From patchwork Fri Dec 24 08:26:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 527741 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 A16AFC433EF for ; Fri, 24 Dec 2021 08:26:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351966AbhLXI0K (ORCPT ); Fri, 24 Dec 2021 03:26:10 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:52736 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1351959AbhLXI0J (ORCPT ); Fri, 24 Dec 2021 03:26:09 -0500 X-UUID: 40da604aadd443f8a8981ab57d376b0f-20211224 X-UUID: 40da604aadd443f8a8981ab57d376b0f-20211224 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 13279467; Fri, 24 Dec 2021 16:26:06 +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; Fri, 24 Dec 2021 16:26:05 +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; Fri, 24 Dec 2021 16:26:04 +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; Fri, 24 Dec 2021 16:26:04 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , Mark Chen Subject: [PATCH v4 1/3] Bluetooth: mt7921s: Support wake on bluetooth Date: Fri, 24 Dec 2021 16:26:00 +0800 Message-ID: <91dfa736b7629cdb94bd2029f05717eeae77b07d.1640334021.git.sean.wang@kernel.org> 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 Enable wake on bluetooth on mt7921s that can be supported since the firmware with version 20211129211059 was added, and the patch would not cause any harm even when the old firmware is applied. The patch was tested by setting up an HID or HOGP profile to connect a Bluetooth keyboard and mouse, then putting the system to suspend, then trying to wake up the system by moving the Bluetooth keyboard or mouse, and then checking if the system can wake up and be brought back to the normal state. Co-developed-by: Sean Wang Signed-off-by: Sean Wang Signed-off-by: Mark Chen --- v2: refine the git message v3: 1. fit to single line as possible 2. move the skb variable into local scope 3. free skb after calling __hci_cmd_sync 4. make bt_awake as const struct btmtk_wakeon v4: 1. drop __func__ in error messages 2. make hdev->wakeup assignment aligned to hdev->send --- drivers/bluetooth/btmtk.h | 8 ++++++++ drivers/bluetooth/btmtksdio.c | 33 ++++++++++++++++++++++++++++++++- 2 files changed, 40 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..89bd70651e9e 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -958,6 +958,32 @@ 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); + const struct btmtk_wakeon bt_awake = { + .mode = 0x1, + .gpo = 0, + .active_high = 0x1, + .enable_delay = cpu_to_le16(0xc80), + .wakeup_delay = cpu_to_le16(0x20) + }; + + if (may_wakeup && bdev->data->chipid == 0x7921) { + struct sk_buff *skb; + + skb = __hci_cmd_sync(hdev, 0xfc27, sizeof(bt_awake), + &bt_awake, HCI_CMD_TIMEOUT); + if (IS_ERR(skb)) + may_wakeup = false; + + kfree_skb(skb); + } + + return may_wakeup; +} + static int btmtksdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { @@ -998,6 +1024,7 @@ 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 +1059,11 @@ 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, "failed to init_wakeup"); + + return err; } static void btmtksdio_remove(struct sdio_func *func) From patchwork Fri Dec 24 08:26:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 528315 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 F1A8DC433EF for ; Fri, 24 Dec 2021 08:26:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351980AbhLXI0O (ORCPT ); Fri, 24 Dec 2021 03:26:14 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:47832 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1351959AbhLXI0N (ORCPT ); Fri, 24 Dec 2021 03:26:13 -0500 X-UUID: e88be13012ec4b85bed7472401f8b1d3-20211224 X-UUID: e88be13012ec4b85bed7472401f8b1d3-20211224 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1190895060; Fri, 24 Dec 2021 16:26:10 +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; Fri, 24 Dec 2021 16:26:09 +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; Fri, 24 Dec 2021 16:26:09 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , Mark Chen Subject: [PATCH v4 2/3] Bluetooth: mt7921s: Enable SCO over I2S Date: Fri, 24 Dec 2021 16:26:01 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <91dfa736b7629cdb94bd2029f05717eeae77b07d.1640334021.git.sean.wang@kernel.org> References: <91dfa736b7629cdb94bd2029f05717eeae77b07d.1640334021.git.sean.wang@kernel.org> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Mark Chen The driver has to issue the specific command to enable Bluetooth SCO over the I2S/PCM interface on mt7921s, that is supported since the firmware with version 20211222191101 was added, and the patch would not cause any harm even when the old firmware is applied. The SCO profile with the patch was tested by setting up a VOIP application, connected to HFP device, checked telephony function can work normally. Co-developed-by: Sean Wang Signed-off-by: Sean Wang Signed-off-by: Mark Chen --- v2: refine git message and fix typo v3: 1. free skb after calling __hci_cmd_sync 2. make bt_awake as const struct btmtk_sco v4: 1. update git message 2. drop a few redundant error messages --- drivers/bluetooth/btmtk.h | 20 +++++++++++ drivers/bluetooth/btmtksdio.c | 68 +++++++++++++++++++++++++++++++++++ 2 files changed, 88 insertions(+) diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h