From patchwork Fri May 13 14:15:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 572741 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 F37E5C433EF for ; Fri, 13 May 2022 14:16:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243789AbiEMOQF (ORCPT ); Fri, 13 May 2022 10:16:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344680AbiEMOQD (ORCPT ); Fri, 13 May 2022 10:16:03 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20F8F10FC0 for ; Fri, 13 May 2022 07:16:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652451362; x=1683987362; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hZWPSlYAUzPXpAO1pvIddDQkLFTDjNfEfU18G+Z03ZQ=; b=GtMsGs5qSKEddSrOSECBGEQTIoP8XaFta0t87/CiiBuMSUrqfrXt5dGJ Benrbpl1V2EkGDb8J/ddNOV+bMZmyldk6OzDU5CMJATr7TNeK+bSI3UlV 18AFDviml1z2G+d4XtzEBNrU6nuCsP3xO/pDtVrcOezrY3iM0q1SRJBi9 ShufNdEanWfBvGdiEpnvHlhBb98UqFUHIMYrdK1Tazq+Py+sVdjRLxmpS kqLXnGilxyvvKS/+oEUY3yF/G7J2QkJ0gz7xxXIJl7ukGpQoZVaD7tRPG 53CdpseDLaUU9q3ksgviff074HlutWjhhbTE2CdRVB15NDE6+nLulhXgi A==; X-IronPort-AV: E=McAfee;i="6400,9594,10345"; a="269984497" X-IronPort-AV: E=Sophos;i="5.91,223,1647327600"; d="scan'208";a="269984497" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2022 07:16:01 -0700 X-IronPort-AV: E=Sophos;i="5.91,223,1647327600"; d="scan'208";a="637301545" Received: from paasikivi.fi.intel.com ([10.237.72.42]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2022 07:15:57 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by paasikivi.fi.intel.com (Postfix) with ESMTP id C200F21116; Fri, 13 May 2022 17:15:49 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.94.2) (envelope-from ) id 1npW57-0001fn-2t; Fri, 13 May 2022 17:15:49 +0300 From: Sakari Ailus To: linux-media@vger.kernel.org Cc: Jacopo Mondi , Steve Longerbeam , laurent.pinchart@ideasonboard.com, hverkuil-cisco@xs4all.nl, mirela.rabulea@nxp.com, xavier.roumegue@oss.nxp.com, tomi.valkeinen@ideasonboard.com, hugues.fruchet@st.com, prabhakar.mahadev-lad.rj@bp.renesas.com, aford173@gmail.com, festevam@gmail.com, Eugen.Hristev@microchip.com, jbrunet@baylibre.com, paul.elder@ideasonboard.com, eddy.khan@vergesense.com, Mauro Carvalho Chehab Subject: [PATCH v7 05/28] media: ov5640: Add LINK_FREQ control Date: Fri, 13 May 2022 17:15:25 +0300 Message-Id: <20220513141548.6344-6-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220513141548.6344-1-sakari.ailus@linux.intel.com> References: <20220513141548.6344-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Jacopo Mondi Add the V4L2_CID_LINK_FREQ control to the ov5640 driver. Make the control read-only for the moment. Signed-off-by: Jacopo Mondi Acked-by: Hugues Fruchet Tested-by: Hugues Fruchet Reviewed-by: Laurent Pinchart Signed-off-by: Sakari Ailus --- drivers/media/i2c/ov5640.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 297ed135c4768..aa1d2e7fb8190 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -141,6 +141,24 @@ static const u32 ov5640_pixel_rates[] = { [OV5640_PIXEL_RATE_48M] = 48000000, }; +/* + * MIPI CSI-2 link frequencies. + * + * Derived from the above defined pixel rate for bpp = (8, 16, 24) and + * data_lanes = (1, 2) + * + * link_freq = (pixel_rate * bpp) / (2 * data_lanes) + */ +static const s64 ov5640_csi2_link_freqs[] = { + 992000000, 888000000, 768000000, 744000000, 672000000, 672000000, + 592000000, 592000000, 576000000, 576000000, 496000000, 496000000, + 384000000, 384000000, 384000000, 336000000, 296000000, 288000000, + 248000000, 192000000, 192000000, 192000000, 96000000, +}; + +/* Link freq for default mode: UYVY 16 bpp, 2 data lanes. */ +#define OV5640_DEFAULT_LINK_FREQ 13 + enum ov5640_format_mux { OV5640_FMT_MUX_YUV422 = 0, OV5640_FMT_MUX_RGB, @@ -258,6 +276,7 @@ struct ov5640_mode_info { struct ov5640_ctrls { struct v4l2_ctrl_handler handler; struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *link_freq; struct { struct v4l2_ctrl *auto_exp; struct v4l2_ctrl *exposure; @@ -2855,6 +2874,12 @@ static int ov5640_init_controls(struct ov5640_dev *sensor) ov5640_pixel_rates[0], 1, ov5640_pixel_rates[mode->pixel_rate]); + ctrls->link_freq = v4l2_ctrl_new_int_menu(hdl, ops, + V4L2_CID_LINK_FREQ, + ARRAY_SIZE(ov5640_csi2_link_freqs) - 1, + OV5640_DEFAULT_LINK_FREQ, + ov5640_csi2_link_freqs); + /* Auto/manual white balance */ ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTO_WHITE_BALANCE, @@ -2903,6 +2928,7 @@ static int ov5640_init_controls(struct ov5640_dev *sensor) } ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; + ctrls->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE;