From patchwork Wed Feb 15 22:30:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 654317 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 E008BC636CC for ; Wed, 15 Feb 2023 22:30:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229771AbjBOWaf (ORCPT ); Wed, 15 Feb 2023 17:30:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229765AbjBOWae (ORCPT ); Wed, 15 Feb 2023 17:30:34 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4D71252B2 for ; Wed, 15 Feb 2023 14:30:33 -0800 (PST) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 57A44465; Wed, 15 Feb 2023 23:30:32 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1676500232; bh=JzNVNefyKAQPfT5PlbhuMavNYm4YoIjhFI+Fxa/JZWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L0ton/u9OX993DhO2H+5IBXzpVtVUw2sL4D5UmTPTLbZvlboYP0H9G75N7GEznSFu ZcLIVGGCJH+gCwmAFAu4vWvHKXE5EQPh12QwDoAwEQJHDWnMwU8sGhszG1G/CvxZFP sL8Xo3awsLnt5U+RNP6EAb8KxcHCHQCxSJDa2LdY= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Dave Stevenson , Manivannan Sadhasivam , Sakari Ailus , Alexander Stein Subject: [PATCH v3 14/15] media: i2c: imx290: Add support for H & V Flips Date: Thu, 16 Feb 2023 00:30:02 +0200 Message-Id: <20230215223003.30170-15-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230215223003.30170-1-laurent.pinchart@ideasonboard.com> References: <20230215223003.30170-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Dave Stevenson The sensor supports H & V flips, so add the relevant hooks for V4L2_CID_HFLIP and V4L2_CID_VFLIP to configure them. Note that the Bayer order is maintained as the readout area shifts by 1 pixel in the appropriate direction (note the comment about the top margin being 8 pixels whilst the bottom margin is 9). The V4L2_SEL_TGT_CROP region is therefore adjusted appropriately. Signed-off-by: Dave Stevenson Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- drivers/media/i2c/imx290.c | 51 ++++++++++++++++++++++++++++++++++---- 1 file changed, 46 insertions(+), 5 deletions(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 14a6ec4e398d..ec380bb7533f 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -208,6 +208,7 @@ struct imx290_mode { u32 hmax_min; u32 vmax_min; u8 link_freq_index; + u8 ctrl_07; const struct imx290_regval *data; u32 data_size; @@ -248,6 +249,10 @@ struct imx290 { struct v4l2_ctrl *hblank; struct v4l2_ctrl *vblank; struct v4l2_ctrl *exposure; + struct { + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; + }; }; static inline struct imx290 *to_imx290(struct v4l2_subdev *_sd) @@ -325,7 +330,6 @@ static const struct imx290_regval xclk_regs[][IMX290_NUM_CLK_REGS] = { static const struct imx290_regval imx290_1080p_settings[] = { /* mode settings */ - { IMX290_CTRL_07, IMX290_WINMODE_1080P }, { IMX290_WINWV_OB, 12 }, { IMX290_OPB_SIZE_V, 10 }, { IMX290_X_OUT_SIZE, 1920 }, @@ -334,7 +338,6 @@ static const struct imx290_regval imx290_1080p_settings[] = { static const struct imx290_regval imx290_720p_settings[] = { /* mode settings */ - { IMX290_CTRL_07, IMX290_WINMODE_720P }, { IMX290_WINWV_OB, 6 }, { IMX290_OPB_SIZE_V, 4 }, { IMX290_X_OUT_SIZE, 1280 }, @@ -494,6 +497,7 @@ static const struct imx290_mode imx290_modes_2lanes[] = { .hmax_min = 2200, .vmax_min = 1125, .link_freq_index = FREQ_INDEX_1080P, + .ctrl_07 = IMX290_WINMODE_1080P, .data = imx290_1080p_settings, .data_size = ARRAY_SIZE(imx290_1080p_settings), .clk_cfg = imx290_1080p_clock_config, @@ -504,6 +508,7 @@ static const struct imx290_mode imx290_modes_2lanes[] = { .hmax_min = 3300, .vmax_min = 750, .link_freq_index = FREQ_INDEX_720P, + .ctrl_07 = IMX290_WINMODE_720P, .data = imx290_720p_settings, .data_size = ARRAY_SIZE(imx290_720p_settings), .clk_cfg = imx290_720p_clock_config, @@ -517,6 +522,7 @@ static const struct imx290_mode imx290_modes_4lanes[] = { .hmax_min = 2200, .vmax_min = 1125, .link_freq_index = FREQ_INDEX_1080P, + .ctrl_07 = IMX290_WINMODE_1080P, .data = imx290_1080p_settings, .data_size = ARRAY_SIZE(imx290_1080p_settings), .clk_cfg = imx290_1080p_clock_config, @@ -527,6 +533,7 @@ static const struct imx290_mode imx290_modes_4lanes[] = { .hmax_min = 3300, .vmax_min = 750, .link_freq_index = FREQ_INDEX_720P, + .ctrl_07 = IMX290_WINMODE_720P, .data = imx290_720p_settings, .data_size = ARRAY_SIZE(imx290_720p_settings), .clk_cfg = imx290_720p_clock_config, @@ -835,6 +842,20 @@ static int imx290_set_ctrl(struct v4l2_ctrl *ctrl) NULL); break; + case V4L2_CID_HFLIP: + case V4L2_CID_VFLIP: + { + u32 reg; + + reg = imx290->current_mode->ctrl_07; + if (imx290->hflip->val) + reg |= IMX290_HREVERSE; + if (imx290->vflip->val) + reg |= IMX290_VREVERSE; + ret = imx290_write(imx290, IMX290_CTRL_07, reg, NULL); + break; + } + default: ret = -EINVAL; break; @@ -887,7 +908,7 @@ static int imx290_ctrl_init(struct imx290 *imx290) if (ret < 0) return ret; - v4l2_ctrl_handler_init(&imx290->ctrls, 9); + v4l2_ctrl_handler_init(&imx290->ctrls, 11); /* * The sensor has an analog gain and a digital gain, both controlled @@ -944,6 +965,12 @@ static int imx290_ctrl_init(struct imx290 *imx290) imx290->vblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, V4L2_CID_VBLANK, 1, 1, 1, 1); + imx290->hflip = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + imx290->vflip = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_cluster(2, &imx290->hflip); + v4l2_ctrl_new_fwnode_properties(&imx290->ctrls, &imx290_ctrl_ops, &props); @@ -1065,6 +1092,13 @@ static int imx290_set_stream(struct v4l2_subdev *sd, int enable) pm_runtime_put_autosuspend(imx290->dev); } + /* + * vflip and hflip should not be changed during streaming as the sensor + * will produce an invalid frame. + */ + __v4l2_ctrl_grab(imx290->vflip, enable); + __v4l2_ctrl_grab(imx290->hflip, enable); + unlock: v4l2_subdev_unlock_state(state); return ret; @@ -1147,16 +1181,23 @@ static int imx290_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { + struct imx290 *imx290 = to_imx290(sd); struct v4l2_mbus_framefmt *format; switch (sel->target) { case V4L2_SEL_TGT_CROP: { format = v4l2_subdev_get_pad_format(sd, sd_state, 0); + /* + * The sensor moves the readout by 1 pixel based on flips to + * keep the Bayer order the same. + */ sel->r.top = IMX920_PIXEL_ARRAY_MARGIN_TOP - + (IMX290_PIXEL_ARRAY_RECORDING_HEIGHT - format->height) / 2; + + (IMX290_PIXEL_ARRAY_RECORDING_HEIGHT - format->height) / 2 + + imx290->vflip->val; sel->r.left = IMX920_PIXEL_ARRAY_MARGIN_LEFT - + (IMX290_PIXEL_ARRAY_RECORDING_WIDTH - format->width) / 2; + + (IMX290_PIXEL_ARRAY_RECORDING_WIDTH - format->width) / 2 + + imx290->hflip->val; sel->r.width = format->width; sel->r.height = format->height;