From patchwork Mon Aug 21 22:29:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 715611 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 1BEF5EE49AA for ; Mon, 21 Aug 2023 22:30:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231594AbjHUWan (ORCPT ); Mon, 21 Aug 2023 18:30:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231587AbjHUWam (ORCPT ); Mon, 21 Aug 2023 18:30:42 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA3501AD for ; Mon, 21 Aug 2023 15:30:36 -0700 (PDT) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0F6DB87FC; Tue, 22 Aug 2023 00:29:01 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1692656942; bh=xO3QjUyvxcybKSIPzQQT0mLraNA35x3HBdztviI5Cs4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NIdxa0vIpltbzB1wVqCqCPLyHmCX1zoMx/vOWzi8S5t7ETkAHCR5T0UDEOoslxnao 2ZudHTqDc7AzJGFno3qHRa9ODLFzb6wOaaRtwKFbDMhb2PtQ37Ng41OkmlNy0F+wC7 uuCgx8cUtd2DLHSbHvdGlYu40wUnQztghm3BF8Ec= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Sakari Ailus , Dave Stevenson , Jacopo Mondi , Lad Prabhakar , Hans de Goede Subject: [PATCH v2 16/18] media: i2c: imx219: Calculate crop rectangle dynamically Date: Tue, 22 Aug 2023 01:29:59 +0300 Message-ID: <20230821223001.28480-17-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230821223001.28480-1-laurent.pinchart@ideasonboard.com> References: <20230821223001.28480-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Calculate the crop rectangle size and location dynamically when setting the format, instead of storing it in the imx219_mode structure. This removes duplicated information from the mode, to guarantee consistency. Signed-off-by: Laurent Pinchart --- drivers/media/i2c/imx219.c | 45 +++++++++++++------------------------- 1 file changed, 15 insertions(+), 30 deletions(-) diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index 646d73d1e6a3..4140d9b78e4c 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -152,9 +153,6 @@ struct imx219_mode { /* Frame height */ unsigned int height; - /* Analog crop rectangle. */ - struct v4l2_rect crop; - /* V-timing */ unsigned int vts_def; }; @@ -292,48 +290,24 @@ static const struct imx219_mode supported_modes[] = { /* 8MPix 15fps mode */ .width = 3280, .height = 2464, - .crop = { - .left = IMX219_PIXEL_ARRAY_LEFT, - .top = IMX219_PIXEL_ARRAY_TOP, - .width = 3280, - .height = 2464 - }, .vts_def = 3526, }, { /* 1080P 30fps cropped */ .width = 1920, .height = 1080, - .crop = { - .left = 688, - .top = 700, - .width = 1920, - .height = 1080 - }, .vts_def = 1763, }, { /* 2x2 binned 30fps mode */ .width = 1640, .height = 1232, - .crop = { - .left = IMX219_PIXEL_ARRAY_LEFT, - .top = IMX219_PIXEL_ARRAY_TOP, - .width = 3280, - .height = 2464 - }, .vts_def = 1763, }, { /* 640x480 30fps mode */ .width = 640, .height = 480, - .crop = { - .left = 1008, - .top = 760, - .width = 1280, - .height = 960 - }, .vts_def = 1763, }, }; @@ -830,6 +804,7 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd, int exposure_max, exposure_def, hblank; struct v4l2_mbus_framefmt *format; struct v4l2_rect *crop; + unsigned int bin; mode = v4l2_find_nearest_size(supported_modes, ARRAY_SIZE(supported_modes), @@ -839,10 +814,20 @@ static int imx219_set_pad_format(struct v4l2_subdev *sd, imx219_update_pad_format(imx219, mode, &fmt->format, fmt->format.code); format = v4l2_subdev_get_pad_format(sd, sd_state, 0); - crop = v4l2_subdev_get_pad_crop(sd, sd_state, 0); - *format = fmt->format; - *crop = mode->crop; + + /* + * Use binning to maximize the crop rectangle size, and centre it in the + * sensor. Bin by the same factor horizontally and vertically. + */ + bin = min3(IMX219_PIXEL_ARRAY_WIDTH / format->width, + IMX219_PIXEL_ARRAY_HEIGHT / format->height, 2U); + + crop = v4l2_subdev_get_pad_crop(sd, sd_state, 0); + crop->width = format->width * bin; + crop->height = format->height * bin; + crop->left = (IMX219_NATIVE_WIDTH - crop->width) / 2; + crop->top = (IMX219_NATIVE_HEIGHT - crop->height) / 2; if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { /* Update limits and set FPS to default */