From patchwork Mon Nov 28 15:23:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 13057711 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2465EC4321E for ; Mon, 28 Nov 2022 15:28:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232421AbiK1P2J (ORCPT ); Mon, 28 Nov 2022 10:28:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231886AbiK1P1T (ORCPT ); Mon, 28 Nov 2022 10:27:19 -0500 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [217.70.178.231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15CBE24970; Mon, 28 Nov 2022 07:25:38 -0800 (PST) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id E9413100002; Mon, 28 Nov 2022 15:25:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1669649137; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KAKVyFgksg4NSXevr0L+QPIAsthqMqdls7iQD9SYOTY=; b=WTSsCb/En4Ownxk3os3UhuBlYqEUxtb6B/S8PprqoJD6aWUVoaSSaCII0LMlcBh04drJ3a f1DzEn9XS/FONn/DxlMs7/AvCfYs3TLi1B6TJFfA9ZICSR3L0YiZIipStoENaWEqIQy20I +zjXU/a30rR3nGsgR+McYkjWV2XmSMMdp/1ZR1GgAWVD8oBx6igjyfmLQubPELjFg35dLT ntMCWBWqsG4hgCvpoE8tYkSb9/Nc9T5qaYGfB5otk8BrHNSO75opiZ3jQm3HuYGGX86vHS DBAyOdITvRJyV2wA7Ok+rFojWYg5nJJ+2kH9kugnmTNVYdGrFmVwYW+7cr429w== From: Luca Ceresoli To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Cc: Luca Ceresoli , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Petazzoni , Paul Kocialkowski , Richard Leitner Subject: [PATCH v2 17/21] staging: media: tegra-video: add syncpts for Tegra20 to struct tegra_vi Date: Mon, 28 Nov 2022 16:23:32 +0100 Message-Id: <20221128152336.133953-18-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221128152336.133953-1-luca.ceresoli@bootlin.com> References: <20221128152336.133953-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In preparation to implement Tegra20 parallel video capture, add variables to hold the required syncpt. Signed-off-by: Luca Ceresoli --- No changes in v2 --- drivers/staging/media/tegra-video/vi.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/tegra-video/vi.h b/drivers/staging/media/tegra-video/vi.h index 8fadca33bcc9..ba563cd17296 100644 --- a/drivers/staging/media/tegra-video/vi.h +++ b/drivers/staging/media/tegra-video/vi.h @@ -117,11 +117,13 @@ struct tegra_vi { * @vi: Tegra video input device structure * @frame_start_sp: host1x syncpoint pointer to synchronize programmed capture * start condition with hardware frame start events through host1x - * syncpoint counters. + * syncpoint counters. (Tegra210) * @mw_ack_sp: host1x syncpoint pointer to synchronize programmed memory write * ack trigger condition with hardware memory write done at end of - * frame through host1x syncpoint counters. + * frame through host1x syncpoint counters. (Tegra210) * @sp_incr_lock: protects cpu syncpoint increment. + * @out_sp: host1x syncpoint pointer for frame sync (Tegra20) + * @next_out_sp_idx: next expected value for @out_sp (Tegra20) * * @kthread_start_capture: kthread to start capture of single frame when * vb buffer is available. This thread programs VI CSI hardware @@ -173,6 +175,8 @@ struct tegra_vi_channel { struct host1x_syncpt *mw_ack_sp[GANG_PORTS_MAX]; /* protects the cpu syncpoint increment */ spinlock_t sp_incr_lock[GANG_PORTS_MAX]; + struct host1x_syncpt *out_sp; + u32 next_out_sp_idx; struct task_struct *kthread_start_capture; wait_queue_head_t start_wait;