From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AF5CC04AB4 for ; Tue, 14 May 2019 06:14:51 +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 3A6D42147A for ; Tue, 14 May 2019 06:14:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SFr6js19" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A6D42147A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5Tq+FYqMAYXq6vzfkRPCbNd7SGpEdvHCBK9vwifnSik=; b=SFr6js19a2skeG pLNMWTs5l8tBcgsdCXvzBfuV5a5deKbI412t88wnHuttyP1inLKrKVPdMTLzsMDcH91C22fp4OewJ eRhcTL46OmFkuc8J50qPcZxSHtlBYIilTr07HzS1UlCWQuBC42h44srzGF/WMBGtC0Bt630R0xr2+ M1ai3ztMRwQVBeb763ix8GesxAGxdjLI7fivIk6Eeo6zbKuMV0h45zbNQSGKc2F4dscE6ttJqPKZi owjq2W6Vm6LhHCSv7/BCTm3ljk/r5JmfeFMJtxNMVFRtG2BpNJ+mUQlujti+QeXy37HV70ekt45Bw chesZwGgClVP3INL/3Jg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQQi7-0008IY-3m; Tue, 14 May 2019 06:14:47 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQQhR-0007RI-Fw; Tue, 14 May 2019 06:14:07 +0000 X-UUID: 70735b3d47524adf888c13d631cae38e-20190513 X-UUID: 70735b3d47524adf888c13d631cae38e-20190513 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1510449243; Mon, 13 May 2019 22:13:57 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 13 May 2019 23:13:57 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 14 May 2019 14:13:54 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 14 May 2019 14:13:55 +0800 From: Stu Hsieh To: Mauro Carvalho Chehab , Rob Herring , CK Hu Subject: [PATCH v3 08/13] [media] mtk-mipicsi: enable/disable cmos for mt2712 Date: Tue, 14 May 2019 14:13:45 +0800 Message-ID: <1557814430-9675-9-git-send-email-stu.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1557814430-9675-1-git-send-email-stu.hsieh@mediatek.com> References: <1557814430-9675-1-git-send-email-stu.hsieh@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 558BA277E6BA11A095170773E590F33E40DB95F87C438BAB3F404F9A024F06CC2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190513_231405_713706_C63E0A0F X-CRM114-Status: GOOD ( 12.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Stu Hsieh , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch enable/disable cmos setting for mt2712 when vb2 start/stop streaming. Signed-off-by: Stu Hsieh --- .../media/platform/mtk-mipicsi/mtk_mipicsi.c | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index f9123765ebbd..44c01c8d566b 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -93,9 +93,11 @@ #define CAMSV_MODULE_EN 0x10 #define CAMSV_FMT_SEL 0x14 #define CAMSV_INT_EN 0x18 +#define CAMSV_SW_CTL 0x20 #define CAMSV_CLK_EN 0x30 #define CAMSV_TG_SEN_MODE 0x500 +#define CAMSV_TG_VF_CON 0x504 #define CAMSV_TG_SEN_GRAB_PXL 0x508 #define CAMSV_TG_SEN_GRAB_LIN 0x50C #define CAMSV_TG_PATH_CFG 0x510 @@ -518,9 +520,25 @@ static int mtk_mipicsi_vb2_start_streaming(struct vb2_queue *vq, struct soc_camera_device *icd = soc_camera_from_vb2q(vq); struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mtk_mipicsi_dev *mipicsi = ici->priv; + unsigned int index = 0; + void __iomem *base = NULL; icd->vdev->queue = vq; + for (index = 0U; index < MTK_CAMDMA_MAX_NUM; ++index) + if (((mipicsi->link_reg_val >> index) & 0x01U) == 0x01U && + !mipicsi->is_enable_irq[index]) { + enable_irq(mipicsi->irq[index]); + mipicsi->is_enable_irq[index] = true; + + /*enable cmos_en and vf_en*/ + base = mipicsi->camsv[index]; + writel(0x00000001U | readl(base + CAMSV_TG_SEN_MODE), + base + CAMSV_TG_SEN_MODE); + writel(0x00000001U | readl(base + CAMSV_TG_VF_CON), + base + CAMSV_TG_VF_CON); + } + mipicsi->streamon = true; return 0; } @@ -530,7 +548,28 @@ static void mtk_mipicsi_vb2_stop_streaming(struct vb2_queue *vq) struct mtk_mipicsi_dev *mipicsi = vb2_get_drv_priv(vq); struct mtk_mipicsi_buf *buf = NULL; struct mtk_mipicsi_buf *tmp = NULL; + unsigned int i = 0U; unsigned int index = 0; + void __iomem *base = NULL; + + for (i = 0U; i < MTK_CAMDMA_MAX_NUM; ++i) + if (((mipicsi->link_reg_val >> i) & 0x01U) == 0x01U) { + /*disable cmos_en and vf_en*/ + base = mipicsi->camsv[i]; + writel(readl(base + CAMSV_TG_SEN_MODE) & 0xFFFFFFFEU, + base + CAMSV_TG_SEN_MODE); + writel(readl(base + CAMSV_TG_VF_CON) & 0xFFFFFFFEU, + base + CAMSV_TG_VF_CON); + /*camsv reset*/ + base = mipicsi->camsv[i]; + writel(0x00000004U | readl(base + CAMSV_SW_CTL), + base + CAMSV_SW_CTL); + writel(readl(base + CAMSV_SW_CTL) & 0xFFFFFFFBU, + base + CAMSV_SW_CTL); + disable_irq(mipicsi->irq[i]); + mipicsi->is_enable_irq[i] = false; + mipicsi->irq_status[i] = false; + } spin_lock(&mipicsi->queue_lock); while (list_empty(&(mipicsi->fb_list)) == 0) { -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel