From patchwork Sun Jan 16 12:46:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Pubbisetty X-Patchwork-Id: 532841 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 B0CC7C4321E for ; Sun, 16 Jan 2022 12:47:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235076AbiAPMrx (ORCPT ); Sun, 16 Jan 2022 07:47:53 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:6149 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233166AbiAPMrv (ORCPT ); Sun, 16 Jan 2022 07:47:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1642337271; x=1673873271; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=KEeBZrxLsC+7Qk0cbiTj+P4PnuuRpVAeoPUOuiCRcx8=; b=n5uOkSUwoWWlltr1cGV3IAlQH10MP7MZYHTq9Hv1RZubQF7cD97b0nY0 644k/NMAUZwTCQDjmXEOtprqehNDmnliY/CjL7JHtuI9WVftgpeC4DCiV AaOhrcwB5/jBSFvzUoaLkz0XfZ5CWi1lgTkIKNz2SVAWmd6lgphi1ycbj g=; Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 16 Jan 2022 04:47:49 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2022 04:47:49 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Sun, 16 Jan 2022 04:47:37 -0800 Received: from mpubbise-linux.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Sun, 16 Jan 2022 04:47:34 -0800 From: Manikanta Pubbisetty To: CC: , , , Manikanta Pubbisetty Subject: [PATCH v2 03/19] ath11k: Choose MSI config based on HW revision Date: Sun, 16 Jan 2022 18:16:59 +0530 Message-ID: <1642337235-8618-4-git-send-email-quic_mpubbise@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1642337235-8618-1-git-send-email-quic_mpubbise@quicinc.com> References: <1642337235-8618-1-git-send-email-quic_mpubbise@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Instead of selecting MSI config based on magic numbers, make the assignment based on HW revision. The logic is similar to the selection of HW params. This improves readability of the code and also simplifies new additions. Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00573-QCAMSLSWPLZ-1 Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00192-QCAHKSWPL_SILICONZ-1 Signed-off-by: Manikanta Pubbisetty --- drivers/net/wireless/ath/ath11k/pci.c | 31 ++++------------- drivers/net/wireless/ath/ath11k/pci.h | 1 + drivers/net/wireless/ath/ath11k/pci_cmn.c | 58 +++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/pci_cmn.h | 1 + 4 files changed, 66 insertions(+), 25 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 81ee647..f8548f5 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -45,28 +45,6 @@ static const struct ath11k_bus_params ath11k_pci_bus_params = { .fixed_mem_region = false, }; -static const struct ath11k_msi_config ath11k_msi_config[] = { - { - .total_vectors = 32, - .total_users = 4, - .users = (struct ath11k_msi_user[]) { - { .name = "MHI", .num_vectors = 3, .base_vector = 0 }, - { .name = "CE", .num_vectors = 10, .base_vector = 3 }, - { .name = "WAKE", .num_vectors = 1, .base_vector = 13 }, - { .name = "DP", .num_vectors = 18, .base_vector = 14 }, - }, - }, - { - .total_vectors = 16, - .total_users = 3, - .users = (struct ath11k_msi_user[]) { - { .name = "MHI", .num_vectors = 3, .base_vector = 0 }, - { .name = "CE", .num_vectors = 5, .base_vector = 3 }, - { .name = "DP", .num_vectors = 8, .base_vector = 8 }, - }, - }, -}; - static const struct ath11k_msi_config msi_config_one_msi = { .total_vectors = 1, .total_users = 4, @@ -669,10 +647,8 @@ static int ath11k_pci_probe(struct pci_dev *pdev, ret = -EOPNOTSUPP; goto err_pci_free_region; } - ab_pci->msi_config = &ath11k_msi_config[0]; break; case QCN9074_DEVICE_ID: - ab_pci->msi_config = &ath11k_msi_config[1]; ab->bus_params.static_window_map = true; ab->hw_rev = ATH11K_HW_QCN9074_HW10; break; @@ -702,7 +678,6 @@ static int ath11k_pci_probe(struct pci_dev *pdev, ret = -EOPNOTSUPP; goto err_pci_free_region; } - ab_pci->msi_config = &ath11k_msi_config[0]; break; default: dev_err(&pdev->dev, "Unknown PCI device found: 0x%x\n", @@ -711,6 +686,12 @@ static int ath11k_pci_probe(struct pci_dev *pdev, goto err_pci_free_region; } + ret = ath11k_pci_get_msi_config(ab); + if (ret) { + ath11k_err(ab, "failed to fetch msi config: %d\n", ret); + goto err_pci_free_region; + } + ret = ath11k_pci_alloc_msi(ab_pci); if (ret) { ath11k_err(ab, "failed to enable msi: %d\n", ret); diff --git a/drivers/net/wireless/ath/ath11k/pci.h b/drivers/net/wireless/ath/ath11k/pci.h index 35c8152..03868f3f 100644 --- a/drivers/net/wireless/ath/ath11k/pci.h +++ b/drivers/net/wireless/ath/ath11k/pci.h @@ -63,6 +63,7 @@ struct ath11k_msi_config { int total_vectors; int total_users; struct ath11k_msi_user *users; + u16 hw_rev; }; enum ath11k_pci_flags { diff --git a/drivers/net/wireless/ath/ath11k/pci_cmn.c b/drivers/net/wireless/ath/ath11k/pci_cmn.c index 0e3a98b..b5eca2d 100644 --- a/drivers/net/wireless/ath/ath11k/pci_cmn.c +++ b/drivers/net/wireless/ath/ath11k/pci_cmn.c @@ -63,6 +63,64 @@ static const char *irq_name[ATH11K_IRQ_NUM_MAX] = { "tcl2host-status-ring", }; +static const struct ath11k_msi_config ath11k_msi_config[] = { + { + .total_vectors = 32, + .total_users = 4, + .users = (struct ath11k_msi_user[]) { + { .name = "MHI", .num_vectors = 3, .base_vector = 0 }, + { .name = "CE", .num_vectors = 10, .base_vector = 3 }, + { .name = "WAKE", .num_vectors = 1, .base_vector = 13 }, + { .name = "DP", .num_vectors = 18, .base_vector = 14 }, + }, + .hw_rev = ATH11K_HW_QCA6390_HW20, + }, + { + .total_vectors = 16, + .total_users = 3, + .users = (struct ath11k_msi_user[]) { + { .name = "MHI", .num_vectors = 3, .base_vector = 0 }, + { .name = "CE", .num_vectors = 5, .base_vector = 3 }, + { .name = "DP", .num_vectors = 8, .base_vector = 8 }, + }, + .hw_rev = ATH11K_HW_QCN9074_HW10, + }, + { + .total_vectors = 32, + .total_users = 4, + .users = (struct ath11k_msi_user[]) { + { .name = "MHI", .num_vectors = 3, .base_vector = 0 }, + { .name = "CE", .num_vectors = 10, .base_vector = 3 }, + { .name = "WAKE", .num_vectors = 1, .base_vector = 13 }, + { .name = "DP", .num_vectors = 18, .base_vector = 14 }, + }, + .hw_rev = ATH11K_HW_WCN6855_HW20, + }, +}; + +int ath11k_pci_get_msi_config(struct ath11k_base *ab) +{ + struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + const struct ath11k_msi_config *msi_config; + int i; + + for (i = 0; i < ARRAY_SIZE(ath11k_msi_config); i++) { + msi_config = &ath11k_msi_config[i]; + + if (msi_config->hw_rev == ab->hw_rev) + break; + } + + if (i == ARRAY_SIZE(ath11k_msi_config)) { + ath11k_err(ab, "failed to fetch msi config, unsupported hw version: 0x%x\n", + ab->hw_rev); + return -EINVAL; + } + + ab_pci->msi_config = msi_config; + return 0; +} + void ath11k_pci_aspm_restore(struct ath11k_pci *ab_pci) { if (test_and_clear_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags)) diff --git a/drivers/net/wireless/ath/ath11k/pci_cmn.h b/drivers/net/wireless/ath/ath11k/pci_cmn.h index 5fb1cf1..f5916da 100644 --- a/drivers/net/wireless/ath/ath11k/pci_cmn.h +++ b/drivers/net/wireless/ath/ath11k/pci_cmn.h @@ -50,4 +50,5 @@ int ath11k_get_user_msi_assignment(struct ath11k_base *ab, char *user_name, void ath11k_pci_aspm_restore(struct ath11k_pci *ab_pci); int ath11k_pci_set_irq_affinity_hint(struct ath11k_pci *ab_pci, const struct cpumask *m); +int ath11k_pci_get_msi_config(struct ath11k_base *ab); #endif