From patchwork Mon Jul 31 08:29:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jai Luthra X-Patchwork-Id: 93640 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qQOHz-007nmQ-3u; Mon, 31 Jul 2023 08:30:03 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231249AbjGaI37 (ORCPT + 1 other); Mon, 31 Jul 2023 04:29:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230142AbjGaI3x (ORCPT ); Mon, 31 Jul 2023 04:29:53 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6F19F3; Mon, 31 Jul 2023 01:29:52 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 36V8Th1c054928; Mon, 31 Jul 2023 03:29:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1690792183; bh=f11LvrUHHrhSxqoyWhzGOI4P5iMX9ShOjPmVP2XMkJg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=d+n44sdDHEbv3dhvHaw3F7UMfNo9TpOt7q4YJhr/5bsT8pAE1ugAcKCFQGAkcP9Mj KUr5sVzg/WwwuzNmAgOzPvTJSbv09kErbOiZVXPx2sCRb+tR3PgT1UvOJJuwtrlXnh D188rsYgk/0M4FhxV4MvDgGpzCrkG9MYALoV3lsg= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 36V8Th44087130 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 31 Jul 2023 03:29:43 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 31 Jul 2023 03:29:42 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 31 Jul 2023 03:29:42 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 36V8Tg2K041912; Mon, 31 Jul 2023 03:29:42 -0500 From: Jai Luthra To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sakari Ailus , Laurent Pinchart , Tomi Valkeinen CC: , , , , Mauro Carvalho Chehab , Maxime Ripard , , Benoit Parrot , Vaishnav Achath , Vignesh Raghavendra , , , Subject: [PATCH v8 07/16] media: cadence: csi2rx: Add get_fmt and set_fmt pad ops Date: Mon, 31 Jul 2023 13:59:25 +0530 Message-ID: <20230731-upstream_csi-v8-7-fb7d3661c2c9@ti.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230731-upstream_csi-v8-0-fb7d3661c2c9@ti.com> References: <20230731-upstream_csi-v8-0-fb7d3661c2c9@ti.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=5126; i=j-luthra@ti.com; h=from:subject:message-id; bh=Zg+yj72vrkFlduO50TkQvqyoIx4FRlQhTc0ybjxRTzc=; b=owEBbQKS/ZANAwAIAUPekfkkmnFFAcsmYgBkx2xp0qSs22B4I6NBza5yQFAQ+Wc/fVM658Mny tRO1h59kASJAjMEAAEIAB0WIQRN4NgY5dV16NRar8VD3pH5JJpxRQUCZMdsaQAKCRBD3pH5JJpx RZP+EADBMXQKMA8KV31PtDzH+q9reKoY/zYDOo59f8eqmBMVFJdOjN+/8uspCm0M1+7hE7r1QNd L75+/V+yDwAXPjrU5h01v9adfOLqGAm05xyziyxa/AolRlhyo3YSZiudc8yW6EQWqHHUXsCa0LN J/pHOQh3l95GVZQSNEjVL7ZeowL13OjVheQiJNmqc/RM9pgYJ8zN4FaoKeq4eSs6wsrMBFcbvvc g/ma4LxKwJL77U/px/ksvEIN8REE9zY76wSD8Xe0vzsKBHaS79pnkcd0l9eszOBTym9R12xqTqe wwIKnHKZb2MFQNrEzCm6kJoDmJqbz+ayM/XRxZSaocRsksOeyUJEF0/gD14ktaCWq9Fx2e206/Q w65s3rBib8RQGQzzyfjcyOGd+zgxepWb/ZJtyGPhuhkomN+WMGJmhU7c5eKlyI9bjZncfERnpc+ 1uAJBLUZ7TW3Pzrape+B0nKtQE1KcpzpZSJM5IQ1ZBT7vvQHe0VqBSY/ud4VWcbwZ0mAliUzSEk IfeBirZ5iuiJ5oMKymEZOSf56SYrSgRbFnlC+JsCxLkRDdM+zH1eZCN9ThC/kJlby8vsBYfgQQh pI1NXRkvk3h3M5+7g2lOfjUwle190J+ub/IStmJTtxhFoVg/t0WUbnMtcssBHbZzSrk1+Fm6lZD ql7qNSmtlZGKbyQ== X-Developer-Key: i=j-luthra@ti.com; a=openpgp; fpr=4DE0D818E5D575E8D45AAFC543DE91F9249A7145 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIMWL_WL_HIGH=0.001,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_NONE=-0.0001 autolearn=ham autolearn_force=no From: Pratyush Yadav The format is needed to calculate the link speed for the external DPHY configuration. It is not right to query the format from the source subdev. Add get_fmt and set_fmt pad operations so that the format can be configured and correct bpp be selected. Initialize and use the v4l2 subdev active state to keep track of the active formats. Also propagate the new format from the sink pad to all the source pads. Signed-off-by: Pratyush Yadav Co-authored-by: Jai Luthra Signed-off-by: Jai Luthra --- v7->v8: - Use active subdev state to use v4l2_subdev_get_fmt - Propagate formats from sink to source pads - Drop Laurent's R-by because of the above changes drivers/media/platform/cadence/cdns-csi2rx.c | 107 ++++++++++++++++++++++++++- 1 file changed, 106 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c index 83d1fadd592b..4f9654366485 100644 --- a/drivers/media/platform/cadence/cdns-csi2rx.c +++ b/drivers/media/platform/cadence/cdns-csi2rx.c @@ -61,6 +61,11 @@ enum csi2rx_pads { CSI2RX_PAD_MAX, }; +struct csi2rx_fmt { + u32 code; + u8 bpp; +}; + struct csi2rx_priv { struct device *dev; unsigned int count; @@ -95,6 +100,36 @@ struct csi2rx_priv { int source_pad; }; +static const struct csi2rx_fmt formats[] = { + { + .code = MEDIA_BUS_FMT_YUYV8_1X16, + .bpp = 16, + }, + { + .code = MEDIA_BUS_FMT_UYVY8_1X16, + .bpp = 16, + }, + { + .code = MEDIA_BUS_FMT_YVYU8_1X16, + .bpp = 16, + }, + { + .code = MEDIA_BUS_FMT_VYUY8_1X16, + .bpp = 16, + }, +}; + +static const struct csi2rx_fmt *csi2rx_get_fmt_by_code(u32 code) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].code == code) + return &formats[i]; + + return NULL; +} + static inline struct csi2rx_priv *v4l2_subdev_to_csi2rx(struct v4l2_subdev *subdev) { @@ -303,12 +338,75 @@ static int csi2rx_s_stream(struct v4l2_subdev *subdev, int enable) return ret; } +static int csi2rx_set_fmt(struct v4l2_subdev *subdev, + struct v4l2_subdev_state *state, + struct v4l2_subdev_format *format) +{ + struct v4l2_mbus_framefmt *fmt; + unsigned int i; + + /* No transcoding, source and sink formats must match. */ + if (format->pad != CSI2RX_PAD_SINK) + return v4l2_subdev_get_fmt(subdev, state, format); + + if (!csi2rx_get_fmt_by_code(format->format.code)) + format->format.code = formats[0].code; + + format->format.field = V4L2_FIELD_NONE; + + /* Set sink format */ + fmt = v4l2_subdev_get_pad_format(subdev, state, format->pad); + if (!fmt) + return -EINVAL; + + *fmt = format->format; + + /* Propagate to source formats */ + for (i = CSI2RX_PAD_SOURCE_STREAM0; i < CSI2RX_PAD_MAX; i++) { + fmt = v4l2_subdev_get_pad_format(subdev, state, i); + if (!fmt) + return -EINVAL; + *fmt = format->format; + } + + return 0; +} + +static int csi2rx_init_cfg(struct v4l2_subdev *subdev, + struct v4l2_subdev_state *state) +{ + struct v4l2_subdev_format format = { + .which = state ? V4L2_SUBDEV_FORMAT_TRY + : V4L2_SUBDEV_FORMAT_ACTIVE, + .pad = CSI2RX_PAD_SINK, + .format = { + .width = 640, + .height = 480, + .code = MEDIA_BUS_FMT_UYVY8_1X16, + .field = V4L2_FIELD_NONE, + .colorspace = V4L2_COLORSPACE_SRGB, + .ycbcr_enc = V4L2_YCBCR_ENC_601, + .quantization = V4L2_QUANTIZATION_LIM_RANGE, + .xfer_func = V4L2_XFER_FUNC_SRGB, + }, + }; + + return csi2rx_set_fmt(subdev, state, &format); +} + +static const struct v4l2_subdev_pad_ops csi2rx_pad_ops = { + .get_fmt = v4l2_subdev_get_fmt, + .set_fmt = csi2rx_set_fmt, + .init_cfg = csi2rx_init_cfg, +}; + static const struct v4l2_subdev_video_ops csi2rx_video_ops = { .s_stream = csi2rx_s_stream, }; static const struct v4l2_subdev_ops csi2rx_subdev_ops = { .video = &csi2rx_video_ops, + .pad = &csi2rx_pad_ops, }; static int csi2rx_async_bound(struct v4l2_async_notifier *notifier, @@ -532,9 +630,13 @@ static int csi2rx_probe(struct platform_device *pdev) if (ret) goto err_cleanup; + ret = v4l2_subdev_init_finalize(&csi2rx->subdev); + if (ret) + goto err_cleanup; + ret = v4l2_async_register_subdev(&csi2rx->subdev); if (ret < 0) - goto err_cleanup; + goto err_free_state; dev_info(&pdev->dev, "Probed CSI2RX with %u/%u lanes, %u streams, %s D-PHY\n", @@ -544,6 +646,8 @@ static int csi2rx_probe(struct platform_device *pdev) return 0; +err_free_state: + v4l2_subdev_cleanup(&csi2rx->subdev); err_cleanup: v4l2_async_nf_unregister(&csi2rx->notifier); v4l2_async_nf_cleanup(&csi2rx->notifier); @@ -560,6 +664,7 @@ static void csi2rx_remove(struct platform_device *pdev) v4l2_async_nf_unregister(&csi2rx->notifier); v4l2_async_nf_cleanup(&csi2rx->notifier); v4l2_async_unregister_subdev(&csi2rx->subdev); + v4l2_subdev_cleanup(&csi2rx->subdev); media_entity_cleanup(&csi2rx->subdev.entity); kfree(csi2rx); }