timestamp, resp->fw_version_info.fw_build_timestamp,
627 sizeof(qmi->fw_build_timestamp));
628 }
629
630 if (resp->fw_build_id_valid)
631 strscpy(qmi->fw_build_id, resp->fw_build_id,
632 MAX_BUILD_ID_LEN + 1);
633
634 if (!test_bit(ATH10K_SNOC_FLAG_REGISTERED, &ar_snoc->flags)) {
635 ath10k_info(ar, fmt: "qmi chip_id 0x%x chip_family 0x%x board_id 0x%x soc_id 0x%x",
636 qmi->chip_info.chip_id, qmi->chip_info.chip_family,
637 qmi->board_info.board_id, qmi->soc_info.soc_id);
638 ath10k_info(ar, fmt: "qmi fw_version 0x%x fw_build_timestamp %s fw_build_id %s",
639 qmi->fw_version, qmi->fw_build_timestamp, qmi->fw_build_id);
640 }
641
642 if (resp->fw_build_id_valid)
643 ath10k_qmi_add_wlan_ver_smem(ar, fw_build_id: qmi->fw_build_id);
644
645 kfree(objp: resp);
646 return 0;
647
648out:
649 kfree(objp: resp);
650 return ret;
651}
652
653static int ath10k_qmi_host_cap_send_sync(struct ath10k_qmi *qmi)
654{
655 struct wlfw_host_cap_resp_msg_v01 resp = {};
656 struct wlfw_host_cap_req_msg_v01 req = {};
657 const struct qmi_elem_info *req_ei;
658 struct ath10k *ar = qmi->ar;
659 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
660 struct qmi_txn txn;
661 int ret;
662
663 req.daemon_support_valid = 1;
664 req.daemon_support = 0;
665
666 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn, ei: wlfw_host_cap_resp_msg_v01_ei,
667 c_struct: &resp);
668 if (ret < 0)
669 goto out;
670
671 if (test_bit(ATH10K_SNOC_FLAG_8BIT_HOST_CAP_QUIRK, &ar_snoc->flags))
672 req_ei = wlfw_host_cap_8bit_req_msg_v01_ei;
673 else
674 req_ei = wlfw_host_cap_req_msg_v01_ei;
675
676 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
677 QMI_WLFW_HOST_CAP_REQ_V01,
678 WLFW_HOST_CAP_REQ_MSG_V01_MAX_MSG_LEN,
679 ei: req_ei, c_struct: &req);
680 if (ret < 0) {
681 qmi_txn_cancel(txn: &txn);
682 ath10k_err(ar, fmt: "failed to send host capability request: %d\n", ret);
683 goto out;
684 }
685
686 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
687 if (ret < 0)
688 goto out;
689
690 /* older FW didn't support this request, which is not fatal */
691 if (resp.resp.result != QMI_RESULT_SUCCESS_V01 &&
692 resp.resp.error != QMI_ERR_NOT_SUPPORTED_V01) {
693 ath10k_err(ar, fmt: "host capability request rejected: %d\n", resp.resp.error);
694 ret = -EINVAL;
695 goto out;
696 }
697
698 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi host capability request completed\n");
699 return 0;
700
701out:
702 return ret;
703}
704
705int ath10k_qmi_set_fw_log_mode(struct ath10k *ar, u8 fw_log_mode)
706{
707 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
708 struct wlfw_ini_resp_msg_v01 resp = {};
709 struct ath10k_qmi *qmi = ar_snoc->qmi;
710 struct wlfw_ini_req_msg_v01 req = {};
711 struct qmi_txn txn;
712 int ret;
713
714 req.enablefwlog_valid = 1;
715 req.enablefwlog = fw_log_mode;
716
717 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn, ei: wlfw_ini_resp_msg_v01_ei,
718 c_struct: &resp);
719 if (ret < 0)
720 goto out;
721
722 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
723 QMI_WLFW_INI_REQ_V01,
