From patchwork Wed Oct 5 15:28:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Stevenson X-Patchwork-Id: 612700 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 6CEEAC433F5 for ; Wed, 5 Oct 2022 15:29:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230188AbiJEP3F (ORCPT ); Wed, 5 Oct 2022 11:29:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230467AbiJEP27 (ORCPT ); Wed, 5 Oct 2022 11:28:59 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EF0D61709 for ; Wed, 5 Oct 2022 08:28:58 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id b4so19544863wrs.1 for ; Wed, 05 Oct 2022 08:28:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raspberrypi.com; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=XKiMujn/UlWa10V840tKoy+9zQnGra0wz3xwbR/Baao=; b=Zgrzdk9nuZpYHSJ62FGqdj+gRi+9OBjD8i2fK5WT+Q6n189fd1V9TgM8FCRwKv9xfh /6ALTt8/V5pjD/Kd8xPV8irHSPZqnaU2bHCKzArcTIOyfid7jJRtInWn1Pqllp5EHr1+ kPD/MmCKcvyCh/ZI5gdAAHUhgUnMADx5LSwfah7xLWXR8h3Sg8pkbVK+Gpa2nO1D9V61 b5LsRXCpt64y++KQ3j43YRETAKJ8LqfrakTlTdw3vpZsHrNIojGPleCMnJOjFqi97yKO zbrP6GWWbfaik+Wc/Y8z5A9jtaVSzJPhp20oyTEzEusGYv2z7mRAmw1MPj8AP8ve5w0k 2dew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=XKiMujn/UlWa10V840tKoy+9zQnGra0wz3xwbR/Baao=; b=BhFVafdmHlfSBOtDN694cz16tjSI8BRm6EqpLlNIuHT9PwePZzoSYl/dFCKaMDkLNJ PYjlLf/lDqTD8G681j0W4dez38yRIGZOoI7F9O+Z19m5Fghj6OqnZpklCp2Vaar78ShB tTrFuGVyA2p3wQ1U5VN4l3U683kGoEWc3I4fELD6+0CM7rGk7t6D6LHFLBWtJ7FtI+RY +zBQjw+x4OxlOlwUoDG4t7rTkdHNFJHx9+ptuOwLP45izijpz69BbM51YFpNwKX/hTbP TsHonkw6S/jNsOu+n0ABD8Tvpnm9Q+JdxmI8RWsWhDbh5vukl9G2pVikflkIgdn79+IJ Rayg== X-Gm-Message-State: ACrzQf2xg80suhR6rT6J1O5DoQ66HUnCtM1BTLq4EsEkYxAuX3PXCPZx I3avB1iNjiD9GyrvG4/SrIyL+A== X-Google-Smtp-Source: AMsMyM4bwJZY3ACG771Q/zNuT+gfx7b0IBOgPAVimtMEV3L3ImiN8IrXh8D0CVpV99W6SpXL2eb7bw== X-Received: by 2002:a05:6000:10d1:b0:22e:3bc5:c91c with SMTP id b17-20020a05600010d100b0022e3bc5c91cmr203914wrx.368.1664983737726; Wed, 05 Oct 2022 08:28:57 -0700 (PDT) Received: from dave-Ubuntu2204.pitowers.org ([93.93.133.154]) by smtp.googlemail.com with ESMTPSA id y14-20020adfe6ce000000b0022c96d3b6f2sm19747237wrm.54.2022.10.05.08.28.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Oct 2022 08:28:57 -0700 (PDT) From: Dave Stevenson To: paul.j.murphy@intel.com, daniele.alessandrelli@intel.com, linux-media@vger.kernel.org Cc: Dave Stevenson Subject: [PATCH 12/16] media: i2c: ov9282: Make V4L2_CID_HBLANK r/w Date: Wed, 5 Oct 2022 16:28:05 +0100 Message-Id: <20221005152809.3785786-13-dave.stevenson@raspberrypi.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221005152809.3785786-1-dave.stevenson@raspberrypi.com> References: <20221005152809.3785786-1-dave.stevenson@raspberrypi.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There's no reason why HBLANK has to be read-only as it only changes the TIMING_HTS register in the sensor. Remove the READ_ONLY flag, and add the relevant handling for it. The minimum value also varies based on whether continuous clock mode is being used or not, so allow hblank_min to depend on that. Signed-off-by: Dave Stevenson --- drivers/media/i2c/ov9282.c | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-) diff --git a/drivers/media/i2c/ov9282.c b/drivers/media/i2c/ov9282.c index 12cbe401fd78..8e86aa7e4b2a 