From patchwork Mon Dec 18 17:40:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikhail Rudenko X-Patchwork-Id: 13497335 Received: from mail-lj1-f174.google.com (mail-lj1-f174.google.com [209.85.208.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EC0174E3B; Mon, 18 Dec 2023 17:41:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SHhhqRoN" Received: by mail-lj1-f174.google.com with SMTP id 38308e7fff4ca-2cc6b5a8364so17406451fa.2; Mon, 18 Dec 2023 09:41:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702921273; x=1703526073; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=qdSh6oi/Iw5H+Kb8gikp+vFtU20wx36V3GBFieJ685E=; b=SHhhqRoNIZftU/A3sMPzQ+C5C9VRLXfXm3IMq9yQfvJoopMPe/W3v/7shcP7YjQ45B SYNs7dmvhToSvf2A30amfD7HpHsLW+s/ZlX3H3PKlXpvCKMHTWzbtA9u8rZkBtj8Ldd+ AQAk9h5Ldx1cv+ymKR73O79vtyPQ8zYrCk2miRFOawGA7hxcVBKqC+et+SWR+euj/Bwo UMafa0IgsEvTCJK4rZIfF8ohlJ0XEKuSARfuDaP0CQmFksBXS6ap6r/Tsx6wxhxF0o3y hcoaUbQwfv2ZJTT38DTapVgXgGqT2oD5J9AlSPsZUmwOaUkmo7FQYnUgyroDI3E9FBNh E2JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702921273; x=1703526073; 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:message-id:reply-to; bh=qdSh6oi/Iw5H+Kb8gikp+vFtU20wx36V3GBFieJ685E=; b=J20SG5KeoCgmvtlDfBMby2azUV9nHKXxT8aN1XQO8+izWxe0ErEwqWLsaKds3cpytk ImTjJbZEb7VkXD+itGB6HxsujAyESTpRWNN/BbD8jNkTuRiCawxtiFsct9v0kOvj/T8e oZ8wkyUGvJONuljpCsglX01cbBIG5KbM7ZZOJkkPKp37Dy7cNBHE2EZ3inSkdAzuWJEs yAG7AwjS7npJJCAVAX5zGWyrkim57pwyhGMaZxyrK2bv1EaHUdJfV6m2BbEhHkNE6pqp plNN3R6739O1x9/9uGZGwRve++y3BkOg9q0S8XNU9nJrOsQh7hG38F6ImzyMZVPrYMyz adWA== X-Gm-Message-State: AOJu0YxhIuUaiiHnN6chESz+RLpavDTkl8dMqBvn4wlcyPNvoPm5Vudc ZzK7b5o/OGxwJmoBctD0BKiTesL2sqNGqA== X-Google-Smtp-Source: AGHT+IFqVvCBigspIn7uwDT5zzsfSE7dmH82IPrSC1aeSAceHNjVmNZfRrkSE2tAH9f8by/veLnI3g== X-Received: by 2002:a2e:b892:0:b0:2cb:5b8a:7013 with SMTP id r18-20020a2eb892000000b002cb5b8a7013mr7039683ljp.75.1702921273170; Mon, 18 Dec 2023 09:41:13 -0800 (PST) Received: from localhost ([83.149.246.185]) by smtp.gmail.com with ESMTPSA id h4-20020a2ebc84000000b002cc6fa877cesm543853ljf.76.2023.12.18.09.41.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Dec 2023 09:41:12 -0800 (PST) From: Mikhail Rudenko To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sakari Ailus , Laurent Pinchart , Jacopo Mondi , Tommaso Merciai , Christophe JAILLET , Dave Stevenson , Mauro Carvalho Chehab , Mikhail Rudenko Subject: [PATCH v2 12/20] media: i2c: ov4689: Implement vflip/hflip controls Date: Mon, 18 Dec 2023 20:40:33 +0300 Message-ID: <20231218174042.794012-13-mike.rudenko@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231218174042.794012-1-mike.rudenko@gmail.com> References: <20231218174042.794012-1-mike.rudenko@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The OV4689 sensor supports horizontal and vertical flipping. Add appropriate controls to the driver. Toggling both array flip and digital flip bits allows to achieve flipping while maintaining output Bayer order. Note that the default value of hflip control corresponds to both bits set, as it was before this patch. Signed-off-by: Mikhail Rudenko --- drivers/media/i2c/ov4689.