From patchwork Fri Jul 24 15:08:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar Mahadev Lad X-Patchwork-Id: 65815 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1jyzEO-00BZkK-0R; Fri, 24 Jul 2020 15:03:28 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726730AbgGXPI3 (ORCPT + 1 other); Fri, 24 Jul 2020 11:08:29 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:57183 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726938AbgGXPI0 (ORCPT ); Fri, 24 Jul 2020 11:08:26 -0400 X-IronPort-AV: E=Sophos;i="5.75,391,1589209200"; d="scan'208";a="52752077" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 25 Jul 2020 00:08:26 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 1AF46400517D; Sat, 25 Jul 2020 00:08:23 +0900 (JST) From: Lad Prabhakar To: Jacopo Mondi , Mauro Carvalho Chehab , Hans Verkuil , linux-media@vger.kernel.org, Kieran Bingham Cc: linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Biju Das , Prabhakar , Lad Prabhakar Subject: [PATCH 2/2] media: i2c: ov772x: Add test pattern control Date: Fri, 24 Jul 2020 16:08:16 +0100 Message-Id: <1595603296-25903-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1595603296-25903-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <1595603296-25903-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Add support for test pattern control supported by the sensor. Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das --- drivers/media/i2c/ov772x.c | 25 ++++++++++++++++++++++++- include/media/i2c/ov772x.h | 1 + 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index 3b7dfba..bdee2a8 100644 --- a/drivers/media/i2c/ov772x.c +++ b/drivers/media/i2c/ov772x.c @@ -227,7 +227,7 @@ /* COM3 */ #define SWAP_MASK (SWAP_RGB | SWAP_YUV | SWAP_ML) -#define IMG_MASK (VFLIP_IMG | HFLIP_IMG) +#define IMG_MASK (VFLIP_IMG | HFLIP_IMG | SCOLOR_TEST) #define VFLIP_IMG 0x80 /* Vertical flip image ON/OFF selection */ #define HFLIP_IMG 0x40 /* Horizontal mirror image ON/OFF selection */ @@ -425,6 +425,7 @@ struct ov772x_priv { const struct ov772x_win_size *win; struct v4l2_ctrl *vflip_ctrl; struct v4l2_ctrl *hflip_ctrl; + unsigned int test_pattern; /* band_filter = COM8[5] ? 256 - BDBASE : 0 */ struct v4l2_ctrl *band_filter_ctrl; unsigned int fps; @@ -540,6 +541,11 @@ static const struct ov772x_win_size ov772x_win_sizes[] = { }, }; +static const char * const ov772x_test_pattern_menu[] = { + "Disabled", + "Vertical Color Bar Type 1", +}; + /* * frame rate settings lists */ @@ -754,6 +760,13 @@ static int ov772x_s_frame_interval(struct v4l2_subdev *sd, return ret; } +static int ov772x_enable_test_pattern(struct ov772x_priv *priv, u32 pattern) +{ + priv->test_pattern = pattern; + return regmap_update_bits(priv->regmap, COM3, SCOLOR_TEST, + pattern ? SCOLOR_TEST : 0x00); +} + static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl) { struct ov772x_priv *priv = container_of(ctrl->handler, @@ -801,6 +814,8 @@ static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl) } return ret; + case V4L2_CID_TEST_PATTERN: + return ov772x_enable_test_pattern(priv, ctrl->val); } return -EINVAL; @@ -1095,10 +1110,14 @@ static int ov772x_set_params(struct ov772x_priv *priv, val |= VFLIP_IMG; if (priv->info && (priv->info->flags & OV772X_FLAG_HFLIP)) val |= HFLIP_IMG; + if (priv->info && (priv->info->flags & OV772X_FLAG_TEST_PATTERN)) + val |= SCOLOR_TEST; if (priv->vflip_ctrl->val) val ^= VFLIP_IMG; if (priv->hflip_ctrl->val) val ^= HFLIP_IMG; + if (priv->test_pattern) + val ^= SCOLOR_TEST; ret = regmap_update_bits(priv->regmap, COM3, SWAP_MASK | IMG_MASK, val); if (ret < 0) @@ -1399,6 +1418,10 @@ static int ov772x_probe(struct i2c_client *client) priv->band_filter_ctrl = v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops, V4L2_CID_BAND_STOP_FILTER, 0, 256, 1, 0); + v4l2_ctrl_new_std_menu_items(&priv->hdl, &ov772x_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov772x_test_pattern_menu) - 1, + 0, 0, ov772x_test_pattern_menu); priv->subdev.ctrl_handler = &priv->hdl; if (priv->hdl.error) { ret = priv->hdl.error; diff --git a/include/media/i2c/ov772x.h b/include/media/i2c/ov772x.h index a1702d4..65e6f8d 100644 --- a/include/media/i2c/ov772x.h +++ b/include/media/i2c/ov772x.h @@ -12,6 +12,7 @@ /* for flags */ #define OV772X_FLAG_VFLIP (1 << 0) /* Vertical flip image */ #define OV772X_FLAG_HFLIP (1 << 1) /* Horizontal flip image */ +#define OV772X_FLAG_TEST_PATTERN (1 << 2) /* Test pattern */ /* * for Edge ctrl