724 WLFW_INI_REQ_MSG_V01_MAX_MSG_LEN,
725 ei: wlfw_ini_req_msg_v01_ei, c_struct: &req);
726 if (ret < 0) {
727 qmi_txn_cancel(txn: &txn);
728 ath10k_err(ar, fmt: "failed to send fw log request: %d\n", ret);
729 goto out;
730 }
731
732 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
733 if (ret < 0)
734 goto out;
735
736 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
737 ath10k_err(ar, fmt: "fw log request rejected: %d\n",
738 resp.resp.error);
739 ret = -EINVAL;
740 goto out;
741 }
742 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi fw log request completed, mode: %d\n",
743 fw_log_mode);
744 return 0;
745
746out:
747 return ret;
748}
749
750static int
751ath10k_qmi_ind_register_send_sync_msg(struct ath10k_qmi *qmi)
752{
753 struct wlfw_ind_register_resp_msg_v01 resp = {};
754 struct wlfw_ind_register_req_msg_v01 req = {};
755 struct ath10k *ar = qmi->ar;
756 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
757 struct qmi_txn txn;
758 int ret;
759
760 req.client_id_valid = 1;
761 req.client_id = ATH10K_QMI_CLIENT_ID;
762 req.fw_ready_enable_valid = 1;
763 req.fw_ready_enable = 1;
764 req.msa_ready_enable_valid = 1;
765 req.msa_ready_enable = 1;
766
767 if (ar_snoc->xo_cal_supported) {
768 req.xo_cal_enable_valid = 1;
769 req.xo_cal_enable = 1;
770 }
771
772 ret = qmi_txn_init(qmi: &qmi->qmi_hdl, txn: &txn,
773 ei: wlfw_ind_register_resp_msg_v01_ei, c_struct: &resp);
774 if (ret < 0)
775 goto out;
776
777 ret = qmi_send_request(qmi: &qmi->qmi_hdl, NULL, txn: &txn,
778 QMI_WLFW_IND_REGISTER_REQ_V01,
779 WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN,
780 ei: wlfw_ind_register_req_msg_v01_ei, c_struct: &req);
781 if (ret < 0) {
782 qmi_txn_cancel(txn: &txn);
783 ath10k_err(ar, fmt: "failed to send indication registered request: %d\n", ret);
784 goto out;
785 }
786
787 ret = qmi_txn_wait(txn: &txn, ATH10K_QMI_TIMEOUT * HZ);
788 if (ret < 0)
789 goto out;
790
791 if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
792 ath10k_err(ar, fmt: "indication request rejected: %d\n", resp.resp.error);
793 ret = -EINVAL;
794 goto out;
795 }
796
797 if (resp.fw_status_valid) {
798 if (resp.fw_status & QMI_WLFW_FW_READY_V01)
799 qmi->fw_ready = true;
800 }
801 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi indication register request completed\n");
802 return 0;
803
804out:
805 return ret;
806}
807
808static void ath10k_qmi_event_server_arrive(struct ath10k_qmi *qmi)
809{
810 struct ath10k *ar = qmi->ar;
811 int ret;
812
813 ret = ath10k_qmi_ind_register_send_sync_msg(qmi);
814 if (ret)
815 return;
816
817 if (qmi->fw_ready) {
818 ath10k_snoc_fw_indication(ar, type: ATH10K_QMI_EVENT_FW_READY_IND);
819 return;
820 }
821
822 ret = ath10k_qmi_host_cap_send_sync(qmi);
823 if (ret)
824 return;
825
826 ret = ath10k_qmi_msa_mem_info_send_sync_msg(qmi);
827 if (ret)
828 return;
829
830 /*
831 * HACK: sleep for a while between receiving the msa info response
832 * and the XPU update to prevent SDM845 from crashing due to a security
833 * violation, when running MPSS.AT.4.0.c2-01184-SDM845_GEN_PACK-1.
