From patchwork Wed Jun 7 09:33:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 9771031 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 C4F1160350 for ; Wed, 7 Jun 2017 09:34:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD3C026E16 for ; Wed, 7 Jun 2017 09:34:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1E6228438; Wed, 7 Jun 2017 09:34:04 +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=-6.9 required=2.0 tests=BAYES_00,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 5C08526E16 for ; Wed, 7 Jun 2017 09:34:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751500AbdFGJeD (ORCPT ); Wed, 7 Jun 2017 05:34:03 -0400 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:56943 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751485AbdFGJeC (ORCPT ); Wed, 7 Jun 2017 05:34:02 -0400 Received: from lupine.hi.4.pengutronix.de ([10.1.0.115] helo=lupine.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.84_2) (envelope-from ) id 1dIXLa-00064N-US; Wed, 07 Jun 2017 11:33:50 +0200 From: Philipp Zabel To: Steve Longerbeam Cc: linux-media@vger.kernel.org, Hans Verkuil , Peter Rosin , Sakari Ailus , Pavel Machek , Rob Herring , Mark Rutland , Vladimir Zapolskiy , Sebastian Reichel , Kieran Bingham , kernel@pengutronix.de, Philipp Zabel , Steve Longerbeam Subject: [PATCH v8 2/3] [media] add mux and video interface bridge entity functions Date: Wed, 7 Jun 2017 11:33:44 +0200 Message-Id: <1496828025-4848-2-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1496828025-4848-1-git-send-email-p.zabel@pengutronix.de> References: <1496828025-4848-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.115 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.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 Add two new media entity function definitions for video multiplexers and video interface bridges. Signed-off-by: Philipp Zabel - renamed MEDIA_ENT_F_MUX to MEDIA_ENT_F_VID_MUX Signed-off-by: Steve Longerbeam Acked-by: Sakari Ailus Acked-by: Pavel Machek --- Changes since v7 [1]: - Drop a redundant sentence. - Clarify number of video interface bridge source pads. [1] https://patchwork.linuxtv.org/patch/41536/ --- Documentation/media/uapi/mediactl/media-types.rst | 21 +++++++++++++++++++++ include/uapi/linux/media.h | 6 ++++++ 2 files changed, 27 insertions(+) diff --git a/Documentation/media/uapi/mediactl/media-types.rst b/Documentation/media/uapi/mediactl/media-types.rst index 2a5164aea2b40..71078565d6444 100644 --- a/Documentation/media/uapi/mediactl/media-types.rst +++ b/Documentation/media/uapi/mediactl/media-types.rst @@ -299,6 +299,27 @@ Types and flags used to represent the media graph elements received on its sink pad and outputs the statistics data on its source pad. + - .. row 29 + + .. _MEDIA-ENT-F-VID-MUX: + + - ``MEDIA_ENT_F_VID_MUX`` + + - Video multiplexer. An entity capable of multiplexing must have at + least two sink pads and one source pad, and must pass the video + frame(s) received from the active sink pad to the source pad. + + - .. row 30 + + .. _MEDIA-ENT-F-VID-IF-BRIDGE: + + - ``MEDIA_ENT_F_VID_IF_BRIDGE`` + + - Video interface bridge. A video interface bridge entity must have at + least one sink pad and at least one source pad. It receives video + frames on its sink pad from an input video bus of one type (HDMI, eDP, + MIPI CSI-2, ...), and outputs them on its source pad to an output + video bus of another type (eDP, MIPI CSI-2, parallel, ...). .. tabularcolumns:: |p{5.5cm}|p{12.0cm}| diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index 4890787731b85..fac96c64fe513 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -105,6 +105,12 @@ struct media_device_info { #define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006) /* + * Switch and bridge entitites + */ +#define MEDIA_ENT_F_VID_MUX (MEDIA_ENT_F_BASE + 0x5001) +#define MEDIA_ENT_F_VID_IF_BRIDGE (MEDIA_ENT_F_BASE + 0x5002) + +/* * Connectors */ /* It is a responsibility of the entity drivers to add connectors and links */