From patchwork Thu Jul 20 10:30:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93334 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwj-002CYz-An; Thu, 20 Jul 2023 10:31:45 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231365AbjGTKbn (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229903AbjGTKbk (ORCPT ); Thu, 20 Jul 2023 06:31:40 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22A9C1701; Thu, 20 Jul 2023 03:31:39 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 20CB12F5E; Thu, 20 Jul 2023 12:30:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849042; bh=VvRAsOayGAFfVlRWY6mvSxhGtbu4PqRaUHHDSYQLW78=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=WjRX1Z6Gq3fbuR3hGGjZTrHyf++yYhoPnlYADQm5Swa67xruVukl1QoxeR9Y1kbfQ ilt731iTJOBJtVYmRjD5+WY96PRBUhHQiv5ic7g+DnPa93XeaZhLYpiOHGCr438T5F tRpUP9zdgz5NsLvoQJwZi8+RCSWSRgkeg8rqwSJI= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:32 +0300 Subject: [PATCH v2 1/8] media: i2c: ds90ub960: Configure CSI-2 continuous clock MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-1-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1537; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=VvRAsOayGAFfVlRWY6mvSxhGtbu4PqRaUHHDSYQLW78=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBkuQ0EHUKJmhQkd21aXtcFt+ry9DJ3f/tcBaYhG P9RW2UCFsGJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZLkNBAAKCRD6PaqMvJYe 9fVyD/9UmdT0BwBvEErjuszB92Cw0kEX7l60TrqwbVeyil4kJVOuz5lUUJYRfJvMTaYkXS+VzzS EBROVv72P0bHP6Ve9NOBdXHOh12m0mE0OIKxrFfuSOwEfAq5IYmVExM73WcXme2R+cZpP7hYoWF fR1JXnsUKzLx1zaGq1BBUvmCQm49V1T9YV/HTUwKKcbm0NiNOwGlRQKgU3MvjKrGIPjHK3FvgJF tdTyNFtu/padgoGqaNSlIbJzqMYvpDTxVxHpX2k6x67ydHB36RiFk47Xw97a6PpgTsIcwN6F2wL 2o9CWQRpTiRDltAf2Cpfy2C7IOpI2+HKbnpobC6O37NL+Px4oQQs0oW5AU4hSjP2NbkvbSvXI34 49/GcGekmr8PV930Eg40tbfgrX9qN0j1e3W+/OERIuuYpWwAchfzt45PgLKb84+xqTzkPbCUELZ bKKc+sy+jhWtrJVBaloplWLfyKXu8s5Cu3ZVZAWqkBSvL8ypP1vmWi+MRWFPPKFZ3x1EgfRszx/ Rl0O4Dqdc7OnFfDhgazXJLy+4pWi6wxXz5cUT9SMQQB0nxoRZwoT70LScXf4zwzL12C9JudqEpl E1+/O81u8uWPsPZnA6LWUulHjbq156MmAV4uB3PWFPzrpxnD8L6I8UrHeYQ0RHavwpVWM6leZSW ymLoWMHFRNVbIHw== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Use 'clock-noncontinuous' from DT to configure the continuous/non-continuous clock setting for the TX ports. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub960.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c index b9a1ef63629b..a83091f47140 100644 --- a/drivers/media/i2c/ds90ub960.c +++ b/drivers/media/i2c/ds90ub960.c @@ -149,6 +149,7 @@ #define UB960_TR_CSI_CTL 0x33 #define UB960_TR_CSI_CTL_CSI_CAL_EN BIT(6) +#define UB960_TR_CSI_CTL_CSI_CONTS_CLOCK BIT(1) #define UB960_TR_CSI_CTL_CSI_ENABLE BIT(0) #define UB960_TR_CSI_CTL2 0x34 @@ -485,6 +486,7 @@ struct ub960_txport { u8 nport; /* TX port number, and index in priv->txport[] */ u32 num_data_lanes; + bool non_continous_clk; }; struct ub960_data { @@ -1133,6 +1135,9 @@ static int ub960_parse_dt_txport(struct ub960_data *priv, goto err_free_txport; } + txport->non_continous_clk = vep.bus.mipi_csi2.flags & + V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK; + txport->num_data_lanes = vep.bus.mipi_csi2.num_data_lanes; if (vep.nr_of_link_frequencies != 1) { @@ -1744,6 +1749,9 @@ static void ub960_init_tx_port(struct ub960_data *priv, csi_ctl |= (4 - txport->num_data_lanes) << 4; + if (!txport->non_continous_clk) + csi_ctl |= UB960_TR_CSI_CTL_CSI_CONTS_CLOCK; + ub960_txport_write(priv, nport, UB960_TR_CSI_CTL, csi_ctl); } From patchwork Thu Jul 20 10:30:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93335 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwk-002CYz-Dc; Thu, 20 Jul 2023 10:31:46 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231372AbjGTKbo (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231366AbjGTKbn (ORCPT ); Thu, 20 Jul 2023 06:31:43 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D3D510F1; Thu, 20 Jul 2023 03:31:42 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 030083484; Thu, 20 Jul 2023 12:30:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849043; bh=P2mwt86IU+mUzZLLbuoF0ir+LSKXHqgzspTaSIT0SUo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RBp2sQ4BeAQlW9GbIPUqXXxiM7Vat1kuWEuSNUnM+KqZX8kESb7u1Y+tGAUSD009x zAk16Q0j56P9QBPsR71Dr1+hyBAaef36TajrQjv9uVHMSWxX+5Dna4GFAbfv7ClXrK FXCjwJbYFcCgw0yUqq+Sg7NLye976KV4GI+hByCM= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:33 +0300 Subject: [PATCH v2 2/8] media: i2c: ds90ub953: Use v4l2_fwnode_endpoint_parse() MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-2-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub953.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c index 591b52bf71c2..ad964bd6c7eb 100644 --- a/drivers/media/i2c/ds90ub953.c +++ b/drivers/media/i2c/ds90ub953.c @@ -25,6 +25,8 @@ #include #include #include +#include +#include #include #define UB953_PAD_SINK 0 @@ -1111,7 +1113,9 @@ static const struct regmap_config ub953_regmap_config = { static int ub953_parse_dt(struct ub953_data *priv) { struct device *dev = &priv->client->dev; + struct v4l2_fwnode_endpoint vep = {}; struct fwnode_handle *ep_fwnode; + unsigned char nlanes; int ret; ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), @@ -1119,19 +1123,21 @@ static int ub953_parse_dt(struct ub953_data *priv) if (!ep_fwnode) return dev_err_probe(dev, -ENOENT, "no endpoint found\n"); - ret = fwnode_property_count_u32(ep_fwnode, "data-lanes"); + vep.bus_type = V4L2_MBUS_CSI2_DPHY; + ret = v4l2_fwnode_endpoint_parse(ep_fwnode, &vep); fwnode_handle_put(ep_fwnode); - if (ret < 0) + if (ret) return dev_err_probe(dev, ret, - "failed to parse property 'data-lanes'\n"); + "failed to parse sink endpoint data\n"); - if (ret != 1 && ret != 2 && ret != 4) + nlanes = vep.bus.mipi_csi2.num_data_lanes; + if (nlanes != 1 && nlanes != 2 && nlanes != 4) return dev_err_probe(dev, -EINVAL, - "bad number of data-lanes: %d\n", ret); + "bad number of data-lanes: %d\n", nlanes); - priv->num_data_lanes = ret; + priv->num_data_lanes = nlanes; return 0; } From patchwork Thu Jul 20 10:30:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93336 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwl-002CYz-NC; Thu, 20 Jul 2023 10:31:48 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231386AbjGTKbp (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231368AbjGTKbn (ORCPT ); Thu, 20 Jul 2023 06:31:43 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D68910FC; Thu, 20 Jul 2023 03:31:42 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D93AE35CF; Thu, 20 Jul 2023 12:30:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849044; bh=uXXiOXqzAU663MXYPT+tmzzgKeAuEaHLvlQ0jliVr5o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gLRZb6AFKQidi64B0rF14hKfBN9ZKMZrDhvCf5cW9qC8Hxg8SAsq3ZAK1Knsl2ogC pmwZ4YknB+hbQZW9j0MXHoEOr5z4glDIp39Hkw7boJ7v+J4doeb6zv2xq7NZU+FP9V mk3WQtEN39Uoz1D1MR12D4UnqWKJTdwwOCqVpvuI= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:34 +0300 Subject: [PATCH v2 3/8] media: i2c: ds90ub913: Use v4l2_fwnode_endpoint_parse() MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-3-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub913.c | 32 ++++++++++++++++++++------------ 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c index 4dae5afa9fa9..cb53b0654a43 100644 --- a/drivers/media/i2c/ds90ub913.c +++ b/drivers/media/i2c/ds90ub913.c @@ -21,6 +21,8 @@ #include #include +#include +#include #include #define UB913_PAD_SINK 0 @@ -83,7 +85,7 @@ struct ub913_data { struct ds90ub9xx_platform_data *plat_data; - u32 pclk_polarity; + u32 pclk_polarity_rising; }; static inline struct ub913_data *sd_to_ub913(struct v4l2_subdev *sd) @@ -675,25 +677,31 @@ static int ub913_add_i2c_adapter(struct ub913_data *priv) static int ub913_parse_dt(struct ub913_data *priv) { struct device *dev = &priv->client->dev; + struct v4l2_fwnode_endpoint vep = {}; struct fwnode_handle *ep_fwnode; int ret; ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), UB913_PAD_SINK, 0, 0); - if (!ep_fwnode) { - dev_err_probe(dev, -ENOENT, "No