From patchwork Wed Sep 6 12:35:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lingbo Kong X-Patchwork-Id: 721731 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACE3AEB8FB8 for ; Wed, 6 Sep 2023 12:35:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240160AbjIFMfv (ORCPT ); Wed, 6 Sep 2023 08:35:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238313AbjIFMfu (ORCPT ); Wed, 6 Sep 2023 08:35:50 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C43A51713 for ; Wed, 6 Sep 2023 05:35:45 -0700 (PDT) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 386B3U5B021618; Wed, 6 Sep 2023 12:35:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=AbzEXdDQh6zVH/rvVLcNZDX4PD/2PQVHgvsk+AeBwas=; b=bGck6atULy1LtovT1NSw5Rnpd0L3zqu6mRt9x3Ls4PbrgkMVXxp6Tz0qeBiSkrHJDMVv 9b2gI8o0vaUAhE5Pnk/t53KoFAwQwAAJAbKBJ30MosMAxUy2a8B7UfxlVIa6tcx9gN6I 2wmsdU9VtJl08SFuvHBI33zPSH55eXtJkTIiVoWNoir+KwwY8I8Ts2SP4zjIpWIqio3g OSXNbOtKQAUZ9RnST9PwVcFW6hoMQ3wu+WFaB9kp2Pf/ujT2gtjsRhDCCW0QWvRB4QdZ ot4BpvuQyOp5Yp0iQHXCPpu6C/wT5EWWEn03rjEAFYzXQEtRsVPAUYQVrfwrhlVg/SJh Ew== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3sxgsqscmy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 06 Sep 2023 12:35:36 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 386CZZOm015166 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 6 Sep 2023 12:35:35 GMT Received: from lingbok-HP-EliteBook-8460p.qca.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Wed, 6 Sep 2023 05:35:34 -0700 From: Lingbo Kong To: , CC: Subject: [PATCH v2 1/4] wifi: ath12k: add TAS capability for WCN7850 Date: Wed, 6 Sep 2023 20:35:17 +0800 Message-ID: <20230906123520.184726-2-quic_lingbok@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230906123520.184726-1-quic_lingbok@quicinc.com> References: <20230906123520.184726-1-quic_lingbok@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: hgdibB322hNqSLg-ElDm1CpRJWcxdWdr X-Proofpoint-ORIG-GUID: hgdibB322hNqSLg-ElDm1CpRJWcxdWdr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-06_04,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 phishscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309060107 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org In order to enable Time-Average-SAR(TAS) for WCN7850, define some functions. One function is to return TAS configuration, the other return SAR power table, then ath12k apply these data to wlan firmware. ath12k register an ACPI event callback so that ACPI can notify ath12k to retrieve the updated SAR power table and apply it to wlan firmware. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Lingbo Kong --- v2: 1.put in the include guard drivers/net/wireless/ath/ath12k/Makefile | 3 +- drivers/net/wireless/ath/ath12k/acpi.c | 203 +++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/acpi.h | 28 ++++ drivers/net/wireless/ath/ath12k/core.c | 6 + drivers/net/wireless/ath/ath12k/core.h | 8 + drivers/net/wireless/ath/ath12k/hw.c | 10 ++ drivers/net/wireless/ath/ath12k/hw.h | 4 +- drivers/net/wireless/ath/ath12k/pci.c | 6 + drivers/net/wireless/ath/ath12k/wmi.c | 82 +++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 20 ++- 10 files changed, 367 insertions(+), 3 deletions(-) create mode 100644 drivers/net/wireless/ath/ath12k/acpi.c create mode 100644 drivers/net/wireless/ath/ath12k/acpi.h diff --git a/drivers/net/wireless/ath/ath12k/Makefile b/drivers/net/wireless/ath/ath12k/Makefile index 62c52e733b5e..a479fe06caac 100644 --- a/drivers/net/wireless/ath/ath12k/Makefile +++ b/drivers/net/wireless/ath/ath12k/Makefile @@ -19,7 +19,8 @@ ath12k-y += core.o \ hw.o \ mhi.o \ pci.o \ - dp_mon.o + dp_mon.o \ + acpi.o ath12k-$(CONFIG_ATH12K_TRACING) += trace.o diff --git a/drivers/net/wireless/ath/ath12k/acpi.c b/drivers/net/wireless/ath/ath12k/acpi.c new file mode 100644 index 000000000000..384e01748b32 --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/acpi.c @@ -0,0 +1,203 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include "core.h" +#include "acpi.h" +#include "debug.h" + +static int ath12k_acpi_dsm_get_data(struct ath12k_base *ab, int func) +{ + union acpi_object *obj; + acpi_handle root_handle; + int ret = 0; + + root_handle = ACPI_HANDLE(ab->dev); + if (!root_handle) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, "invalid ACPI handler\n"); + return -EOPNOTSUPP; + } + + obj = acpi_evaluate_dsm(root_handle, ab->hw_params->acpi_guid, 0, func, + NULL); + + if (!obj) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, "ACPI _DSM method invocation failed\n"); + return -ENOENT; + } + + if (obj->type == ACPI_TYPE_INTEGER) { + ab->acdata->func_bit = obj->integer.value; + } else if (obj->type == ACPI_TYPE_BUFFER) { + switch (func) { + case ATH12K_ACPI_DSM_FUNC_INDEX_TAS_CFG: + if (obj->buffer.length != ATH12K_ACPI_DSM_TAS_CFG_SIZE) { + ath12k_err(ab, "Invalid TAS cfg size %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + memcpy(&ab->acdata->tas_cfg, obj->buffer.pointer, + obj->buffer.length); + break; + case ATH12K_ACPI_DSM_FUNC_INDEX_TAS_DATA: + if (obj->buffer.length != ATH12K_ACPI_DSM_TAS_DATA_SIZE) { + ath12k_err(ab, "Invalid TAS data size %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + memcpy(&ab->acdata->tas_sar_power_table, obj->buffer.pointer, + obj->buffer.length); + break; + } + } else { + ath12k_err(ab, + "ACPI: DSM method did not return a valid object, type %d\n", + obj->type); + ret = -EINVAL; + } + +out: + ACPI_FREE(obj); + return ret; +} + +static int ath12k_set_tas_power_limit_data(struct