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Mon, 22 Apr 2024 03:06:14 GMT Received: from lingbok.ap.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 15.2.1544.9; Sun, 21 Apr 2024 20:06:12 -0700 From: Lingbo Kong To: CC: , Subject: [PATCH v9 4/4] wifi: ath12k: ACPI band edge channel power support Date: Mon, 22 Apr 2024 11:05:44 +0800 Message-ID: <20240422030545.954-5-quic_lingbok@quicinc.com> X-Mailer: git-send-email 2.37.3.windows.1 In-Reply-To: <20240422030545.954-1-quic_lingbok@quicinc.com> References: <20240422030545.954-1-quic_lingbok@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: fZZRhCpUnYa7wuQa5pOIWQNogfUXTePH X-Proofpoint-GUID: fZZRhCpUnYa7wuQa5pOIWQNogfUXTePH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-21_22,2024-04-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 phishscore=0 clxscore=1015 suspectscore=0 malwarescore=0 spamscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=998 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2404010003 definitions=main-2404220014 Currently, ath12k does not have the ability to set band edge channel power for WCN7850. In order to support this, ath12k gets band edge channel power table in ath12k_acpi_dsm_get_data() function and sets pdev_id and param_type_id, then finally sends these data and WMI_PDEV_SET_BIOS_INTERFACE_CMDID to firmware to set band edge channel power. 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 Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath12k/acpi.c | 36 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/acpi.h | 5 ++++ drivers/net/wireless/ath/ath12k/core.h | 1 + drivers/net/wireless/ath/ath12k/wmi.h | 4 +++ 4 files changed, 46 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/acpi.c b/drivers/net/wireless/ath/ath12k/acpi.c index 4af80dd13535..443ba12e01f3 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.c +++ b/drivers/net/wireless/ath/ath12k/acpi.c @@ -91,6 +91,18 @@ static int ath12k_acpi_dsm_get_data(struct ath12k_base *ab, int func) memcpy(&ab->acpi.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_warn(ab, "invalid ACPI DSM band edge data size: %d\n", + obj->buffer.length); + ret = -EINVAL; + goto out; + } + + memcpy(&ab->acpi.band_edge_power, obj->buffer.pointer, + obj->buffer.length); + break; } } else { @@ -334,6 +346,30 @@ int ath12k_acpi_start(struct ath12k_base *ab) } } + if (ATH12K_ACPI_FUNC_BIT_VALID(ab->acpi, + 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_warn(ab, "failed to get ACPI DSM band edge channel power: %d\n", + ret); + return ret; + } + + if (ab->acpi.band_edge_power[0] == ATH12K_ACPI_BAND_EDGE_VERSION && + ab->acpi.band_edge_power[1] == ATH12K_ACPI_BAND_EDGE_ENABLE_FLAG) { + ret = ath12k_wmi_set_bios_cmd(ab, + WMI_BIOS_PARAM_TYPE_BANDEDGE, + ab->acpi.band_edge_power, + sizeof(ab->acpi.band_edge_power)); + if (ret) { + ath12k_warn(ab, + "failed to set ACPI DSM band edge channel power: %d\n", + ret); + return ret; + } + } + } + status = acpi_install_notify_handler(ACPI_HANDLE(ab->dev), ACPI_DEVICE_NOTIFY, ath12k_acpi_dsm_notify, ab); diff --git a/drivers/net/wireless/ath/ath12k/acpi.h b/drivers/net/wireless/ath/ath12k/acpi.h index 0879865fd861..39e003d86a48 100644 --- a/drivers/net/wireless/ath/ath12k/acpi.h +++ b/drivers/net/wireless/ath/ath12k/acpi.h @@ -14,12 +14,14 @@ #define ATH12K_ACPI_DSM_FUNC_INDEX_CCA 6 #define ATH12K_ACPI_DSM_FUNC_TAS_CFG 8 #define ATH12K_ACPI_DSM_FUNC_TAS_DATA 9 +#define ATH12K_ACPI_DSM_FUNC_INDEX_BAND_EDGE 10 #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)) @@ -30,6 +32,8 @@ #define ATH12K_ACPI_POWER_LIMIT_ENABLE_FLAG 0x1 #define ATH12K_ACPI_CCA_THR_VERSION 0x1 #define ATH12K_ACPI_CCA_THR_ENABLE_FLAG 0x1 +#define ATH12K_ACPI_BAND_EDGE_VERSION 0x1 +#define ATH12K_ACPI_BAND_EDGE_ENABLE_FLAG 0x1 #define ATH12K_ACPI_GEO_OFFSET_DATA_OFFSET 1 #define ATH12K_ACPI_DBS_BACKOFF_DATA_OFFSET 2 @@ -41,6 +45,7 @@ #define ATH12K_ACPI_CCA_THR_OFFSET_LEN 36 #define ATH12K_ACPI_DSM_TAS_DATA_SIZE 69 +#define ATH12K_ACPI_DSM_BAND_EDGE_DATA_SIZE 100 #define ATH12K_ACPI_DSM_TAS_CFG_SIZE 108 #define ATH12K_ACPI_DSM_GEO_OFFSET_DATA_SIZE (ATH12K_ACPI_GEO_OFFSET_DATA_OFFSET + \ diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 0e33cf783f62..3333f88520ce 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -914,6 +914,7 @@ 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]; } acpi; #endif /* CONFIG_ACPI */ diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 6db15a0a4735..b5285ed78534 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -4808,6 +4808,10 @@ enum wmi_bios_param_type { WMI_BIOS_PARAM_CCA_THRESHOLD_TYPE = 0, WMI_BIOS_PARAM_TAS_CONFIG_TYPE = 1, WMI_BIOS_PARAM_TAS_DATA_TYPE = 2, + + /* bandedge control power */ + WMI_BIOS_PARAM_TYPE_BANDEDGE = 3, + WMI_BIOS_PARAM_TYPE_MAX, }; -- 2.34.1