From patchwork Wed May 16 16:32:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 10404391 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9EFC0601C8 for ; Wed, 16 May 2018 16:32:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8F6CE28565 for ; Wed, 16 May 2018 16:32:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 843B92856F; Wed, 16 May 2018 16:32:54 +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=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2BD3528565 for ; Wed, 16 May 2018 16:32:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752129AbeEPQcw (ORCPT ); Wed, 16 May 2018 12:32:52 -0400 Received: from relay11.mail.gandi.net ([217.70.178.231]:38559 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750980AbeEPQcv (ORCPT ); Wed, 16 May 2018 12:32:51 -0400 Received: from w540.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay11.mail.gandi.net (Postfix) with ESMTPSA id A530910000D; Wed, 16 May 2018 18:32:48 +0200 (CEST) From: Jacopo Mondi To: niklas.soderlund@ragnatech.se, laurent.pinchart@ideasonboard.com, horms@verge.net.au, geert@glider.be Cc: Jacopo Mondi , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH 4/6] media: rcar-vin: Handle CLOCKENB pin polarity Date: Wed, 16 May 2018 18:32:30 +0200 Message-Id: <1526488352-898-5-git-send-email-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1526488352-898-1-git-send-email-jacopo+renesas@jmondi.org> References: <1526488352-898-1-git-send-email-jacopo+renesas@jmondi.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Handle CLOCKENB pin polarity, or use HSYNC in its place if polarity is not specified. Signed-off-by: Jacopo Mondi --- drivers/media/platform/rcar-vin/rcar-dma.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index ac07f99..7a84eae 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -123,6 +123,8 @@ /* Video n Data Mode Register 2 bits */ #define VNDMR2_VPS (1 << 30) #define VNDMR2_HPS (1 << 29) +#define VNDMR2_CES (1 << 28) +#define VNDMR2_CHS (1 << 23) #define VNDMR2_FTEV (1 << 17) #define VNDMR2_VLV(n) ((n & 0xf) << 12) @@ -691,6 +693,15 @@ static int rvin_setup(struct rvin_dev *vin) dmr2 |= VNDMR2_VPS; /* + * Clock-enable active level select. + * Use HSYNC as enable if not specified + */ + if (vin->mbus_cfg.flags & V4L2_MBUS_DATA_ACTIVE_LOW) + dmr2 |= VNDMR2_CES; + else if (!(vin->mbus_cfg.flags & V4L2_MBUS_DATA_ACTIVE_HIGH)) + dmr2 |= VNDMR2_CHS; + + /* * Output format */ switch (vin->format.pixelformat) {