linux/drivers/net/wireless/ath/ath10k/qmi.c
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   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        }
 580
 581        if (resp->board_info_valid)
 582                qmi->board_info.board_id = resp->board_info.board_id;
 583        else
 584                qmi->board_info.board_id = 0xFF;
 585
 586        if (resp->soc_info_valid)
 587                qmi->soc_info.soc_id = resp->soc_info.soc_id;
 588
 589        if (resp->fw_version_info_valid) {
 590                qmi->fw_version = resp->fw_version_info.fw_version;
 591                strlcpy(qmi->fw_build_timestamp, resp->fw_version_info.fw_build_timestamp,
 592                        sizeof(qmi->fw_build_timestamp));
 593        }
 594
 595        if (resp->fw_build_id_valid)
 596                strlcpy(qmi->fw_build_id, resp->fw_build_id,
 597                        MAX_BUILD_ID_LEN + 1);
 598
 599        if (!test_bit(ATH10K_SNOC_FLAG_REGISTERED, &ar_snoc->flags)) {
 600                ath10k_info(ar, "qmi chip_id 0x%x chip_family 0x%x board_id 0x%x soc_id 0x%x",
 601                            qmi->chip_info.chip_id, qmi->chip_info.chip_family,
 602                            qmi->board_info.board_id, qmi->soc_info.soc_id);
 603                ath10k_info(ar, "qmi fw_version 0x%x fw_build_timestamp %s fw_build_id %s",
 604                            qmi->fw_version, qmi->fw_build_timestamp, qmi->fw_build_id);
 605        }
 606
 607        kfree(resp);
 608        return 0;
 609
 610out:
 611        kfree(resp);
 612        return ret;
 613}
 614
 615static int ath10k_qmi_host_cap_send_sync(struct ath10k_qmi *qmi)
 616{
 617        struct wlfw_host_cap_resp_msg_v01 resp = {};
 618        struct wlfw_host_cap_req_msg_v01 req = {};
 619        struct qmi_elem_info *req_ei;
 620        struct ath10k *ar = qmi->ar;
 621        struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 622        struct qmi_txn txn;
 623        int ret;
 624
 625        req.daemon_support_valid = 1;
 626        req.daemon_support = 0;
 627
 628        ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_host_cap_resp_msg_v01_ei,
 629                           &resp);
 630        if (ret < 0)
 631                goto out;
 632
 633        if (test_bit(ATH10K_SNOC_FLAG_8BIT_HOST_CAP_QUIRK, &ar_snoc->flags))
 634                req_ei = wlfw_host_cap_8bit_req_msg_v01_ei;
 635        else
 636                req_ei = wlfw_host_cap_req_msg_v01_ei;
 637
 638        ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
 639                               QMI_WLFW_HOST_CAP_REQ_V01,
 640                               WLFW_HOST_CAP_REQ_MSG_V01_MAX_MSG_LEN,
 641                               req_ei, &req);
 642        if (ret < 0) {
 643                qmi_txn_cancel(&txn);
 644                ath10k_err(ar, "failed to send host capability request: %d\n", ret);
 645                goto out;
 646        }
 647
 648        ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
 649        if (ret < 0)
 650                goto out;
 651
 652        /* older FW didn't support this request, which is not fatal */
 653        if (resp.resp.result != QMI_RESULT_SUCCESS_V01 &&
 654            resp.resp.error != QMI_ERR_NOT_SUPPORTED_V01) {
 655                ath10k_err(ar, "host capability request rejected: %d\n", resp.resp.error);
 656                ret = -EINVAL;
 657                goto out;
 658        }
 659
 660        ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi host capability request completed\n");
 661        return 0;
 662
 663out:
 664        return ret;
 665}
 666
 667int ath10k_qmi_set_fw_log_mode(struct ath10k *ar, u8 fw_log_mode)
 668{
 669        struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 670        struct wlfw_ini_resp_msg_v01 resp = {};
 671        struct ath10k_qmi *qmi = ar_snoc->qmi;
 672        struct wlfw_ini_req_msg_v01 req = {};
 673        struct qmi_txn txn;
 674        int ret;
 675
 676        req.enablefwlog_valid = 1;
 677        req.enablefwlog = fw_log_mode;
 678
 679        ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_ini_resp_msg_v01_ei,
 680                           &resp);
 681        if (ret < 0)
