diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/qmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/qmi.c | 1094 |
1 files changed, 1094 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c new file mode 100644 index 000000000..66cb7a1e6 --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/qmi.c @@ -0,0 +1,1094 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2018 The Linux Foundation. All rights reserved. + */ + +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/debugfs.h> +#include <linux/idr.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/module.h> +#include <linux/net.h> +#include <linux/platform_device.h> +#include <linux/qcom_scm.h> +#include <linux/string.h> +#include <net/sock.h> + +#include "debug.h" +#include "snoc.h" + +#define ATH10K_QMI_CLIENT_ID 0x4b4e454c +#define ATH10K_QMI_TIMEOUT 30 + +static int ath10k_qmi_map_msa_permission(struct ath10k_qmi *qmi, + struct ath10k_msa_mem_info *mem_info) +{ + struct qcom_scm_vmperm dst_perms[3]; + struct ath10k *ar = qmi->ar; + unsigned int src_perms; + u32 perm_count; + int ret; + + src_perms = BIT(QCOM_SCM_VMID_HLOS); + + dst_perms[0].vmid = QCOM_SCM_VMID_MSS_MSA; + dst_perms[0].perm = QCOM_SCM_PERM_RW; + dst_perms[1].vmid = QCOM_SCM_VMID_WLAN; + dst_perms[1].perm = QCOM_SCM_PERM_RW; + + if (mem_info->secure) { + perm_count = 2; + } else { + dst_perms[2].vmid = QCOM_SCM_VMID_WLAN_CE; + dst_perms[2].perm = QCOM_SCM_PERM_RW; + perm_count = 3; + } + + ret = qcom_scm_assign_mem(mem_info->addr, mem_info->size, + &src_perms, dst_perms, perm_count); + if (ret < 0) + ath10k_err(ar, "failed to assign msa map permissions: %d\n", ret); + + return ret; +} + +static int ath10k_qmi_unmap_msa_permission(struct ath10k_qmi *qmi, + struct ath10k_msa_mem_info *mem_info) +{ + struct qcom_scm_vmperm dst_perms; + struct ath10k *ar = qmi->ar; + unsigned int src_perms; + int ret; + + src_perms = BIT(QCOM_SCM_VMID_MSS_MSA) | BIT(QCOM_SCM_VMID_WLAN); + + if (!mem_info->secure) + src_perms |= BIT(QCOM_SCM_VMID_WLAN_CE); + + dst_perms.vmid = QCOM_SCM_VMID_HLOS; + dst_perms.perm = QCOM_SCM_PERM_RW; + + ret = qcom_scm_assign_mem(mem_info->addr, mem_info->size, + &src_perms, &dst_perms, 1); + if (ret < 0) + ath10k_err(ar, "failed to unmap msa permissions: %d\n", ret); + + return ret; +} + +static int ath10k_qmi_setup_msa_permissions(struct ath10k_qmi *qmi) +{ + int ret; + int i; + + if (qmi->msa_fixed_perm) + return 0; + + for (i = 0; i < qmi->nr_mem_region; i++) { + ret = ath10k_qmi_map_msa_permission(qmi, &qmi->mem_region[i]); + if (ret) + goto err_unmap; + } + + return 0; + +err_unmap: + for (i--; i >= 0; i--) + ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]); + return ret; +} + +static void ath10k_qmi_remove_msa_permission(struct ath10k_qmi *qmi) +{ + int i; + + if (qmi->msa_fixed_perm) + return; + + for (i = 0; i < qmi->nr_mem_region; i++) + ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]); +} + +static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi) +{ + struct wlfw_msa_info_resp_msg_v01 resp = {}; + struct wlfw_msa_info_req_msg_v01 req = {}; + struct ath10k *ar = qmi->ar; + phys_addr_t max_mapped_addr; + struct qmi_txn txn; + int ret; + int i; + + req.msa_addr = ar->msa.paddr; + req.size = ar->msa.mem_size; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, + wlfw_msa_info_resp_msg_v01_ei, &resp); + if (ret < 0) + goto out; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_MSA_INFO_REQ_V01, + WLFW_MSA_INFO_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_msa_info_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send msa mem info req: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "msa info req rejected: %d\n", resp.resp.error); + ret = -EINVAL; + goto out; + } + + if (resp.mem_region_info_len > QMI_WLFW_MAX_MEM_REG_V01) { + ath10k_err(ar, "invalid memory region length received: %d\n", + resp.mem_region_info_len); + ret = -EINVAL; + goto out; + } + + max_mapped_addr = ar->msa.paddr + ar->msa.mem_size; + qmi->nr_mem_region = resp.mem_region_info_len; + for (i = 0; i < resp.mem_region_info_len; i++) { + if (resp.mem_region_info[i].size > ar->msa.mem_size || + resp.mem_region_info[i].region_addr > max_mapped_addr || + resp.mem_region_info[i].region_addr < ar->msa.paddr || + resp.mem_region_info[i].size + + resp.mem_region_info[i].region_addr > max_mapped_addr) { + ath10k_err(ar, "received out of range memory region address 0x%llx with size 0x%x, aborting\n", + resp.mem_region_info[i].region_addr, + resp.mem_region_info[i].size); + ret = -EINVAL; + goto fail_unwind; + } + qmi->mem_region[i].addr = resp.mem_region_info[i].region_addr; + qmi->mem_region[i].size = resp.mem_region_info[i].size; + qmi->mem_region[i].secure = resp.mem_region_info[i].secure_flag; + ath10k_dbg(ar, ATH10K_DBG_QMI, + "qmi msa mem region %d addr 0x%pa size 0x%x flag 0x%08x\n", + i, &qmi->mem_region[i].addr, + qmi->mem_region[i].size, + qmi->mem_region[i].secure); + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem info request completed\n"); + return 0; + +fail_unwind: + memset(&qmi->mem_region[0], 0, sizeof(qmi->mem_region[0]) * i); +out: + return ret; +} + +static int ath10k_qmi_msa_ready_send_sync_msg(struct ath10k_qmi *qmi) +{ + struct wlfw_msa_ready_resp_msg_v01 resp = {}; + struct wlfw_msa_ready_req_msg_v01 req = {}; + struct ath10k *ar = qmi->ar; + struct qmi_txn txn; + int ret; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, + wlfw_msa_ready_resp_msg_v01_ei, &resp); + if (ret < 0) + goto out; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_MSA_READY_REQ_V01, + WLFW_MSA_READY_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_msa_ready_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send msa mem ready request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "msa ready request rejected: %d\n", resp.resp.error); + ret = -EINVAL; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem ready request completed\n"); + return 0; + +out: + return ret; +} + +static int ath10k_qmi_bdf_dnld_send_sync(struct ath10k_qmi *qmi) +{ + struct wlfw_bdf_download_resp_msg_v01 resp = {}; + struct wlfw_bdf_download_req_msg_v01 *req; + struct ath10k *ar = qmi->ar; + unsigned int remaining; + struct qmi_txn txn; + const u8 *temp; + int ret; + + req = kzalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + temp = ar->normal_mode_fw.board_data; + remaining = ar->normal_mode_fw.board_len; + + while (remaining) { + req->valid = 1; + req->file_id_valid = 1; + req->file_id = 0; + req->total_size_valid = 1; + req->total_size = ar->normal_mode_fw.board_len; + req->seg_id_valid = 1; + req->data_valid = 1; + req->end_valid = 1; + + if (remaining > QMI_WLFW_MAX_DATA_SIZE_V01) { + req->data_len = QMI_WLFW_MAX_DATA_SIZE_V01; + } else { + req->data_len = remaining; + req->end = 1; + } + + memcpy(req->data, temp, req->data_len); + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, + wlfw_bdf_download_resp_msg_v01_ei, + &resp); + if (ret < 0) + goto out; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_BDF_DOWNLOAD_REQ_V01, + WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_bdf_download_req_msg_v01_ei, req); + if (ret < 0) { + qmi_txn_cancel(&txn); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + + if (ret < 0) + goto out; + + /* end = 1 triggers a CRC check on the BDF. If this fails, we + * get a QMI_ERR_MALFORMED_MSG_V01 error, but the FW is still + * willing to use the BDF. For some platforms, all the valid + * released BDFs fail this CRC check, so attempt to detect this + * scenario and treat it as non-fatal. + */ + if (resp.resp.result != QMI_RESULT_SUCCESS_V01 && + !