ath12k_base *ab) +{ + int ret; + + if (ab->acdata->tas_sar_power_table[0] == ATH12K_ACPI_TAS_DATA_VERSION && + ab->acdata->tas_sar_power_table[1] == ATH12K_ACPI_TAS_DATA_ENABLE_FLAG) { + ret = ath12k_wmi_pdev_set_tas_data_table_param(ab, + ab->acdata->tas_sar_power_table); + if (ret) + ath12k_err(ab, "failed to pass tas data table %d\n", ret); + } else { + ath12k_err(ab, "the latest tas data is invalid\n"); + ret = -EINVAL; + } + + return ret; +} + +void acpi_dsm_notify(acpi_handle handle, u32 event, void *data) +{ + int ret; + struct ath12k_base *ab = data; + + if (event == ATH12K_ACPI_NOTIFY_EVENT) { + if (ab->acdata->acpi_tas_enable) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_TAS_DATA); + if (ret) { + ath12k_err(ab, "failed to update tas data table %d\n", ret); + return; + } + + ret = ath12k_set_tas_power_limit_data(ab); + if (ret) + return; + } + } else { + ath12k_err(ab, "unknown acpi notify %u\n", event); + } +} + +void ath12k_acpi_remove_notify(struct ath12k_base *ab) +{ + acpi_remove_notify_handler(ACPI_HANDLE(ab->dev), + ACPI_DEVICE_NOTIFY, + acpi_dsm_notify); +} + +static int ath12k_pass_acpi_cfg_and_data_to_fw(struct ath12k_base *ab) +{ + int ret; + + ret = ath12k_wmi_pdev_set_tas_cfg_table_param(ab, + ab->acdata->tas_cfg); + if (ret) { + ath12k_err(ab, "failed to pass tas cfg table to fw %d\n", ret); + return ret; + } + + ret = ath12k_wmi_pdev_set_tas_data_table_param(ab, + ab->acdata->tas_sar_power_table); + if (ret) + ath12k_err(ab, "failed to pass tas data table to fw %d\n", ret); + + return ret; +} + +int ath12k_get_acpi_all_data(struct ath12k_base *ab) +{ + int ret; + acpi_status status; + + ab->acdata = kzalloc(sizeof(*ab->acdata), GFP_KERNEL); + if (!ab->acdata) + return -ENOMEM; + + ab->acdata->acpi_tas_enable = false; + + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_SUPPORT_FUNCS); + + if (ret) + return ret; + + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_TAS_CFG)) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_TAS_CFG); + if (ret) { + ath12k_err(ab, "failed to get tas cfg table %d\n", ret); + goto err_free_acdata; + } + } + + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_TAS_DATA)) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_TAS_DATA); + if (ret) { + ath12k_err(ab, "failed to get tas data table %d\n", ret); + goto err_free_acdata; + } + + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_TAS_CFG) && + ab->acdata->tas_sar_power_table[0] == ATH12K_ACPI_TAS_DATA_VERSION && + ab->acdata->tas_sar_power_table[1] == ATH12K_ACPI_TAS_DATA_ENABLE_FLAG) + ab->acdata->acpi_tas_enable = true; + } + + if (ab->acdata->acpi_tas_enable) { + ret = ath12k_pass_acpi_cfg_and_data_to_fw(ab); + if (ret) + goto err_free_acdata; + } + + status = acpi_install_notify_handler(ACPI_HANDLE(ab->dev), + ACPI_DEVICE_NOTIFY, + acpi_dsm_notify, ab); + if (ACPI_FAILURE(status)) { + ath12k_err(ab, "failed to install DSM notify callback\n"); + goto err_remove_notify; + } + + return 0; + +err_remove_notify: + acpi_remove_notify_handler(ACPI_HANDLE(ab->dev), + ACPI_DEVICE_NOTIFY, + acpi_dsm_notify); + + ret = -EIO; + +err_free_acdata: + kfree(ab->acdata); + ab->acdata = NULL; + + return ret; +} diff --git a/drivers/net/wireless/ath/ath12k/acpi.h b/drivers/net/wireless/ath/ath12k/acpi.h new file mode 100644 index 000000000000..e6eb6f02d524 --- /dev/null +++ b/drivers/net/wireless/ath/ath12k/acpi.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: BSD-3-Clause-Clear */ +/* + * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#ifndef ATH12K_ACPI_H +#define ATH12K_ACPI_H + +#include + +#define ATH12K_ACPI_DSM_FUNC_INDEX_SUPPORT_FUNCS 0 +#define ATH12K_ACPI_DSM_FUNC_INDEX_TAS_CFG 8 +#define ATH12K_ACPI_DSM_FUNC_INDEX_TAS_DATA 9 + +#define ATH12K_ACPI_DSM_TAS_CFG_SIZE 108 +#define ATH12K_ACPI_DSM_TAS_DATA_SIZE 69 +#define ATH12K_ACPI_FUNC_BIT_TAS_CFG BIT(7) +#define ATH12K_ACPI_FUNC_BIT_TAS_DATA BIT(8) + +#define ATH12K_ACPI_NOTIFY_EVENT 0x86 +#define ATH12K_ACPI_FUNC_BIT_VALID(_acdata, _func) ((((_acdata)->func_bit) & (_func)) != 0) + +#define ATH12K_ACPI_TAS_DATA_VERSION 0x1 +#define ATH12K_ACPI_TAS_DATA_ENABLE_FLAG 0x1 + +int ath12k_get_acpi_all_data(struct ath12k_base *ab); +void acpi_dsm_notify(acpi_handle handle, u32 event, void *data); +#endif diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 39f938fafa81..457261c7a0e9 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -538,6 +538,12 @@ static int ath12k_core_start(struct ath12k_base *ab, goto err_reo_cleanup; } + if (!guid_is_null(ab->hw_params->acpi_guid)) { + ret = ath12k_get_acpi_all_data(ab); + if (!ret) + ath12k_info(ab, "success to get acpi cfg data\n"); + } + return 0; err_reo_cleanup: diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index d873b573dac6..cba4f176c018 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -22,6 +22,7 @@ #include "hal_rx.h" #include "reg.h" #include "dbring.h" +#include "acpi.h" #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK) @@ -771,6 +772,13 @@ struct ath12k_base { u64 fw_soc_drop_count; bool static_window_map; + struct { + u32 func_bit; + bool acpi_tas_enable; + u8 tas_cfg[ATH12K_ACPI_DSM_TAS_CFG_SIZE]; + u8 tas_sar_power_table[ATH12K_ACPI_DSM_TAS_DATA_SIZE]; + } *acdata; + /* must be last */ u8 drv_priv[] __aligned(sizeof(void *)); }; diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c index 5991cc91cd00..f0f7f9dbb08a 100644 --- a/drivers/net/wireless/ath/ath12k/hw.c +++ b/drivers/net/wireless/ath/ath12k/hw.c @@ -15,6 +15,10 @@ #include "mhi.h" #include "dp_rx.h" +static const guid_t wcn7850_uuid = GUID_INIT(0xf634f534, 0x6147, 0x11ec, + 0x90, 0xd6, 0x02, 0x42, + 0xac, 0x12, 0x00, 0x03); + static u8 ath12k_hw_qcn9274_mac_from_pdev_id(int pdev_idx) { return pdev_idx; @@ -907,6 +911,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .hal_ops = &hal_qcn9274_ops, .