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