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Wed, 04 Sep 2024 14:07:43 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:42 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 01/12] media: i2c: ov5645: Add V4L2_SUBDEV_FL_HAS_EVENTS and subscribe hooks Date: Wed, 4 Sep 2024 22:07:08 +0100 Message-Id: <20240904210719.52466-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -7.6 (-------) X-LSpam-Report: No, score=-7.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no From: Lad Prabhakar The OV5645 sensor exposes controls, so the V4L2_SUBDEV_FL_HAS_EVENTS flag should be set and implement subscribe_event and unsubscribe_event hooks. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 019979f553b1..6eedd0310b02 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -1042,7 +1043,13 @@ static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { .get_selection = ov5645_get_selection, }; +static const struct v4l2_subdev_core_ops ov5645_core_ops = { + .subscribe_event = v4l2_ctrl_subdev_subscribe_event, + .unsubscribe_event = v4l2_event_subdev_unsubscribe, +}; + static const struct v4l2_subdev_ops ov5645_subdev_ops = { + .core = &ov5645_core_ops, .video = &ov5645_video_ops, .pad = &ov5645_subdev_pad_ops, }; @@ -1178,7 +1185,7 @@ static int ov5645_probe(struct i2c_client *client) v4l2_i2c_subdev_init(&ov5645->sd, client, &ov5645_subdev_ops); ov5645->sd.internal_ops = &ov5645_internal_ops; - ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; ov5645->pad.flags = MEDIA_PAD_FL_SOURCE; ov5645->sd.dev = &client->dev; ov5645->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; From patchwork Wed Sep 4 21:07:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103988 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxEa-0003BV-1e for patchwork@linuxtv.org; Wed, 04 Sep 2024 21:08:13 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id D9F09287FE8 for ; Wed, 4 Sep 2024 21:08:11 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E33FC156C63; 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Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 6eedd0310b02..ab3a419df2df 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -1187,7 +1187,7 @@ static int ov5645_probe(struct i2c_client *client) ov5645->sd.internal_ops = &ov5645_internal_ops; ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; ov5645->pad.flags = MEDIA_PAD_FL_SOURCE; - ov5645->sd.dev = &client->dev; + ov5645->sd.dev = dev; ov5645->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; ret = media_entity_pads_init(&ov5645->sd.entity, 1, &ov5645->pad); From patchwork Wed Sep 4 21:07:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103989 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from ny.mirrors.kernel.org ([147.75.199.223]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxEv-0003CS-0Y for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:46 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:45 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 03/12] media: i2c: ov5645: Enable runtime PM after v4l2_async_register_subdev() Date: Wed, 4 Sep 2024 22:07:10 +0100 Message-Id: <20240904210719.52466-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no From: Lad Prabhakar To simplify the probe error path, enable runtime PM after the v4l2_async_register_subdev() call. This change ensures that runtime PM is only enabled once the subdevice registration is successful, avoiding unnecessary cleanup in the error path. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index ab3a419df2df..78b86438c798 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -1239,18 +1239,17 @@ static int ov5645_probe(struct i2c_client *client) goto power_down; } - pm_runtime_set_active(dev); - pm_runtime_get_noresume(dev); - pm_runtime_enable(dev); - ov5645_init_state(&ov5645->sd, NULL); ret = v4l2_async_register_subdev(&ov5645->sd); if (ret < 0) { dev_err(dev, "could not register v4l2 device\n"); - goto err_pm_runtime; + goto power_down; } + pm_runtime_set_active(dev); + pm_runtime_get_noresume(dev); + pm_runtime_enable(dev); pm_runtime_set_autosuspend_delay(dev, 1000); pm_runtime_use_autosuspend(dev); pm_runtime_mark_last_busy(dev); @@ -1258,9 +1257,6 @@ static int ov5645_probe(struct i2c_client *client) return 0; -err_pm_runtime: - pm_runtime_disable(dev); - pm_runtime_put_noidle(dev); power_down: ov5645_set_power_off(dev); free_entity: From patchwork Wed Sep 4 21:07:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103990 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sy.mirrors.kernel.org ([147.75.48.161]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxFJ-0003DM-0m for patchwork@linuxtv.org; Wed, 04 Sep 2024 21:08:57 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id C4D2DB24913 for ; Wed, 4 Sep 2024 21:08:54 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B359D183CD6; Wed, 4 Sep 2024 21:07:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 74 +++++++++++++++----------------------- 1 file changed, 28 insertions(+), 46 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 78b86438c798..9e6ff1f1b9ac 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -1076,51 +1076,37 @@ static int ov5645_probe(struct i2c_client *client) ov5645->dev = dev; endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1); - if (!endpoint) { - dev_err(dev, "endpoint node not found\n"); - return -EINVAL; - } + if (!endpoint) + return dev_err_probe(dev, -EINVAL, "endpoint node not found\n"); ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &ov5645->ep); of_node_put(endpoint); - if (ret < 0) { - dev_err(dev, "parsing endpoint node failed\n"); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "parsing