From patchwork Wed May 4 22:30:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Scally X-Patchwork-Id: 12838712 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 5A1C0C4332F for ; Wed, 4 May 2022 22:30:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378998AbiEDWe3 (ORCPT ); Wed, 4 May 2022 18:34:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378988AbiEDWe0 (ORCPT ); Wed, 4 May 2022 18:34:26 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0ECB2D1F0 for ; Wed, 4 May 2022 15:30:46 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id i20-20020a05600c355400b0039456976dcaso1801345wmq.1 for ; Wed, 04 May 2022 15:30:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=P1QaVmRJwjnZ2MMq/nBSQV6D5HxzClMsYDbecLw36iM=; b=XwL7y4wF5rduiDiOFUQEY+paA6pTmohOZ50RCWP1KL3jIEUXG3f0xfeZvRfE4uZNN2 z6h1PbqP8TX3fA+xxG8H8Pm1rKkP86ayKykQpEg24Cb1nwTHCJWQe92z+3nQ1Lo1QpM4 2cvtO2GoAy9qqTnksRIv7yzrtrkmwhLfFTphTC1cbVYDleEjNLy/9zoI2+TDIaubgsWg YIKA/Wf7onD1WOCye7d/vxIkk8I5/nOpntHrbidLnNR8Px8Y1g6ysRmsKk/eKsrSbtvA nA8A3hILCyWOYLeMj6StDDoZqc2IdpeJBWLEPNPcvIgfJtKNAK0Dac+fSdxQ+2BV/DR5 imEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=P1QaVmRJwjnZ2MMq/nBSQV6D5HxzClMsYDbecLw36iM=; b=ZHpplxPqymPz3U7sw/LRMZHu9J5PQR2JEtN3SVY5A9hjtxz5E4Od0r4CqCuyDhyRL8 0gAVNwqMDixoP7H8wAjzaot54FT0cOI78icuH45M3mwMKMlMbAszoNi2fjjdCsS3OgAW AGvCNFDE1UJf5OPMFsL1vxBibB47HVnhbyod8WS5RIRY0+3w7OkzQmqt5PqvZUlfWZ3c 2rizHdG3CPvcW5P6amiopO51j6Xf8d01zW/caGqR7o4ue2o2KS1fuytEacJOAma5bjeN Qvjz3//m28fyWl9YEYdSU22JPTugM4kbwAG5x+hNLE2Eo76kRW0MY0iDgMnv7DqqfcIQ G8aQ== X-Gm-Message-State: AOAM533j691O2IXoVZCxvlsgBFjhVLePFTtGqJY1AVH+yYRcfB3jiRzg BvmT1Z+vgAvXUiBA/8Vmy1kQrYZfKS8= X-Google-Smtp-Source: ABdhPJxLPw2NId/q65eP1+zxSCCwhOYxHM9EE6rqHbpDkfmGSHhHy60xDfkB/4YXQV/jsNM/rU3K6w== X-Received: by 2002:a05:600c:3d96:b0:38f:fbc6:da44 with SMTP id bi22-20020a05600c3d9600b0038ffbc6da44mr1465171wmb.93.1651703445418; Wed, 04 May 2022 15:30:45 -0700 (PDT) Received: from localhost.localdomain (cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net. [86.13.91.161]) by smtp.gmail.com with ESMTPSA id h29-20020adfaa9d000000b0020c5253d913sm12501442wrc.95.2022.05.04.15.30.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 May 2022 15:30:44 -0700 (PDT) From: Daniel Scally To: linux-media@vger.kernel.org Cc: yong.zhi@intel.com, sakari.ailus@linux.intel.com, bingbu.cao@intel.com, tian.shu.qiu@intel.com, andriy.shevchenko@linux.intel.com, hverkuil-cisco@xs4all.nl Subject: [PATCH v3 05/15] media: i2c: Remove per-mode frequencies from ov7251 Date: Wed, 4 May 2022 23:30:17 +0100 Message-Id: <20220504223027.3480287-6-djrscally@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220504223027.3480287-1-djrscally@gmail.com> References: <20220504223027.3480287-1-djrscally@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Each of the defined modes in the ov7251 driver uses the same link frequency and pixel rate; just drop those members of the modes and set the controls to read only during initialisation. Add a new table defining the supported pixel rates to substitue for the values hardcoded in the modes. Signed-off-by: Daniel Scally --- Changes in v3: - None Changes in v2: - New patch drivers/media/i2c/ov7251.c | 43 +++++++++++++------------------------- 1 file changed, 14 insertions(+), 29 deletions(-) diff --git a/drivers/media/i2c/ov7251.c b/drivers/media/i2c/ov7251.c index f1965c8adbd7..f21119064b2d 