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=ham 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 A0A22C352A3 for ; Sat, 15 Feb 2020 19:42:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A7D92082F for ; Sat, 15 Feb 2020 19:42:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TGhkM8Hh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727797AbgBOTmL (ORCPT ); Sat, 15 Feb 2020 14:42:11 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:45062 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726340AbgBOTmK (ORCPT ); Sat, 15 Feb 2020 14:42:10 -0500 Received: by mail-pf1-f193.google.com with SMTP id 2so6737045pfg.12; Sat, 15 Feb 2020 11:42:10 -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=GoHwA/NUt6bdmcBWMk3GrpTBSbEsSYQ8eBgsnOl6FH8=; b=TGhkM8HhZmjY6DuPQb4msMGHcL2dzou1bD6wb1KGAftp1o3QHahLkCxh3w2vLkJLAW L+KiqIFB35nAHd5eUFpbR9RaqzFZwb8ZAC/atCwwXQM0Tnje/D2Z4++AprA6vSkwa8js 8buim4rd11xf7othSwdH1CR9PwauFkp23Iiwv8R62DtUJ65ngGFaZjyaR0i2I+2r9fkv lHQdo2tWRyANKH8czra1L2U/nMnigwRTlv7vgR/ovAXu4Q3+roMzvJ9aupaOhLpwPizY cO+n85XdHuwByzNr5GPH3/8RZTJYXoLOvvvVoUjCl1A7kix84J9ysgVv04C9X5UiGD3S nUXw== 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=GoHwA/NUt6bdmcBWMk3GrpTBSbEsSYQ8eBgsnOl6FH8=; b=prk0NiyODiQvKhSSpGgYiulqc+RNq4GoH1iYpKDcTbhdIVaT589KhSnumuj1yhZLCy fMkrwloQlUzGbpPD/h2Z4uPwQVUUwi67obLlrarij4ULUWAHLRGTfYZSPeFFI8zr3UkM Ou+5j2rnJzTcgOR4OZOdQzPeu/hyljJ027szG+j0mNr2jTXlMnMNlPeSfxnf+QdHuDJU EU9B1MolIDK1kuIC6d5lMDVmq6gwCsrePvN53G2MM2yar+NX+5y+hgbTGG5+g68GDWjm /e2HHtRQ6caicoTykCXoKIsh6YwSPxwr/xf19YtAPyndZ8X2rRXgfAVj8cv5+xSvw7sA qvOw== X-Gm-Message-State: APjAAAWOasZv2gjuqv4ZdN/nF1X1yq48u2ko/3W7ALJ86Ad4wPkCBSnB KzaLDo6/aSI8Aa5K6rweZ5x0sdo/LAs= X-Google-Smtp-Source: APXvYqykL2GsAy4uDFniQNsQVMLOFN4GwHeH/9K6Btq7YRMenUHjMOgBREWJ9t33xXFT+4LdznuKdw== X-Received: by 2002:aa7:8654:: with SMTP id a20mr9407051pfo.88.1581795729527; Sat, 15 Feb 2020 11:42:09 -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.175.2020.02.15.11.42.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Feb 2020 11:42:09 -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 04/17] media: imx: mipi csi-2: Implement get_fwnode_pad op Date: Sat, 15 Feb 2020 11:41:23 -0800 Message-Id: <20200215194136.10131-5-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 get_fwnode_pad operation. If the endpoint is owned by the MIPI CSI-2 receiver, return the endpoint's port number. The MIPI CSI-2 receiver maps port numbers and pad indexes 1:1. Signed-off-by: Steve Longerbeam --- drivers/staging/media/imx/imx6-mipi-csi2.c | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c index c1d1afeea53a..e27a342751fc 100644 --- a/drivers/staging/media/imx/imx6-mipi-csi2.c +++ b/drivers/staging/media/imx/imx6-mipi-csi2.c @@ -507,9 +507,37 @@ static int csi2_registered(struct v4l2_subdev *sd) 640, 480, 0, V4L2_FIELD_NONE, NULL); } +static int csi2_get_fwnode_pad(struct media_entity *entity, + struct fwnode_endpoint *endpoint) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct csi2_dev *csi2 = sd_to_dev(sd); + struct fwnode_handle *csi2_ep; + + /* + * If the endpoint is one of ours, return the endpoint's port + * number. This device maps port numbers and pad indexes 1:1. + */ + fwnode_graph_for_each_endpoint(dev_fwnode(csi2->dev), csi2_ep) { + if (endpoint->local_fwnode == csi2_ep) { + struct fwnode_endpoint fwep; + int ret; + + ret = fwnode_graph_parse_endpoint(csi2_ep, &fwep); + + fwnode_handle_put(csi2_ep); + + return ret ? ret : fwep.port; + } + } + + return -ENXIO; +} + static const struct media_entity_operations csi2_entity_ops = { .link_setup = csi2_link_setup, .link_validate = v4l2_subdev_link_validate, + .get_fwnode_pad = csi2_get_fwnode_pad, }; static const struct v4l2_subdev_video_ops csi2_video_ops = { -- 2.17.1