sink endpoint\n"); - return -ENOENT; - } + if (!ep_fwnode) + return dev_err_probe(dev, -ENOENT, "No sink endpoint\n"); - ret = fwnode_property_read_u32(ep_fwnode, "pclk-sample", - &priv->pclk_polarity); + vep.bus_type = V4L2_MBUS_PARALLEL; + ret = v4l2_fwnode_endpoint_parse(ep_fwnode, &vep); fwnode_handle_put(ep_fwnode); - if (ret) { - dev_err_probe(dev, ret, "failed to parse 'pclk-sample'\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "failed to parse sink endpoint data\n"); + + if (vep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_RISING) + priv->pclk_polarity_rising = true; + else if (vep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) + priv->pclk_polarity_rising = false; + else + return dev_err_probe(dev, -EINVAL, + "bad value for 'pclk-sample'\n"); return 0; } @@ -726,7 +734,7 @@ static int ub913_hw_init(struct ub913_data *priv) ub913_read(priv, UB913_REG_GENERAL_CFG, &v); v &= ~UB913_REG_GENERAL_CFG_PCLK_RISING; - v |= priv->pclk_polarity ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; + v |= priv->pclk_polarity_rising ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; ub913_write(priv, UB913_REG_GENERAL_CFG, v); return 0; From patchwork Thu Jul 20 10:30:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93337 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwn-002CYz-HX; Thu, 20 Jul 2023 10:31:49 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231401AbjGTKbr (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231377AbjGTKbp (ORCPT ); Thu, 20 Jul 2023 06:31:45 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5945310F1; Thu, 20 Jul 2023 03:31:44 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id BA0483697; Thu, 20 Jul 2023 12:30:44 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849045; bh=3zg0TxkVcXHwj80fcueaquBqUvRn/uJahEbl2HWcRHo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kpfxg6FZprwwUtPx9ietn1V4s0lFbbWhlMEwizaf+z1blPmYtbwBJT3DnkbVK0Ss/ Qd0lTD3yCP6aGS3HJnRaQqytNZKDkZfWXd2Ynul8b69Y5XIb7lUxLYLSiWDow4//5N rPBWN77RwyJmCIVCxDTA+48fnZT/uayuNmKtwFfo= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:35 +0300 Subject: [PATCH v2 4/8] media: i2c: ds90ub953: Handle V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-4-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1301; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=3zg0TxkVcXHwj80fcueaquBqUvRn/uJahEbl2HWcRHo=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBkuQ0FWYffPp2nMhTi2liX/2xEN899/vyaYUJJX yU9efkuiHyJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZLkNBQAKCRD6PaqMvJYe 9RPAD/47epS1smq6O8YL2r+cKuMGUA+uCmzry2xhn4N/I7X51aKRcgpq22drWpksdA8nKP81kCH WASbwl9eJnahZX37OWbDsAvLFJsU9oryaAkDooOp4lizGw/c8AjXlLrjsIt+3mjK+6EFKvmAMjP b+lulfsxM08Dbx7vivjtMVR72qed3+YoD/CS11CPK+Miq7FYqMzwWRivgyoPjAcqD5VXqd0uG43 cSpfrpx0N85dnvpjBwZ4V6cIdyaW61FCjsIPWX2CQsvcVrR5Rkf3xdy1b+s8SHfeuChe818j0Zj 9yB/QBDVO4ne9sGJHQ3Ke6PFGbcqM/4BQMGrUMqxz+H11WCNGbdsEb/swjUqHriec/fWuzlcVOO PKqAIdKWJBgMxINgkMB82cGxLnOLXV9cu3ZkOePqGu6mUMO+k1VKiLHZygPQe30MrdAm3qJblux ru3TGTn9ahKlgm7JkqVA+F/ENu3ESZvN3TsTyxCMf/My8CkCk0PUkxkVYR2O00/DxNn1sAnKaPi jwJfWbgiEbdxhQ+rpyK2WPwuW9f1eQlHrgaOTMYoVuLtmfFhaaCjJaPnYXPkqbsd2Vrc4rbLlJN dJsY6l42GtQ8jF2qXSxWVGMLyM50ErM0xU2KVhhqIyOzajwmLa1RV2Wfw1+JfGU9T94xv1t3K7Z qTS8JbfVtaLKXSw== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Handle V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK flag to configure the CSI-2 RX continuous/non-continuous clock register. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub953.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c index ad964bd6c7eb..ad479923d2b4 100644 --- a/drivers/media/i2c/ds90ub953.c +++ b/drivers/media/i2c/ds90ub953.c @@ -138,6 +138,7 @@ struct ub953_data { struct regmap *regmap; u32 num_data_lanes; + bool non_cont_clk; struct gpio_chip gpio_chip; @@ -1139,6 +1140,9 @@ static int ub953_parse_dt(struct ub953_data *priv) priv->num_data_lanes = nlanes; + priv->non_cont_clk = vep.bus.mipi_csi2.flags & + V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK; + return 0; } @@ -1201,7 +1205,7 @@ static int ub953_hw_init(struct ub953_data *priv) return dev_err_probe(dev, ret, "i2c init failed\n"); ub953_write(priv, UB953_REG_GENERAL_CFG, - UB953_REG_GENERAL_CFG_CONT_CLK | + (priv->non_cont_clk ? 