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c index 06ed9d22b2c8..6cf986bf305d 100644 --- a/drivers/media/i2c/ov4689.c +++ b/drivers/media/i2c/ov4689.c @@ -42,6 +42,14 @@ #define OV4689_REG_VTS CCI_REG16(0x380e) #define OV4689_VTS_MAX 0x7fff +#define OV4689_REG_TIMING_FORMAT1 CCI_REG8(0x3820) +#define OV4689_REG_TIMING_FORMAT2 CCI_REG8(0x3821) +#define OV4689_TIMING_FLIP_MASK GENMASK(2, 1) +#define OV4689_TIMING_FLIP_ARRAY BIT(1) +#define OV4689_TIMING_FLIP_DIGITAL BIT(2) +#define OV4689_TIMING_FLIP_BOTH (OV4689_TIMING_FLIP_ARRAY |\ + OV4689_TIMING_FLIP_DIGITAL) + #define OV4689_REG_TEST_PATTERN CCI_REG8(0x5040) #define OV4689_TEST_PATTERN_ENABLE 0x80 #define OV4689_TEST_PATTERN_DISABLE 0x0 @@ -183,7 +191,6 @@ static const struct cci_reg_sequence ov4689_2688x1520_regs[] = { {CCI_REG8(0x3811), 0x08}, /* H_WIN_OFF_L h_win_off[7:0] = 0x08*/ {CCI_REG8(0x3813), 0x04}, /* V_WIN_OFF_L v_win_off[7:0] = 0x04 */ {CCI_REG8(0x3819), 0x01}, /* VSYNC_END_L vsync_end_point[7:0] = 0x01 */ - {CCI_REG8(0x3821), 0x06}, /* TIMING_FORMAT2 array_h_mirror = 1, digital_h_mirror = 1 */ /* OTP control */ {CCI_REG8(0x3d85), 0x36}, /* OTP_REG85 OTP_power_up_load_setting_enable = 1, @@ -607,6 +614,16 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) (ctrl->val + ov4689->cur_mode->width) / OV4689_HTS_DIVIDER, &ret); break; + case V4L2_CID_VFLIP: + cci_update_bits(regmap, OV4689_REG_TIMING_FORMAT1, + OV4689_TIMING_FLIP_MASK, + ctrl->val ? OV4689_TIMING_FLIP_BOTH : 0, &ret); + break; + case V4L2_CID_HFLIP: + cci_update_bits(regmap, OV4689_REG_TIMING_FORMAT2, + OV4689_TIMING_FLIP_MASK, + ctrl->val ? 0 : OV4689_TIMING_FLIP_BOTH, &ret); + break; default: dev_warn(dev, "%s Unhandled id:0x%x, val:0x%x\n", __func__, ctrl->id, ctrl->val); @@ -637,7 +654,7 @@ static int ov4689_initialize_controls(struct ov4689 *ov4689) handler = &ov4689->ctrl_handler; mode = ov4689->cur_mode; - ret = v4l2_ctrl_handler_init(handler, 10); + ret = v4l2_ctrl_handler_init(handler, 12); if (ret) return ret; @@ -677,6 +694,9 @@ static int ov4689_initialize_controls(struct ov4689 *ov4689) ARRAY_SIZE(ov4689_test_pattern_menu) - 1, 0, 0, ov4689_test_pattern_menu); + v4l2_ctrl_new_std(handler, &ov4689_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(handler, &ov4689_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); + if (handler->error) { ret = handler->error; dev_err(ov4689->dev, "Failed to init controls(%d)\n", ret);