endpoint node failed\n"); - if (ov5645->ep.bus_type != V4L2_MBUS_CSI2_DPHY) { - dev_err(dev, "invalid bus type, must be CSI2\n"); - return -EINVAL; - } + if (ov5645->ep.bus_type != V4L2_MBUS_CSI2_DPHY) + return dev_err_probe(dev, -EINVAL, "invalid bus type, must be CSI2\n"); /* get system clock (xclk) */ ov5645->xclk = devm_clk_get(dev, NULL); - if (IS_ERR(ov5645->xclk)) { - dev_err(dev, "could not get xclk"); - return PTR_ERR(ov5645->xclk); - } + if (IS_ERR(ov5645->xclk)) + return dev_err_probe(dev, PTR_ERR(ov5645->xclk), "could not get xclk"); ret = of_property_read_u32(dev->of_node, "clock-frequency", &xclk_freq); - if (ret) { - dev_err(dev, "could not get xclk frequency\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "could not get xclk frequency\n"); /* external clock must be 24MHz, allow 1% tolerance */ - if (xclk_freq < 23760000 || xclk_freq > 24240000) { - dev_err(dev, "external clock frequency %u is not supported\n", - xclk_freq); - return -EINVAL; - } + if (xclk_freq < 23760000 || xclk_freq > 24240000) + return dev_err_probe(dev, -EINVAL, "external clock frequency %u is not supported\n", + xclk_freq); ret = clk_set_rate(ov5645->xclk, xclk_freq); - if (ret) { - dev_err(dev, "could not set xclk frequency\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "could not set xclk frequency\n"); for (i = 0; i < OV5645_NUM_SUPPLIES; i++) ov5645->supplies[i].supply = ov5645_supply_name[i]; @@ -1131,16 +1117,12 @@ static int ov5645_probe(struct i2c_client *client) return ret; ov5645->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); - if (IS_ERR(ov5645->enable_gpio)) { - dev_err(dev, "cannot get enable gpio\n"); - return PTR_ERR(ov5645->enable_gpio); - } + if (IS_ERR(ov5645->enable_gpio)) + return dev_err_probe(dev, PTR_ERR(ov5645->enable_gpio), "cannot get enable gpio\n"); ov5645->rst_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(ov5645->rst_gpio)) { - dev_err(dev, "cannot get reset gpio\n"); - return PTR_ERR(ov5645->rst_gpio); - } + if (IS_ERR(ov5645->rst_gpio)) + return dev_err_probe(dev, PTR_ERR(ov5645->rst_gpio), "cannot get reset gpio\n"); mutex_init(&ov5645->power_lock); @@ -1177,9 +1159,9 @@ static int ov5645_probe(struct i2c_client *client) ov5645->sd.ctrl_handler = &ov5645->ctrls; if (ov5645->ctrls.error) { - dev_err(dev, "%s: control initialization error %d\n", - __func__, ov5645->ctrls.error); ret = ov5645->ctrls.error; + dev_err_probe(dev, ret, "%s: control initialization error %d\n", + __func__, ov5645->ctrls.error); goto free_ctrl; } @@ -1192,7 +1174,7 @@ static int ov5645_probe(struct i2c_client *client) ret = media_entity_pads_init(&ov5645->sd.entity, 1, &ov5645->pad); if (ret < 0) { - dev_err(dev, "could not register media entity\n"); + dev_err_probe(dev, ret, "could not register media entity\n"); goto free_ctrl; } @@ -1202,14 +1184,14 @@ static int ov5645_probe(struct i2c_client *client) ret = ov5645_read_reg(ov5645, OV5645_CHIP_ID_HIGH, &chip_id_high); if (ret < 0 || chip_id_high != OV5645_CHIP_ID_HIGH_BYTE) { - dev_err(dev, "could not read ID high\n"); ret = -ENODEV; + dev_err_probe(dev, ret, "could not read ID high\n"); goto power_down; } ret = ov5645_read_reg(ov5645, OV5645_CHIP_ID_LOW, &chip_id_low); if (ret < 0 || chip_id_low != OV5645_CHIP_ID_LOW_BYTE) { - dev_err(dev, "could not read ID low\n"); ret = -ENODEV; + dev_err_probe(dev, ret, "could not read ID low\n"); goto power_down; } @@ -1218,24 +1200,24 @@ static int ov5645_probe(struct i2c_client *client) ret = ov5645_read_reg(ov5645, OV5645_AEC_PK_MANUAL, &ov5645->aec_pk_manual); if (ret < 0) { - dev_err(dev, "could not read AEC/AGC mode\n"); ret = -ENODEV; + dev_err_probe(dev, ret, "could not read AEC/AGC mode\n"); goto power_down; } ret = ov5645_read_reg(ov5645, OV5645_TIMING_TC_REG20, &ov5645->timing_tc_reg20); if (ret < 0) { - dev_err(dev, "could not read vflip value\n"); ret = -ENODEV; + dev_err_probe(dev, ret, "could not read vflip value\n"); goto power_down; } ret = ov5645_read_reg(ov5645, OV5645_TIMING_TC_REG21, &ov5645->timing_tc_reg21); if (ret < 0) { - dev_err(dev, "could not read hflip value\n"); ret = -ENODEV; + dev_err_probe(dev, ret, "could not read hflip value\n"); goto power_down; } @@ -1243,7 +1225,7 @@ static int ov5645_probe(struct i2c_client *client) ret = v4l2_async_register_subdev(&ov5645->sd); if (ret < 0) { - dev_err(dev, "could not register v4l2 device\n"); + dev_err_probe(dev, ret, "could not register v4l2 device\n"); goto power_down; } From patchwork Wed Sep 4 21:07:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103991 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxFT-0003Fo-0J for patchwork@linuxtv.org; Wed, 04 Sep 2024 21:09:08 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id E6F9B288F0C for ; 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Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 9e6ff1f1b9ac..45687d004004 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -1223,7 +1223,7 @@ static int ov5645_probe(struct i2c_client *client) ov5645_init_state(&ov5645->sd, NULL); - ret = v4l2_async_register_subdev(&ov5645->sd); + ret = v4l2_async_register_subdev_sensor(&ov5645->sd); if (ret < 0) { dev_err_probe(dev, ret, "could not register v4l2 device\n"); goto power_down; From patchwork Wed Sep 4 21:07:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103992 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from am.mirrors.kernel.org ([147.75.80.249]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxFl-0003Gr-2i for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:49 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:49 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 06/12] media: i2c: ov5645: Drop `power_lock` mutex Date: Wed, 4 Sep 2024 22:07:13 +0100 Message-Id: <20240904210719.52466-7-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no From: Lad Prabhakar Drop mutex while applying controls and just rely on pm_runtime_get_if_in_use() call. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 45687d004004..25c60afcc0ec 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -106,8 +106,6 @@ struct ov5645 { u8 timing_tc_reg20; u8 timing_tc_reg21; - struct mutex power_lock; /* lock to protect power state */ - struct gpio_desc *enable_gpio; struct gpio_desc *rst_gpio; }; @@ -782,11 +780,8 @@ static int ov5645_s_ctrl(struct v4l2_ctrl *ctrl) struct ov5645, ctrls); int ret; - mutex_lock(&ov5645->power_lock); - if (!pm_runtime_get_if_in_use(ov5645->dev)) { - mutex_unlock(&ov5645->power_lock); + if (!pm_runtime_get_if_in_use(ov5645->dev)) return 0; - } switch (ctrl->id) { case V4L2_CID_SATURATION: @@ -817,7 +812,6 @@ static int ov5645_s_ctrl(struct v4l2_ctrl *ctrl) pm_runtime_mark_last_busy(ov5645->dev); pm_runtime_put_autosuspend(ov5645->dev); - mutex_unlock(&ov5645->power_lock); return ret; } @@ -1124,8 +1118,6 @@ static int ov5645_probe(struct i2c_client *client) if (IS_ERR(ov5645->rst_gpio)) return dev_err_probe(dev, PTR_ERR(ov5645->rst_gpio), "cannot get reset gpio\n"); - mutex_init(&ov5645->power_lock); - v4l2_ctrl_handler_init(&ov5645->ctrls, 9); v4l2_ctrl_new_std(&ov5645->ctrls, &ov5645_ctrl_ops, V4L2_CID_SATURATION, -4, 4, 1, 0); @@ -1245,7 +1237,6 @@ static int ov5645_probe(struct i2c_client *client) media_entity_cleanup(&ov5645->sd.entity); free_ctrl: v4l2_ctrl_handler_free(&ov5645->ctrls); - mutex_destroy(&ov5645->power_lock); return ret; } @@ -1262,7 +1253,6 @@ static void ov5645_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(ov5645->dev)) ov5645_set_power_off(ov5645->dev); pm_runtime_set_suspended(ov5645->dev); - mutex_destroy(&ov5645->power_lock); } static const struct i2c_device_id ov5645_id[] = { From patchwork Wed Sep 4 21:07:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103993 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sy.mirrors.kernel.org ([147.75.48.161]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxG4-0003HX-0S for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:51 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:50 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 07/12] media: i2c: ov5645: Use subdev active state Date: Wed, 4 Sep 2024 22:07:14 +0100 Message-Id: <20240904210719.52466-8-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no From: Lad Prabhakar Port the ov5645 sensor driver to use the subdev active state. Move all the format configuration to the subdevice state and simplify the format handling, locking and initialization. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 109 +++++++++++++------------------------ 1 file changed, 39 insertions(+), 70 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 25c60afcc0ec..9497ec737cb7 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -89,7 +89,6 @@ struct ov5645 { struct v4l2_subdev sd; struct media_pad pad; struct v4l2_fwnode_endpoint ep; - struct v4l2_mbus_framefmt fmt; struct v4l2_rect crop; struct clk *xclk; @@ -850,49 +849,6 @@ static int ov5645_enum_frame_size(struct v4l2_subdev *subdev, return 0; } -static struct v4l2_mbus_framefmt * -__ov5645_get_pad_format(struct ov5645 *ov5645, - struct v4l2_subdev_state *sd_state, - unsigned int pad, - enum v4l2_subdev_format_whence which) -{ - switch (which) { - case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_state_get_format(sd_state, pad); - case V4L2_SUBDEV_FORMAT_ACTIVE: - return &ov5645->fmt; - default: - return NULL; - } -} - -static int ov5645_get_format(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *format) -{ - struct ov5645 *ov5645 = to_ov5645(sd); - - format->format = *__ov5645_get_pad_format(ov5645, sd_state, - format->pad, - format->which); - return 0; -} - -static struct v4l2_rect * -__ov5645_get_pad_crop(struct ov5645 *ov5645, - struct v4l2_subdev_state *sd_state, - unsigned int pad, enum v4l2_subdev_format_whence which) -{ - switch (which) { - case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_state_get_crop(sd_state, pad); - case V4L2_SUBDEV_FORMAT_ACTIVE: - return &ov5645->crop; - default: - return NULL; - } -} - static int ov5645_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) @@ -903,33 +859,30 @@ static int ov5645_set_format(struct v4l2_subdev *sd, const struct ov5645_mode_info *new_mode; int ret; - __crop = __ov5645_get_pad_crop(ov5645, sd_state, format->pad, - format->which); - + __crop = v4l2_subdev_state_get_crop(sd_state, 0); new_mode = v4l2_find_nearest_size(ov5645_mode_info_data, - ARRAY_SIZE(ov5645_mode_info_data), - width, height, - format->format.width, format->format.height); + ARRAY_SIZE(ov5645_mode_info_data), + width, height, format->format.width, + format->format.height); __crop->width = new_mode->width; __crop->height = new_mode->height; if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { - ret = v4l2_ctrl_s_ctrl_int64(ov5645->pixel_clock, - new_mode->pixel_clock); + ret = __v4l2_ctrl_s_ctrl_int64(ov5645->pixel_clock, + new_mode->pixel_clock); if (ret < 0) return ret; - ret = v4l2_ctrl_s_ctrl(ov5645->link_freq, - new_mode->link_freq); + ret = __v4l2_ctrl_s_ctrl(ov5645->link_freq, + new_mode->link_freq); if (ret < 0) return ret; ov5645->current_mode = new_mode; } - __format = __ov5645_get_pad_format(ov5645, sd_state, format->pad, - format->which); + __format = v4l2_subdev_state_get_format(sd_state, 0); __format->width = __crop->width; __format->height = __crop->height; __format->code = MEDIA_BUS_FMT_UYVY8_1X16; @@ -944,11 +897,15 @@ static int