834 */
835 msleep(msecs: 20);
836
837 ret = ath10k_qmi_setup_msa_permissions(qmi);
838 if (ret)
839 return;
840
841 ret = ath10k_qmi_msa_ready_send_sync_msg(qmi);
842 if (ret)
843 goto err_setup_msa;
844
845 ret = ath10k_qmi_cap_send_sync_msg(qmi);
846 if (ret)
847 goto err_setup_msa;
848
849 return;
850
851err_setup_msa:
852 ath10k_qmi_remove_msa_permission(qmi);
853}
854
855static int ath10k_qmi_fetch_board_file(struct ath10k_qmi *qmi)
856{
857 struct ath10k *ar = qmi->ar;
858 int ret;
859
860 ar->hif.bus = ATH10K_BUS_SNOC;
861 ar->id.qmi_ids_valid = true;
862 ar->id.qmi_board_id = qmi->board_info.board_id;
863 ar->id.qmi_chip_id = qmi->chip_info.chip_id;
864 ar->hw_params.fw.dir = WCN3990_HW_1_0_FW_DIR;
865
866 ret = ath10k_core_check_dt(ar);
867 if (ret)
868 ath10k_dbg(ar, ATH10K_DBG_QMI, "DT bdf variant name not set.\n");
869
870 return ath10k_core_fetch_board_file(ar: qmi->ar, bd_ie_type: ATH10K_BD_IE_BOARD);
871}
872
873static int
874ath10k_qmi_driver_event_post(struct ath10k_qmi *qmi,
875 enum ath10k_qmi_driver_event_type type,
876 void *data)
877{
878 struct ath10k_qmi_driver_event *event;
879
880 event = kzalloc(sizeof(*event), GFP_ATOMIC);
881 if (!event)
882 return -ENOMEM;
883
884 event->type = type;
885 event->data = data;
886
887 spin_lock(lock: &qmi->event_lock);
888 list_add_tail(new: &event->list, head: &qmi->event_list);
889 spin_unlock(lock: &qmi->event_lock);
890
891 queue_work(wq: qmi->event_wq, work: &qmi->event_work);
892
893 return 0;
894}
895
896static void ath10k_qmi_event_server_exit(struct ath10k_qmi *qmi)
897{
898 struct ath10k *ar = qmi->ar;
899 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
900
901 ath10k_qmi_remove_msa_permission(qmi);
902 ath10k_core_free_board_files(ar);
903 if (!test_bit(ATH10K_SNOC_FLAG_UNREGISTERING, &ar_snoc->flags) &&
904 !test_bit(ATH10K_SNOC_FLAG_MODEM_STOPPED, &ar_snoc->flags))
905 ath10k_snoc_fw_crashed_dump(ar);
906
907 ath10k_snoc_fw_indication(ar, type: ATH10K_QMI_EVENT_FW_DOWN_IND);
908 ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service disconnected\n");
909}
910
911static void ath10k_qmi_event_msa_ready(struct ath10k_qmi *qmi)
912{
913 int ret;
914
915 ret = ath10k_qmi_fetch_board_file(qmi);
916 if (ret)
917 goto out;
918
919 ret = ath10k_qmi_bdf_dnld_send_sync(qmi);
920 if (ret)
921 goto out;
922
923 ret = ath10k_qmi_send_cal_report_req(qmi);
924
925out:
926 return;
927}
928
929static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi)
930{
931 struct ath10k *ar = qmi->ar;
932
933 ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw ready event received\n");
934 ath10k_snoc_fw_indication(ar, type: ATH10K_QMI_EVENT_FW_READY_IND);
935
936 return 0;
937}
938
939static void ath10k_qmi_fw_ready_ind(struct qmi_handle *qmi_hdl,
940 struct sockaddr_qrtr *sq,
941 struct qmi_txn *txn, const void *data)
942{
943 struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
944
945 ath10k_qmi_driver_event_post(qmi, type: ATH10K_QMI_EVENT_FW_READY_IND, NULL);
946}
947