index 2be1d2680ad8..fc57ef09d132 100644 --- a/drivers/bluetooth/btmtk.h +++ b/drivers/bluetooth/btmtk.h @@ -7,8 +7,12 @@ #define HCI_WMT_MAX_EVENT_SIZE 64 +#define BTMTK_WMT_REG_WRITE 0x1 #define BTMTK_WMT_REG_READ 0x2 +#define MT7921_PINMUX_0 0x70005050 +#define MT7921_PINMUX_1 0x70005054 + enum { BTMTK_WMT_PATCH_DWNLD = 0x1, BTMTK_WMT_TEST = 0x2, @@ -76,6 +80,22 @@ struct btmtk_wakeon { __le16 wakeup_delay; } __packed; +struct btmtk_sco { + u8 clock_config; + u8 transmit_format_config; + u8 channel_format_config; + u8 channel_select_config; +} __packed; + +struct reg_write_cmd { + u8 type; + u8 rsv; + u8 num; + __le32 addr; + __le32 data; + __le32 mask; +} __packed; + struct btmtk_hci_wmt_params { u8 op; u8 flag; diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 89bd70651e9e..f6fb82b317de 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -830,6 +830,66 @@ static int btsdio_mtk_reg_read(struct hci_dev *hdev, u32 reg, u32 *val) return err; } +static int btsdio_mtk_reg_write(struct hci_dev *hdev, u32 reg, u32 val, u32 mask) +{ + struct btmtk_hci_wmt_params wmt_params; + struct reg_write_cmd reg_write = { + .type = 1, + .num = 1, + .addr = cpu_to_le32(reg), + .data = cpu_to_le32(val), + .mask = cpu_to_le32(mask), + }; + int err, status; + + wmt_params.op = BTMTK_WMT_REGISTER; + wmt_params.flag = BTMTK_WMT_REG_WRITE; + wmt_params.dlen = sizeof(reg_write); + wmt_params.data = ®_write; + wmt_params.status = &status; + + err = mtk_hci_wmt_sync(hdev, &wmt_params); + if (err < 0) + bt_dev_err(hdev, "Failed to write reg(%d)", err); + + return err; +} + +static int btsdio_mtk_sco_setting(struct hci_dev *hdev) +{ + const struct btmtk_sco sco_setting = { + .clock_config = 0x49, + .channel_format_config = 0x80, + }; + struct sk_buff *skb; + u32 val; + int err; + + /* Enable SCO over I2S/PCM for MediaTek chipset */ + skb = __hci_cmd_sync(hdev, 0xfc72, sizeof(sco_setting), + &sco_setting, HCI_CMD_TIMEOUT); + if (IS_ERR(skb)) + return PTR_ERR(skb); + + kfree_skb(skb); + + err = btsdio_mtk_reg_read(hdev, MT7921_PINMUX_0, &val); + if (err < 0) + return err; + + val |= 0x11000000; + err = btsdio_mtk_reg_write(hdev, MT7921_PINMUX_0, val, ~0); + if (err < 0) + return err; + + err = btsdio_mtk_reg_read(hdev, MT7921_PINMUX_1, &val); + if (err < 0) + return err; + + val |= 0x00000101; + return btsdio_mtk_reg_write(hdev, MT7921_PINMUX_1, val, ~0); +} + static int btmtksdio_setup(struct hci_dev *hdev) { struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); @@ -862,6 +922,14 @@ static int btmtksdio_setup(struct hci_dev *hdev) err = mt79xx_setup(hdev, fwname); if (err < 0) return err; + + /* Enable SCO over I2S/PCM */ + err = btsdio_mtk_sco_setting(hdev); + if (err < 0) { + bt_dev_err(hdev, "Failed to enable SCO setting (%d)", err); + return err; + } + break; case 0x7663: case 0x7668: From patchwork Fri Dec 24 08:26:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 527740 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 DF559C433EF for ; Fri, 24 Dec 2021 08:26:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351990AbhLXI0V (ORCPT ); Fri, 24 Dec 2021 03:26:21 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:52970 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1351985AbhLXI0U (ORCPT ); Fri, 24 Dec 2021 03:26:20 -0500 X-UUID: df60c8d495e448578b599849faf97569-20211224 X-UUID: df60c8d495e448578b599849faf97569-20211224 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 572292281; Fri, 24 Dec 2021 16:26:17 +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; Fri, 24 Dec 2021 16:26:16 +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; Fri, 24 Dec 2021 16:26:16 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v4 3/3] Bluetooth: btmtksdio: move struct reg_read_cmd to common file Date: Fri, 24 Dec 2021 16:26:02 +0800 Message-ID: <068921e3eecab99a66fdf949a2597d4fded0c223.1640334021.git.sean.wang@kernel.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <91dfa736b7629cdb94bd2029f05717eeae77b07d.1640334021.git.sean.wang@kernel.org> References: <91dfa736b7629cdb94bd2029f05717eeae77b07d.1640334021.git.sean.wang@kernel.org> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Sean Wang move struct reg_read_cmd to btmtk.h to allow other mtk drivers refer to. Signed-off-by: Sean Wang --- v2, v3 and v4: no change --- drivers/bluetooth/btmtk.h | 7 +++++++ drivers/bluetooth/btmtksdio.c | 7 +------ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h index fc57ef09d132..fb76d9765ce0 100644 --- a/drivers/bluetooth/btmtk.h +++ b/drivers/bluetooth/btmtk.h @@ -87,6 +87,13 @@ struct btmtk_sco { u8 channel_select_config; } __packed; +struct reg_read_cmd { + u8 type; + u8 rsv; + u8 num; + __le32 addr; +} __packed; + struct reg_write_cmd { u8 type; u8 rsv; diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index f6fb82b317de..92371be9f4b2 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -800,12 +800,7 @@ static int mt79xx_setup(struct hci_dev *hdev, const char *fwname) static int btsdio_mtk_reg_read(struct hci_dev *hdev, u32 reg, u32 *val) { struct btmtk_hci_wmt_params wmt_params; - struct reg_read_cmd { - u8 type; - u8 rsv; - u8 num; - __le32 addr; - } __packed reg_read = { + struct reg_read_cmd reg_read = { .type = 1, .num = 1, };