0 : UB953_REG_GENERAL_CFG_CONT_CLK) | ((priv->num_data_lanes - 1) << UB953_REG_GENERAL_CFG_CSI_LANE_SEL_SHIFT) | UB953_REG_GENERAL_CFG_CRC_TX_GEN_ENABLE); From patchwork Thu Jul 20 10:30:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93338 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwp-002CYz-Gh; Thu, 20 Jul 2023 10:31:51 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231404AbjGTKbt (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231379AbjGTKbp (ORCPT ); Thu, 20 Jul 2023 06:31:45 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9015910FC; Thu, 20 Jul 2023 03:31:44 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9F1DD373D; Thu, 20 Jul 2023 12:30:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849046; bh=bS5i5doTbSucq0ar42mZOd1EPRTamwE8j3ah3qy/e4s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=wUd28V0pe4O9hotnFlHCiz8pzFKU6I0ugnmryeXgX29mhIi+EDjjtTfbMv5YuCOTO rk3Yf9Fm7Y35rHcJZEGtbIzFl2glcuRF9A86x1mdrknhUsq3JJYfMEqJZa6YRtpn0d CoOVA2qIANLZ3XAGHzBqq/L2fRxNa1RuRV0fU+so= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:36 +0300 Subject: [PATCH v2 5/8] media: i2c: ds90ub960: Allow FPD-Link async mode MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-5-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen , Andy Shevchenko X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=907; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=bS5i5doTbSucq0ar42mZOd1EPRTamwE8j3ah3qy/e4s=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBkuQ0GYZsPUbzsSK2JECdTPkcdIHBDIEvrJu359 Mm270T0WJOJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZLkNBgAKCRD6PaqMvJYe 9QnJD/4s8UeNqGmWQPr9OW3S/znmoLR5DpkmyTgwNiUNCqKqM3a/6v52+j0Muf+J67a80e6Dkhq ybnCQ8k6Uy+YWBGOYy0cAjRYBoKazSyzlfASNhduK6EWjDWsbLF7hhuKtloVGUjsLrTAGIL3Gso OMWS+vKPSo8DFiHAvi4Hxaljlt5bfDl3+M3X3/VvyVNdHeO5d6//NH3j6fcVIIg9Man94zq9uGa /oFJoeiDTXc1RAyC9PqD5lQ8kOD38E9H6WcvuXv/sbAvBr3CEMZesA1N01vsRGxej3b98hQSKDz dHNwyUPyhyCp8gtI6hCvTiDFnwLqQJXYAkS24Ui1aDEkV4meIL1qHWt2nec+Ay9use1A3PvFPy/ Bh0gMywGhqRp+8sgMF7K2/wC75nZRfOpt10GlXBhGcXpTmXwH9GA3Jhzu7z32SHPVfK0aMM02Gq qTMXKabRHskOnN3HUNGmyAfoN4a8J7a32oIzLihMLWE83w10lmjQbFDe2hPhaezsCQM0S52PlNH 6p4s03CJlxFNg6C6cdWuKpMEL9099sFca4TMHeZveldqIMT6reV7sgQF/HuV2WEOqjLAHBJKjVp WdGMfmFrRzk6nSUxXqB6BiDl/XTmgPWr9xOgSHO6kgcKpIrjazB0PRGOh4OdSlho0pmKHhoXR61 sTS0DtF6TenI4PQ== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Allow using FPD-Link in async mode. The driver handles it correctly, but the mode was blocked at probe time as there wasn't HW to test this with. Now the mode has been tested, and it works. Signed-off-by: Tomi Valkeinen Reviewed-by: Andy Shevchenko Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub960.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c index a83091f47140..ea819fb6e99b 100644 --- a/drivers/media/i2c/ds90ub960.c +++ b/drivers/media/i2c/ds90ub960.c @@ -3240,7 +3240,6 @@ ub960_parse_dt_rxport_link_properties(struct ub960_data *priv, switch (rx_mode) { case RXPORT_MODE_RAW12_HF: case RXPORT_MODE_RAW12_LF: - case RXPORT_MODE_CSI2_ASYNC: dev_err(dev, "rx%u: unsupported 'ti,rx-mode' %u\n", nport, rx_mode); return -EINVAL; From patchwork Thu Jul 20 10:30:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93340 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwz-002CaQ-92; Thu, 20 Jul 2023 10:32:01 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230404AbjGTKb7 (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231382AbjGTKbs (ORCPT ); Thu, 20 Jul 2023 06:31:48 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7D3410F1; Thu, 20 Jul 2023 03:31:46 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 8ED4737A2; Thu, 20 Jul 2023 