From patchwork Fri Jun 10 00:17:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12876233 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 B61FAC433EF for ; Fri, 10 Jun 2022 00:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239299AbiFJARg (ORCPT ); Thu, 9 Jun 2022 20:17:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233887AbiFJARf (ORCPT ); Thu, 9 Jun 2022 20:17:35 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E3FB2C11A; Thu, 9 Jun 2022 17:17:29 -0700 (PDT) X-UUID: 55312f6602ac4c4082d6e10292fa5791-20220610 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:27768122-4a1c-41f1-88b8-956b6770a65d,OB:0,LO B:0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:100,FILE:0,RULE:Release_Ham,AC TION:release,TS:105 X-CID-INFO: VERSION:1.1.5,REQID:27768122-4a1c-41f1-88b8-956b6770a65d,OB:0,LOB: 0,IP:0,URL:5,TC:0,Content:0,EDM:0,RT:0,SF:100,FILE:0,RULE:Spam_GS981B3D,AC TION:quarantine,TS:105 X-CID-META: VersionHash:2a19b09,CLOUDID:c542d97e-c8dc-403a-96e8-6237210dceee,C OID:3132453bd665,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:1,File:nil,QS:0,BEC:nil X-UUID: 55312f6602ac4c4082d6e10292fa5791-20220610 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 765861630; Fri, 10 Jun 2022 08:17:24 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Fri, 10 Jun 2022 08:17:18 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Fri, 10 Jun 2022 08:17:18 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , Yake Yang Subject: [PATCH] Bluetooth: btmtksdio: Add in-band wakeup support Date: Fri, 10 Jun 2022 08:17:17 +0800 Message-ID: <742cdffcf110e1601257207fb2b0d3f426d4008c.1654819586.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Sean Wang 'ce64b3e94919 ("Bluetooth: mt7921s: Support wake on bluetooth")' have added the waken-on-bluetooth via dedicated GPIO. The patch extends the function to the waken-on-bluetooth via SDIO DAT1 pin (inband wakeup) when the SDIO host driver is able to support. Co-developed-by: Yake Yang Signed-off-by: Yake Yang Signed-off-by: Sean Wang --- drivers/bluetooth/btmtksdio.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index d6700efcfe8c..9ed3af4ba51a 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -118,6 +118,7 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); #define BTMTKSDIO_FUNC_ENABLED 3 #define BTMTKSDIO_PATCH_ENABLED 4 #define BTMTKSDIO_HW_RESET_ACTIVE 5 +#define BTMTKSDIO_INBAND_WAKEUP 6 struct mtkbtsdio_hdr { __le16 len; @@ -1294,6 +1295,9 @@ static bool btmtksdio_sdio_wakeup(struct hci_dev *hdev) .wakeup_delay = cpu_to_le16(0x20), }; + if (test_bit(BTMTKSDIO_INBAND_WAKEUP, &bdev->tx_state)) + return may_wakeup; + if (may_wakeup && bdev->data->chipid == 0x7921) { struct sk_buff *skb; @@ -1384,6 +1388,10 @@ static int btmtksdio_probe(struct sdio_func *func, */ pm_runtime_put_noidle(bdev->dev); + /* Mark if the mmc host can support waken by SDIO */ + if (device_can_wakeup(func->card->host->parent)) + set_bit(BTMTKSDIO_INBAND_WAKEUP, &bdev->tx_state); + err = device_init_wakeup(bdev->dev, true); if (err) bt_dev_err(hdev, "failed to initialize device wakeup");