From patchwork Fri Apr 12 09:57:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hao Qin X-Patchwork-Id: 788403 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (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 D6C1C4E1D5; Fri, 12 Apr 2024 09:57:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712915874; cv=none; b=q+K9dCfKTvMV87G8g7IlQJZER5960A6EUFuCsQmnSji/p3t5cKT4SZ6kqhUP1owgeETjSTb/Ux9aRCeLU6pZ6En+DgBTTRSmLgb593tKGR5Ua4QGiQkaOx/M0CBK9k/D9xXKRUuhdcalR7qRfomTGJ+1XNKflXrCjD4swemA0L4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712915874; c=relaxed/simple; bh=Eomhfdpz11TIl+lDu7WtwjHUKHjwxYWVqWq54Eah4SU=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=uvyFpBUoNIK+G7H9iQyCQzowyhmI/JPLDiN49rEqZ8fFIIm4xr7oA/6lh6bq366svxPxVAPd4PtwbqGWVwsTIFwNz4g2BEutNZCpwDWZComlKg27EAKfv9FBNkkdR7vOanDo2YxpGRGfzpvLDEOLEo5o3ClFRbynqwaQn+jrU2o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=mTABdcWw; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="mTABdcWw" X-UUID: 1900167af8b311ee935d6952f98a51a9-20240412 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=GUoxGu/XV4yejGo4HwhwIzs325AikFIy+EyTK0tIl50=; b=mTABdcWwzlZXXTNaefgwDATRhpvn5aXW7RxaOJ0cnlJCGAgO/WM+pqnCH+xb+VyndJm17OuSa4xRHxMLPuz7Zlj2QMeMblAoo9y04/bnQhkbqxi2WLWwXv+8ZfUaWpY2egXfmg8oum3sK2TNNVqK7ydTos+LrFg7TYhcNwjBe/s=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.37, REQID:4b9adb20-e422-468e-8ccb-5df8c34d53ef, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6f543d0, CLOUDID:efc38091-e2c0-40b0-a8fe-7c7e47299109, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 1900167af8b311ee935d6952f98a51a9-20240412 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 119018599; Fri, 12 Apr 2024 17:57:39 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 12 Apr 2024 17:57:36 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 12 Apr 2024 17:57:36 +0800 From: Hao Qin To: Marcel Holtmann , Johan Hedberg , Luiz Von Dentz CC: Sean Wang , Deren Wu , Aaron Hou , Chris Lu , "Steve Lee" , linux-bluetooth , linux-kernel , linux-mediatek , Hao Qin Subject: [PATCH] Bluetooth: btusb: mediatek: Support auto revert for MT7922 Date: Fri, 12 Apr 2024 17:57:13 +0800 Message-ID: <20240412095713.25641-1-hao.qin@mediatek.com> X-Mailer: git-send-email 2.18.0 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.149400-8.000000 X-TMASE-MatchedRID: uVuWzlu52Rmpk9YSiEd5IibMb0f5D0uqQl/FdRYkUZLfUZT83lbkEN6M yUV+2+DZYUXcHav/Rxk/Z/74EQY5HY9oUcx9VMLgFEUknJ/kEl7dB/CxWTRRuzBqYATSOgWjFdf 36Pz24xgsw6pGLK+fcHBrphPcQbdOhnFBYfr+xvLDBirxwAorpCPx8YLfnf6LTrVhTMP/B9tuxo 3gc6EQQpFHHnx2aRWzgITnGkK0NFNRskXKHhdfKpij9M86UwHhsKHfMTjCprzAgTvs8QFuaX7cG d19dSFd X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.149400-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 14D0662F09C9B987CEC4A61F7B7A086A01D0ABDA3FA2701977748C2005FC8B442000:8 Add support for auto reverting MT7922 during reset process. Signed-off-by: Hao Qin --- drivers/bluetooth/btusb.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 4c0cc13adb47..0ad96ec8d31d 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3032,7 +3032,16 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) usb_kill_anchored_urbs(&data->tx_anchor); mediatek = hci_get_priv(hdev); - if (mediatek->dev_id == 0x7925) { + if (mediatek->dev_id == 0x7922) { + btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val); + val |= 0x00002020; + btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, val); + btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, 0x00010001); + btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val); + val |= BIT(0); + btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, val); + msleep(100); + } else if (mediatek->dev_id == 0x7925) { btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val); val |= (1 << 5); btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); @@ -3072,6 +3081,9 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) if (err < 0) bt_dev_err(hdev, "Reset timeout"); + if (mediatek->dev_id == 0x7922) + btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF); + btusb_mtk_id_get(data, 0x70010200, &val); if (!val) bt_dev_err(hdev, "Can't get device id, subsys reset fail.");