 682                goto out;
 683
 684        ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
 685                               QMI_WLFW_INI_REQ_V01,
 686                               WLFW_INI_REQ_MSG_V01_MAX_MSG_LEN,
 687                               wlfw_ini_req_msg_v01_ei, &req);
 688        if (ret < 0) {
 689                qmi_txn_cancel(&txn);
 690                ath10k_err(ar, "failed to send fw log request: %d\n", ret);
 691                goto out;
 692        }
 693
 694        ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
 695        if (ret < 0)
 696                goto out;
 697
 698        if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
 699                ath10k_err(ar, "fw log request rejected: %d\n",
 700                           resp.resp.error);
 701                ret = -EINVAL;
 702                goto out;
 703        }
 704        ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi fw log request completed, mode: %d\n",
 705                   fw_log_mode);
 706        return 0;
 707
 708out:
 709        return ret;
 710}
 711
 712static int
 713ath10k_qmi_ind_register_send_sync_msg(struct ath10k_qmi *qmi)
 714{
 715        struct wlfw_ind_register_resp_msg_v01 resp = {};
 716        struct wlfw_ind_register_req_msg_v01 req = {};
 717        struct ath10k *ar = qmi->ar;
 718        struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 719        struct qmi_txn txn;
 720        int ret;
 721
 722        req.client_id_valid = 1;
 723        req.client_id = ATH10K_QMI_CLIENT_ID;
 724        req.fw_ready_enable_valid = 1;
 725        req.fw_ready_enable = 1;
 726        req.msa_ready_enable_valid = 1;
 727        req.msa_ready_enable = 1;
 728
 729        if (ar_snoc->xo_cal_supported) {
 730                req.xo_cal_enable_valid = 1;
 731                req.xo_cal_enable = 1;
 732        }
 733
 734        ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
 735                           wlfw_ind_register_resp_msg_v01_ei, &resp);
 736        if (ret < 0)
 737                goto out;
 738
 739        ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
 740                               QMI_WLFW_IND_REGISTER_REQ_V01,
 741                               WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN,
 742                               wlfw_ind_register_req_msg_v01_ei, &req);
 743        if (ret < 0) {
 744                qmi_txn_cancel(&txn);
 745                ath10k_err(ar, "failed to send indication registered request: %d\n", ret);
 746                goto out;
 747        }
 748
 749        ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
 750        if (ret < 0)
 751                goto out;
 752
 753        if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
 754                ath10k_err(ar, "indication request rejected: %d\n", resp.resp.error);
 755                ret = -EINVAL;
 756                goto out;
 757        }
 758
 759        if (resp.fw_status_valid) {
 760                if (resp.fw_status & QMI_WLFW_FW_READY_V01)
 761                        qmi->fw_ready = true;
 762        }
 763        ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi indication register request completed\n");
 764        return 0;
 765
 766out:
 767        return ret;
 768}
 769
 770static void ath10k_qmi_event_server_arrive(struct ath10k_qmi *qmi)
 771{
 772        struct ath10k *ar = qmi->ar;
 773        int ret;
 774
 775        ret = ath10k_qmi_ind_register_send_sync_msg(qmi);
 776        if (ret)
 777                return;
 778
 779        if (qmi->fw_ready) {
 780                ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND);
 781                return;
 782        }
 783
 784        ret = ath10k_qmi_host_cap_send_sync(qmi);
 785        if (ret)
 786                return;
 787
 788        ret = ath10k_qmi_msa_mem_info_send_sync_msg(qmi);
 789        if (ret)
 790                return;
 791
 792        /*
 793         * HACK: sleep for a while inbetween receiving the msa info response
 794         * and the XPU update to prevent SDM845 from crashing due to a security
 795         * violation, when running MPSS.AT.4.0.c2-01184-SDM845_GEN_PACK-1.
