From patchwork Fri Oct 8 22:10:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 12546593 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42061C433F5 for ; Fri, 8 Oct 2021 22:10:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E813860FC1 for ; Fri, 8 Oct 2021 22:10:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E813860FC1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3udf1tTwmIpZB32di61uhBo2GseEB7ngLnCfzSEC6co=; b=ZBpFzKqcZbUU6X 3aa9AOem2TaSkvUKjhW5L05+tJBhx+BJ6xI3bJdorndGCiYd0qccpc4s6OTjZwmU0XiyEgFYCraRl YRoHAdgbIUHReUAqTApyiHbnmY6IQJPpLKM6odd7Sb/mZcwxJsYXvLrWkncIowvkv2pyMnsCmRB7J Kf44Uejjxx7RTnKzv5Bgc2825BRttBtiiF/rcWqnK2rUatIJ3TaYjZwWBnpJzsFe8ymH5fFXrrh8R rGLbak2a83Xg+eViu1yjbhSds70rj5GSJGgKOtUUxCkAtOD9HNsTydE+a7piw7tE2lbeBLoDjmw0U 4kwUFDhSUhgzEcgenHyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYy4a-004GZ1-TP; Fri, 08 Oct 2021 22:10:36 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mYy4X-004GYE-Lw for linux-mediatek@lists.infradead.org; Fri, 08 Oct 2021 22:10:35 +0000 X-UUID: 8f701c00d7bc4d8c9f618d653ce6f7b1-20211008 X-UUID: 8f701c00d7bc4d8c9f618d653ce6f7b1-20211008 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 859045561; Fri, 08 Oct 2021 15:10:32 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 8 Oct 2021 15:10:30 -0700 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, 9 Oct 2021 06:10:29 +0800 From: To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v1 02/10] Bluetooth: btmtksido: rely on BT_MTK module Date: Sat, 9 Oct 2021 06:10:09 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211008_151033_761019_D9D7F0C7 X-CRM114-Status: GOOD ( 22.66 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Sean Wang Rely on btmtk module to reduce duplicated code Signed-off-by: Sean Wang --- drivers/bluetooth/Kconfig | 1 + drivers/bluetooth/btmtk.h | 3 + drivers/bluetooth/btmtksdio.c | 192 +++++----------------------------- 3 files changed, 28 insertions(+), 168 deletions(-) diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index 24c3aea4a7d6..36380e618ba4 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -388,6 +388,7 @@ config BT_ATH3K config BT_MTKSDIO tristate "MediaTek HCI SDIO driver" depends on MMC + select BT_MTK help MediaTek Bluetooth HCI SDIO driver. This driver is required if you want to use MediaTek Bluetooth diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h index 87c25c6cf969..18f43c641b3b 100644 --- a/drivers/bluetooth/btmtk.h +++ b/drivers/bluetooth/btmtk.h @@ -9,6 +9,9 @@ enum { BTMTK_WMT_PATCH_DWNLD = 0x1, + BTMTK_WMT_TEST = 0x2, + BTMTK_WMT_WAKEUP = 0x3, + BTMTK_WMT_HIF = 0x4, BTMTK_WMT_FUNC_CTRL = 0x6, BTMTK_WMT_RST = 0x7, BTMTK_WMT_SEMAPHORE = 0x17, diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 9872ef18f9fe..53682a4c2ced 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -12,7 +12,6 @@ #include #include -#include #include #include #include @@ -28,12 +27,10 @@ #include #include "h4_recv.h" +#include "btmtk.h" #define VERSION "0.1" -#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin" -#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin" - #define MTKBTSDIO_AUTOSUSPEND_DELAY 8000 static bool enable_autosuspend; @@ -90,69 +87,12 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); #define BTMTKSDIO_TX_WAIT_VND_EVT 1 -enum { - MTK_WMT_PATCH_DWNLD = 0x1, - MTK_WMT_TEST = 0x2, - MTK_WMT_WAKEUP = 0x3, - MTK_WMT_HIF = 0x4, - MTK_WMT_FUNC_CTRL = 0x6, - MTK_WMT_RST = 