948static void ath10k_qmi_msa_ready_ind(struct qmi_handle *qmi_hdl,
949 struct sockaddr_qrtr *sq,
950 struct qmi_txn *txn, const void *data)
951{
952 struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
953
954 ath10k_qmi_driver_event_post(qmi, type: ATH10K_QMI_EVENT_MSA_READY_IND, NULL);
955}
956
957static const struct qmi_msg_handler qmi_msg_handler[] = {
958 {
959 .type = QMI_INDICATION,
960 .msg_id = QMI_WLFW_FW_READY_IND_V01,
961 .ei = wlfw_fw_ready_ind_msg_v01_ei,
962 .decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01),
963 .fn = ath10k_qmi_fw_ready_ind,
964 },
965 {
966 .type = QMI_INDICATION,
967 .msg_id = QMI_WLFW_MSA_READY_IND_V01,
968 .ei = wlfw_msa_ready_ind_msg_v01_ei,
969 .decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01),
970 .fn = ath10k_qmi_msa_ready_ind,
971 },
972 {}
973};
974
975static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl,
976 struct qmi_service *service)
977{
978 struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
979 struct sockaddr_qrtr *sq = &qmi->sq;
980 struct ath10k *ar = qmi->ar;
981 int ret;
982
983 sq->sq_family = AF_QIPCRTR;
984 sq->sq_node = service->node;
985 sq->sq_port = service->port;
986
987 ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service found\n");
988
989 ret = kernel_connect(sock: qmi_hdl->sock, addr: (struct sockaddr *)&qmi->sq,
990 addrlen: sizeof(qmi->sq), flags: 0);
991 if (ret) {
992 ath10k_err(ar, fmt: "failed to connect to a remote QMI service port\n");
993 return ret;
994 }
995
996 ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wifi fw qmi service connected\n");
997 ath10k_qmi_driver_event_post(qmi, type: ATH10K_QMI_EVENT_SERVER_ARRIVE, NULL);
998
999 return ret;
1000}
1001
1002static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
1003 struct qmi_service *service)
1004{
1005 struct ath10k_qmi *qmi =
1006 container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
1007
1008 qmi->fw_ready = false;
1009
1010 /*
1011 * The del_server event is to be processed only if coming from
1012 * the qmi server. The qmi infrastructure sends del_server, when
1013 * any client releases the qmi handle. In this case do not process
1014 * this del_server event.
1015 */
1016 if (qmi->state == ATH10K_QMI_STATE_INIT_DONE)
1017 ath10k_qmi_driver_event_post(qmi, type: ATH10K_QMI_EVENT_SERVER_EXIT,
1018 NULL);
1019}
1020
1021static const struct qmi_ops ath10k_qmi_ops = {
1022 .new_server = ath10k_qmi_new_server,
1023 .del_server = ath10k_qmi_del_server,
1024};
1025
1026static void ath10k_qmi_driver_event_work(struct work_struct *work)
1027{
1028 struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi,
1029 event_work);
1030 struct ath10k_qmi_driver_event *event;
1031 struct ath10k *ar = qmi->ar;
1032
1033 spin_lock(lock: &qmi->event_lock);
1034 while (!list_empty(head: &qmi->event_list)) {
1035 event = list_first_entry(&qmi->event_list,
1036 struct ath10k_qmi_driver_event, list);
1037 list_del(entry: &event->list);
1038 spin_unlock(lock: &qmi->event_lock);