12:30:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849047; bh=voR+HIz/XDavd4wzz+Vp//Iu4A0tNRNWdTZwN65n+JA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qOJTeAAF3tE6iRTT5jV6xxjKztvE1oDRJZ1hno6nioW0QURCwO/dPtFm2yyCbLJZk G9w1cVZ8i2avaoSyUBkKm9wV4dL/dixDhpq+EpeV1liYz12gkgWj8Ab/0evs6R+oJ/ zcLYvA2Hg9rvtMYRUpyjs7+KFCqUfMbaZXke5dUU= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:37 +0300 Subject: [PATCH v2 6/8] media: i2c: ds90ub953: Restructure clkout management MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-6-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=6059; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=voR+HIz/XDavd4wzz+Vp//Iu4A0tNRNWdTZwN65n+JA=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBkuQ0Gh4xXec7JBNHbwWLxEILbCSmxX/r09MWxF riAySfG8geJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZLkNBgAKCRD6PaqMvJYe 9XsZD/4oZvc1In4dU9ecUxJcex96ZAaNC6MyWiaVfKcTQ5tceKRvVcugDEJB3lMiN46aRY6qhtx 52PbvOESJrTS/V4LU8gIGPebkF7ji+tS4464TunFmeOgd0k9cixziwUOZZ/zDT50GXyu6+qjYkE i79F15ZNsHyOFk68iIsenAAgZvf6yBivCQeSjRltHx4ECnvucg9fnS+eWQnaeRWA0puzMCNU4xx bqrqoeUvFq/W3ZoxQ5zkuHmZs1EWxO6flcziZPYrGRZHabM1hpEfaRD1WT1jkTa55we4qUoUfzx ZHS3xJxpII62k8M8YRqwLKPOQNf/q75IGCiYpe5m4dsatxudLRyaCeO2G4ff2taQf89NT41RJnH Tct5ljQ41Ihy0N+69EYjQm5ChS1i2D5lof0Kw+wMecDRF8xR/kOIjEwrFiwD/1CYcft8BzTVbwl RIqU9kAK+IwsAfu9ApkujeP5T04dM67rZpHDwuSiitvRyGhZ48mFXA7YmEPT98kvL8NN5UH09cE Z1E3Si9lLCqClKjDmuFX98JrNUYfmyo8/0hZdAFOiC8kgYBYreqmmiAeLQIEFkZ4ZVkOjv+RUfv sXFqAezX5PFndxr+nY2m2Mr/Lku6YTzWa8b9nLmvqMCYpXxEOWK32uIr7UOU4gJ4TVZfLko+GoP v5OR2w2UXWCU4DA== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Separate clkout calculations and register writes into two functions: ub953_calc_clkout_params and ub953_write_clkout_regs, and add a struct ub953_clkout_data that is used to store the clkout parameters. This simplifies the clkout management. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub953.c | 135 ++++++++++++++++++++++-------------------- 1 file changed, 70 insertions(+), 65 deletions(-) diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c index ad479923d2b4..3a19c6dedd2f 100644 --- a/drivers/media/i2c/ds90ub953.c +++ b/drivers/media/i2c/ds90ub953.c @@ -131,6 +131,13 @@ struct ub953_hw_data { bool is_ub971; }; +struct ub953_clkout_data { + u32 hs_div; + u32 m; + u32 n; + unsigned long rate; +}; + struct ub953_data { const struct ub953_hw_data *hw_data; @@ -906,6 +913,58 @@ static unsigned long ub953_calc_clkout_ub971(struct ub953_data *priv, return res; } +static void ub953_calc_clkout_params(struct ub953_data *priv, + unsigned long target_rate, + struct ub953_clkout_data *clkout_data) +{ + struct device *dev = &priv->client->dev; + unsigned long clkout_rate; + u64 fc_rate; + + fc_rate = ub953_get_fc_rate(priv); + + if (priv->hw_data->is_ub971) { + u8 m, n; + + clkout_rate = ub953_calc_clkout_ub971(priv, target_rate, + fc_rate, &m, &n); + + clkout_data->m = m; + clkout_data->n = n; + + dev_dbg(dev, "%s %llu * %u / (8 * %u) = %lu (requested %lu)", + __func__, fc_rate, m, n, clkout_rate, target_rate); + } else { + u8 hs_div, m, n; + + clkout_rate = ub953_calc_clkout_ub953(priv, target_rate, + fc_rate, &hs_div, &m, &n); + + clkout_data->hs_div = hs_div; + clkout_data->m = m; + clkout_data->n = n; + + dev_dbg(dev, "%s %llu / %u * %u / %u = %lu (requested %lu)", + __func__, fc_rate, hs_div, m, n, clkout_rate, + target_rate); + } + + clkout_data->rate = clkout_rate; +} + +static void ub953_write_clkout_regs(struct ub953_data *priv, + struct ub953_clkout_data *clkout_data) +{ + if (priv->hw_data->is_ub971) { + ub953_write(priv, UB953_REG_CLKOUT_CTRL0, clkout_data->m); + ub953_write(priv, UB953_REG_CLKOUT_CTRL1, clkout_data->n); + } else { + ub953_write(priv, UB953_REG_CLKOUT_CTRL0, + (__ffs(clkout_data->hs_div) << 5) | clkout_data->m); + ub953_write(priv, UB953_REG_CLKOUT_CTRL1, clkout_data->n); + } +} + static unsigned long ub953_clkout_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { @@ -965,52 +1024,25 @@ static long ub953_clkout_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { struct ub953_data *priv = container_of(hw, struct