ov5645_set_format(struct v4l2_subdev *sd, static int ov5645_init_state(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state) { - struct v4l2_subdev_format fmt = { 0 }; - - fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - fmt.format.width = 1920; - fmt.format.height = 1080; + struct v4l2_subdev_format fmt = { + .which = V4L2_SUBDEV_FORMAT_TRY, + .pad = 0, + .format = { + .code = MEDIA_BUS_FMT_UYVY8_1X16, + .width = ov5645_mode_info_data[1].width, + .height = ov5645_mode_info_data[1].height, + }, + }; ov5645_set_format(subdev, sd_state, &fmt); @@ -959,25 +916,27 @@ static int ov5645_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { - struct ov5645 *ov5645 = to_ov5645(sd); - if (sel->target != V4L2_SEL_TGT_CROP) return -EINVAL; - sel->r = *__ov5645_get_pad_crop(ov5645, sd_state, sel->pad, - sel->which); + sel->r = *v4l2_subdev_state_get_crop(sd_state, 0); return 0; } static int ov5645_s_stream(struct v4l2_subdev *subdev, int enable) { struct ov5645 *ov5645 = to_ov5645(subdev); + struct v4l2_subdev_state *state; int ret; + state = v4l2_subdev_lock_and_get_active_state(&ov5645->sd); + if (enable) { ret = pm_runtime_resume_and_get(ov5645->dev); - if (ret < 0) + if (ret < 0) { + v4l2_subdev_unlock_state(state); return ret; + } ret = ov5645_set_register_array(ov5645, ov5645->current_mode->data, @@ -988,7 +947,7 @@ static int ov5645_s_stream(struct v4l2_subdev *subdev, int enable) ov5645->current_mode->height); goto err_rpm_put; } - ret = v4l2_ctrl_handler_setup(&ov5645->ctrls); + ret = __v4l2_ctrl_handler_setup(&ov5645->ctrls); if (ret < 0) { dev_err(ov5645->dev, "could not sync v4l2 controls\n"); goto err_rpm_put; @@ -1013,6 +972,7 @@ static int ov5645_s_stream(struct v4l2_subdev *subdev, int enable) goto stream_off_rpm_put; } + v4l2_subdev_unlock_state(state); return 0; err_rpm_put: @@ -1022,6 +982,7 @@ static int ov5645_s_stream(struct v4l2_subdev *subdev, int enable) stream_off_rpm_put: pm_runtime_mark_last_busy(ov5645->dev); pm_runtime_put_autosuspend(ov5645->dev); + v4l2_subdev_unlock_state(state); return ret; } @@ -1032,7 +993,7 @@ static const struct v4l2_subdev_video_ops ov5645_video_ops = { static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { .enum_mbus_code = ov5645_enum_mbus_code, .enum_frame_size = ov5645_enum_frame_size, - .get_fmt = ov5645_get_format, + .get_fmt = v4l2_subdev_get_fmt, .set_fmt = ov5645_set_format, .get_selection = ov5645_get_selection, }; @@ -1213,12 +1174,17 @@ static int ov5645_probe(struct i2c_client *client) goto power_down; } - ov5645_init_state(&ov5645->sd, NULL); + ov5645->sd.state_lock = ov5645->ctrls.lock; + ret = v4l2_subdev_init_finalize(&ov5645->sd); + if (ret < 0) { + dev_err_probe(dev, ret, "subdev init error\n"); + goto power_down; + } ret = v4l2_async_register_subdev_sensor(&ov5645->sd); if (ret < 0) { dev_err_probe(dev, ret, "could not register v4l2 device\n"); - goto power_down; + goto error_subdev_cleanup; } pm_runtime_set_active(dev); @@ -1231,6 +1197,8 @@ static int ov5645_probe(struct i2c_client *client) return 0; +error_subdev_cleanup: + v4l2_subdev_cleanup(&ov5645->sd); power_down: ov5645_set_power_off(dev); free_entity: @@ -1247,6 +1215,7 @@ static void ov5645_remove(struct i2c_client *client) struct ov5645 *ov5645 = to_ov5645(sd); v4l2_async_unregister_subdev(&ov5645->sd); + v4l2_subdev_cleanup(sd); media_entity_cleanup(&ov5645->sd.entity); v4l2_ctrl_handler_free(&ov5645->ctrls); pm_runtime_disable(ov5645->dev); 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Wed, 04 Sep 2024 14:07:52 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:51 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 08/12] media: i2c: ov5645: Switch to {enable,disable}_streams Date: Wed, 4 Sep 2024 22:07:15 +0100 Message-Id: <20240904210719.52466-9-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no From: Lad Prabhakar Switch from s_stream to enable_streams and disable_streams callbacks. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 90 +++++++++++++++++++------------------- 1 file changed, 46 insertions(+), 44 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 9497ec737cb7..dc93514608ee 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -923,71 +923,71 @@ static int ov5645_get_selection(struct v4l2_subdev *sd, return 0; } -static int ov5645_s_stream(struct v4l2_subdev *subdev, int enable) +static int ov5645_enable_streams(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, u32 pad, + u64 streams_mask) { - struct ov5645 *ov5645 = to_ov5645(subdev); - struct v4l2_subdev_state *state; + struct ov5645 *ov5645 = to_ov5645(sd); int ret; - state = v4l2_subdev_lock_and_get_active_state(&ov5645->sd); - - if (enable) { - ret = pm_runtime_resume_and_get(ov5645->dev); - if (ret < 0) { - v4l2_subdev_unlock_state(state); - return ret; - } + ret = pm_runtime_resume_and_get(ov5645->dev); + if (ret < 0) + return ret; - ret = ov5645_set_register_array(ov5645, + ret = ov5645_set_register_array(ov5645, ov5645->current_mode->data, ov5645->current_mode->data_size); - if (ret < 0) { - dev_err(ov5645->dev, "could not set mode %dx%d\n", - ov5645->current_mode->width, - ov5645->current_mode->height); - goto err_rpm_put; - } - ret = __v4l2_ctrl_handler_setup(&ov5645->ctrls); - if (ret < 0) { - dev_err(ov5645->dev, "could not sync v4l2 controls\n"); - goto err_rpm_put; - } - - ret = ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x45); - if (ret < 0) - goto err_rpm_put; - - ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0, - OV5645_SYSTEM_CTRL0_START); - if (ret < 0) - goto err_rpm_put; - } else { - ret = ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x40); - if (ret < 0) - goto stream_off_rpm_put; + if (ret < 