From patchwork Wed Dec 22 05:58:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12691115 X-Patchwork-Delegate: nbd@nbd.name 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 AF250C433EF for ; Wed, 22 Dec 2021 05:58:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242622AbhLVF6X (ORCPT ); Wed, 22 Dec 2021 00:58:23 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:53448 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S232036AbhLVF6X (ORCPT ); Wed, 22 Dec 2021 00:58:23 -0500 X-UUID: b079e6c0b3b6476c8fb0c4c56cf76bba-20211222 X-UUID: b079e6c0b3b6476c8fb0c4c56cf76bba-20211222 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 137079001; Wed, 22 Dec 2021 13:58:21 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 22 Dec 2021 13:58:19 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 22 Dec 2021 13:58:19 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH 1/2] mt76: mt7921s: clear MT76_STATE_MCU_RUNNING immediately after reset Date: Wed, 22 Dec 2021 13:58:17 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang clear the flag MT76_STATE_MCU_RUNNING immediately after reset to indicate the MCU has already stopped working at the point. That is a preliminary patch for the following patch to perform the register access in the remaining reset handler using SDIO mailbox way instead of MCU command because the RAM firmware is cleared out. Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c index ccaf8134cec7..e0f0d3a2b17e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -60,6 +60,8 @@ int mt7921s_wfsys_reset(struct mt7921_dev *dev) sdio_release_host(sdio->func); + clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + /* activate mt7921s again */ mt7921s_mcu_fw_pmctrl(dev); mt7921s_mcu_drv_pmctrl(dev); @@ -81,7 +83,6 @@ int mt7921s_init_reset(struct mt7921_dev *dev) mt7921s_wfsys_reset(dev); mt76_worker_enable(&dev->mt76.sdio.txrx_worker); - clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); clear_bit(MT76_MCU_RESET, &dev->mphy.state); mt7921s_enable_irq(&dev->mt76); @@ -114,7 +115,6 @@ int mt7921s_mac_reset(struct mt7921_dev *dev) mt76_worker_enable(&dev->mt76.sdio.net_worker); dev->fw_assert = false; - clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); clear_bit(MT76_MCU_RESET, &dev->mphy.state); mt7921s_enable_irq(&dev->mt76); From patchwork Wed Dec 22 05:58:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12691117 X-Patchwork-Delegate: nbd@nbd.name 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 E8E06C433F5 for ; Wed, 22 Dec 2021 05:58:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242624AbhLVF61 (ORCPT ); Wed, 22 Dec 2021 00:58:27 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:53516 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S232036AbhLVF60 (ORCPT ); Wed, 22 Dec 2021 00:58:26 -0500 X-UUID: 63f418946b4f4ca0b0f04a16e370a6ce-20211222 X-UUID: 63f418946b4f4ca0b0f04a16e370a6ce-20211222 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 955502101; Wed, 22 Dec 2021 13:58:23 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Dec 2021 13:58:21 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Dec 2021 13:58:21 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 22 Dec 2021 13:58:20 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH 2/2] mt76: mt7921s: update mt7921s_wfsys_reset sequence Date: Wed, 22 Dec 2021 13:58:18 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: YN Chen MT7921S firmware expects driver to clear out the firmware download state before FW is downloaded again in WiFi reset procedure. Co-developed-by: Sean Wang Signed-off-by: Sean Wang Signed-off-by: YN Chen --- drivers/net/wireless/mediatek/mt76/mt7921/regs.h | 3 +++ drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h index cbd38122c510..411695f273cd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h @@ -454,6 +454,9 @@ #define MT_DMASHDL_SCHED_SET(_n) MT_DMA_SHDL(0x070 + ((_n) << 2)) +#define MT_CONN_STATUS 0x7c053c10 +#define MT_WIFI_PATCH_DL_STATE BIT(0) + #define MT_CONN_ON_LPCTL 0x7c060010 #define PCIE_LPCR_HOST_OWN_SYNC BIT(2) #define PCIE_LPCR_HOST_CLR_OWN BIT(1) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c index e0f0d3a2b17e..4fd1d4765b04 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c @@ -63,6 +63,8 @@ int mt7921s_wfsys_reset(struct mt7921_dev *dev) clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); /* activate mt7921s again */ + mt7921s_mcu_drv_pmctrl(dev); + mt76_clear(dev, MT_CONN_STATUS, MT_WIFI_PATCH_DL_STATE); mt7921s_mcu_fw_pmctrl(dev); mt7921s_mcu_drv_pmctrl(dev);