100644 --- a/drivers/media/i2c/ov7251.c +++ b/drivers/media/i2c/ov7251.c @@ -526,7 +526,11 @@ static const struct reg_value ov7251_setting_vga_90fps[] = { }; static const s64 link_freq[] = { - 240000000, + [OV7251_LINK_FREQ_240_MHZ] = 240000000, +}; + +static const s64 pixel_rates[] = { + [OV7251_LINK_FREQ_240_MHZ] = 48000000, }; static const struct ov7251_mode_info ov7251_mode_info_data[] = { @@ -535,8 +539,6 @@ static const struct ov7251_mode_info ov7251_mode_info_data[] = { .height = 480, .data = ov7251_setting_vga_30fps, .data_size = ARRAY_SIZE(ov7251_setting_vga_30fps), - .pixel_clock = 48000000, - .link_freq = 0, /* an index in link_freq[] */ .exposure_max = 1704, .exposure_def = 504, .timeperframe = { @@ -549,8 +551,6 @@ static const struct ov7251_mode_info ov7251_mode_info_data[] = { .height = 480, .data = ov7251_setting_vga_60fps, .data_size = ARRAY_SIZE(ov7251_setting_vga_60fps), - .pixel_clock = 48000000, - .link_freq = 0, /* an index in link_freq[] */ .exposure_max = 840, .exposure_def = 504, .timeperframe = { @@ -563,8 +563,6 @@ static const struct ov7251_mode_info ov7251_mode_info_data[] = { .height = 480, .data = ov7251_setting_vga_90fps, .data_size = ARRAY_SIZE(ov7251_setting_vga_90fps), - .pixel_clock = 48000000, - .link_freq = 0, /* an index in link_freq[] */ .exposure_max = 552, .exposure_def = 504, .timeperframe = { @@ -1059,16 +1057,6 @@ static int ov7251_set_format(struct v4l2_subdev *sd, __crop->height = new_mode->height; if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { - ret = __v4l2_ctrl_s_ctrl_int64(ov7251->pixel_clock, - new_mode->pixel_clock); - if (ret < 0) - goto exit; - - ret = __v4l2_ctrl_s_ctrl(ov7251->link_freq, - new_mode->link_freq); - if (ret < 0) - goto exit; - ret = __v4l2_ctrl_modify_range(ov7251->exposure, 1, new_mode->exposure_max, 1, new_mode->exposure_def); @@ -1199,16 +1187,6 @@ static int ov7251_set_frame_interval(struct v4l2_subdev *subdev, new_mode = ov7251_find_mode_by_ival(ov7251, &fi->interval); if (new_mode != ov7251->current_mode) { - ret = __v4l2_ctrl_s_ctrl_int64(ov7251->pixel_clock, - new_mode->pixel_clock); - if (ret < 0) - goto exit; - - ret = __v4l2_ctrl_s_ctrl(ov7251->link_freq, - new_mode->link_freq); - if (ret < 0) - goto exit; - ret = __v4l2_ctrl_modify_range(ov7251->exposure, 1, new_mode->exposure_max, 1, new_mode->exposure_def); @@ -1317,6 +1295,7 @@ static int ov7251_probe(struct i2c_client *client) struct device *dev = &client->dev; struct ov7251 *ov7251; u8 chip_id_high, chip_id_low, chip_rev; + s64 pixel_rate; int ret; ov7251 = devm_kzalloc(dev, sizeof(struct ov7251), GFP_KERNEL); @@ -1398,17 +1377,23 @@ static int ov7251_probe(struct i2c_client *client) V4L2_CID_TEST_PATTERN, ARRAY_SIZE(ov7251_test_pattern_menu) - 1, 0, 0, ov7251_test_pattern_menu); + + pixel_rate = pixel_rates[ov7251->link_freq_idx]; ov7251->pixel_clock = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops, V4L2_CID_PIXEL_RATE, - 1, INT_MAX, 1, 1); + pixel_rate, INT_MAX, + pixel_rate, pixel_rate); ov7251->link_freq = v4l2_ctrl_new_int_menu(&ov7251->ctrls, &ov7251_ctrl_ops, V4L2_CID_LINK_FREQ, ARRAY_SIZE(link_freq) - 1, - 0, link_freq); + ov7251->link_freq_idx, + link_freq); if (ov7251->link_freq) ov7251->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + if (ov7251->pixel_clock) + ov7251->pixel_clock->flags |= V4L2_CTRL_FLAG_READ_ONLY; ov7251->sd.ctrl_handler = &ov7251->ctrls;