0) { + dev_err(ov5645->dev, "could not set mode %dx%d\n", + ov5645->current_mode->width, + ov5645->current_mode->height); + goto err_rpm_put; + } + ret = __v4l2_ctrl_handler_setup(&ov5645->ctrls); + if (ret < 0) { + dev_err(ov5645->dev, "could not sync v4l2 controls\n"); + goto err_rpm_put; + } - ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0, - OV5645_SYSTEM_CTRL0_STOP); + ret = ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x45); + if (ret < 0) + goto err_rpm_put; - goto stream_off_rpm_put; - } + ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0, + OV5645_SYSTEM_CTRL0_START); + if (ret < 0) + goto err_rpm_put; - v4l2_subdev_unlock_state(state); return 0; err_rpm_put: pm_runtime_put_sync(ov5645->dev); return ret; +} + +static int ov5645_disable_streams(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, u32 pad, + u64 streams_mask) +{ + struct ov5645 *ov5645 = to_ov5645(sd); + int ret; + + ret = ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x40); + if (ret < 0) + goto rpm_put; + + ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0, + OV5645_SYSTEM_CTRL0_STOP); -stream_off_rpm_put: +rpm_put: pm_runtime_mark_last_busy(ov5645->dev); pm_runtime_put_autosuspend(ov5645->dev); - v4l2_subdev_unlock_state(state); + return ret; } static const struct v4l2_subdev_video_ops ov5645_video_ops = { - .s_stream = ov5645_s_stream, + .s_stream = v4l2_subdev_s_stream_helper, }; static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { @@ -996,6 +996,8 @@ static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { .get_fmt = v4l2_subdev_get_fmt, .set_fmt = ov5645_set_format, .get_selection = ov5645_get_selection, + .enable_streams = ov5645_enable_streams, + .disable_streams = ov5645_disable_streams, }; static const struct v4l2_subdev_core_ops ov5645_core_ops = { From patchwork Wed Sep 4 21:07:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103995 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxGS-0003Iv-1z for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:53 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:52 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 09/12] media: i2c: ov5645: Add internal image sink pad Date: Wed, 4 Sep 2024 22:07:16 +0100 Message-Id: <20240904210719.52466-10-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -7.6 (-------) X-LSpam-Report: No, score=-7.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no From: Lad Prabhakar Use the newly added internal pad API to expose the internal configuration of the sensor to userspace in a standard manner. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 100 +++++++++++++++++++++++++++---------- 1 file changed, 75 insertions(+), 25 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index dc93514608ee..e5ec09f44bec 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -60,6 +60,10 @@ #define OV5645_SDE_SAT_U 0x5583 #define OV5645_SDE_SAT_V 0x5584 +#define OV5645_NATIVE_FORMAT MEDIA_BUS_FMT_UYVY8_1X16 +#define OV5645_NATIVE_WIDTH 2592 +#define OV5645_NATIVE_HEIGHT 1944 + /* regulator supplies */ static const char * const ov5645_supply_name[] = { "vdddo", /* Digital I/O (1.8V) supply */ @@ -69,6 +73,12 @@ static const char * const ov5645_supply_name[] = { #define OV5645_NUM_SUPPLIES ARRAY_SIZE(ov5645_supply_name) +enum ov5645_pad_ids { + OV5645_PAD_SOURCE, + OV5645_PAD_IMAGE, + OV5645_NUM_PADS, +}; + struct reg_value { u16 reg; u8 val; @@ -87,7 +97,7 @@ struct ov5645 { struct i2c_client *i2c_client; struct device *dev; struct v4l2_subdev sd; - struct media_pad pad; + struct media_pad pads[OV5645_NUM_PADS]; struct v4l2_fwnode_endpoint ep; struct v4l2_rect crop; struct clk *xclk; @@ -838,13 +848,23 @@ static int ov5645_enum_frame_size(struct v4l2_subdev *subdev, if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16) return -EINVAL; - if (fse->index >= ARRAY_SIZE(ov5645_mode_info_data)) - return -EINVAL; - - fse->min_width = ov5645_mode_info_data[fse->index].width; - fse->max_width = ov5645_mode_info_data[fse->index].width; - fse->min_height = ov5645_mode_info_data[fse->index].height; - fse->max_height = ov5645_mode_info_data[fse->index].height; + if (fse->pad == OV5645_PAD_IMAGE) { + if (fse->index > 0) + return -EINVAL; + + fse->min_width = OV5645_NATIVE_WIDTH; + fse->max_width = OV5645_NATIVE_WIDTH; + fse->min_height = OV5645_NATIVE_HEIGHT; + fse->max_height = OV5645_NATIVE_HEIGHT; + } else { + if (fse->index >= ARRAY_SIZE(ov5645_mode_info_data)) + return -EINVAL; + + fse->min_width = ov5645_mode_info_data[fse->index].width; + fse->max_width = ov5645_mode_info_data[fse->index].width; + fse->min_height = ov5645_mode_info_data[fse->index].height; + fse->max_height = ov5645_mode_info_data[fse->index].height; + } return 0; } @@ -855,18 +875,55 @@ static int ov5645_set_format(struct v4l2_subdev *sd, { struct ov5645 *ov5645 = to_ov5645(sd); struct v4l2_mbus_framefmt *__format; + struct v4l2_rect *compose; struct v4l2_rect *__crop; const struct ov5645_mode_info *new_mode; int ret; - __crop = v4l2_subdev_state_get_crop(sd_state, 0); + if (format->pad != OV5645_PAD_SOURCE) + return v4l2_subdev_get_fmt(sd, sd_state, format); + new_mode = v4l2_find_nearest_size(ov5645_mode_info_data, ARRAY_SIZE(ov5645_mode_info_data), width, height, format->format.width, format->format.height); - - __crop->width = new_mode->width; - __crop->height = new_mode->height; + format->format.code = MEDIA_BUS_FMT_UYVY8_1X16; + format->format.width = new_mode->width; + format->format.height = new_mode->height; + format->format.field = V4L2_FIELD_NONE; + format->format.colorspace = V4L2_COLORSPACE_SRGB; + format->format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + format->format.quantization = V4L2_QUANTIZATION_DEFAULT; + format->format.xfer_func = V4L2_XFER_FUNC_DEFAULT; + + __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_IMAGE); + *__format = format->format; + __format->code = OV5645_NATIVE_FORMAT; + __format->width = OV5645_NATIVE_WIDTH; + __format->height = OV5645_NATIVE_HEIGHT; + + __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_IMAGE); + __crop->width = format->format.width; + __crop->height = format->format.height; + + /* + * The compose rectangle models binning, its size is the sensor output + * size. + */ + compose = v4l2_subdev_state_get_compose(sd_state, OV5645_PAD_IMAGE); + compose->left = 0; + compose->top = 0; + compose->width = format->format.width; + compose->height = format->format.height; + + __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_SOURCE); + __crop->left = 0; + __crop->top = 0; + __crop->width = format->format.width; + __crop->height = format->format.height; + + __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_SOURCE); + *__format = format->format; if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { ret = __v4l2_ctrl_s_ctrl_int64(ov5645->pixel_clock, @@ -882,14 +939,6 @@ static int ov5645_set_format(struct v4l2_subdev *sd, ov5645->current_mode = new_mode; } - __format = v4l2_subdev_state_get_format(sd_state, 0); - __format->width = __crop->width; - __format->height = __crop->height; - __format->code = MEDIA_BUS_FMT_UYVY8_1X16; - __format->field = V4L2_FIELD_NONE; - __format->colorspace = V4L2_COLORSPACE_SRGB; - - format->format = *__format; return 0; } @@ -899,9 +948,9 @@ static int ov5645_init_state(struct v4l2_subdev *subdev, { struct v4l2_subdev_format fmt = { .which = V4L2_SUBDEV_FORMAT_TRY, - .pad = 0, + .pad = OV5645_PAD_SOURCE, .format = { - .code = MEDIA_BUS_FMT_UYVY8_1X16, + .code = OV5645_NATIVE_FORMAT, .width = ov5645_mode_info_data[1].width, .height = ov5645_mode_info_data[1].height, }, @@ -919,7 +968,7 @@ static int ov5645_get_selection(struct v4l2_subdev *sd, if (sel->target != V4L2_SEL_TGT_CROP) return -EINVAL; - sel->r = *v4l2_subdev_state_get_crop(sd_state, 0); + sel->r = *v4l2_subdev_state_get_crop(sd_state, sel->pad); return 0; } @@ -1123,11 +1172,12 @@ static int ov5645_probe(struct i2c_client *client) v4l2_i2c_subdev_init(&ov5645->sd, client, &ov5645_subdev_ops); ov5645->sd.internal_ops = &ov5645_internal_ops; ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; - ov5645->pad.flags = MEDIA_PAD_FL_SOURCE; + ov5645->pads[OV5645_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; + ov5645->pads[OV5645_PAD_IMAGE].flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_INTERNAL; ov5645->sd.dev = dev; ov5645->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; - ret = media_entity_pads_init(&ov5645->sd.entity, 1, &ov5645->pad); + ret = media_entity_pads_init(&ov5645->sd.entity, ARRAY_SIZE(ov5645->pads), ov5645->pads); if (ret < 0) { dev_err_probe(dev, ret, "could not register media entity\n"); goto free_ctrl; From patchwork Wed Sep 4 21:07:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103996 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxGh-0003JS-1H for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:54 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:54 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 10/12] media: i2c: ov5645: Report internal routes to userspace Date: Wed, 4 Sep 2024 22:07:17 +0100 Message-Id: <20240904210719.52466-11-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -7.6 (-------) X-LSpam-Report: No, score=-7.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no From: Lad Prabhakar Usage of internal pads creates a route internal to the subdev, and the V4L2 camera sensor API requires such routes to be reported to userspace. Create the route in the .init_state() operation. Internal routing support requires stream support, so set the V4L2_SUBDEV_FL_HAS_STREAMS flag and switch formats and selection rectangles access from pads to streams. As the route is immutable, there's no need to implement the .set_routing() operation, and we can hardcode the sink and source stream IDs to 0. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index e5ec09f44bec..14010d328e79 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -946,15 +946,36 @@ static int ov5645_set_format(struct v4l2_subdev *sd, static int ov5645_init_state(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state) { + struct v4l2_subdev_route routes[1] = { + { + .sink_pad = OV5645_PAD_IMAGE, + .sink_stream = 0, + .source_pad = OV5645_PAD_SOURCE, + .source_stream = 0, + .flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE | + V4L2_SUBDEV_ROUTE_FL_IMMUTABLE, + }, + }; + struct v4l2_subdev_krouting routing = { + .len_routes = ARRAY_SIZE(routes), + .num_routes = ARRAY_SIZE(routes), + .routes = routes, + }; struct v4l2_subdev_format fmt = { .which = V4L2_SUBDEV_FORMAT_TRY, .pad = OV5645_PAD_SOURCE, + .stream = 0, .format = { .code = OV5645_NATIVE_FORMAT, .width = ov5645_mode_info_data[1].width, .height = ov5645_mode_info_data[1].height, }, }; + int ret; + + ret = v4l2_subdev_set_routing(subdev, sd_state, &routing); + if (ret) + return ret; ov5645_set_format(subdev, sd_state, &fmt); @@ -1171,7 +1192,8 @@ static int ov5645_probe(struct i2c_client *client) v4l2_i2c_subdev_init(&ov5645->sd, client, &ov5645_subdev_ops); ov5645->sd.internal_ops = &ov5645_internal_ops; - ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; + ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS | + V4L2_SUBDEV_FL_STREAMS; ov5645->pads[OV5645_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; ov5645->pads[OV5645_PAD_IMAGE].flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_INTERNAL; ov5645->sd.dev = dev; From patchwork Wed Sep 4 21:07:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103997 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxGu-0003Jy-0u for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:56 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:55 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 11/12] media: i2c: ov5645: Report streams using frame descriptors Date: Wed, 4 Sep 2024 22:07:18 +0100 Message-Id: <20240904210719.52466-12-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -7.6 (-------) X-LSpam-Report: No, score=-7.