From patchwork Fri Oct 2 22:23:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 11814679 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 49990618 for ; Fri, 2 Oct 2020 22:23:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A9C420754 for ; Fri, 2 Oct 2020 22:23:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725788AbgJBWXi (ORCPT ); Fri, 2 Oct 2020 18:23:38 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:27896 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725283AbgJBWXh (ORCPT ); Fri, 2 Oct 2020 18:23:37 -0400 X-IronPort-AV: E=Sophos;i="5.77,329,1596466800"; d="scan'208";a="58574391" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 03 Oct 2020 07:23:35 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 49E2140062C6; Sat, 3 Oct 2020 07:23:33 +0900 (JST) From: Lad Prabhakar To: Jacopo Mondi , Sakari Ailus , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Lad Prabhakar Subject: [PATCH v8 1/3] media: i2c: ov772x: Parse endpoint properties Date: Fri, 2 Oct 2020 23:23:21 +0100 Message-Id: <20201002222323.21736-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201002222323.21736-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20201002222323.21736-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Parse endpoint properties using v4l2_fwnode_endpoint_alloc_parse() to determine the bus type and store it in the driver structure. Set bus_type to V4L2_MBUS_PARALLEL as it's the only supported one Signed-off-by: Lad Prabhakar Reviewed-by: Jacopo Mondi --- drivers/media/i2c/ov772x.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index 2cc6a678069a..afe2446dfb68 100644 --- a/drivers/media/i2c/ov772x.c +++ b/drivers/media/i2c/ov772x.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -434,6 +435,7 @@ struct ov772x_priv { #ifdef CONFIG_MEDIA_CONTROLLER struct media_pad pad; #endif + enum v4l2_mbus_type bus_type; }; /* @@ -1348,6 +1350,34 @@ static const struct v4l2_subdev_ops ov772x_subdev_ops = { .pad = &ov772x_subdev_pad_ops, }; +static int ov772x_parse_dt(struct i2c_client *client, + struct ov772x_priv *priv) +{ + struct v4l2_fwnode_endpoint bus_cfg = { + .bus_type = V4L2_MBUS_PARALLEL + }; + struct fwnode_handle *ep; + int ret; + + ep = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); + if (!ep) { + dev_err(&client->dev, "Endpoint node not found\n"); + return -EINVAL; + } + + ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); + if (ret) + goto error_fwnode_put; + + priv->bus_type = bus_cfg.bus_type; + v4l2_fwnode_endpoint_free(&bus_cfg); + +error_fwnode_put: + fwnode_handle_put(ep); + + return ret; +} + /* * i2c_driver function */ @@ -1415,6 +1445,10 @@ static int ov772x_probe(struct i2c_client *client) goto error_clk_put; } + ret = ov772x_parse_dt(client, priv); + if (ret) + goto error_clk_put; + ret = ov772x_video_probe(priv); if (ret < 0) goto error_gpio_put; From patchwork Fri Oct 2 22:23:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 11814671 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AA375112E for ; Fri, 2 Oct 2020 22:23:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A09620754 for ; Fri, 2 Oct 2020 22:23:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725794AbgJBWXj (ORCPT ); Fri, 2 Oct 2020 18:23:39 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:56531 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725782AbgJBWXi (ORCPT ); Fri, 2 Oct 2020 18:23:38 -0400 X-IronPort-AV: E=Sophos;i="5.77,329,1596466800"; d="scan'208";a="58790188" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 03 Oct 2020 07:23:37 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 8185A4007F4B; Sat, 3 Oct 2020 07:23:35 +0900 (JST) From: Lad Prabhakar To: Jacopo Mondi , Sakari Ailus , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Lad Prabhakar Subject: [PATCH v8 2/3] media: i2c: ov772x: Add support for BT.656 mode Date: Fri, 2 Oct 2020 23:23:22 +0100 Message-Id: <20201002222323.21736-3-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201002222323.21736-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20201002222323.21736-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support to read the bus-type for V4L2_MBUS_BT656 and enable BT.656 mode in the sensor if needed. For backward compatibility with older DTS where the bus-type property was not mandatory, assume V4L2_MBUS_PARALLEL as it was the only supported bus at the time. v4l2_fwnode_endpoint_alloc_parse() will not fail if 'bus-type' is not specified. Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das Reviewed-by: Jacopo Mondi --- drivers/media/i2c/ov772x.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index afe2446dfb68..86e542b77ee5 100644 --- a/drivers/media/i2c/ov772x.c +++ b/drivers/media/i2c/ov772x.c @@ -583,6 +583,14 @@ static int ov772x_s_stream(struct v4l2_subdev *sd, int enable) if (priv->streaming == enable) goto done; + if (priv->bus_type == V4L2_MBUS_BT656) { + ret = regmap_update_bits(priv->regmap, COM7, ITU656_ON_OFF, + enable ? + ITU656_ON_OFF : ~ITU656_ON_OFF); + if (ret) + goto done; + } + ret = regmap_update_bits(priv->regmap, COM2, SOFT_SLEEP_MODE, enable ? 0 : SOFT_SLEEP_MODE); if (ret) @@ -1365,9 +1373,21 @@ static int ov772x_parse_dt(struct i2c_client *client, return -EINVAL; } + /* + * For backward compatibility with older DTS where the + * bus-type property was not mandatory, assume + * V4L2_MBUS_PARALLEL as it was the only supported bus at the + * time. v4l2_fwnode_endpoint_alloc_parse() will not fail if + * 'bus-type' is not specified. + */ ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); - if (ret) - goto error_fwnode_put; + if (ret) { + bus_cfg = (struct v4l2_fwnode_endpoint) + { .bus_type = V4L2_MBUS_BT656 }; + ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); + if (ret) + goto error_fwnode_put; + } priv->bus_type = bus_cfg.bus_type; v4l2_fwnode_endpoint_free(&bus_cfg); From patchwork Fri Oct 2 22:23:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 11814675 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2836D618 for ; Fri, 2 Oct 2020 22:23:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17B6620796 for ; Fri, 2 Oct 2020 22:23:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725811AbgJBWXo (ORCPT ); Fri, 2 Oct 2020 18:23:44 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:56531 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725797AbgJBWXk (ORCPT ); Fri, 2 Oct 2020 18:23:40 -0400 X-IronPort-AV: E=Sophos;i="5.77,329,1596466800"; d="scan'208";a="58790192" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 03 Oct 2020 07:23:39 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id B9E6540062C6; Sat, 3 Oct 2020 07:23:37 +0900 (JST) From: Lad Prabhakar To: Jacopo Mondi , Sakari Ailus , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Lad Prabhakar Subject: [PATCH v8 3/3] media: i2c: ov772x: Add test pattern control Date: Fri, 2 Oct 2020 23:23:23 +0100 Message-Id: <20201002222323.21736-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201002222323.21736-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20201002222323.21736-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support for test pattern control supported by the sensor. Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das Reviewed-by: Jacopo Mondi --- drivers/media/i2c/ov772x.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index 86e542b77ee5..d94cf2d39c2a 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 */ @@ -810,6 +816,9 @@ static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl) } return ret; + case V4L2_CID_TEST_PATTERN: + priv->test_pattern = ctrl->val; + return 0; } return -EINVAL; @@ -1108,6 +1117,8 @@ static int ov772x_set_params(struct ov772x_priv *priv, 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) @@ -1444,6 +1455,10 @@ 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;