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01), + + .acpi_guid = NULL, }, { .name = "wcn7850 hw2.0", @@ -964,6 +970,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01) | BIT(CNSS_PCIE_PERST_NO_PULL_V01), + + .acpi_guid = &wcn7850_uuid, }, { .name = "qcn9274 hw2.0", @@ -1019,6 +1027,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = { .hal_ops = &hal_qcn9274_ops, .qmi_cnss_feature_bitmap = BIT(CNSS_QDSS_CFG_MISS_V01), + + .acpi_guid = NULL, }, }; diff --git a/drivers/net/wireless/ath/ath12k/hw.h b/drivers/net/wireless/ath/ath12k/hw.h index e6c4223c283c..ab409e8ae268 100644 --- a/drivers/net/wireless/ath/ath12k/hw.h +++ b/drivers/net/wireless/ath/ath12k/hw.h @@ -8,7 +8,7 @@ #define ATH12K_HW_H #include - +#include #include "wmi.h" #include "hal.h" @@ -186,6 +186,8 @@ struct ath12k_hw_params { const struct hal_ops *hal_ops; u64 qmi_cnss_feature_bitmap; + + const guid_t *acpi_guid; }; struct ath12k_hw_ops { diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index bd689efa7daa..3c2967e760ab 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -1340,6 +1340,12 @@ static void ath12k_pci_remove(struct pci_dev *pdev) ath12k_hal_srng_deinit(ab); ath12k_ce_free_pipes(ab); + if (!guid_is_null(ab->hw_params->acpi_guid) && ab->acdata) { + acpi_remove_notify_handler(ACPI_HANDLE(ab->dev), + ACPI_DEVICE_NOTIFY, + acpi_dsm_notify); + kfree(ab->acdata); + } ath12k_core_free(ab); } diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index f48ab69e256a..e473712f0dab 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -6918,3 +6918,85 @@ void ath12k_wmi_detach(struct ath12k_base *ab) ath12k_wmi_free_dbring_caps(ab); } + +int ath12k_wmi_pdev_set_tas_cfg_table_param(struct ath12k_base *ab, + const u8 *ptas_cfg) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_interface_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + u8 *buf_ptr; + u32 len, len_aligned; + int ret; + + len_aligned = roundup(ATH12K_ACPI_DSM_TAS_CFG_SIZE, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_interface_cmd *)skb->data; + cmd->tlv_header = + cpu_to_le32(ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD_PARAMS, + sizeof(*cmd))); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->param_type_id = cpu_to_le32(WMI_BIOS_PARAM_TAS_CONFIG_TYPE); + cmd->length = cpu_to_le32(ATH12K_ACPI_DSM_TAS_CFG_SIZE); + + buf_ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, ptas_cfg, ATH12K_ACPI_DSM_TAS_CFG_SIZE); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_BIOS_INTERFACE_CMDID); + if (ret) { + ath12k_warn(ab, "failed to send WMI_PDEV_SET_BIOS_INTERFACE_CMDID %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} + +int ath12k_wmi_pdev_set_tas_data_table_param(struct ath12k_base *ab, + const u8 *ptas_data) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_interface_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + u8 *buf_ptr; + u32 len, len_aligned; + int ret; + + len_aligned = roundup(ATH12K_ACPI_DSM_TAS_DATA_SIZE, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_interface_cmd *)skb->data; + cmd->tlv_header = + cpu_to_le32(ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD_PARAMS, + sizeof(*cmd))); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->param_type_id = cpu_to_le32(WMI_BIOS_PARAM_TAS_DATA_TYPE); + cmd->length = cpu_to_le32(ATH12K_ACPI_DSM_TAS_DATA_SIZE); + + buf_ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, ptas_data, ATH12K_ACPI_DSM_TAS_DATA_SIZE); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_BIOS_INTERFACE_CMDID); + if (ret) { + ath12k_warn(ab, "failed to send WMI_PDEV_SET_BIOS_INTERFACE_CMDID %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index c75a6fa1f7e0..38bbf59fc6b7 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -361,6 +361,7 @@ enum wmi_tlv_cmd_id { WMI_PDEV_DMA_RING_CFG_REQ_CMDID, WMI_PDEV_HE_TB_ACTION_FRM_CMDID, WMI_PDEV_PKTLOG_FILTER_CMDID, + WMI_PDEV_SET_BIOS_INTERFACE_CMDID = 0x404A, WMI_VDEV_CREATE_CMDID = WMI_TLV_CMD(WMI_GRP_VDEV), WMI_VDEV_DELETE_CMDID, WMI_VDEV_START_REQUEST_CMDID, @@ -1931,6 +1932,7 @@ enum wmi_tlv_tag { WMI_TAG_REGULATORY_RULE_EXT_STRUCT = 0x3A9, WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT, WMI_TAG_EHT_RATE_SET = 0x3C4, + WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD_PARAMS = 0x3FB, WMI_TAG_MAX }; @@ -4791,6 +4793,19 @@ struct ath12k_wmi_base { struct ath12k_wmi_target_cap_arg *targ_cap; }; +struct wmi_pdev_set_bios_interface_cmd { + __le32 tlv_header; + __le32 pdev_id; + __le32 param_type_id; + __le32 length; +} __packed; + +enum bios_param_type { + WMI_BIOS_PARAM_TAS_CONFIG_TYPE = 1, + WMI_BIOS_PARAM_TAS_DATA_TYPE = 2, + WMI_BIOS_PARAM_TYPE_MAX, +}; + #define ATH12K_FW_STATS_BUF_SIZE (1024 * 1024) void ath12k_wmi_init_qcn9274(struct ath12k_base *ab, @@ -4912,5 +4927,8 @@ int ath12k_wmi_probe_resp_tmpl(struct ath12k *ar, u32 vdev_id, struct sk_buff *tmpl); int ath12k_wmi_set_hw_mode(struct ath12k_base *ab, enum wmi_host_hw_mode_config_type mode); - +int ath12k_wmi_pdev_set_tas_cfg_table_param(struct ath12k_base *ab, + const u8 *ptas_cfg); +int ath12k_wmi_pdev_set_tas_data_table_param(struct ath12k_base *ab, + const u8 *ptas_data); #endif