From patchwork Wed Feb 15 22:29:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 653853 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 EBAE6C636D4 for ; Wed, 15 Feb 2023 22:30:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229750AbjBOWa0 (ORCPT ); Wed, 15 Feb 2023 17:30:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229595AbjBOWaZ (ORCPT ); Wed, 15 Feb 2023 17:30:25 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EECF15545 for ; Wed, 15 Feb 2023 14:30:24 -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 88EC646D; Wed, 15 Feb 2023 23:30:22 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1676500222; bh=QIHXfAezOHxkFoR8CfB8/2iaRtSt/QO2+RQCj+biJBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PqB4gSYdtJ0Upmoce1JL+L64kH4t2Q3DWbttH58R30PtdojvSYDhDZXvRLRQIEw3a VcmvRRguiIpl84g7AEXB/IkoF/W1Me/bvhMtT9nUZWGS5dMtuQXv8I6MAnRjQu1vwR cY1arJL+W5YX5a6ElpVUHeoi2cxYkEZNGMhEJ3XU= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Dave Stevenson , Manivannan Sadhasivam , Sakari Ailus , Alexander Stein Subject: [PATCH v3 09/15] media: i2c: imx290: Convert V4L2_CID_HBLANK to read/write Date: Thu, 16 Feb 2023 00:29:57 +0200 Message-Id: <20230215223003.30170-10-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 driver exposed V4L2_CID_HBLANK as a read only control to allow for exposure calculations and determination of the frame rate. Convert to a read/write control so that the frame rate can be controlled. Signed-off-by: Dave Stevenson Reviewed-by: Laurent Pinchart Reviewed-by: Alexander Stein Signed-off-by: Laurent Pinchart --- drivers/media/i2c/imx290.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 26194c2b04c4..f82fb05b6695 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -47,6 +47,7 @@ #define IMX290_GAIN IMX290_REG_8BIT(0x3014) #define IMX290_VMAX IMX290_REG_24BIT(0x3018) #define IMX290_HMAX IMX290_REG_16BIT(0x301c) +#define IMX290_HMAX_MAX 0xffff #define IMX290_SHS1 IMX290_REG_24BIT(0x3020) #define IMX290_WINWV_OB IMX290_REG_8BIT(0x303a) #define IMX290_WINPV IMX290_REG_16BIT(0x303c) @@ -183,7 +184,7 @@ struct imx290_regval { struct imx290_mode { u32 width; u32 height; - u32 hmax; + u32 hmax_min; u8 link_freq_index; const struct imx290_regval *data; @@ -426,7 +427,7 @@ static const struct imx290_mode imx290_modes_2lanes[] = { { .width = 1920, .height = 1080, - .hmax = 2200, + .hmax_min = 2200, .link_freq_index = FREQ_INDEX_1080P, .data = imx290_1080p_settings, .data_size = ARRAY_SIZE(imx290_1080p_settings), @@ -434,7 +435,7 @@ static const struct imx290_mode imx290_modes_2lanes[] = { { .width = 1280, .height = 720, - .hmax = 3300, + .hmax_min = 3300, .link_freq_index = FREQ_INDEX_720P, .data = imx290_720p_settings, .data_size = ARRAY_SIZE(imx290_720p_settings), @@ -445,7 +446,7 @@ static const struct imx290_mode imx290_modes_4lanes[] = { { .width = 1920, .height = 1080, - .hmax = 2200, + .hmax_min = 2200, .link_freq_index = FREQ_INDEX_1080P, .data = imx290_1080p_settings, .data_size = ARRAY_SIZE(imx290_1080p_settings), @@ -453,7 +454,7 @@ static const struct imx290_mode imx290_modes_4lanes[] = { { .width = 1280, .height = 720, - .hmax = 3300, + .hmax_min = 3300, .link_freq_index = FREQ_INDEX_720P, .data = imx290_720p_settings, .data_size = ARRAY_SIZE(imx290_720p_settings), @@ -707,6 +708,12 @@ static int imx290_set_ctrl(struct v4l2_ctrl *ctrl) } break; + case V4L2_CID_HBLANK: + ret = imx290_write(imx290, IMX290_HMAX, + ctrl->val + imx290->current_mode->width, + NULL); + break; + default: ret = -EINVAL; break; @@ -737,12 +744,14 @@ static void imx290_ctrl_update(struct imx290 *imx290, const struct v4l2_mbus_framefmt *format, const struct imx290_mode *mode) { - unsigned int hblank = mode->hmax - mode->width; + unsigned int hblank_min = mode->hmax_min - mode->width; + unsigned int hblank_max = IMX290_HMAX_MAX - mode->width; unsigned int vblank = IMX290_VMAX_DEFAULT - mode->height; __v4l2_ctrl_s_ctrl(imx290->link_freq, mode->link_freq_index); - __v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank, 1, hblank); + __v4l2_ctrl_modify_range(imx290->hblank, hblank_min, hblank_max, 1, + hblank_min); __v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank, 1, vblank); } @@ -799,10 +808,11 @@ static int imx290_ctrl_init(struct imx290 *imx290) ARRAY_SIZE(imx290_test_pattern_menu) - 1, 0, 0, imx290_test_pattern_menu); + /* + * Actual range will be set from imx290_ctrl_update later in the probe. + */ imx290->hblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, V4L2_CID_HBLANK, 1, 1, 1, 1); - if (imx290->hblank) - imx290->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; imx290->vblank = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, V4L2_CID_VBLANK, 1, 1, 1, 1); @@ -871,11 +881,6 @@ static int imx290_start_streaming(struct imx290 *imx290, return ret; } - ret = imx290_write(imx290, IMX290_HMAX, imx290->current_mode->hmax, - NULL); - if (ret) - return ret; - /* Apply customized values from user */ ret = __v4l2_ctrl_handler_setup(imx290->sd.ctrl_handler); if (ret) {