100644 --- a/drivers/media/i2c/ov9282.c +++ b/drivers/media/i2c/ov9282.c @@ -22,6 +22,9 @@ #define OV9282_MODE_STANDBY 0x00 #define OV9282_MODE_STREAMING 0x01 +#define OV9282_REG_TIMING_HTS 0x380c +#define OV9282_TIMING_HTS_MAX 0x7fff + /* Lines per frame */ #define OV9282_REG_LPFR 0x380e @@ -99,7 +102,8 @@ struct ov9282_reg_list { * struct ov9282_mode - ov9282 sensor mode structure * @width: Frame width * @height: Frame height - * @hblank: Horizontal blanking in lines + * @hblank_min: Minimum horizontal blanking in lines for non-continuous[0] and + * continuous[1] clock modes * @vblank: Vertical blanking in lines * @vblank_min: Minimum vertical blanking in lines * @vblank_max: Maximum vertical blanking in lines @@ -109,7 +113,7 @@ struct ov9282_reg_list { struct ov9282_mode { u32 width; u32 height; - u32 hblank; + u32 hblank_min[2]; u32 vblank; u32 vblank_min; u32 vblank_max; @@ -249,8 +253,6 @@ static const struct ov9282_reg mode_1280x720_regs[] = { {0x3809, 0x00}, {0x380a, 0x02}, {0x380b, 0xd0}, - {0x380c, 0x02}, - {0x380d, 0xfd}, {0x3810, 0x00}, {0x3811, 0x08}, {0x3812, 0x00}, @@ -273,7 +275,7 @@ static const struct ov9282_mode supported_modes[] = { { .width = 1280, .height = 720, - .hblank = 250, + .hblank_min = { 250, 176 }, .vblank = 1022, .vblank_min = 41, .vblank_max = 51540, @@ -399,15 +401,17 @@ static int ov9282_write_regs(struct ov9282 *ov9282, static int ov9282_update_controls(struct ov9282 *ov9282, const struct ov9282_mode *mode) { + u32 hblank_min; int ret; ret = __v4l2_ctrl_s_ctrl(ov9282->link_freq_ctrl, mode->link_freq_idx); if (ret) return ret; - ret = __v4l2_ctrl_s_ctrl(ov9282->hblank_ctrl, mode->hblank); - if (ret) - return ret; + hblank_min = mode->hblank_min[ov9282->noncontinuous_clock ? 0 : 1]; + ret = __v4l2_ctrl_modify_range(ov9282->hblank_ctrl, hblank_min, + OV9282_TIMING_HTS_MAX - mode->width, 1, + hblank_min); return __v4l2_ctrl_modify_range(ov9282->vblank_ctrl, mode->vblank_min, mode->vblank_max, 1, mode->vblank); @@ -539,6 +543,10 @@ static int ov9282_set_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_VFLIP: ret = ov9282_set_ctrl_vflip(ov9282, ctrl->val); break; + case V4L2_CID_HBLANK: + ret = ov9282_write_reg(ov9282, OV9282_REG_TIMING_HTS, 2, + (ctrl->val + ov9282->cur_mode->width) >> 1); + break; default: dev_err(ov9282->dev, "Invalid control %d", ctrl->id); ret = -EINVAL; @@ -1033,6 +1041,7 @@ static int ov9282_init_controls(struct ov9282 *ov9282) struct v4l2_ctrl_handler *ctrl_hdlr = &ov9282->ctrl_handler; const struct ov9282_mode *mode = ov9282->cur_mode; struct v4l2_fwnode_device_properties props; + u32 hblank_min; u32 lpfr; int ret; @@ -1091,14 +1100,13 @@ static int ov9282_init_controls(struct ov9282 *ov9282) if (ov9282->link_freq_ctrl) ov9282->link_freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + hblank_min = mode->hblank_min[ov9282->noncontinuous_clock ? 0 : 1]; ov9282->hblank_ctrl = v4l2_ctrl_new_std(ctrl_hdlr, &ov9282_ctrl_ops, V4L2_CID_HBLANK, - OV9282_REG_MIN, - OV9282_REG_MAX, - 1, mode->hblank); - if (ov9282->hblank_ctrl) - ov9282->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + hblank_min, + OV9282_TIMING_HTS_MAX - mode->width, + 1, hblank_min); ret = v4l2_fwnode_device_parse(ov9282->dev, &props); if (!ret) {