From patchwork Thu Apr 18 16:20:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 13635086 X-Patchwork-Delegate: kvalo@adurom.com Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E832816FF3E for ; Thu, 18 Apr 2024 16:20:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713457227; cv=none; b=qQwXVDkgM6eRxbpotVI+erb5qLAoE6NAkl0u+mKc5wZzMadBrtwZsiBFhGyH8Q+i9l0rIbvG4HwDSYPpq41FIQ2Lk/SFUnLKJQXZ0eQfgIqtZbgKn6XIPsVevGWHVZcPzxOLmhL+dxiDqr3F5V/tja3+QTlj6tJ6z0XmdZVtX/w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713457227; c=relaxed/simple; bh=IYPhM8l3/Khs0CYddYJzgYk7V7vpwY74+t3vTBGqmt4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=sn0DmlDYNcgSU4I0OCcc9ICTs9u9y3VMSKkfrsWEy42OVeWJOp5z77ZrKSLUFLwpmTrwx6fBaFR895a6BSlu1uJDpzP/bKs/jTPraF9TVku6Wr5iA7SDUK9I2NF3QGOyHN4nTtOxYJjpaEq3+DLRXkx6im5SOAkkg49fUc8GJvw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kHiibymx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kHiibymx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F07E9C32782; Thu, 18 Apr 2024 16:20:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713457226; bh=IYPhM8l3/Khs0CYddYJzgYk7V7vpwY74+t3vTBGqmt4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kHiibymxf63Sp3LeUBZxB5PqkZYltL8P69FtfMvyXUDIgfmgaiCPd6Sk7bNx0lRPv LVjPgkP6vC0a66sx81n2OARC8R+0omVLnQnGxlc4TEDhQSlSTffJhTGXL+BVqMNIb0 zsFcj21xMC+MI84+gtu1qZGb5uYI8+fN4Xzv6qN4ii0dZ9Dp0fJBBY8tIVBvMwB5XF CLhTf5J5r2Az1WWAw/3BtLc7RlgceHE+Xc2FzChBDrOMjVQWoijYo9DgEZiQBtT4vn o8s7dF548lDv+fieSNjtuVCeePrmYnAUUqc1emjvYzFSzhSIZEly7cBOLNyVvm0yWO PZPI06Qf/Bs0A== From: Kalle Valo To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH v8 4/4] wifi: ath12k: ACPI band edge channel power support Date: Thu, 18 Apr 2024 19:20:19 +0300 Message-Id: <20240418162019.1246749-5-kvalo@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240418162019.1246749-1-kvalo@kernel.org> References: <20240418162019.1246749-1-kvalo@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lingbo Kong 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 Acked-by: Jeff Johnson --- 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 2fb8d53de68f..816c6e5fad0c 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 9900fe3b1b1c..31e764adc088 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, };