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 CCB07C7114D for ; Sat, 15 Feb 2020 19:42:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A47B52187F for ; Sat, 15 Feb 2020 19:42:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="iJItRTiU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727838AbgBOTmQ (ORCPT ); Sat, 15 Feb 2020 14:42:16 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:35844 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727799AbgBOTmM (ORCPT ); Sat, 15 Feb 2020 14:42:12 -0500 Received: by mail-pf1-f196.google.com with SMTP id 185so6758686pfv.3; Sat, 15 Feb 2020 11:42:12 -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=72xnFHPEyLcodGDkHs6BcIOyiqauoZxf30bRgRrtTFY=; b=iJItRTiU9ZIGuHENK8T4BFJvF8IFQf2Hg5ysXS+3gJw2M6ZFeVmpbB5cVRniPq5bz0 qEety9CoPmmC1QQi6SpusZ6mDuMhaiN3KUBW3nGM7guqRXOzFBB9gHSwFYwmtrXuDswp j+V6TiDR+o6+oHoEH+x2ISzofzsDsd6MEbN/zSRuUcvApxNZqjMYBm6Of9uF0Uco6E4W GVq73Fjz70YrFOswyoz/BfpVeOEeRyhbSounHPJ8EP0OqG+M6IeI1fKZUsXeN82TWRTn q/pDzOlANXNZKVHhMO4Ct67ZTBda4hIj6VTE/7aQ3TTvA20MFpa1PyI1EFNUVEEwTbAI Qudw== 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=72xnFHPEyLcodGDkHs6BcIOyiqauoZxf30bRgRrtTFY=; b=YKYNS4lsFCJeAbSj6NUfKOQcxaFhCdUTb+mUBVig/cyW2SSX89oITnQGVt6B8QwxCK 9RSHYO1MdAvj9r+pl68eOZ9+yjVPOjelU62WKu0fABYJGkCIddh78jyL5dP4RLywBmsM lZXDDSzr2tute/EQ3lWrXfQRi9zmQhjEP5IzPaSH7O7QA7DYeNqmh+PeSAzxnouZIJGb 3t+RH4W5CPealDi5abPIoMAqBRwE0wBCCJvuGT1h2ktYPXGhkYu4CIs0qazlJUyy4Dbo yJ6EJN7X+IziPp99EKeOYXAhjz9j6IWjLQbE7M85bv3iesdugcFWnTj1yViczfFg8PyS w1gA== X-Gm-Message-State: APjAAAUvjkpdL4VXz1UoBlBR/BUcf5qWMh6lHuy/Cug/QxQGoXC7y9GI 3odin5eESeAm4gv2x+vK1jN8+Rc8xPw= X-Google-Smtp-Source: APXvYqyA8eKEE1EZxDHRCm+vv/kHU5sceEimjzNg1Q+Nu0UvFglPJz9fmdCempM9IY4kUsbd/0gZKg== X-Received: by 2002:a62:2ad1:: with SMTP id q200mr9748584pfq.123.1581795732019; Sat, 15 Feb 2020 11:42:12 -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.175.2020.02.15.11.42.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Feb 2020 11:42:11 -0800 (PST) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam , Philipp Zabel , Mauro Carvalho Chehab , Thomas Gleixner , linux-kernel@vger.kernel.org (open list) Subject: [RESEND PATCH v3 05/17] media: video-mux: Implement get_fwnode_pad op Date: Sat, 15 Feb 2020 11:41:24 -0800 Message-Id: <20200215194136.10131-6-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 video mux, return the endpoint's port number. The video mux maps fwnode port numbers and pad indexes 1:1. Signed-off-by: Steve Longerbeam --- drivers/media/platform/video-mux.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/media/platform/video-mux.c b/drivers/media/platform/video-mux.c index 3d2a5c2b4c08..c1c477e4e33f 100644 --- a/drivers/media/platform/video-mux.c +++ b/drivers/media/platform/video-mux.c @@ -94,9 +94,38 @@ static int video_mux_link_setup(struct media_entity *entity, return ret; } +static int video_mux_get_fwnode_pad(struct media_entity *entity, + struct fwnode_endpoint *endpoint) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct video_mux *vmux = v4l2_subdev_to_video_mux(sd); + struct fwnode_handle *vmux_fwnode = dev_fwnode(vmux->subdev.dev); + struct fwnode_handle *vmux_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(vmux_fwnode, vmux_ep) { + if (endpoint->local_fwnode == vmux_ep) { + struct fwnode_endpoint fwep; + int ret; + + ret = fwnode_graph_parse_endpoint(vmux_ep, &fwep); + + fwnode_handle_put(vmux_ep); + + return ret ? ret : fwep.port; + } + } + + return -ENXIO; +} + static const struct media_entity_operations video_mux_ops = { .link_setup = video_mux_link_setup, .link_validate = v4l2_subdev_link_validate, + .get_fwnode_pad = video_mux_get_fwnode_pad, }; static int video_mux_s_stream(struct v4l2_subdev *sd, int enable) -- 2.17.1