ub953_data, clkout_clk_hw); - struct device *dev = &priv->client->dev; - unsigned long res; - u64 fc_rate; - u8 hs_div, m, n; - - fc_rate = ub953_get_fc_rate(priv); + struct ub953_clkout_data clkout_data; - if (priv->hw_data->is_ub971) { - res = ub953_calc_clkout_ub971(priv, rate, fc_rate, &m, &n); + ub953_calc_clkout_params(priv, rate, &clkout_data); - dev_dbg(dev, "%s %llu * %u / (8 * %u) = %lu (requested %lu)", - __func__, fc_rate, m, n, res, rate); - } else { - res = ub953_calc_clkout_ub953(priv, rate, fc_rate, &hs_div, &m, &n); - - dev_dbg(dev, "%s %llu / %u * %u / %u = %lu (requested %lu)", - __func__, fc_rate, hs_div, m, n, res, rate); - } - - return res; + return clkout_data.rate; } static int ub953_clkout_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct ub953_data *priv = container_of(hw, struct ub953_data, clkout_clk_hw); - u64 fc_rate; - u8 hs_div, m, n; - unsigned long res; + struct ub953_clkout_data clkout_data; - fc_rate = ub953_get_fc_rate(priv); - - if (priv->hw_data->is_ub971) { - res = ub953_calc_clkout_ub971(priv, rate, fc_rate, &m, &n); - - ub953_write(priv, UB953_REG_CLKOUT_CTRL0, m); - ub953_write(priv, UB953_REG_CLKOUT_CTRL1, n); - } else { - res = ub953_calc_clkout_ub953(priv, rate, fc_rate, &hs_div, &m, &n); + ub953_calc_clkout_params(priv, rate, &clkout_data); - ub953_write(priv, UB953_REG_CLKOUT_CTRL0, (__ffs(hs_div) << 5) | m); - ub953_write(priv, UB953_REG_CLKOUT_CTRL1, n); - } + dev_dbg(&priv->client->dev, "%s %lu (requested %lu)\n", __func__, + clkout_data.rate, rate); - dev_dbg(&priv->client->dev, "%s %lu (requested %lu)\n", __func__, res, - rate); + ub953_write_clkout_regs(priv, &clkout_data); return 0; } @@ -1021,32 +1053,6 @@ static const struct clk_ops ub953_clkout_ops = { .set_rate = ub953_clkout_set_rate, }; -static void ub953_init_clkout_ub953(struct ub953_data *priv) -{ - u64 fc_rate; - u8 hs_div, m, n; - - fc_rate = ub953_get_fc_rate(priv); - - ub953_calc_clkout_ub953(priv, 25000000, fc_rate, &hs_div, &m, &n); - - ub953_write(priv, UB953_REG_CLKOUT_CTRL0, (__ffs(hs_div) << 5) | m); - ub953_write(priv, UB953_REG_CLKOUT_CTRL1, n); -} - -static void ub953_init_clkout_ub971(struct ub953_data *priv) -{ - u64 fc_rate; - u8 m, n; - - fc_rate = ub953_get_fc_rate(priv); - - ub953_calc_clkout_ub971(priv, 25000000, fc_rate, &m, &n); - - ub953_write(priv, UB953_REG_CLKOUT_CTRL0, m); - ub953_write(priv, UB953_REG_CLKOUT_CTRL1, n); -} - static int ub953_register_clkout(struct ub953_data *priv) { struct device *dev = &priv->client->dev; @@ -1055,16 +1061,15 @@ static int ub953_register_clkout(struct ub953_data *priv) priv->hw_data->model, dev_name(dev)), .ops = &ub953_clkout_ops, }; + struct ub953_clkout_data clkout_data; int ret; if (!init.name) return -ENOMEM; /* Initialize clkout to 25MHz by default */ - if (priv->hw_data->is_ub971) - ub953_init_clkout_ub971(priv); - else - ub953_init_clkout_ub953(priv); + ub953_calc_clkout_params(priv, 25000000, &clkout_data); + ub953_write_clkout_regs(priv, &clkout_data); priv->clkout_clk_hw.init = &init; From patchwork Thu Jul 20 10:30:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93339 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQwy-002CaQ-Cb; Thu, 20 Jul 2023 10:32:00 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231405AbjGTKb5 (ORCPT + 1 other); Thu, 20 Jul 2023 06:31:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229632AbjGTKbs (ORCPT ); Thu, 20 Jul 2023 06:31:48 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D82261719; Thu, 20 Jul 2023 03:31:46 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 71C1537B1; Thu, 20 Jul 2023 12:30:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849048; bh=Rur1IK4TcPD70743h/tvl3kOfm8iOTDAhEwetSWaWDY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kTWD2/BOqU1mHDUETVmqL8Xqgc+KID6QJZTDOvsZViSS1WlREwDP2O7HQPiZhuBbE IqQj6taNn4vL14OwZZ0E8ZBBUjoHMCiGkJ7tunZqd+IkL6P41xgbNwnTFANABWs5eM y/syppZugjyabQMHPXi/e/yxxvfa/Fst76OxvvuE= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:38 +0300 Subject: [PATCH v2 7/8] media: i2c: ds90ub953: Support non-sync mode MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-7-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Add support for FPD-Link non-sync mode with external clock. The only thing that needs to be added is the calculation for the clkout. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub953.c | 34 ++++++++++++++++++++++++++-------- 1 file changed, 26 insertions(+), 8 deletions(-) diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c index 3a19c6dedd2f..846542e6e20d 100644 --- a/drivers/media/i2c/ds90ub953.c +++ b/drivers/media/i2c/ds90ub953.c @@ -143,6 +143,7 @@ struct ub953_data { struct i2c_client *client; struct regmap *regmap; + struct clk *clkin; u32 num_data_lanes; bool non_cont_clk; @@ -842,15 +843,21 @@ static int ub953_i2c_master_init(struct ub953_data *priv) static u64 ub953_get_fc_rate(struct ub953_data *priv) { - if (priv->mode != UB953_MODE_SYNC) { + switch (priv->mode) { + case UB953_MODE_SYNC: + if (priv->hw_data->is_ub971) + return priv->plat_data->bc_rate * 160ull; + else + return priv->plat_data->bc_rate / 2 * 160ull; + + case UB953_MODE_NONSYNC_EXT: + /* CLKIN_DIV = 1 always */ + return clk_get_rate(priv->clkin) * 80ull; + + default: /* Not supported */ return 0; } - - if (priv->hw_data->is_ub971) - return priv->plat_data->bc_rate * 160ull; - else - return priv->plat_data->bc_rate / 2 * 160ull; } static unsigned long ub953_calc_clkout_ub953(struct ub953_data *priv, @@ -1188,9 +1195,15 @@ static int ub953_hw_init(struct ub953_data *priv) dev_dbg(dev, "mode from %s: %#x\n", mode_override ? "reg" : "strap", priv->mode); - if (priv->mode != UB953_MODE_SYNC) + if (priv->mode != UB953_MODE_SYNC && + priv->mode != UB953_MODE_NONSYNC_EXT) return dev_err_probe(dev, -ENODEV, - "Only synchronous mode supported\n"); + "Unsupported mode selected: %d\n", + priv->mode); + + if (priv->mode == UB953_MODE_NONSYNC_EXT && !priv->clkin) + return dev_err_probe(dev, -EINVAL, + "clkin required for non-sync ext mode\n"); ret = ub953_read(priv, UB953_REG_REV_MASK_ID, &v); if (ret) @@ -1318,6 +1331,11 @@ static int ub953_probe(struct i2c_client *client) goto err_mutex_destroy; } + priv->clkin = devm_clk_get_optional(dev, "clkin"); + if (IS_ERR(priv->clkin)) + return dev_err_probe(dev, PTR_ERR(priv->clkin), + "failed to parse 'clkin'\n"); + ret = ub953_parse_dt(priv); if (ret) goto err_mutex_destroy; From patchwork Thu Jul 20 10:30:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 93341 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qMQxB-002Cb7-BA; Thu, 20 Jul 2023 10:32:13 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231508AbjGTKcL (ORCPT + 1 other); Thu, 20 Jul 2023 06:32:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231426AbjGTKb4 (ORCPT ); Thu, 20 Jul 2023 06:31:56 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C7331726; Thu, 20 Jul 2023 03:31:49 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 530693809; Thu, 20 Jul 2023 12:30:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689849049; bh=BnpBVZYY+/GA3ZmNzw9v9ygUo60Pbgode19CRNRPRs0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ti9StKN/4g2CywLOTcOwwZvLuq5X93caF52kjjVcu9f0wTJ3NUHaKSB4/mjUNT4oc mimXgvQJbbJuSjKdo9DzgKKiw6R4GCpPvEpq3TikPJbWNv8NPsldFZT1ahBlKAnRZC i7aq46ob6LjgGLMszVxoIv/fKyajHJ3ahP/s2+7U= From: Tomi Valkeinen Date: Thu, 20 Jul 2023 13:30:39 +0300 Subject: [PATCH v2 8/8] media: i2c: ds90ub960: Rename RXPORT_MODE_CSI2_ASYNC to RXPORT_MODE_CSI2_NONSYNC MIME-Version: 1.0 Message-Id: <20230720-fpdlink-additions-v2-8-b91b1eca2ad3@ideasonboard.com> References: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> In-Reply-To: <20230720-fpdlink-additions-v2-0-b91b1eca2ad3@ideasonboard.com> To: Mauro Carvalho Chehab , Luca Ceresoli , Andy Shevchenko , Laurent Pinchart , Sakari Ailus , Hans Verkuil , Satish Nagireddy , Matti Vaittinen Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=3438; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=BnpBVZYY+/GA3ZmNzw9v9ygUo60Pbgode19CRNRPRs0=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBkuQ0HPIOE/bsugJhJge9C5M30jkHGJVYVewFg6 