 796         */
 797        msleep(20);
 798
 799        ret = ath10k_qmi_setup_msa_permissions(qmi);
 800        if (ret)
 801                return;
 802
 803        ret = ath10k_qmi_msa_ready_send_sync_msg(qmi);
 804        if (ret)
 805                goto err_setup_msa;
 806
 807        ret = ath10k_qmi_cap_send_sync_msg(qmi);
 808        if (ret)
 809                goto err_setup_msa;
 810
 811        return;
 812
 813err_setup_msa:
 814        ath10k_qmi_remove_msa_permission(qmi);
 815}
 816
 817static int ath10k_qmi_fetch_board_file(struct ath10k_qmi *qmi)
 818{
 819        struct ath10k *ar = qmi->ar;
 820
 821        ar->hif.bus = ATH10K_BUS_SNOC;
 822        ar->id.qmi_ids_valid = true;
 823        ar->id.qmi_board_id = qmi->board_info.board_id;
 824        ar->hw_params.fw.dir = WCN3990_HW_1_0_FW_DIR;
 825
 826        return ath10k_core_fetch_board_file(qmi->ar, ATH10K_BD_IE_BOARD);
 827}
 828
 829static int
 830ath10k_qmi_driver_event_post(struct ath10k_qmi *qmi,
 831                             enum ath10k_qmi_driver_event_type type,
 832                             void *data)
 833{
 834        struct ath10k_qmi_driver_event *event;
 835
 836        event = kzalloc(sizeof(*event), GFP_ATOMIC);
 837        if (!event)
 838                return -ENOMEM;
 839
 840        event->type = type;
 841        event->data = data;
 842
 843        spin_lock(&qmi->event_lock);
 844        list_add_tail(&event->list, &qmi->event_list);
 845        spin_unlock(&qmi->event_lock);
 846
 847        queue_work(qmi->event_wq, &qmi->event_work);
 848
 849        return 0;
 850}
 851
 852static void ath10k_qmi_event_server_exit(struct ath10k_qmi *qmi)
 853{
 854        struct ath10k *ar = qmi->ar;
 855        struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 856
 857        ath10k_qmi_remove_msa_permission(qmi);
 858        ath10k_core_free_board_files(ar);
 859        if (!test_bit(ATH10K_SNOC_FLAG_UNREGISTERING, &ar_snoc->flags))
 860                ath10k_snoc_fw_crashed_dump(ar);
 861
 862        ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_DOWN_IND);
 863        ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service disconnected\n");
 864}
 865
 866static void ath10k_qmi_event_msa_ready(struct ath10k_qmi *qmi)
 867{
 868        int ret;
 869
 870        ret = ath10k_qmi_fetch_board_file(qmi);
 871        if (ret)
 872                goto out;
 873
 874        ret = ath10k_qmi_bdf_dnld_send_sync(qmi);
 875        if (ret)
 876                goto out;
 877
 878        ret = ath10k_qmi_send_cal_report_req(qmi);
 879
 880out:
 881        return;
 882}
 883
 884static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi)
 885{
 886        struct ath10k *ar = qmi->ar;
 887
 888        ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw ready event received\n");
 889        ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND);
 890
 891        return 0;
 892}
 893
 894static void ath10k_qmi_fw_ready_ind(struct qmi_handle *qmi_hdl,
 895                                    struct sockaddr_qrtr *sq,
 896                                    struct qmi_txn *txn, const void *data)
 897{
 898        struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
 899
 900        ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_FW_READY_IND, NULL);
 901}
 902
 903static void ath10k_qmi_msa_ready_ind(struct qmi_handle *qmi_hdl,
 904                                     struct sockaddr_qrtr *sq,
 905                                     struct qmi_txn *txn, const void *data)
 906{
 907        struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
 908
 909        ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_MSA_READY_IND, NULL);
 910}
 911
 912static struct qmi_msg_handler qmi_msg_handler[] = {
 913        {
 914                .type = QMI_INDICATION,
 915                .msg_id = QMI_WLFW_FW_READY_IND_V01,
 916                .ei = wlfw_fw_ready_ind_msg_v01_ei,
 917                .decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01),
 918                .fn = ath10k_qmi_fw_ready_ind,
 919        },
 920        {
 921                .type = QMI_INDICATION,
 922                .msg_id = QMI_WLFW_MSA_READY_IND_V01,
 923                .ei = wlfw_msa_ready_ind_msg_v01_ei,
 924                .decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01),
 925                .fn = ath10k_qmi_msa_ready_ind,
 926        },
 927        {}
 928};
 929
 930static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl,
 931                                 struct qmi_service *service)
 932{
 933        struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
 934        struct sockaddr_qrtr *sq = &qmi->sq;
 935        struct ath10k *ar = qmi->ar;
 936        int ret;
 937
 938        sq->sq_family = AF_QIPCRTR;
 939        sq->sq_node = service->node;
 940        sq->sq_port = service->port;
 941
 942        ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service found\n");
 943
 944        ret = kernel_connect(qmi_hdl->sock, (struct sockaddr *)&qmi->sq,
 945                             sizeof(qmi->sq), 0);
 946        if (ret) {
 947                ath10k_err(ar, "failed to connect to a remote QMI service port\n");
 948                return ret;
 949        }
 950
 951        ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wifi fw qmi service connected\n");
 952        ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_ARRIVE, NULL);
 953
 954        return ret;
 955}
 956
 957static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
 958                                  struct qmi_service *service)
 959{
 960        struct ath10k_qmi *qmi =
 961                container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
 962
 963        qmi->fw_ready = false;
 964
 965        /*
 966         * The del_server event is to be processed only if coming from
 967         * the qmi server. The qmi infrastructure sends del_server, when
 968         * any client releases the qmi handle. In this case do not process
 969         * this del_server event.
