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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 52D01C71153 for ; Sat, 15 Feb 2020 19:42:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 29CC02082F for ; Sat, 15 Feb 2020 19:42:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TlHXKi9U" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727926AbgBOTm3 (ORCPT ); Sat, 15 Feb 2020 14:42:29 -0500 Received: from mail-pl1-f196.google.com ([209.85.214.196]:43037 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727880AbgBOTmW (ORCPT ); Sat, 15 Feb 2020 14:42:22 -0500 Received: by mail-pl1-f196.google.com with SMTP id p11so5129314plq.10; Sat, 15 Feb 2020 11:42:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=j/2evpY7A0C04k+gk98K37iMCYdFmql/BmRTWB1csrg=; b=TlHXKi9U8uiS2fkx2BPSRGo8YoyUc6hHaVvyRF/ec4V6f3e2pH8hLJC5vKohYdzCWn cmCCKy/flrosl+0iPDsZgqdwIe/WgrsSGa//kLYqxgKrVxMWqWKotlrBSh6orJ7ljBYn oa+Bv5oefAEIME3xifu6PzgaINoMr2vpri9DEznRfFt34Pi5hSTp+5MRTqVP6jnRBHij 4kBrKqeI+8u0bsVvSJ9fNm6YYDR/WwQHpfkQ5Ip57liK8BFvYVQNKb37cX5YxTpcjbY0 B2FZctlpPUNGIrt//nirJ9SqU3qwnHkBersRETRBze0OHHVC4HNmIUbSKxzVnmjpkZGA PnlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=j/2evpY7A0C04k+gk98K37iMCYdFmql/BmRTWB1csrg=; b=JYFydN2YuCzOFLIJ+5xabGs2POaW3RosBFwQ1EOr654wWp00rYZGmyFkoy+SIRIboo Yjvi8Y13RP4XR/FyX9gW2JadtrXwUUeaO4ddU3ltD32rnXyWSmgRqkRGygoJejHIjO8Y cwag5v0mbhOLYaD0/MaUKGJQ7NpXBLipMSNfI8tyHWMmeYqrgTEjdO6RQdsgSSNKoJoQ 31p74TaMr83A5DFSebLXLhHmNiLXcyxarbyQy6Aq+2o363u5VaXgmBg25LLT7CiQEZeN yN0DnoAZup05chRgA7FQR/IEVVaprHqvRUsAKRMz0DJ2T4eFg/KCRAtZqVUjfbQwA13f YBLg== X-Gm-Message-State: APjAAAWdyqwPjsbQf25tar3EAsXCGh72NzFqVVmI4SmLBIly8p60z23Q Vmjmi3JD69vEL4naGZCEtLl6rpO4zOE= X-Google-Smtp-Source: APXvYqzMiPby3ABFgdEWNgjVyH0LYRY9+ahPWNR0Ixl7qauNjkEXOJEmC9DbQ6oumPosWwBAam5/vQ== X-Received: by 2002:a17:902:ff11:: with SMTP id f17mr8898260plj.273.1581795741629; Sat, 15 Feb 2020 11:42:21 -0800 (PST) Received: from majic.sklembedded.com (c-73-202-231-77.hsd1.ca.comcast.net. [73.202.231.77]) by smtp.googlemail.com with ESMTPSA id q4sm11802751pfl.175.2020.02.15.11.42.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Feb 2020 11:42:21 -0800 (PST) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devel@driverdev.osuosl.org (open list:STAGING SUBSYSTEM), linux-arm-kernel@lists.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [RESEND PATCH v3 08/17] media: imx: mipi csi-2: Create media links in bound notifier Date: Sat, 15 Feb 2020 11:41:27 -0800 Message-Id: <20200215194136.10131-9-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200215194136.10131-1-slongerbeam@gmail.com> References: <20200215194136.10131-1-slongerbeam@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Implement a notifier bound op to register media links from the remote sub-device's source pad(s) to the mipi csi-2 receiver sink pad. Signed-off-by: Steve Longerbeam --- Changes in v3: - call a local imx-media utility imx_media_create_fwnode_pad_link() that creates a single link. --- drivers/staging/media/imx/imx6-mipi-csi2.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c index e27a342751fc..fddf6388348a 100644 --- a/drivers/staging/media/imx/imx6-mipi-csi2.c +++ b/drivers/staging/media/imx/imx6-mipi-csi2.c @@ -91,6 +91,11 @@ static inline struct csi2_dev *sd_to_dev(struct v4l2_subdev *sdev) return container_of(sdev, struct csi2_dev, sd); } +static inline struct csi2_dev *notifier_to_dev(struct v4l2_async_notifier *n) +{ + return container_of(n, struct csi2_dev, notifier); +} + /* * The required sequence of MIPI CSI-2 startup as specified in the i.MX6 * reference manual is as follows: @@ -584,6 +589,20 @@ static int csi2_parse_endpoint(struct device *dev, return 0; } +static int csi2_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_subdev *asd) +{ + struct csi2_dev *csi2 = notifier_to_dev(notifier); + struct media_pad *sink = &csi2->sd.entity.pads[CSI2_SINK_PAD]; + + return imx_media_create_fwnode_pad_link(sd, sink); +} + +static const struct v4l2_async_notifier_operations csi2_notify_ops = { + .bound = csi2_notify_bound, +}; + static int csi2_probe(struct platform_device *pdev) { unsigned int sink_port = 0; @@ -667,6 +686,8 @@ static int csi2_probe(struct platform_device *pdev) v4l2_async_notifier_init(&csi2->notifier); + csi2->notifier.ops = &csi2_notify_ops; + ret = v4l2_async_register_fwnode_subdev( &csi2->sd, &csi2->notifier, sizeof(struct v4l2_async_subdev), &sink_port, 1, csi2_parse_endpoint); -- 2.17.1