0x7, - MTK_WMT_SEMAPHORE = 0x17, -}; - -enum { - BTMTK_WMT_INVALID, - BTMTK_WMT_PATCH_UNDONE, - BTMTK_WMT_PATCH_DONE, - BTMTK_WMT_ON_UNDONE, - BTMTK_WMT_ON_DONE, - BTMTK_WMT_ON_PROGRESS, -}; - struct mtkbtsdio_hdr { __le16 len; __le16 reserved; u8 bt_type; } __packed; -struct mtk_wmt_hdr { - u8 dir; - u8 op; - __le16 dlen; - u8 flag; -} __packed; - -struct mtk_hci_wmt_cmd { - struct mtk_wmt_hdr hdr; - u8 data[256]; -} __packed; - -struct btmtk_hci_wmt_evt { - struct hci_event_hdr hhdr; - struct mtk_wmt_hdr whdr; -} __packed; - -struct btmtk_hci_wmt_evt_funcc { - struct btmtk_hci_wmt_evt hwhdr; - __be16 status; -} __packed; - -struct btmtk_tci_sleep { - u8 mode; - __le16 duration; - __le16 host_duration; - u8 host_wakeup_pin; - u8 time_compensation; -} __packed; - -struct btmtk_hci_wmt_params { - u8 op; - u8 flag; - u16 dlen; - const void *data; - u32 *status; -}; - struct btmtksdio_dev { struct hci_dev *hdev; struct sdio_func *func; @@ -174,27 +114,32 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; u32 hlen, status = BTMTK_WMT_INVALID; struct btmtk_hci_wmt_evt *wmt_evt; - struct mtk_hci_wmt_cmd wc; - struct mtk_wmt_hdr *hdr; + struct btmtk_hci_wmt_cmd *wc; + struct btmtk_wmt_hdr *hdr; int err; + /* Send the WMT command and wait until the WMT event returns */ hlen = sizeof(*hdr) + wmt_params->dlen; if (hlen > 255) return -EINVAL; - hdr = (struct mtk_wmt_hdr *)&wc; + wc = kzalloc(hlen, GFP_KERNEL); + if (!wc) + return -ENOMEM; + + hdr = &wc->hdr; hdr->dir = 1; hdr->op = wmt_params->op; hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); hdr->flag = wmt_params->flag; - memcpy(wc.data, wmt_params->data, wmt_params->dlen); + memcpy(wc->data, wmt_params->data, wmt_params->dlen); set_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); - err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc); + err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc); if (err < 0) { clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); - return err; + goto err_free_wc; } /* The vendor specific WMT commands are all answered by a vendor @@ -211,13 +156,14 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, if (err == -EINTR) { bt_dev_err(hdev, "Execution of wmt command interrupted"); clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); - return err; + goto err_free_wc; } if (err) { bt_dev_err(hdev, "Execution of wmt command timed out"); clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state); - return -ETIMEDOUT; + err = -ETIMEDOUT; + goto err_free_wc; } /* Parse and handle the return WMT event */ @@ -230,13 +176,13 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, } switch (wmt_evt->whdr.op) { - case MTK_WMT_SEMAPHORE: + case BTMTK_WMT_SEMAPHORE: if (wmt_evt->whdr.flag == 2) status = BTMTK_WMT_PATCH_UNDONE; else status = BTMTK_WMT_PATCH_DONE; break; - case MTK_WMT_FUNC_CTRL: + case BTMTK_WMT_FUNC_CTRL: wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) status = BTMTK_WMT_ON_DONE; @@ -253,6 +199,8 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, err_free_skb: kfree_skb(bdev->evt_skb); bdev->evt_skb = NULL; +err_free_wc: + kfree(wc); return err; } @@ -663,7 +611,7 @@ static int btmtksdio_func_query(struct hci_dev *hdev) u8 param = 0; /* Query whether the function is enabled */ - wmt_params.op = MTK_WMT_FUNC_CTRL; + wmt_params.op = BTMTK_WMT_FUNC_CTRL; wmt_params.flag = 4; wmt_params.dlen = sizeof(param); wmt_params.data = ¶m; @@ -678,96 +626,6 @@ static int