(req->end == 1 && + resp.resp.result == QMI_ERR_MALFORMED_MSG_V01)) { + ath10k_err(ar, "failed to download board data file: %d\n", + resp.resp.error); + ret = -EINVAL; + goto out; + } + + remaining -= req->data_len; + temp += req->data_len; + req->seg_id++; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi bdf download request completed\n"); + + kfree(req); + return 0; + +out: + kfree(req); + return ret; +} + +static int ath10k_qmi_send_cal_report_req(struct ath10k_qmi *qmi) +{ + struct wlfw_cal_report_resp_msg_v01 resp = {}; + struct wlfw_cal_report_req_msg_v01 req = {}; + struct ath10k *ar = qmi->ar; + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct qmi_txn txn; + int i, j = 0; + int ret; + + if (ar_snoc->xo_cal_supported) { + req.xo_cal_data_valid = 1; + req.xo_cal_data = ar_snoc->xo_cal_data; + } + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_cal_report_resp_msg_v01_ei, + &resp); + if (ret < 0) + goto out; + + for (i = 0; i < QMI_WLFW_MAX_NUM_CAL_V01; i++) { + if (qmi->cal_data[i].total_size && + qmi->cal_data[i].data) { + req.meta_data[j] = qmi->cal_data[i].cal_id; + j++; + } + } + req.meta_data_len = j; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_CAL_REPORT_REQ_V01, + WLFW_CAL_REPORT_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_cal_report_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send calibration request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "calibration request rejected: %d\n", resp.resp.error); + ret = -EINVAL; + goto out; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi cal report request completed\n"); + return 0; + +out: + return ret; +} + +static int +ath10k_qmi_mode_send_sync_msg(struct ath10k *ar, enum wlfw_driver_mode_enum_v01 mode) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct ath10k_qmi *qmi = ar_snoc->qmi; + struct wlfw_wlan_mode_resp_msg_v01 resp = {}; + struct wlfw_wlan_mode_req_msg_v01 req = {}; + struct qmi_txn txn; + int ret; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, + wlfw_wlan_mode_resp_msg_v01_ei, + &resp); + if (ret < 0) + goto out; + + req.mode = mode; + req.hw_debug_valid = 1; + req.hw_debug = 0; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_WLAN_MODE_REQ_V01, + WLFW_WLAN_MODE_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_wlan_mode_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send wlan mode %d request: %d\n", mode, ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "more request rejected: %d\n", resp.resp.error); + ret = -EINVAL; + goto out; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wlan mode req completed: %d\n", mode); + return 0; + +out: + return ret; +} + +static int +ath10k_qmi_cfg_send_sync_msg(struct ath10k *ar, + struct ath10k_qmi_wlan_enable_cfg *config, + const char *version) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct ath10k_qmi *qmi = ar_snoc->qmi; + struct wlfw_wlan_cfg_resp_msg_v01 resp = {}; + struct wlfw_wlan_cfg_req_msg_v01 *req; + struct qmi_txn txn; + int ret; + u32 i; + + req = kzalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, + wlfw_wlan_cfg_resp_msg_v01_ei, + &resp); + if (ret < 0) + goto out; + + req->host_version_valid = 0; + + req->tgt_cfg_valid = 1; + if (config->num_ce_tgt_cfg > QMI_WLFW_MAX_NUM_CE_V01) + req->tgt_cfg_len = QMI_WLFW_MAX_NUM_CE_V01; + else + req->tgt_cfg_len = config->num_ce_tgt_cfg; + for (i = 0; i < req->tgt_cfg_len; i++) { + req->tgt_cfg[i].pipe_num = config->ce_tgt_cfg[i].pipe_num; + req->tgt_cfg[i].pipe_dir = config->ce_tgt_cfg[i].pipe_dir; + req->tgt_cfg[i].nentries = config->ce_tgt_cfg[i].nentries; + req->tgt_cfg[i].nbytes_max = config->ce_tgt_cfg[i].nbytes_max; + req->tgt_cfg[i].flags = config->ce_tgt_cfg[i].flags; + } + + req->svc_cfg_valid = 1; + if (config->num_ce_svc_pipe_cfg > QMI_WLFW_MAX_NUM_SVC_V01) + req->svc_cfg_len = QMI_WLFW_MAX_NUM_SVC_V01; + else + req->svc_cfg_len = config->num_ce_svc_pipe_cfg; + for (i = 0; i < req->svc_cfg_len; i++) { + req->svc_cfg[i].service_id = config->ce_svc_cfg[i].service_id; + req->svc_cfg[i].pipe_dir = config->ce_svc_cfg[i].pipe_dir; + req->svc_cfg[i].pipe_num = config->ce_svc_cfg[i].pipe_num; + } + + req->shadow_reg_valid = 1; + if (config->num_shadow_reg_cfg > + QMI_WLFW_MAX_NUM_SHADOW_REG_V01) + req->shadow_reg_len = QMI_WLFW_MAX_NUM_SHADOW_REG_V01; + else + req->shadow_reg_len = config->num_shadow_reg_cfg; + + memcpy(req->shadow_reg, config->shadow_reg_cfg, + sizeof(struct wlfw_shadow_reg_cfg_s_v01) * req->shadow_reg_len); + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_WLAN_CFG_REQ_V01, + WLFW_WLAN_CFG_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_wlan_cfg_req_msg_v01_ei, req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send config request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "config request rejected: %d\n", resp.resp.error); + ret = -EINVAL; + goto out; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi config request completed\n"); + kfree(req); + return 0; + +out: + kfree(req); + return ret; +} + +int ath10k_qmi_wlan_enable(struct ath10k *ar, + struct ath10k_qmi_wlan_enable_cfg *config, + enum wlfw_driver_mode_enum_v01 mode, + const char *version) +{ + int ret; + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi mode %d config %p\n", + mode, config); + + ret = ath10k_qmi_cfg_send_sync_msg(ar, config, version); + if (ret) { + ath10k_err(ar, "failed to send qmi config: %d\n", ret); + return ret; + } + + ret = ath10k_qmi_mode_send_sync_msg(ar, mode); + if (ret) { + ath10k_err(ar, "failed to send qmi mode: %d\n", ret); + return ret; + } + + return 0; +} + +int ath10k_qmi_wlan_disable(struct ath10k *ar) +{ + return ath10k_qmi_mode_send_sync_msg(ar, QMI_WLFW_OFF_V01); +} + +static int ath10k_qmi_cap_send_sync_msg(struct ath10k_qmi *qmi) +{ + struct wlfw_cap_resp_msg_v01 *resp; + struct wlfw_cap_req_msg_v01 req = {}; + struct ath10k *ar = qmi->ar; + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct qmi_txn txn; + int ret; + + resp = kzalloc(sizeof(*resp), GFP_KERNEL); + if (!resp) + return -ENOMEM; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_cap_resp_msg_v01_ei, resp); + if (ret < 0) + goto out; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_CAP_REQ_V01, + WLFW_CAP_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_cap_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send capability request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp->resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "capability req rejected: %d\n", resp->resp.error); + ret = -EINVAL; + goto out; + } + + if (resp->chip_info_valid) { + qmi->chip_info.chip_id = resp->chip_info.chip_id; + qmi->chip_info.chip_family = resp->chip_info.chip_family; + } else { + qmi->chip_info.chip_id = 0xFF; + } + + if (resp->board_info_valid) + qmi->board_info.board_id = resp->board_info.board_id; + else + qmi->board_info.board_id = 0xFF; + + if (resp->soc_info_valid) + qmi->soc_info.soc_id = resp->soc_info.soc_id; + + if (resp->fw_version_info_valid) { + qmi->fw_version = resp->fw_version_info.fw_version; + strscpy(qmi->fw_build_timestamp, resp->fw_version_info.fw_build_timestamp, + sizeof(qmi->fw_build_timestamp)); + } + + if (resp->fw_build_id_valid) + strscpy(qmi->fw_build_id, resp->fw_build_id, + MAX_BUILD_ID_LEN + 1); + + if (!test_bit(ATH10K_SNOC_FLAG_REGISTERED, &ar_snoc->flags)) { + ath10k_info(ar, "qmi chip_id 0x%x chip_family 0x%x board_id 0x%x soc_id 0x%x", + qmi->chip_info.chip_id, qmi->chip_info.chip_family, + qmi->board_info.board_id, qmi->soc_info.soc_id); + ath10k_info(ar, "qmi fw_version 0x%x fw_build_timestamp %s fw_build_id %s", + qmi->fw_version, qmi->fw_build_timestamp, qmi->fw_build_id); + } + + kfree(resp); + return 0; + +out: + kfree(resp); + return ret; +} + +static int ath10k_qmi_host_cap_send_sync(struct ath10k_qmi *qmi) +{ + struct wlfw_host_cap_resp_msg_v01 resp = {}; + struct wlfw_host_cap_req_msg_v01 req = {}; + struct qmi_elem_info *req_ei; + struct ath10k *ar = qmi->ar; + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct qmi_txn txn; + int ret; + + req.daemon_support_valid = 1; + req.daemon_support = 0; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_host_cap_resp_msg_v01_ei, + &resp); + if (ret < 0) + goto out; + + if (test_bit(ATH10K_SNOC_FLAG_8BIT_HOST_CAP_QUIRK, &ar_snoc->flags)) + req_ei = wlfw_host_cap_8bit_req_msg_v01_ei; + else + req_ei = wlfw_host_cap_req_msg_v01_ei; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_HOST_CAP_REQ_V01, + WLFW_HOST_CAP_REQ_MSG_V01_MAX_MSG_LEN, + req_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send host capability request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + /* older FW didn't support this request, which is not fatal */ + if (resp.resp.result != QMI_RESULT_SUCCESS_V01 && + resp.resp.error != QMI_ERR_NOT_SUPPORTED_V01) { + ath10k_err(ar, "host capability request rejected: %d\n", resp.resp.error); + ret = -EINVAL; + goto out; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi host capability request completed\n"); + return 0; + +out: + return ret; +} + +int ath10k_qmi_set_fw_log_mode(struct ath10k *ar, u8 fw_log_mode) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct wlfw_ini_resp_msg_v01 resp = {}; + struct ath10k_qmi *qmi = ar_snoc->qmi; + struct wlfw_ini_req_msg_v01 req = {}; + struct qmi_txn txn; + int ret; + + req.enablefwlog_valid = 1; + req.enablefwlog = fw_log_mode; + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_ini_resp_msg_v01_ei, + &resp); + if (ret < 0) + goto out; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_INI_REQ_V01, + WLFW_INI_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_ini_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send fw log request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "fw log request rejected: %d\n", + resp.resp.error); + ret = -EINVAL; + goto out; + } + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi fw log request completed, mode: %d\n", + fw_log_mode); + return 0; + +out: + return ret; +} + +static int +ath10k_qmi_ind_register_send_sync_msg(struct ath10k_qmi *qmi) +{ + struct wlfw_ind_register_resp_msg_v01 resp = {}; + struct wlfw_ind_register_req_msg_v01 req = {}; + struct ath10k *ar = qmi->ar; + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct qmi_txn txn; + int ret; + + req.client_id_valid = 1; + req.client_id = ATH10K_QMI_CLIENT_ID; + req.fw_ready_enable_valid = 1; + req.fw_ready_enable = 1; + req.msa_ready_enable_valid = 1; + req.msa_ready_enable = 1; + + if (ar_snoc->xo_cal_supported) { + req.xo_cal_enable_valid = 1; + req.xo_cal_enable = 1; + } + + ret = qmi_txn_init(&qmi->qmi_hdl, &txn, + wlfw_ind_register_resp_msg_v01_ei, &resp); + if (ret < 0) + goto out; + + ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn, + QMI_WLFW_IND_REGISTER_REQ_V01, + WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN, + wlfw_ind_register_req_msg_v01_ei, &req); + if (ret < 0) { + qmi_txn_cancel(&txn); + ath10k_err(ar, "failed to send indication registered request: %d\n", ret); + goto out; + } + + ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ); + if (ret < 0) + goto out; + + if (resp.resp.result != QMI_RESULT_SUCCESS_V01) { + ath10k_err(ar, "indication request rejected: %d\n", resp.resp.error); + ret = -EINVAL; + goto out; + } + + if (resp.fw_status_valid) { + if (resp.fw_status & QMI_WLFW_FW_READY_V01) + qmi->fw_ready = true; + } + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi indication register request completed\n"); + return 0; + +out: + return ret; +} + +static void ath10k_qmi_event_server_arrive(struct ath10k_qmi *qmi) +{ + struct ath10k *ar = qmi->ar; + int ret; + + ret = ath10k_qmi_ind_register_send_sync_msg(qmi); + if (ret) + return; + + if (qmi->fw_ready) { + ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND); + return; + } + + ret = ath10k_qmi_host_cap_send_sync(qmi); + if (ret) + return; + + ret = ath10k_qmi_msa_mem_info_send_sync_msg(qmi); + if (ret) + return; + + /* + * HACK: sleep for a while between receiving the msa info response + * and the XPU update to prevent SDM845 from crashing due to a security + * violation, when running MPSS.AT.4.0.c2-01184-SDM845_GEN_PACK-1. + */ + msleep(20); + + ret = ath10k_qmi_setup_msa_permissions(qmi); + if (ret) + return; + + ret = ath10k_qmi_msa_ready_send_sync_msg(qmi); + if (ret) + goto err_setup_msa; + + ret = ath10k_qmi_cap_send_sync_msg(qmi); + if (ret) + goto err_setup_msa; + + return; + +err_setup_msa: + ath10k_qmi_remove_msa_permission(qmi); +} + +static int ath10k_qmi_fetch_board_file(struct ath10k_qmi *qmi) +{ + struct ath10k *ar = qmi->ar; + int ret; + + ar->hif.bus = ATH10K_BUS_SNOC; + ar->id.qmi_ids_valid = true; + ar->id.qmi_board_id = qmi->board_info.board_id; + ar->id.qmi_chip_id = qmi->chip_info.chip_id; + ar->hw_params.fw.dir = WCN3990_HW_1_0_FW_DIR; + + ret = ath10k_core_check_dt(ar); + if (ret) + ath10k_dbg(ar, ATH10K_DBG_QMI, "DT bdf variant name not set.\n"); + + return ath10k_core_fetch_board_file(qmi->ar, ATH10K_BD_IE_BOARD); +} + +static int +ath10k_qmi_driver_event_post(struct ath10k_qmi *qmi, + enum ath10k_qmi_driver_event_type type, + void *data) +{ + struct ath10k_qmi_driver_event *event; + + event = kzalloc(sizeof(*event), GFP_ATOMIC); + if (!event) + return -ENOMEM; + + event->type = type; + event->data = data; + + spin_lock(&qmi->event_lock); + list_add_tail(&event->list, &qmi->event_list); + spin_unlock(&qmi->event_lock); + + queue_work(qmi->event_wq, &qmi->event_work); + + return 0; +} + +static void ath10k_qmi_event_server_exit(struct ath10k_qmi *qmi) +{ + struct ath10k *ar = qmi->ar; + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + + ath10k_qmi_remove_msa_permission(qmi); + ath10k_core_free_board_files(ar); + if (!test_bit(ATH10K_SNOC_FLAG_UNREGISTERING, &ar_snoc->flags) && + !test_bit(ATH10K_SNOC_FLAG_MODEM_STOPPED, &ar_snoc->flags)) + ath10k_snoc_fw_crashed_dump(ar); + + ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_DOWN_IND); + ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service disconnected\n"); +} + +static void ath10k_qmi_event_msa_ready(struct ath10k_qmi *qmi) +{ + int ret; + + ret = ath10k_qmi_fetch_board_file(qmi); + if (ret) + goto out; + + ret = ath10k_qmi_bdf_dnld_send_sync(qmi); + if (ret) + goto out; + + ret = ath10k_qmi_send_cal_report_req(qmi); + +out: + return; +} + +static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi) +{ + struct ath10k *ar = qmi->ar; + + ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw ready event received\n"); + ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND); + + return 0; +} + +static void ath10k_qmi_fw_ready_ind(struct qmi_handle *qmi_hdl, + struct sockaddr_qrtr *sq, + struct qmi_txn *txn, const void *data) +{ + struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl); + + ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_FW_READY_IND, NULL); +} + +static void ath10k_qmi_msa_ready_ind(struct qmi_handle *qmi_hdl, + struct sockaddr_qrtr *sq, + struct qmi_txn *txn, const void *data) +{ + struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl); + + ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_MSA_READY_IND, NULL); +} + +static const struct qmi_msg_handler qmi_msg_handler[] = { + { + .type = QMI_INDICATION, + .msg_id = QMI_WLFW_FW_READY_IND_V01, + .ei = wlfw_fw_ready_ind_msg_v01_ei, + .decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01), + .fn = ath10k_qmi_fw_ready_ind, + }, + { + .type = QMI_INDICATION, + .msg_id = QMI_WLFW_MSA_READY_IND_V01, + .ei = wlfw_msa_ready_ind_msg_v01_ei, + .decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01), + .fn = ath10k_qmi_msa_ready_ind, + }, + {} +}; + +static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl, + struct qmi_service *service) +{ + struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl); + struct