LClJf5MKiSJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZLkNBwAKCRD6PaqMvJYe 9XjWD/9Jlpj1Kf468RDQ4MDKE+dX5gJTkcj384jqFJlPxnjlyX2et0g+PHE3NjKG7/HIBk0i5JP N0+ndA0hX7SDjyKsCmVtqNFN4mILbXN75QLxWwSiGd1O7ITtNN0E/sbkSGUXe6a5rjtZGdSGB0o fJDI57eU4tTaiIWbgscEUd8YUA4p+hzPo5FLye8Qd3aDJyR3WGIzKwWaqhfeMsopV3aXKvuZLMR DZyy4IH50xGTrxrHDl4vGfYaWEABhbm8VS5rQotXoHhvWkD3xHui1l0nYWu4XvAP+mDGwXIxzyo eDd5vgX+bue9GVrozgMMFMvo4tAyiCPG5w7Y837qjImE50IN7XhHQIW5N30pTK4sT6rYS+CHzxx 3i7hvt5Y+dg8qVzqjGPROjsqNskC6ndLWhzxoIquUCMRvXmmDSc6sygviUlKWtywEbNvidPXr8U 6kKN5cHorkI9x21kAA8VVRXf3SVyO2TMNTBglXq11H4Y8BdBe27mSWfZCXL08gcLOvPe5Ku/am+ LnYga/IeDPQiXstGTeovpdMmHvrZkWnRxSTML0NUdLvRzUNfb3lID1OQGxFd0kIOzE2s7Hs+f0h DSHZW/DTwep6quF1r7jj98u0q8dq8fN3eMjvb26xaSEvbbxGU3u3LlKJAlzE326CkasdULWSGHH oiDrsBBVX19Ww1w== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, 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,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no FPD-Link has an operating mode that used to be called "asynchronous" in the hardware documentation, but that has been changed to non-synchronous already quite a while back. The ub960 driver still had one instance of the old naming, so let's rename it. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ds90ub960.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c index ea819fb6e99b..2ed4d4763a02 100644 --- a/drivers/media/i2c/ds90ub960.c +++ b/drivers/media/i2c/ds90ub960.c @@ -415,8 +415,8 @@ enum ub960_rxport_mode { RXPORT_MODE_RAW12_HF = 1, RXPORT_MODE_RAW12_LF = 2, RXPORT_MODE_CSI2_SYNC = 3, - RXPORT_MODE_CSI2_ASYNC = 4, - RXPORT_MODE_LAST = RXPORT_MODE_CSI2_ASYNC, + RXPORT_MODE_CSI2_NONSYNC = 4, + RXPORT_MODE_LAST = RXPORT_MODE_CSI2_NONSYNC, }; enum ub960_rxport_cdr { @@ -1609,7 +1609,7 @@ static unsigned long ub960_calc_bc_clk_rate_ub960(struct ub960_data *priv, div = 1; break; - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: mult = 2; div = 5; break; @@ -1633,7 +1633,7 @@ static unsigned long ub960_calc_bc_clk_rate_ub9702(struct ub960_data *priv, case RXPORT_MODE_CSI2_SYNC: return 47187500; - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: return 9437500; default: @@ -1840,7 +1840,7 @@ static void ub960_init_rx_port_ub960(struct ub960_data *priv, bc_freq_val = 0; break; - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: bc_freq_val = 2; break; @@ -1878,7 +1878,7 @@ static void ub960_init_rx_port_ub960(struct ub960_data *priv, return; case RXPORT_MODE_CSI2_SYNC: - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: /* CSI-2 Mode (DS90UB953-Q1 compatible) */ ub960_rxport_update_bits(priv, nport, UB960_RR_PORT_CONFIG, 0x3, 0x0); @@ -1938,7 +1938,7 @@ static void ub960_init_rx_port_ub9702_fpd3(struct ub960_data *priv, fpd_func_mode = 2; break; - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: bc_freq_val = 2; fpd_func_mode = 2; break; @@ -2032,7 +2032,7 @@ static void ub960_init_rx_port_ub9702_fpd4(struct ub960_data *priv, bc_freq_val = 6; break; - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: bc_freq_val = 2; break; @@ -2098,7 +2098,7 @@ static void ub960_init_rx_port_ub9702(struct ub960_data *priv, return; case RXPORT_MODE_CSI2_SYNC: - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: break; } @@ -2444,7 +2444,7 @@ static int ub960_configure_ports_for_streaming(struct ub960_data *priv, /* For the rest, we are only interested in parallel busses */ if (rxport->rx_mode == RXPORT_MODE_CSI2_SYNC || - rxport->rx_mode == RXPORT_MODE_CSI2_ASYNC) + rxport->rx_mode == RXPORT_MODE_CSI2_NONSYNC) continue; if (rx_data[nport].num_streams > 2) @@ -2508,7 +2508,7 @@ static int ub960_configure_ports_for_streaming(struct ub960_data *priv, break; case RXPORT_MODE_CSI2_SYNC: - case RXPORT_MODE_CSI2_ASYNC: + case RXPORT_MODE_CSI2_NONSYNC: if (!priv->hw_data->is_ub9702) { /* Map all VCs from this port to the same VC */ ub960_rxport_write(priv, nport, UB960_RR_CSI_VC_MAP,