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no From: Lad Prabhakar Implement the .get_frame_desc() subdev operation to report information about streams to the connected CSI-2 receiver. This is required to let the CSI-2 receiver driver know about virtual channels and data types for each stream. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 14010d328e79..45762783a19f 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -829,6 +830,32 @@ static const struct v4l2_ctrl_ops ov5645_ctrl_ops = { .s_ctrl = ov5645_s_ctrl, }; +static int ov5645_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + const struct v4l2_mbus_framefmt *fmt; + struct v4l2_subdev_state *state; + + if (pad != OV5645_PAD_SOURCE) + return -EINVAL; + + state = v4l2_subdev_lock_and_get_active_state(sd); + fmt = v4l2_subdev_state_get_format(state, OV5645_PAD_SOURCE, 0); + v4l2_subdev_unlock_state(state); + + fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2; + fd->num_entries = 1; + + memset(fd->entry, 0, sizeof(fd->entry)); + + fd->entry[0].pixelcode = fmt->code; + fd->entry[0].stream = 0; + fd->entry[0].bus.csi2.vc = 0; + fd->entry[0].bus.csi2.dt = MIPI_CSI2_DT_YUV422_8B; + + return 0; +} + static int ov5645_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) @@ -1061,6 +1088,7 @@ static const struct v4l2_subdev_video_ops ov5645_video_ops = { }; static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { + .get_frame_desc = ov5645_get_frame_desc, .enum_mbus_code = ov5645_enum_mbus_code, .enum_frame_size = ov5645_enum_frame_size, .get_fmt = v4l2_subdev_get_fmt, From patchwork Wed Sep 4 21:07:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 103998 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from sv.mirrors.kernel.org ([139.178.88.99]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slxHF-0003LR-00 for patchwork@linuxtv.org; 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Wed, 04 Sep 2024 14:07:57 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:c57c:1e61:792:2ab1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42c7a41bdc8sm158821485e9.3.2024.09.04.14.07.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 14:07:56 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [RFC PATCH 12/12] media: i2c: ov5645: Add virtual channel support Date: Wed, 4 Sep 2024 22:07:19 +0100 Message-Id: <20240904210719.52466-13-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240904210719.52466-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -7.6 (-------) X-LSpam-Report: No, score=-7.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001,T_PDS_OTHER_BAD_TLD=0.01 autolearn=ham autolearn_force=no From: Lad Prabhakar Add routes to configure the virtual channels. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 153 ++++++++++++++++++++++++++++--------- 1 file changed, 116 insertions(+), 37 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 45762783a19f..cf4a6d8e83e0 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -54,6 +54,7 @@ #define OV5645_TIMING_TC_REG21 0x3821 #define OV5645_SENSOR_MIRROR BIT(1) #define OV5645_MIPI_CTRL00 0x4800 +#define OV5645_REG_DEBUG_MODE 0x4814 #define OV5645_PRE_ISP_TEST_SETTING_1 0x503d #define OV5645_TEST_PATTERN_MASK 0x3 #define OV5645_SET_TEST_PATTERN(x) ((x) & OV5645_TEST_PATTERN_MASK) @@ -65,6 +66,8 @@ #define OV5645_NATIVE_WIDTH 2592 #define OV5645_NATIVE_HEIGHT 1944 +#define OV5645_ROUTES_MAX 4 + /* regulator supplies */ static const char * const ov5645_supply_name[] = { "vdddo", /* Digital I/O (1.8V) supply */ @@ -833,25 +836,36 @@ static const struct v4l2_ctrl_ops ov5645_ctrl_ops = { static int ov5645_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, struct v4l2_mbus_frame_desc *fd) { - const struct v4l2_mbus_framefmt *fmt; struct v4l2_subdev_state *state; + struct v4l2_subdev_route *route; + unsigned int num_routes = 0; if (pad != OV5645_PAD_SOURCE) return -EINVAL; state = v4l2_subdev_lock_and_get_active_state(sd); - fmt = v4l2_subdev_state_get_format(state, OV5645_PAD_SOURCE, 0); - v4l2_subdev_unlock_state(state); - fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2; - fd->num_entries = 1; + for_each_active_route(&state->routing, route) { + struct v4l2_mbus_frame_desc_entry *entry; + const struct v4l2_mbus_framefmt *fmt; + + fmt = v4l2_subdev_state_get_format(state, route->source_pad, + route->source_stream); + + entry = &fd->entry[num_routes]; + entry->stream = num_routes; + entry->pixelcode = fmt->code; - memset(fd->entry, 0, sizeof(fd->entry)); + entry->bus.csi2.vc = route->source_stream; + entry->bus.csi2.dt = MIPI_CSI2_DT_YUV422_8B; - fd->entry[0].pixelcode = fmt->code; - fd->entry[0].stream = 0; - fd->entry[0].bus.csi2.vc = 0; - fd->entry[0].bus.csi2.dt = MIPI_CSI2_DT_YUV422_8B; + num_routes++; + } + + fd->num_entries = num_routes; + fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2; + + v4l2_subdev_unlock_state(state); return 0; } @@ -923,13 +937,13 @@ static int ov5645_set_format(struct v4l2_subdev *sd, format->format.quantization = V4L2_QUANTIZATION_DEFAULT; format->format.xfer_func = V4L2_XFER_FUNC_DEFAULT; - __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_IMAGE); + __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_IMAGE, 