From patchwork Sun Sep 13 20:56:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 7170751 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5E6E09F326 for ; Sun, 13 Sep 2015 20:58:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6289D2065B for ; Sun, 13 Sep 2015 20:58:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D1772065F for ; Sun, 13 Sep 2015 20:58:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755629AbbIMU6D (ORCPT ); Sun, 13 Sep 2015 16:58:03 -0400 Received: from galahad.ideasonboard.com ([185.26.127.97]:52349 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755437AbbIMU5V (ORCPT ); Sun, 13 Sep 2015 16:57:21 -0400 Received: from avalon.pp.htv.fi (85-23-193-79.bb.dnainternet.fi [85.23.193.79]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 7E51D20B66; Sun, 13 Sep 2015 22:55:00 +0200 (CEST) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-sh@vger.kernel.org Subject: [PATCH 15/32] v4l: vsp1: Extract link creation to separate function Date: Sun, 13 Sep 2015 23:56:53 +0300 Message-Id: <1442177830-24536-16-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.4.6 In-Reply-To: <1442177830-24536-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1442177830-24536-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Link creation will be handled differently for the DU pipeline. Signed-off-by: Laurent Pinchart --- drivers/media/platform/vsp1/vsp1_drv.c | 114 ++++++++++++++++++--------------- 1 file changed, 64 insertions(+), 50 deletions(-) diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index 91ecf75119ba..d1e42260a871 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -67,7 +67,7 @@ static irqreturn_t vsp1_irq_handler(int irq, void *data) */ /* - * vsp1_create_links - Create links from all sources to the given sink + * vsp1_create_sink_links - Create links from all sources to the given sink * * This function creates media links from all valid sources to the given sink * pad. Links that would be invalid according to the VSP1 hardware capabilities @@ -76,7 +76,8 @@ static irqreturn_t vsp1_irq_handler(int irq, void *data) * - from a UDS to a UDS (UDS entities can't be chained) * - from an entity to itself (no loops are allowed) */ -static int vsp1_create_links(struct vsp1_device *vsp1, struct vsp1_entity *sink) +static int vsp1_create_sink_links(struct vsp1_device *vsp1, + struct vsp1_entity *sink) { struct media_entity *entity = &sink->subdev.entity; struct vsp1_entity *source; @@ -116,6 +117,64 @@ static int vsp1_create_links(struct vsp1_device *vsp1, struct vsp1_entity *sink) return 0; } +static int vsp1_create_links(struct vsp1_device *vsp1) +{ + struct vsp1_entity *entity; + unsigned int i; + int ret; + + list_for_each_entry(entity, &vsp1->entities, list_dev) { + if (entity->type == VSP1_ENTITY_LIF || + entity->type == VSP1_ENTITY_RPF) + continue; + + ret = vsp1_create_sink_links(vsp1, entity); + if (ret < 0) + return ret; + } + + for (i = 0; i < vsp1->pdata.rpf_count; ++i) { + struct vsp1_rwpf *rpf = vsp1->rpf[i]; + + ret = media_entity_create_link(&rpf->video->video.entity, 0, + &rpf->entity.subdev.entity, + RWPF_PAD_SINK, + MEDIA_LNK_FL_ENABLED | + MEDIA_LNK_FL_IMMUTABLE); + if (ret < 0) + return ret; + } + + for (i = 0; i < vsp1->pdata.wpf_count; ++i) { + /* Connect the video device to the WPF. All connections are + * immutable except for the WPF0 source link if a LIF is + * present. + */ + struct vsp1_rwpf *wpf = vsp1->wpf[i]; + unsigned int flags = MEDIA_LNK_FL_ENABLED; + + if (!(vsp1->pdata.features & VSP1_HAS_LIF) || i != 0) + flags |= MEDIA_LNK_FL_IMMUTABLE; + + ret = media_entity_create_link(&wpf->entity.subdev.entity, + RWPF_PAD_SOURCE, + &wpf->video->video.entity, + 0, flags); + if (ret < 0) + return ret; + } + + if (vsp1->pdata.features & VSP1_HAS_LIF) { + ret = media_entity_create_link( + &vsp1->wpf[0]->entity.subdev.entity, RWPF_PAD_SOURCE, + &vsp1->lif->entity.subdev.entity, LIF_PAD_SINK, 0); + if (ret < 0) + return ret; + } + + return 0; +} + static void vsp1_destroy_entities(struct vsp1_device *vsp1) { struct vsp1_entity *entity, *_entity; @@ -276,54 +335,9 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) } /* Create links. */ - list_for_each_entry(entity, &vsp1->entities, list_dev) { - if (entity->type == VSP1_ENTITY_LIF || - entity->type == VSP1_ENTITY_RPF) - continue; - - ret = vsp1_create_links(vsp1, entity); - if (ret < 0) - goto done; - } - - for (i = 0; i < vsp1->pdata.rpf_count; ++i) { - struct vsp1_rwpf *rpf = vsp1->rpf[i]; - - ret = media_entity_create_link(&rpf->video->video.entity, 0, - &rpf->entity.subdev.entity, - RWPF_PAD_SINK, - MEDIA_LNK_FL_ENABLED | - MEDIA_LNK_FL_IMMUTABLE); - if (ret < 0) - goto done; - } - - for (i = 0; i < vsp1->pdata.wpf_count; ++i) { - /* Connect the video device to the WPF. All connections are - * immutable except for the WPF0 source link if a LIF is - * present. - */ - struct vsp1_rwpf *wpf = vsp1->wpf[i]; - unsigned int flags = MEDIA_LNK_FL_ENABLED; - - if (!(vsp1->pdata.features & VSP1_HAS_LIF) || i != 0) - flags |= MEDIA_LNK_FL_IMMUTABLE; - - ret = media_entity_create_link(&wpf->entity.subdev.entity, - RWPF_PAD_SOURCE, - &wpf->video->video.entity, - 0, flags); - if (ret < 0) - goto done; - } - - if (vsp1->pdata.features & VSP1_HAS_LIF) { - ret = media_entity_create_link( - &vsp1->wpf[0]->entity.subdev.entity, RWPF_PAD_SOURCE, - &vsp1->lif->entity.subdev.entity, LIF_PAD_SINK, 0); - if (ret < 0) - return ret; - } + ret = vsp1_create_links(vsp1); + if (ret < 0) + goto done; /* Register all subdevs. */ list_for_each_entry(entity, &vsp1->entities, list_dev) {