From patchwork Wed Sep 6 12:35:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lingbo Kong X-Patchwork-Id: 721730 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 125EAEB8FBF for ; 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Wed, 6 Sep 2023 05:35:35 -0700 From: Lingbo Kong To: , CC: Subject: [PATCH v2 2/4] wifi: ath12k: add BIOS SAR capability for WCN7850 Date: Wed, 6 Sep 2023 20:35:18 +0800 Message-ID: <20230906123520.184726-3-quic_lingbok@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230906123520.184726-1-quic_lingbok@quicinc.com> References: <20230906123520.184726-1-quic_lingbok@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: hF8PkVoBpcqYOd6qd_dhhbRvnIAk-m9p X-Proofpoint-ORIG-GUID: hF8PkVoBpcqYOd6qd_dhhbRvnIAk-m9p X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-06_05,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 adultscore=0 phishscore=0 mlxlogscore=999 mlxscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309060108 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org ath12k get the latest BIOS SAR power table by using ACPI _DSM method, then pass this table to the firmware.ath12k register a notification callback for ACPI event so ACPI can notify ath12k to get the latest BIOS SAR table. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Lingbo Kong --- v2: 1.no change drivers/net/wireless/ath/ath12k/acpi.c | 103 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/acpi.h | 15 ++++ drivers/net/wireless/ath/ath12k/core.h | 3 + drivers/net/wireless/ath/ath12k/wmi.c | 94 ++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 21 +++++ 5 files changed, 236 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/acpi.c b/drivers/net/wireless/ath/ath12k/acpi.c index 384e01748b32..ae1ce7b99d2d 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.c +++ b/drivers/net/wireless/ath/ath12k/acpi.c @@ -52,6 +52,26 @@ static int ath12k_acpi_dsm_get_data(struct ath12k_base *ab, int func) memcpy(&ab->acdata->tas_sar_power_table, obj->buffer.pointer, obj->buffer.length); break; + case ATH12K_ACPI_DSM_FUNC_INDEX_BIOS_SAR: + if (obj->buffer.length != ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE) { + ath12k_err(ab, "Invalid BIOS SAR data size %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + memcpy(&ab->acdata->bios_sar_data, obj->buffer.pointer, + obj->buffer.length); + break; + case ATH12K_ACPI_DSM_FUNC_INDEX_GEO_OFFSET: + if (obj->buffer.length != ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE) { + ath12k_err(ab, "Invalid GEO OFFSET data size %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + memcpy(&ab->acdata->geo_offset_data, obj->buffer.pointer, + obj->buffer.length); + break; } } else { ath12k_err(ab, @@ -83,6 +103,24 @@ static int ath12k_set_tas_power_limit_data(struct ath12k_base *ab) return ret; } +static int ath12k_set_bios_sar_power_limit_data(struct ath12k_base *ab) +{ + int ret; + + if (ab->acdata->bios_sar_data[0] == ATH12K_ACPI_POWER_LIMIT_VERSION && + ab->acdata->bios_sar_data[1] == ATH12K_ACPI_POWER_LIMIT_ENABLE_FLAG) { + ret = ath12k_wmi_pdev_set_bios_sar_table_param(ab, + ab->acdata->bios_sar_data); + if (ret) + ath12k_err(ab, "failed to pass bios sar table %d\n", ret); + } else { + ath12k_err(ab, "the latest bios sar data is invalid\n"); + ret = -EINVAL; + } + + return ret; +} + void acpi_dsm_notify(acpi_handle handle, u32 event, void *data) { int ret; @@ -101,6 +139,20 @@ void acpi_dsm_notify(acpi_handle handle, u32 event, void *data) if (ret) return; } + + if (ab->acdata->acpi_bios_sar_enable) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_BIOS_SAR); + if (ret) { + ath12k_err(ab, "failed to update bios sar %d\n", ret); + return; + } + + ret = ath12k_set_bios_sar_power_limit_data(ab); + if (ret) + return; + } + } else { ath12k_err(ab, "unknown acpi notify %u\n", event); } @@ -113,6 +165,27 @@ void ath12k_acpi_remove_notify(struct ath12k_base *ab) acpi_dsm_notify); } +static int ath12k_pass_acpi_bios_sar_and_geo_to_fw(struct ath12k_base *ab) +{ + int ret; + + ret = ath12k_wmi_pdev_set_bios_sar_table_param(ab, + ab->acdata->bios_sar_data); + + if (ret) { + ath12k_err(ab, "failed to pass bios sar table to fw %d\n", ret); + return ret; + } + + ret = ath12k_wmi_pdev_set_bios_geo_table_param(ab, + ab->acdata->geo_offset_data); + + if (ret) + ath12k_err(ab, "failed to pass bios geo table to fw %d\n", ret); + + return ret; +} + static int ath12k_pass_acpi_cfg_and_data_to_fw(struct ath12k_base *ab) { int ret; @@ -172,12 +245,42 @@ int ath12k_get_acpi_all_data(struct ath12k_base *ab) ab->acdata->acpi_tas_enable = true; } + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_BIOS_SAR)) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_BIOS_SAR); + if (ret) { + ath12k_err(ab, "failed to get bios sar data %d\n", ret); + goto err_free_acdata; + } + } + + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_GEO_OFFSET)) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_GEO_OFFSET); + if (ret) { + ath12k_err(ab, "failed to get geo offset data %d\n", ret); + goto err_free_acdata; + } + + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_BIOS_SAR) && + ab->acdata->bios_sar_data[0] == ATH12K_ACPI_POWER_LIMIT_VERSION && + ab->acdata->bios_sar_data[1] == ATH12K_ACPI_POWER_LIMIT_ENABLE_FLAG && + !ab->acdata->acpi_tas_enable) + ab->acdata->acpi_bios_sar_enable = true; + } + if (ab->acdata->acpi_tas_enable) { ret = ath12k_pass_acpi_cfg_and_data_to_fw(ab); if (ret) goto err_free_acdata; } + if (ab->acdata->acpi_bios_sar_enable) { + ret = ath12k_pass_acpi_bios_sar_and_geo_to_fw(ab); + if (ret) + goto err_free_acdata; + } + status = acpi_install_notify_handler(ACPI_HANDLE(ab->dev), ACPI_DEVICE_NOTIFY, acpi_dsm_notify, ab); diff --git a/drivers/net/wireless/ath/ath12k/acpi.h b/drivers/net/wireless/ath/ath12k/acpi.h index e6eb6f02d524..fdb32ba37b77 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.h +++ b/drivers/net/wireless/ath/ath12k/acpi.h @@ -11,9 +11,16 @@ #define ATH12K_ACPI_DSM_FUNC_INDEX_SUPPORT_FUNCS 0 #define ATH12K_ACPI_DSM_FUNC_INDEX_TAS_CFG 8 #define ATH12K_ACPI_DSM_FUNC_INDEX_TAS_DATA 9 +#define ATH12K_ACPI_DSM_FUNC_INDEX_BIOS_SAR 4 +#define ATH12K_ACPI_DSM_FUNC_INDEX_GEO_OFFSET 5 #define ATH12K_ACPI_DSM_TAS_CFG_SIZE 108 #define ATH12K_ACPI_DSM_TAS_DATA_SIZE 69 +#define ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE 34 +#define ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE 19 + +#define ATH12K_ACPI_FUNC_BIT_BIOS_SAR BIT(3) +#define ATH12K_ACPI_FUNC_BIT_GEO_OFFSET BIT(4) #define ATH12K_ACPI_FUNC_BIT_TAS_CFG BIT(7) #define ATH12K_ACPI_FUNC_BIT_TAS_DATA BIT(8) @@ -22,6 +29,14 @@ #define ATH12K_ACPI_TAS_DATA_VERSION 0x1 #define ATH12K_ACPI_TAS_DATA_ENABLE_FLAG 0x1 +#define ATH12K_ACPI_BIOS_SAR_TABLE_LEN 22 +#define ATH12K_ACPI_BIOS_SAR_DBS_BACKOFF_LEN 10 +#define ATH12K_ACPI_POWER_LIMIT_DATAOFFSET 12 +#define ATH12K_ACPI_DBS_BACKOFF_DATAOFFSET 2 +#define ATH12K_ACPI_POWER_LIMIT_VERSION 0x1 +#define ATH12K_ACPI_POWER_LIMIT_ENABLE_FLAG 0x1 +#define ATH12K_ACPI_GEO_OFFSET_DATA_OFFSET 1 +#define ATH12K_ACPI_BIOS_SAR_GEO_OFFSET_LEN 18 int ath12k_get_acpi_all_data(struct ath12k_base *ab); void acpi_dsm_notify(acpi_handle handle, u32 event, void *data); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index cba4f176c018..6fe4f0ddee4a 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -775,8 +775,11 @@ struct ath12k_base { struct { u32 func_bit; bool acpi_tas_enable; + bool acpi_bios_sar_enable; u8 tas_cfg[ATH12K_ACPI_DSM_TAS_CFG_SIZE]; u8 tas_sar_power_table[ATH12K_ACPI_DSM_TAS_DATA_SIZE]; + u8 bios_sar_data[ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE]; + u8 geo_offset_data[ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE]; } *acdata; /* must be last */ diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index e473712f0dab..07f0a35900e0 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -7000,3 +7000,97 @@ int ath12k_wmi_pdev_set_tas_data_table_param(struct ath12k_base *ab, return ret; } + +int ath12k_wmi_pdev_set_bios_sar_table_param(struct ath12k_base *ab, + u8 *psar_table) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_sar_table_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + int ret; + u8 *buf_ptr; + u32 len, sar_table_len_aligned, sar_dbs_backoff_len_aligned; + u8 *psar_value = psar_table + ATH12K_ACPI_POWER_LIMIT_DATAOFFSET; + u8 *pdbs_value = psar_table + ATH12K_ACPI_DBS_BACKOFF_DATAOFFSET; + + sar_table_len_aligned = roundup(ATH12K_ACPI_BIOS_SAR_TABLE_LEN, sizeof(u32)); + sar_dbs_backoff_len_aligned = roundup(ATH12K_ACPI_BIOS_SAR_DBS_BACKOFF_LEN, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + sar_table_len_aligned + + TLV_HDR_SIZE + sar_dbs_backoff_len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_sar_table_cmd *)skb->data; + cmd->tlv_header = + cpu_to_le32(ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_SAR_TABLE_CMD_PARAMS, + sizeof(*cmd))); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->sar_len = cpu_to_le32(ATH12K_ACPI_BIOS_SAR_TABLE_LEN); + cmd->dbs_backoff_len = cpu_to_le32(ATH12K_ACPI_BIOS_SAR_DBS_BACKOFF_LEN); + + buf_ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, + sar_table_len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, psar_value, ATH12K_ACPI_BIOS_SAR_TABLE_LEN); + + buf_ptr += sar_table_len_aligned; + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, + sar_dbs_backoff_len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, pdbs_value, ATH12K_ACPI_BIOS_SAR_DBS_BACKOFF_LEN); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_BIOS_SAR_TABLE_CMDID); + if (ret) { + ath12k_warn(ab, "failed to send WMI_PDEV_SET_BIOS_INTERFACE_CMDID %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} + +int ath12k_wmi_pdev_set_bios_geo_table_param(struct ath12k_base *ab, + u8 *pgeo_table) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_geo_table_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + int ret; + u8 *buf_ptr; + u32 len, sar_geo_len_aligned; + u8 *pgeo_value = pgeo_table + ATH12K_ACPI_GEO_OFFSET_DATA_OFFSET; + + sar_geo_len_aligned = roundup(ATH12K_ACPI_BIOS_SAR_GEO_OFFSET_LEN, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + sar_geo_len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_geo_table_cmd *)skb->data; + cmd->tlv_header = + cpu_to_le32(ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_GEO_TABLE_CMD_PARAMS, + sizeof(*cmd))); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->geo_len = cpu_to_le32(ATH12K_ACPI_BIOS_SAR_GEO_OFFSET_LEN); + + buf_ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, sar_geo_len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, pgeo_value, ATH12K_ACPI_BIOS_SAR_GEO_OFFSET_LEN); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID); + if (ret) { + ath12k_warn(ab, "failed to send WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 38bbf59fc6b7..8a774655fe9f 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -361,6 +361,8 @@ enum wmi_tlv_cmd_id { WMI_PDEV_DMA_RING_CFG_REQ_CMDID, WMI_PDEV_HE_TB_ACTION_FRM_CMDID, WMI_PDEV_PKTLOG_FILTER_CMDID, + WMI_PDEV_SET_BIOS_SAR_TABLE_CMDID = 0x4044, + WMI_PDEV_SET_BIOS_GEO_TABLE_CMDID = 0x4045, WMI_PDEV_SET_BIOS_INTERFACE_CMDID = 0x404A, WMI_VDEV_CREATE_CMDID = WMI_TLV_CMD(WMI_GRP_VDEV), WMI_VDEV_DELETE_CMDID, @@ -1932,6 +1934,8 @@ enum wmi_tlv_tag { WMI_TAG_REGULATORY_RULE_EXT_STRUCT = 0x3A9, WMI_TAG_REG_CHAN_LIST_CC_EXT_EVENT, WMI_TAG_EHT_RATE_SET = 0x3C4, + WMI_TAG_PDEV_SET_BIOS_SAR_TABLE_CMD_PARAMS = 0x3D8, + WMI_TAG_PDEV_SET_BIOS_GEO_TABLE_CMD_PARAMS = 0x3D9, WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD_PARAMS = 0x3FB, WMI_TAG_MAX }; @@ -4806,6 +4810,19 @@ enum bios_param_type { WMI_BIOS_PARAM_TYPE_MAX, }; +struct wmi_pdev_set_bios_sar_table_cmd { + __le32 tlv_header; + __le32 pdev_id; + __le32 sar_len; + __le32 dbs_backoff_len; +} __packed; + +struct wmi_pdev_set_bios_geo_table_cmd { + __le32 tlv_header; + __le32 pdev_id; + __le32 geo_len; +} __packed; + #define ATH12K_FW_STATS_BUF_SIZE (1024 * 1024) void ath12k_wmi_init_qcn9274(struct ath12k_base *ab, @@ -4931,4 +4948,8 @@ int ath12k_wmi_pdev_set_tas_cfg_table_param(struct ath12k_base *ab, const u8 *ptas_cfg); int ath12k_wmi_pdev_set_tas_data_table_param(struct ath12k_base *ab, const u8 *ptas_data); +int ath12k_wmi_pdev_set_bios_sar_table_param(struct ath12k_base *ab, + u8 *psar_table); +int ath12k_wmi_pdev_set_bios_geo_table_param(struct ath12k_base *ab, + u8 *pgeo_table); #endif From patchwork Wed Sep 6 12:35:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lingbo Kong X-Patchwork-Id: 720586 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32C4CEB8FBD for ; 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Wed, 6 Sep 2023 05:35:37 -0700 From: Lingbo Kong To: , CC: Subject: [PATCH v2 3/4] wifi: ath12k: adjust configuration of CCA threshold value Date: Wed, 6 Sep 2023 20:35:19 +0800 Message-ID: <20230906123520.184726-4-quic_lingbok@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230906123520.184726-1-quic_lingbok@quicinc.com> References: <20230906123520.184726-1-quic_lingbok@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: -1sKwzC1QKp9eHCDeGCPdH7Xc9Gk0WBY X-Proofpoint-ORIG-GUID: -1sKwzC1QKp9eHCDeGCPdH7Xc9Gk0WBY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-06_05,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 adultscore=0 phishscore=0 mlxlogscore=999 mlxscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309060108 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org ath12k need to adjust CCA threshold values to meet the regulatory requirement. ath12k can retrieve CCA threshold configuration by invoking ACPI _DSM method. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Lingbo Kong --- v2: 1.no change drivers/net/wireless/ath/ath12k/acpi.c | 30 +++++++++++++++++++ drivers/net/wireless/ath/ath12k/acpi.h | 8 +++++ drivers/net/wireless/ath/ath12k/core.h | 1 + drivers/net/wireless/ath/ath12k/wmi.c | 41 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 7 +++-- 5 files changed, 85 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/acpi.c b/drivers/net/wireless/ath/ath12k/acpi.c index ae1ce7b99d2d..a9931e17bd17 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.c +++ b/drivers/net/wireless/ath/ath12k/acpi.c @@ -72,6 +72,16 @@ static int ath12k_acpi_dsm_get_data(struct ath12k_base *ab, int func) memcpy(&ab->acdata->geo_offset_data, obj->buffer.pointer, obj->buffer.length); break; + case ATH12K_ACPI_DSM_FUNC_INDEX_CCA: + if (obj->buffer.length != ATH12K_ACPI_DSM_CCA_DATA_SIZE) { + ath12k_err(ab, "Invalid CCA data size %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + memcpy(&ab->acdata->cca_data, obj->buffer.pointer, + obj->buffer.length); + break; } } else { ath12k_err(ab, @@ -281,6 +291,26 @@ int ath12k_get_acpi_all_data(struct ath12k_base *ab) goto err_free_acdata; } + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_CCA)) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_CCA); + if (ret) { + ath12k_err(ab, "failed to get cca threshold configuration %d\n", ret); + goto err_free_acdata; + } + + if (ab->acdata->cca_data[0] == ATH12K_ACPI_CCA_THR_VERSION && + ab->acdata->cca_data[ATH12K_ACPI_CCA_THR_OFFSET_DATA_OFFSET] == + ATH12K_ACPI_CCA_THR_ENABLE_FLAG) { + ret = ath12k_wmi_pdev_set_cca_thr_table_param(ab, + ab->acdata->cca_data); + if (ret) { + ath12k_err(ab, "set cca threshold failed %d\n", ret); + goto err_free_acdata; + } + } + } + status = acpi_install_notify_handler(ACPI_HANDLE(ab->dev), ACPI_DEVICE_NOTIFY, acpi_dsm_notify, ab); diff --git a/drivers/net/wireless/ath/ath12k/acpi.h b/drivers/net/wireless/ath/ath12k/acpi.h index fdb32ba37b77..60d674fdeb41 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.h +++ b/drivers/net/wireless/ath/ath12k/acpi.h @@ -13,14 +13,17 @@ #define ATH12K_ACPI_DSM_FUNC_INDEX_TAS_DATA 9 #define ATH12K_ACPI_DSM_FUNC_INDEX_BIOS_SAR 4 #define ATH12K_ACPI_DSM_FUNC_INDEX_GEO_OFFSET 5 +#define ATH12K_ACPI_DSM_FUNC_INDEX_CCA 6 #define ATH12K_ACPI_DSM_TAS_CFG_SIZE 108 #define ATH12K_ACPI_DSM_TAS_DATA_SIZE 69 #define ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE 34 #define ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE 19 +#define ATH12K_ACPI_DSM_CCA_DATA_SIZE 41 #define ATH12K_ACPI_FUNC_BIT_BIOS_SAR BIT(3) #define ATH12K_ACPI_FUNC_BIT_GEO_OFFSET BIT(4) +#define ATH12K_ACPI_FUNC_BIT_CCA BIT(5) #define ATH12K_ACPI_FUNC_BIT_TAS_CFG BIT(7) #define ATH12K_ACPI_FUNC_BIT_TAS_DATA BIT(8) @@ -37,6 +40,11 @@ #define ATH12K_ACPI_POWER_LIMIT_ENABLE_FLAG 0x1 #define