From patchwork Tue Sep 5 02:49:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lingbo Kong X-Patchwork-Id: 13374544 X-Patchwork-Delegate: kvalo@adurom.com 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 149E2CA0FF3 for ; Tue, 5 Sep 2023 16:01:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234916AbjIEQBj (ORCPT ); Tue, 5 Sep 2023 12:01:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343795AbjIECtk (ORCPT ); Mon, 4 Sep 2023 22:49:40 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0A84CC9 for ; Mon, 4 Sep 2023 19:49:36 -0700 (PDT) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38528XQs014363; Tue, 5 Sep 2023 02:49:34 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=rYyz71SKrzJU230aZBoGbxahE8TdAmBg2x4TS1+TpQo=; b=Y/x94zXjXH6URMhjgaeee5rLH3Yj5JTffAu2VDfS15/a23WXmPc4KliwGTY4i6fhL2Nc 4qwbm9kyleDAB6zms8CIcWysjoAmjLR0HYpVsdUSQx+bEQOOdlMEAulUL9VWENw96fWm 14i29/ww7HlOvcBLe42oygoMoXClN37d7XhQHbxeSE+uLnqjNPJlRRe1HAHGImRK6QZ2 eP27OsIgc8G3ZP8N4WqpgaQ6VGviOvcDBj1wawNRAyz2WJQ0S6wfZvwXcVFMB59XrD2K PQOhmTYM0SyTOP4G3wvfknOzMCj/eTSc7kF3tHBeehmfo73nLqY+3aTp8OnVYI/WOw3p 2Q== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3swfae1aks-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 Sep 2023 02:49:34 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3852nRPo030969 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 5 Sep 2023 02:49:27 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; Mon, 4 Sep 2023 19:49:26 -0700 From: Lingbo Kong To: CC: , Subject: [PATCH 3/4] wifi: ath12k: adjust configuration of CCA threshold value Date: Tue, 5 Sep 2023 10:49:03 +0800 Message-ID: <20230905024904.3882-4-quic_lingbok@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230905024904.3882-1-quic_lingbok@quicinc.com> References: <20230905024904.3882-1-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: MGPmMt8XOiyj19fnAbI4lAYyzv4xqlvE X-Proofpoint-ORIG-GUID: MGPmMt8XOiyj19fnAbI4lAYyzv4xqlvE 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=2023-09-05_01,2023-08-31_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 phishscore=0 priorityscore=1501 mlxlogscore=979 suspectscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309050023 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 --- 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 59f87cb258c6..acdf8d851fba 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 f090ccea5f64..3f66807b7961 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -7072,3 +7072,44 @@ 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