From patchwork Tue Apr 16 09:27:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stu Hsieh X-Patchwork-Id: 10902357 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 35C41161F for ; Tue, 16 Apr 2019 09:30:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 19A352892B for ; Tue, 16 Apr 2019 09:30:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0DDB328931; Tue, 16 Apr 2019 09:30:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B3D982892B for ; Tue, 16 Apr 2019 09:30:46 +0000 (UTC) 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=M76MFECw4RALDASQsSx97drWjOv3R8UurllyDfgbJdc=; b=MiqvZAD9cXj7Rr V9vI2iAgZx+54oP6fHSwBc5UaPekyl8mkKxKzkPd3uotzTHl5G4y91tgR/qpVLTV4FujaiHRAHj4c 0QR8Re+mIXuPIDQzvt9ttfR8xP4kuO1CiiaNnio4O5f4xzUCIpQ1jEoEtHeQQkjmzHZpDT82l7v+o I7L71WbZX6d/9tOqhMV78GKTed7qDoM3qMfbgSwPEjpz2qZ7+NYnzAX2cWC16kN7vKIKo9+3Xr6bX Y5ZC6mStCLumvRclWdsJx4EHdNryRn4Hg+v7CdhpFW5A//3t+utpCSr/NwOPbxWdnpg2v1YF8AjYZ 5/1knfzJ2hbNbAbRfq4g==; 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 1hGKQO-0005Qz-Mt; Tue, 16 Apr 2019 09:30:44 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGKO6-0001VM-2X; Tue, 16 Apr 2019 09:28:39 +0000 X-UUID: 540012b0d566479b9b93b958e01fcf87-20190416 X-UUID: 540012b0d566479b9b93b958e01fcf87-20190416 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 931393676; Tue, 16 Apr 2019 01:28:03 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 16 Apr 2019 02:28:02 -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, 16 Apr 2019 17:27:48 +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, 16 Apr 2019 17:27:48 +0800 From: Stu Hsieh To: Mauro Carvalho Chehab , Rob Herring , CK Hu Subject: [PATCH v2 09/15] [media] mtk-mipicsi: enable/disable cmos for mt2712 Date: Tue, 16 Apr 2019 17:27:37 +0800 Message-ID: <1555406863-18069-10-git-send-email-stu.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1555406863-18069-1-git-send-email-stu.hsieh@mediatek.com> References: <1555406863-18069-1-git-send-email-stu.hsieh@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: BD0221EB43208B984DF20508C1A427191BBB02383E6E9D675AE55CC4A97C0BDB2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190416_022822_520261_CBD1F9B3 X-CRM114-Status: GOOD ( 11.91 ) X-BeenThere: linux-mediatek@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, wsd_upstream@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 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index 8a4079f0ed9b..7331543d400a 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -97,9 +97,11 @@ #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 @@ -531,9 +533,25 @@ 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; } @@ -543,7 +561,29 @@ 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->frame_cnt[i] = 0UL; + mipicsi->irq_status[i] = false; + } spin_lock(&mipicsi->queue_lock); while (list_empty(&(mipicsi->fb_list)) == 0) {