0); *__format = format->format; __format->code = OV5645_NATIVE_FORMAT; __format->width = OV5645_NATIVE_WIDTH; __format->height = OV5645_NATIVE_HEIGHT; - __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_IMAGE); + __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_IMAGE, 0); __crop->width = format->format.width; __crop->height = format->format.height; @@ -937,19 +951,19 @@ static int ov5645_set_format(struct v4l2_subdev *sd, * The compose rectangle models binning, its size is the sensor output * size. */ - compose = v4l2_subdev_state_get_compose(sd_state, OV5645_PAD_IMAGE); + compose = v4l2_subdev_state_get_compose(sd_state, OV5645_PAD_IMAGE, 0); compose->left = 0; compose->top = 0; compose->width = format->format.width; compose->height = format->format.height; - __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_SOURCE); + __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_SOURCE, format->stream); __crop->left = 0; __crop->top = 0; __crop->width = format->format.width; __crop->height = format->format.height; - __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_SOURCE); + __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_SOURCE, format->stream); *__format = format->format; if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { @@ -970,43 +984,80 @@ static int ov5645_set_format(struct v4l2_subdev *sd, return 0; } -static int ov5645_init_state(struct v4l2_subdev *subdev, - struct v4l2_subdev_state *sd_state) +static int ov5645_apply_routing(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_krouting *routing) { - struct v4l2_subdev_route routes[1] = { - { - .sink_pad = OV5645_PAD_IMAGE, - .sink_stream = 0, - .source_pad = OV5645_PAD_SOURCE, - .source_stream = 0, - .flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE | - V4L2_SUBDEV_ROUTE_FL_IMMUTABLE, - }, - }; - struct v4l2_subdev_krouting routing = { - .len_routes = ARRAY_SIZE(routes), - .num_routes = ARRAY_SIZE(routes), - .routes = routes, - }; struct v4l2_subdev_format fmt = { .which = V4L2_SUBDEV_FORMAT_TRY, .pad = OV5645_PAD_SOURCE, - .stream = 0, .format = { .code = OV5645_NATIVE_FORMAT, .width = ov5645_mode_info_data[1].width, .height = ov5645_mode_info_data[1].height, }, }; + struct v4l2_subdev_route *route; int ret; - ret = v4l2_subdev_set_routing(subdev, sd_state, &routing); + if (routing->num_routes > 1) + routing->num_routes = 1; + + route = &routing->routes[0]; + + if (route->sink_stream > 0 || route->source_stream > 3) + return -EINVAL; + + ret = v4l2_subdev_routing_validate(sd, routing, + V4L2_SUBDEV_ROUTING_ONLY_1_TO_1); if (ret) return ret; - ov5645_set_format(subdev, sd_state, &fmt); + ret = v4l2_subdev_set_routing(sd, state, routing); + if (ret) + return ret; - return 0; + fmt.stream = route->source_stream; + return ov5645_set_format(sd, state, &fmt); +} + +static int ov5645_init_state(struct v4l2_subdev *subdev, + struct v4l2_subdev_state *sd_state) +{ + struct v4l2_subdev_route routes[OV5645_ROUTES_MAX] = { + { + .sink_pad = OV5645_PAD_IMAGE, + .sink_stream = 0, + .source_pad = OV5645_PAD_SOURCE, + .source_stream = 0, + .flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE, + }, + { + .sink_pad = OV5645_PAD_IMAGE, + .sink_stream = 0, + .source_pad = OV5645_PAD_SOURCE, + .source_stream = 1, + }, + { + .sink_pad = OV5645_PAD_IMAGE, + .sink_stream = 0, + .source_pad = OV5645_PAD_SOURCE, + .source_stream = 2, + }, + { + .sink_pad = OV5645_PAD_IMAGE, + .sink_stream = 0, + .source_pad = OV5645_PAD_SOURCE, + .source_stream = 3, + }, + }; + struct v4l2_subdev_krouting routing = { + .len_routes = ARRAY_SIZE(routes), + .num_routes = ARRAY_SIZE(routes), + .routes = routes, + }; + + return ov5645_apply_routing(subdev, sd_state, &routing); } static int ov5645_get_selection(struct v4l2_subdev *sd, @@ -1016,14 +1067,29 @@ static int ov5645_get_selection(struct v4l2_subdev *sd, if (sel->target != V4L2_SEL_TGT_CROP) return -EINVAL; - sel->r = *v4l2_subdev_state_get_crop(sd_state, sel->pad); + sel->r = *v4l2_subdev_state_get_crop(sd_state, sel->pad, sel->stream); return 0; } +static int ov5645_set_virtual_channel(struct ov5645 *ov5645, u8 channel) +{ + int ret; + u8 val; + + ret = ov5645_read_reg(ov5645, OV5645_REG_DEBUG_MODE, &val); + if (ret) + return ret; + val &= ~(3 << 6); + val |= (channel << 6); + + return ov5645_write_reg(ov5645, OV5645_REG_DEBUG_MODE, val); +} + static int ov5645_enable_streams(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, u32 pad, u64 streams_mask) { + struct v4l2_subdev_route *route = &state->routing.routes[0]; struct ov5645 *ov5645 = to_ov5645(sd); int ret; @@ -1031,6 +1097,10 @@ static int ov5645_enable_streams(struct v4l2_subdev *sd, if (ret < 0) return ret; + ret = ov5645_set_virtual_channel(ov5645, route->source_stream); + if (ret) + goto err_rpm_put; + ret = ov5645_set_register_array(ov5645, ov5645->current_mode->data, ov5645->current_mode->data_size); @@ -1083,6 +1153,14 @@ static int ov5645_disable_streams(struct v4l2_subdev *sd, return ret; } +static int ov5645_set_routing(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + enum v4l2_subdev_format_whence which, + struct v4l2_subdev_krouting *routing) +{ + return ov5645_apply_routing(sd, state, routing); +} + static const struct v4l2_subdev_video_ops ov5645_video_ops = { .s_stream = v4l2_subdev_s_stream_helper, }; @@ -1096,6 +1174,7 @@ static const struct v4l2_subdev_pad_ops ov5645_subdev_pad_ops = { .get_selection = ov5645_get_selection, .enable_streams = ov5645_enable_streams, .disable_streams = ov5645_disable_streams, + .set_routing = ov5645_set_routing, }; static const struct v4l2_subdev_core_ops ov5645_core_ops = {