From patchwork Sat Dec 18 01:08:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12685851 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 9215DC433F5 for ; Sat, 18 Dec 2021 01:09:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231559AbhLRBJC (ORCPT ); Fri, 17 Dec 2021 20:09:02 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:51858 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229502AbhLRBJB (ORCPT ); Fri, 17 Dec 2021 20:09:01 -0500 X-UUID: 2fba30643d9b42038d85dc155144beb5-20211218 X-UUID: 2fba30643d9b42038d85dc155144beb5-20211218 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 43957100; Sat, 18 Dec 2021 09:08:57 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) 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; Sat, 18 Dec 2021 09:08:55 +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; Sat, 18 Dec 2021 09:08:55 +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; Sat, 18 Dec 2021 09:08:54 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , Mark Chen Subject: [PATCH RESEND 1/3] Bluetooth: btmtksdio: add the support of wake on bluetooth Date: Sat, 18 Dec 2021 09:08:51 +0800 Message-ID: <632534014b9b8a38e81dfb5749dcd75e2088adb1.1639787634.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: Mark Chen Add the support to enable wake on bluetooth Co-developed-by: Sean Wang Signed-off-by: Sean Wang Signed-off-by: Mark Chen --- drivers/bluetooth/btmtk.h | 8 ++++++++ drivers/bluetooth/btmtksdio.c | 31 ++++++++++++++++++++++++++++++- 2 files changed, 38 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h index 6e7b0c7567c0..2be1d2680ad8 100644 --- a/drivers/bluetooth/btmtk.h +++ b/drivers/bluetooth/btmtk.h @@ -68,6 +68,14 @@ struct btmtk_tci_sleep { u8 time_compensation; } __packed; +struct btmtk_wakeon { + u8 mode; + u8 gpo; + u8 active_high; + __le16 enable_delay; + __le16 wakeup_delay; +} __packed; + struct btmtk_hci_wmt_params { u8 op; u8 flag; diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index b5ea8d3bffaa..771733ce362b 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -958,6 +958,30 @@ static int btmtksdio_send_frame(struct hci_dev *hdev, struct sk_buff *skb) return 0; } +static bool btmtk_sdio_wakeup(struct hci_dev *hdev) +{ + struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); + bool may_wakeup = device_may_wakeup(bdev->dev); + struct btmtk_wakeon bt_awake = { + .mode = 0x1, + .gpo = 0, + .active_high = 0x1, + .enable_delay = cpu_to_le16(0xc80), + .wakeup_delay = cpu_to_le16(0x20) + }; + struct sk_buff *skb; + + if (may_wakeup && + bdev->data->chipid == 0x7921) { + skb = __hci_cmd_sync(hdev, 0xfc27, sizeof(bt_awake), + &bt_awake, HCI_CMD_TIMEOUT); + if (IS_ERR(skb)) + may_wakeup = false; + } + + return may_wakeup; +} + static int btmtksdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { @@ -998,6 +1022,7 @@ static int btmtksdio_probe(struct sdio_func *func, hdev->shutdown = btmtksdio_shutdown; hdev->send = btmtksdio_send_frame; hdev->set_bdaddr = btmtk_set_bdaddr; + hdev->wakeup = btmtk_sdio_wakeup; SET_HCIDEV_DEV(hdev, &func->dev); @@ -1032,7 +1057,11 @@ static int btmtksdio_probe(struct sdio_func *func, */ pm_runtime_put_noidle(bdev->dev); - return 0; + err = device_init_wakeup(bdev->dev, true); + if (err) + bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); + + return err; } static void btmtksdio_remove(struct sdio_func *func)