ATH12K_ACPI_GEO_OFFSET_DATA_OFFSET 1 #define ATH12K_ACPI_BIOS_SAR_GEO_OFFSET_LEN 18 +#define ATH12K_ACPI_CCA_THR_VERSION 0x1 +#define ATH12K_ACPI_CCA_THR_ENABLE_FLAG 0x1 +#define ATH12K_ACPI_CCA_THR_OFFSET_LEN 36 +#define ATH12K_ACPI_CCA_THR_OFFSET_DATA_OFFSET 5 + int ath12k_get_acpi_all_data(struct ath12k_base *ab); void acpi_dsm_notify(acpi_handle handle, u32 event, void *data); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 6fe4f0ddee4a..d57e2013b0fe 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -780,6 +780,7 @@ struct ath12k_base { u8 tas_sar_power_table[ATH12K_ACPI_DSM_TAS_DATA_SIZE]; u8 bios_sar_data[ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE]; u8 geo_offset_data[ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE]; + u8 cca_data[ATH12K_ACPI_DSM_CCA_DATA_SIZE]; } *acdata; /* must be last */ diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 07f0a35900e0..d97849b028d6 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -7094,3 +7094,44 @@ int ath12k_wmi_pdev_set_bios_geo_table_param(struct ath12k_base *ab, return ret; } + +int ath12k_wmi_pdev_set_cca_thr_table_param(struct ath12k_base *ab, + u8 *pcca_table) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_interface_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + int ret; + u8 *buf_ptr; + u32 len, cca_thr_len_aligned; + u8 *pcca_value = pcca_table + ATH12K_ACPI_CCA_THR_OFFSET_DATA_OFFSET; + + cca_thr_len_aligned = roundup(ATH12K_ACPI_CCA_THR_OFFSET_LEN, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + cca_thr_len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_interface_cmd *)skb->data; + cmd->tlv_header = + cpu_to_le32(ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD_PARAMS, + sizeof(*cmd))); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->param_type_id = cpu_to_le32(WMI_BIOS_PARAM_CCA_THRESHOLD_TYPE); + cmd->length = ATH12K_ACPI_CCA_THR_OFFSET_LEN; + + buf_ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, cca_thr_len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, pcca_value, ATH12K_ACPI_CCA_THR_OFFSET_LEN); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_BIOS_INTERFACE_CMDID); + if (ret) { + ath12k_warn(ab, "failed to send WMI_PDEV_SET_BIOS_INTERFACE_CMDID %d\n", ret); + dev_kfree_skb(skb); + } + return ret; +} diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 8a774655fe9f..7607cd7ab699 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -4805,8 +4805,9 @@ struct wmi_pdev_set_bios_interface_cmd { } __packed; enum bios_param_type { - WMI_BIOS_PARAM_TAS_CONFIG_TYPE = 1, - WMI_BIOS_PARAM_TAS_DATA_TYPE = 2, + WMI_BIOS_PARAM_CCA_THRESHOLD_TYPE = 0, + WMI_BIOS_PARAM_TAS_CONFIG_TYPE = 1, + WMI_BIOS_PARAM_TAS_DATA_TYPE = 2, WMI_BIOS_PARAM_TYPE_MAX, }; @@ -4952,4 +4953,6 @@ int ath12k_wmi_pdev_set_bios_sar_table_param(struct ath12k_base *ab, u8 *psar_table); int ath12k_wmi_pdev_set_bios_geo_table_param(struct ath12k_base *ab, u8 *pgeo_table); +int ath12k_wmi_pdev_set_cca_thr_table_param(struct ath12k_base *ab, + u8 *pcca_table); #endif From patchwork Wed Sep 6 12:35:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lingbo Kong X-Patchwork-Id: 720585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33BF3EB8FB8 for ; Wed, 6 Sep 2023 12:35:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238313AbjIFMf7 (ORCPT ); Wed, 6 Sep 2023 08:35:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239996AbjIFMf6 (ORCPT ); Wed, 6 Sep 2023 08:35:58 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49E9D1721 for ; Wed, 6 Sep 2023 05:35:50 -0700 (PDT) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 386BCobT015907; 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Wed, 6 Sep 2023 12:35:40 GMT Received: from lingbok-HP-EliteBook-8460p.qca.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Wed, 6 Sep 2023 05:35:38 -0700 From: Lingbo Kong To: , CC: Subject: [PATCH v2 4/4] wifi: ath12k: add band edge channel power for WCN7850 Date: Wed, 6 Sep 2023 20:35:20 +0800 Message-ID: <20230906123520.184726-5-quic_lingbok@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230906123520.184726-1-quic_lingbok@quicinc.com> References: <20230906123520.184726-1-quic_lingbok@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: CaZy_P7A-2z6zfwxqsx9KF1X1zEsvTHc X-Proofpoint-ORIG-GUID: CaZy_P7A-2z6zfwxqsx9KF1X1zEsvTHc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-06_05,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 mlxscore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=970 impostorscore=0 spamscore=0 bulkscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309060108 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org ath12k need to retrieve band edge channel power table by invoking ACPI _DSM method, then pass the table to firmware. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Lingbo Kong --- v2: 1.no change drivers/net/wireless/ath/ath12k/acpi.c | 29 ++++++++++++++++++ drivers/net/wireless/ath/ath12k/acpi.h | 6 +++- drivers/net/wireless/ath/ath12k/core.h | 1 + drivers/net/wireless/ath/ath12k/wmi.c | 41 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 3 ++ 5 files changed, 79 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/acpi.c b/drivers/net/wireless/ath/ath12k/acpi.c index a9931e17bd17..389b900df170 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.c +++ b/drivers/net/wireless/ath/ath12k/acpi.c @@ -82,6 +82,16 @@ static int ath12k_acpi_dsm_get_data(struct ath12k_base *ab, int func) memcpy(&ab->acdata->cca_data, obj->buffer.pointer, obj->buffer.length); break; + case ATH12K_ACPI_DSM_FUNC_INDEX_BAND_EDGE: + if (obj->buffer.length != ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE) { + ath12k_err(ab, "Invalid BAND EDGE data size %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + memcpy(&ab->acdata->band_edge_power, obj->buffer.pointer, + obj->buffer.length); + break; } } else { ath12k_err(ab, @@ -311,6 +321,25 @@ int ath12k_get_acpi_all_data(struct ath12k_base *ab) } } + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acdata, ATH12K_ACPI_FUNC_BIT_BAND_EDGE_CHAN_POWER)) { + ret = ath12k_acpi_dsm_get_data(ab, + ATH12K_ACPI_DSM_FUNC_INDEX_BAND_EDGE); + if (ret) { + ath12k_err(ab, "failed to get band edge channel power %d\n", ret); + goto err_free_acdata; + } + + if (ab->acdata->band_edge_power[0] == ATH12K_ACPI_BAND_EDGE_VERSION && + ab->acdata->band_edge_power[1] == ATH12K_ACPI_BAND_EDGE_ENABLE_FLAG) { + ret = ath12k_wmi_pdev_set_band_edge_power(ab, + ab->acdata->band_edge_power); + if (ret) { + ath12k_err(ab, "set band edge channel power failed %d\n", ret); + goto err_free_acdata; + } + } + } + status = acpi_install_notify_handler(ACPI_HANDLE(ab->dev), ACPI_DEVICE_NOTIFY, acpi_dsm_notify, ab); diff --git a/drivers/net/wireless/ath/ath12k/acpi.h b/drivers/net/wireless/ath/ath12k/acpi.h index 60d674fdeb41..258007bcda5f 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.h +++ b/drivers/net/wireless/ath/ath12k/acpi.h @@ -14,18 +14,21 @@ #define ATH12K_ACPI_DSM_FUNC_INDEX_BIOS_SAR 4 #define ATH12K_ACPI_DSM_FUNC_INDEX_GEO_OFFSET 5 #define ATH12K_ACPI_DSM_FUNC_INDEX_CCA 6 +#define ATH12K_ACPI_DSM_FUNC_INDEX_BAND_EDGE 10 #define ATH12K_ACPI_DSM_TAS_CFG_SIZE 108 #define ATH12K_ACPI_DSM_TAS_DATA_SIZE 69 #define ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE 34 #define ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE 19 #define ATH12K_ACPI_DSM_CCA_DATA_SIZE 41 +#define ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE 100 #define ATH12K_ACPI_FUNC_BIT_BIOS_SAR BIT(3) #define ATH12K_ACPI_FUNC_BIT_GEO_OFFSET BIT(4) #define ATH12K_ACPI_FUNC_BIT_CCA BIT(5) #define ATH12K_ACPI_FUNC_BIT_TAS_CFG BIT(7) #define ATH12K_ACPI_FUNC_BIT_TAS_DATA BIT(8) +#define ATH12K_ACPI_FUNC_BIT_BAND_EDGE_CHAN_POWER BIT(9) #define ATH12K_ACPI_NOTIFY_EVENT 0x86 #define ATH12K_ACPI_FUNC_BIT_VALID(_acdata, _func) ((((_acdata)->func_bit) & (_func)) != 0) @@ -44,7 +47,8 @@ #define ATH12K_ACPI_CCA_THR_ENABLE_FLAG 0x1 #define ATH12K_ACPI_CCA_THR_OFFSET_LEN 36 #define ATH12K_ACPI_CCA_THR_OFFSET_DATA_OFFSET 5 - +#define ATH12K_ACPI_BAND_EDGE_VERSION 0x1 +#define ATH12K_ACPI_BAND_EDGE_ENABLE_FLAG 0x1 int ath12k_get_acpi_all_data(struct ath12k_base *ab); void acpi_dsm_notify(acpi_handle handle, u32 event, void *data); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index d57e2013b0fe..d06c3984aef9 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -781,6 +781,7 @@ struct ath12k_base { u8 bios_sar_data[ATH12K_ACPI_DSM_BIOS_SAR_DATA_SIZE]; u8 geo_offset_data[ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE]; u8 cca_data[ATH12K_ACPI_DSM_CCA_DATA_SIZE]; + u8 band_edge_power[ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE]; } *acdata; /* must be last */ diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index d97849b028d6..244acfaa875d 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -7135,3 +7135,44 @@ int ath12k_wmi_pdev_set_cca_thr_table_param(struct ath12k_base *ab, } return ret; } + +int ath12k_wmi_pdev_set_band_edge_power(struct ath12k_base *ab, + const u8 *pchan_table) +{ + struct ath12k_wmi_base *wmi_ab = &ab->wmi_ab; + struct wmi_pdev_set_bios_interface_cmd *cmd; + struct wmi_tlv *tlv; + struct sk_buff *skb; + int ret; + u8 *buf_ptr; + u32 len, len_aligned; + + len_aligned = roundup(ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE, sizeof(u32)); + len = sizeof(*cmd) + TLV_HDR_SIZE + len_aligned; + + skb = ath12k_wmi_alloc_skb(wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_pdev_set_bios_interface_cmd *)skb->data; + cmd->tlv_header = + cpu_to_le32(ath12k_wmi_tlv_cmd_hdr(WMI_TAG_PDEV_SET_BIOS_INTERFACE_CMD_PARAMS, + sizeof(*cmd))); + cmd->pdev_id = cpu_to_le32(WMI_PDEV_ID_SOC); + cmd->param_type_id = cpu_to_le32(WMI_BIOS_PARAM_TYPE_BANDEDGE_CTL_POWER); + cmd->length = cpu_to_le32(ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE); + + buf_ptr = skb->data + sizeof(*cmd); + tlv = (struct wmi_tlv *)buf_ptr; + tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_BYTE, len_aligned); + buf_ptr += TLV_HDR_SIZE; + memcpy(buf_ptr, pchan_table, ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE); + + ret = ath12k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_BIOS_INTERFACE_CMDID); + if (ret) { + ath12k_warn(ab, "failed to send WMI_PDEV_SET_BIOS_INTERFACE_CMDID %d\n", ret); + dev_kfree_skb(skb); + } + + return ret; +} diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 7607cd7ab699..73d790d405cd 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -4808,6 +4808,7 @@ enum bios_param_type { WMI_BIOS_PARAM_CCA_THRESHOLD_TYPE = 0, WMI_BIOS_PARAM_TAS_CONFIG_TYPE = 1, WMI_BIOS_PARAM_TAS_DATA_TYPE = 2, + WMI_BIOS_PARAM_TYPE_BANDEDGE_CTL_POWER = 3, WMI_BIOS_PARAM_TYPE_MAX, }; @@ -4955,4 +4956,6 @@ int ath12k_wmi_pdev_set_bios_geo_table_param(struct ath12k_base *ab, u8 *pgeo_table); int ath12k_wmi_pdev_set_cca_thr_table_param(struct ath12k_base *ab, u8 *pcca_table); +int ath12k_wmi_pdev_set_band_edge_power(struct ath12k_base *ab, + const u8 *pchan_table); #endif