sockaddr_qrtr *sq = &qmi->sq; + struct ath10k *ar = qmi->ar; + int ret; + + sq->sq_family = AF_QIPCRTR; + sq->sq_node = service->node; + sq->sq_port = service->port; + + ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service found\n"); + + ret = kernel_connect(qmi_hdl->sock, (struct sockaddr *)&qmi->sq, + sizeof(qmi->sq), 0); + if (ret) { + ath10k_err(ar, "failed to connect to a remote QMI service port\n"); + return ret; + } + + ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wifi fw qmi service connected\n"); + ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_ARRIVE, NULL); + + return ret; +} + +static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl, + struct qmi_service *service) +{ + struct ath10k_qmi *qmi = + container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl); + + qmi->fw_ready = false; + + /* + * The del_server event is to be processed only if coming from + * the qmi server. The qmi infrastructure sends del_server, when + * any client releases the qmi handle. In this case do not process + * this del_server event. + */ + if (qmi->state == ATH10K_QMI_STATE_INIT_DONE) + ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_EXIT, + NULL); +} + +static const struct qmi_ops ath10k_qmi_ops = { + .new_server = ath10k_qmi_new_server, + .del_server = ath10k_qmi_del_server, +}; + +static void ath10k_qmi_driver_event_work(struct work_struct *work) +{ + struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi, + event_work); + struct ath10k_qmi_driver_event *event; + struct ath10k *ar = qmi->ar; + + spin_lock(&qmi->event_lock); + while (!list_empty(&qmi->event_list)) { + event = list_first_entry(&qmi->event_list, + struct ath10k_qmi_driver_event, list); + list_del(&event->list); + spin_unlock(&qmi->event_lock); + + switch (event->type) { + case ATH10K_QMI_EVENT_SERVER_ARRIVE: + ath10k_qmi_event_server_arrive(qmi); + break; + case ATH10K_QMI_EVENT_SERVER_EXIT: + ath10k_qmi_event_server_exit(qmi); + break; + case ATH10K_QMI_EVENT_FW_READY_IND: + ath10k_qmi_event_fw_ready_ind(qmi); + break; + case ATH10K_QMI_EVENT_MSA_READY_IND: + ath10k_qmi_event_msa_ready(qmi); + break; + default: + ath10k_warn(ar, "invalid event type: %d", event->type); + break; + } + kfree(event); + spin_lock(&qmi->event_lock); + } + spin_unlock(&qmi->event_lock); +} + +int ath10k_qmi_init(struct ath10k *ar, u32 msa_size) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct device *dev = ar->dev; + struct ath10k_qmi *qmi; + int ret; + + qmi = kzalloc(sizeof(*qmi), GFP_KERNEL); + if (!qmi) + return -ENOMEM; + + qmi->ar = ar; + ar_snoc->qmi = qmi; + + if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm")) + qmi->msa_fixed_perm = true; + + ret = qmi_handle_init(&qmi->qmi_hdl, + WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN, + &ath10k_qmi_ops, qmi_msg_handler); + if (ret) + goto err; + + qmi->event_wq = alloc_workqueue("ath10k_qmi_driver_event", + WQ_UNBOUND, 1); + if (!qmi->event_wq) { + ath10k_err(ar, "failed to allocate workqueue\n"); + ret = -EFAULT; + goto err_release_qmi_handle; + } + + INIT_LIST_HEAD(&qmi->event_list); + spin_lock_init(&qmi->event_lock); + INIT_WORK(&qmi->event_work, ath10k_qmi_driver_event_work); + + ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01, + WLFW_SERVICE_VERS_V01, 0); + if (ret) + goto err_qmi_lookup; + + qmi->state = ATH10K_QMI_STATE_INIT_DONE; + return 0; + +err_qmi_lookup: + destroy_workqueue(qmi->event_wq); + +err_release_qmi_handle: + qmi_handle_release(&qmi->qmi_hdl); + +err: + kfree(qmi); + return ret; +} + +int ath10k_qmi_deinit(struct ath10k *ar) +{ + struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); + struct ath10k_qmi *qmi = ar_snoc->qmi; + + qmi->state = ATH10K_QMI_STATE_DEINIT; + qmi_handle_release(&qmi->qmi_hdl); + cancel_work_sync(&qmi->event_work); + destroy_workqueue(qmi->event_wq); + kfree(qmi); + ar_snoc->qmi = NULL; + + return 0; +} |