 970         */
 971        if (qmi->state == ATH10K_QMI_STATE_INIT_DONE)
 972                ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_EXIT,
 973                                             NULL);
 974}
 975
 976static struct qmi_ops ath10k_qmi_ops = {
 977        .new_server = ath10k_qmi_new_server,
 978        .del_server = ath10k_qmi_del_server,
 979};
 980
 981static void ath10k_qmi_driver_event_work(struct work_struct *work)
 982{
 983        struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi,
 984                                              event_work);
 985        struct ath10k_qmi_driver_event *event;
 986        struct ath10k *ar = qmi->ar;
 987
 988        spin_lock(&qmi->event_lock);
 989        while (!list_empty(&qmi->event_list)) {
 990                event = list_first_entry(&qmi->event_list,
 991                                         struct ath10k_qmi_driver_event, list);
 992                list_del(&event->list);
 993                spin_unlock(&qmi->event_lock);
 994
 995                switch (event->type) {
 996                case ATH10K_QMI_EVENT_SERVER_ARRIVE:
 997                        ath10k_qmi_event_server_arrive(qmi);
 998                        break;
 999                case ATH10K_QMI_EVENT_SERVER_EXIT:
1000                        ath10k_qmi_event_server_exit(qmi);
1001                        break;
1002                case ATH10K_QMI_EVENT_FW_READY_IND:
1003                        ath10k_qmi_event_fw_ready_ind(qmi);
1004                        break;
1005                case ATH10K_QMI_EVENT_MSA_READY_IND:
1006                        ath10k_qmi_event_msa_ready(qmi);
1007                        break;
1008                default:
1009                        ath10k_warn(ar, "invalid event type: %d", event->type);
1010                        break;
1011                }
1012                kfree(event);
1013                spin_lock(&qmi->event_lock);
1014        }
1015        spin_unlock(&qmi->event_lock);
1016}
1017
1018int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
1019{
1020        struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
1021        struct device *dev = ar->dev;
1022        struct ath10k_qmi *qmi;
1023        int ret;
1024
1025        qmi = kzalloc(sizeof(*qmi), GFP_KERNEL);
1026        if (!qmi)
1027                return -ENOMEM;
1028
1029        qmi->ar = ar;
1030        ar_snoc->qmi = qmi;
1031
1032        if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
1033                qmi->msa_fixed_perm = true;
1034
1035        ret = qmi_handle_init(&qmi->qmi_hdl,
1036                              WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
1037                              &ath10k_qmi_ops, qmi_msg_handler);
1038        if (ret)
1039                goto err;
1040
1041        qmi->event_wq = alloc_workqueue("ath10k_qmi_driver_event",
1042                                        WQ_UNBOUND, 1);
1043        if (!qmi->event_wq) {
1044                ath10k_err(ar, "failed to allocate workqueue\n");
1045                ret = -EFAULT;
1046                goto err_release_qmi_handle;
1047        }
1048
1049        INIT_LIST_HEAD(&qmi->event_list);
1050        spin_lock_init(&qmi->event_lock);
1051        INIT_WORK(&qmi->event_work, ath10k_qmi_driver_event_work);
1052
1053        ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01,
1054                             WLFW_SERVICE_VERS_V01, 0);
1055        if (ret)
1056                goto err_qmi_lookup;
1057
1058        qmi->state = ATH10K_QMI_STATE_INIT_DONE;
1059        return 0;
1060
1061err_qmi_lookup:
1062        destroy_workqueue(qmi->event_wq);
1063
1064err_release_qmi_handle:
1065        qmi_handle_release(&qmi->qmi_hdl);
1066
1067err:
1068        kfree(qmi);
1069        return ret;
1070}
1071
1072int ath10k_qmi_deinit(struct ath10k *ar)
1073{
1074        struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
1075        struct ath10k_qmi *qmi = ar_snoc->qmi;
1076
1077        qmi->state = ATH10K_QMI_STATE_DEINIT;
1078        qmi_handle_release(&qmi->qmi_hdl);
1079        cancel_work_sync(&qmi->event_work);
1080        destroy_workqueue(qmi->event_wq);
1081        kfree(qmi);
1082        ar_snoc->qmi = NULL;
1083
1084        return 0;
1085}
1086