btmtksdio_func_query(struct hci_dev *hdev) return status; } -static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) -{ - struct btmtk_hci_wmt_params wmt_params; - const struct firmware *fw; - const u8 *fw_ptr; - size_t fw_size; - int err, dlen; - u8 flag, param; - - err = request_firmware(&fw, fwname, &hdev->dev); - if (err < 0) { - bt_dev_err(hdev, "Failed to load firmware file (%d)", err); - return err; - } - - /* Power on data RAM the firmware relies on. */ - param = 1; - wmt_params.op = MTK_WMT_FUNC_CTRL; - wmt_params.flag = 3; - wmt_params.dlen = sizeof(param); - wmt_params.data = ¶m; - wmt_params.status = NULL; - - err = mtk_hci_wmt_sync(hdev, &wmt_params); - if (err < 0) { - bt_dev_err(hdev, "Failed to power on data RAM (%d)", err); - goto free_fw; - } - - fw_ptr = fw->data; - fw_size = fw->size; - - /* The size of patch header is 30 bytes, should be skip */ - if (fw_size < 30) { - err = -EINVAL; - goto free_fw; - } - - fw_size -= 30; - fw_ptr += 30; - flag = 1; - - wmt_params.op = MTK_WMT_PATCH_DWNLD; - wmt_params.status = NULL; - - while (fw_size > 0) { - dlen = min_t(int, 250, fw_size); - - /* Tell device the position in sequence */ - if (fw_size - dlen <= 0) - flag = 3; - else if (fw_size < fw->size - 30) - flag = 2; - - wmt_params.flag = flag; - wmt_params.dlen = dlen; - wmt_params.data = fw_ptr; - - err = mtk_hci_wmt_sync(hdev, &wmt_params); - if (err < 0) { - bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", - err); - goto free_fw; - } - - fw_size -= dlen; - fw_ptr += dlen; - } - - wmt_params.op = MTK_WMT_RST; - wmt_params.flag = 4; - wmt_params.dlen = 0; - wmt_params.data = NULL; - wmt_params.status = NULL; - - /* Activate funciton the firmware providing to */ - err = mtk_hci_wmt_sync(hdev, &wmt_params); - if (err < 0) { - bt_dev_err(hdev, "Failed to send wmt rst (%d)", err); - goto free_fw; - } - - /* Wait a few moments for firmware activation done */ - usleep_range(10000, 12000); - -free_fw: - release_firmware(fw); - return err; -} - static int btmtksdio_setup(struct hci_dev *hdev) { struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); @@ -782,7 +640,7 @@ static int btmtksdio_setup(struct hci_dev *hdev) calltime = ktime_get(); /* Query whether the firmware is already download */ - wmt_params.op = MTK_WMT_SEMAPHORE; + wmt_params.op = BTMTK_WMT_SEMAPHORE; wmt_params.flag = 1; wmt_params.dlen = 0; wmt_params.data = NULL; @@ -800,7 +658,7 @@ static int btmtksdio_setup(struct hci_dev *hdev) } /* Setup a firmware which the device definitely requires */ - err = mtk_setup_firmware(hdev, bdev->data->fwname); + err = btmtk_setup_firmware(hdev, bdev->data->fwname, mtk_hci_wmt_sync); if (err < 0) return err; @@ -823,7 +681,7 @@ static int btmtksdio_setup(struct hci_dev *hdev) } /* Enable Bluetooth protocol */ - wmt_params.op = MTK_WMT_FUNC_CTRL; + wmt_params.op = BTMTK_WMT_FUNC_CTRL; wmt_params.flag = 0; wmt_params.dlen = sizeof(param); wmt_params.data = ¶m; @@ -891,7 +749,7 @@ static int btmtksdio_shutdown(struct hci_dev *hdev) pm_runtime_get_sync(bdev->dev); /* Disable the device */ - wmt_params.op = MTK_WMT_FUNC_CTRL; + wmt_params.op = BTMTK_WMT_FUNC_CTRL; wmt_params.flag = 0; wmt_params.dlen = sizeof(param); wmt_params.data = ¶m; @@ -1112,5 +970,3 @@ MODULE_AUTHOR("Sean Wang "); MODULE_DESCRIPTION("MediaTek Bluetooth SDIO driver ver " VERSION); MODULE_VERSION(VERSION); MODULE_LICENSE("GPL"); -MODULE_FIRMWARE(FIRMWARE_MT7663); -MODULE_FIRMWARE(FIRMWARE_MT7668);