1039
1040 switch (event->type) {
1041 case ATH10K_QMI_EVENT_SERVER_ARRIVE:
1042 ath10k_qmi_event_server_arrive(qmi);
1043 if (qmi->no_msa_ready_indicator) {
1044 ath10k_info(ar, fmt: "qmi not waiting for msa_ready indicator");
1045 ath10k_qmi_event_msa_ready(qmi);
1046 }
1047 break;
1048 case ATH10K_QMI_EVENT_SERVER_EXIT:
1049 ath10k_qmi_event_server_exit(qmi);
1050 break;
1051 case ATH10K_QMI_EVENT_FW_READY_IND:
1052 ath10k_qmi_event_fw_ready_ind(qmi);
1053 break;
1054 case ATH10K_QMI_EVENT_MSA_READY_IND:
1055 if (qmi->no_msa_ready_indicator) {
1056 ath10k_warn(ar, fmt: "qmi unexpected msa_ready indicator");
1057 break;
1058 }
1059 ath10k_qmi_event_msa_ready(qmi);
1060 break;
1061 default:
1062 ath10k_warn(ar, fmt: "invalid event type: %d", event->type);
1063 break;
1064 }
1065 kfree(objp: event);
1066 spin_lock(lock: &qmi->event_lock);
1067 }
1068 spin_unlock(lock: &qmi->event_lock);
1069}
1070
1071int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
1072{
1073 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
1074 struct device *dev = ar->dev;
1075 struct ath10k_qmi *qmi;
1076 int ret;
1077
1078 qmi = kzalloc(sizeof(*qmi), GFP_KERNEL);
1079 if (!qmi)
1080 return -ENOMEM;
1081
1082 qmi->ar = ar;
1083 ar_snoc->qmi = qmi;
1084
1085 if (of_property_read_bool(np: dev->of_node, propname: "qcom,msa-fixed-perm"))
1086 qmi->msa_fixed_perm = true;
1087
1088 if (of_property_read_bool(np: dev->of_node, propname: "qcom,no-msa-ready-indicator"))
1089 qmi->no_msa_ready_indicator = true;
1090
1091 ret = qmi_handle_init(qmi: &qmi->qmi_hdl,
1092 WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
1093 ops: &ath10k_qmi_ops, handlers: qmi_msg_handler);
1094 if (ret)
1095 goto err;
1096
1097 qmi->event_wq = alloc_ordered_workqueue("ath10k_qmi_driver_event", 0);
1098 if (!qmi->event_wq) {
1099 ath10k_err(ar, fmt: "failed to allocate workqueue\n");
1100 ret = -EFAULT;
1101 goto err_release_qmi_handle;
1102 }
1103
1104 INIT_LIST_HEAD(list: &qmi->event_list);
1105 spin_lock_init(&qmi->event_lock);
1106 INIT_WORK(&qmi->event_work, ath10k_qmi_driver_event_work);
1107
1108 ret = qmi_add_lookup(qmi: &qmi->qmi_hdl, WLFW_SERVICE_ID_V01,
1109 WLFW_SERVICE_VERS_V01, instance: 0);
1110 if (ret)
1111 goto err_qmi_lookup;
1112
1113 qmi->state = ATH10K_QMI_STATE_INIT_DONE;
1114 return 0;
1115
1116err_qmi_lookup:
1117 destroy_workqueue(wq: qmi->event_wq);
1118
1119err_release_qmi_handle:
1120 qmi_handle_release(qmi: &qmi->qmi_hdl);
1121
1122err:
1123 kfree(objp: qmi);
1124 return ret;
1125}
1126
1127int ath10k_qmi_deinit(struct ath10k *ar)
1128{
1129 struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
1130 struct ath10k_qmi *qmi = ar_snoc->qmi;
1131
1132 qmi->state = ATH10K_QMI_STATE_DEINIT;
1133 qmi_handle_release(qmi: &qmi->qmi_hdl);
1134 cancel_work_sync(work: &qmi->event_work);
1135 destroy_workqueue(wq: qmi->event_wq);
1136 kfree(objp: qmi);
1137 ar_snoc->qmi = NULL;
1138
1139 return 0;
1140}
1141

source code of linux/drivers/net/wireless/ath/ath10k/qmi.c