From patchwork Tue Jul 19 14:20:57 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 9237597 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 86F706075D for ; Tue, 19 Jul 2016 14:23:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 767A92787D for ; Tue, 19 Jul 2016 14:23:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6ACE427B81; Tue, 19 Jul 2016 14:23:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 452A62787C for ; Tue, 19 Jul 2016 14:23:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753863AbcGSOXp (ORCPT ); Tue, 19 Jul 2016 10:23:45 -0400 Received: from smtp-4.sys.kth.se ([130.237.48.193]:56024 "EHLO smtp-4.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753792AbcGSOXL (ORCPT ); Tue, 19 Jul 2016 10:23:11 -0400 Received: from smtp-4.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-4.sys.kth.se (Postfix) with ESMTP id A8A812F5D; Tue, 19 Jul 2016 16:23:09 +0200 (CEST) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-4.sys.kth.se ([127.0.0.1]) by smtp-4.sys.kth.se (smtp-4.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id AW6aoi2pCgSB; Tue, 19 Jul 2016 16:23:08 +0200 (CEST) X-KTH-Auth: niso [89.233.230.99] X-KTH-mail-from: niklas.soderlund+renesas@ragnatech.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by smtp-4.sys.kth.se (Postfix) with ESMTPSA id 676F02EFA; Tue, 19 Jul 2016 16:23:08 +0200 (CEST) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: linux-media@vger.kernel.org, ulrich.hecht@gmail.com, hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com Cc: linux-renesas-soc@vger.kernel.org, =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCHv2 06/16] [media] rcar-vin: cosmetic clean up in preparation for Gen3 Date: Tue, 19 Jul 2016 16:20:57 +0200 Message-Id: <20160719142107.22358-7-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20160719142107.22358-1-niklas.soderlund+renesas@ragnatech.se> References: <20160719142107.22358-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The main purpose of this commit is to make consecutive patches easier to read. This is achieved with the following changes. - Rename the variable 'entity' in struct rvin_dev to 'digital'. When we add Gen3 support later this will only deal with the digital input source. - Rename all functions dealing with the v4l2 async framework and DT parsing for the digital input from rvin_graph_* to rvin_digital_*. - Reduce indentation in rvin_s_dv_timings() and use 'ret' instead of 'err' for return value variable as used in the rest of the driver. - Order enum chip_id in chronological order. - Fix indentation errors in rcar-v4l2.c which for some reason had bad indentations at some locations. Signed-off-by: Niklas Söderlund --- drivers/media/platform/rcar-vin/rcar-core.c | 46 ++++++++++---------- drivers/media/platform/rcar-vin/rcar-v4l2.c | 66 ++++++++++++++--------------- drivers/media/platform/rcar-vin/rcar-vin.h | 8 ++-- 3 files changed, 59 insertions(+), 61 deletions(-) diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index ff27d75..6744325 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -95,7 +95,7 @@ static int rvin_mbus_supported(struct rvin_dev *vin) return false; } -static int rvin_graph_notify_complete(struct v4l2_async_notifier *notifier) +static int rvin_digital_notify_complete(struct v4l2_async_notifier *notifier) { struct rvin_dev *vin = notifier_to_vin(notifier); int ret; @@ -114,31 +114,31 @@ static int rvin_graph_notify_complete(struct v4l2_async_notifier *notifier) return rvin_v4l2_probe(vin); } -static void rvin_graph_notify_unbind(struct v4l2_async_notifier *notifier, - struct v4l2_subdev *sd, - struct v4l2_async_subdev *asd) +static void rvin_digital_notify_unbind(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *subdev, + struct v4l2_async_subdev *asd) { struct rvin_dev *vin = notifier_to_vin(notifier); rvin_v4l2_remove(vin); } -static int rvin_graph_notify_bound(struct v4l2_async_notifier *notifier, - struct v4l2_subdev *subdev, - struct v4l2_async_subdev *asd) +static int rvin_digital_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *subdev, + struct v4l2_async_subdev *asd) { struct rvin_dev *vin = notifier_to_vin(notifier); vin_dbg(vin, "subdev %s bound\n", subdev->name); - vin->entity.entity = &subdev->entity; - vin->entity.subdev = subdev; + vin->digital.entity = &subdev->entity; + vin->digital.subdev = subdev; return 0; } -static int rvin_graph_parse(struct rvin_dev *vin, - struct device_node *node) +static int rvin_digital_parse(struct rvin_dev *vin, + struct device_node *node) { struct device_node *remote; struct device_node *ep = NULL; @@ -166,10 +166,10 @@ static int rvin_graph_parse(struct rvin_dev *vin, } /* Remote node to connect */ - if (!vin->entity.node) { - vin->entity.node = remote; - vin->entity.asd.match_type = V4L2_ASYNC_MATCH_OF; - vin->entity.asd.match.of.node = remote; + if (!vin->digital.node) { + vin->digital.node = remote; + vin->digital.asd.match_type = V4L2_ASYNC_MATCH_OF; + vin->digital.asd.match.of.node = remote; ret++; } } @@ -179,13 +179,13 @@ static int rvin_graph_parse(struct rvin_dev *vin, return ret; } -static int rvin_graph_init(struct rvin_dev *vin) +static int rvin_digital_init(struct rvin_dev *vin) { struct v4l2_async_subdev **subdevs = NULL; int ret; /* Parse the graph to extract a list of subdevice DT nodes. */ - ret = rvin_graph_parse(vin, vin->dev->of_node); + ret = rvin_digital_parse(vin, vin->dev->of_node); if (ret < 0) { vin_err(vin, "Graph parsing failed\n"); goto done; @@ -208,13 +208,13 @@ static int rvin_graph_init(struct rvin_dev *vin) goto done; } - subdevs[0] = &vin->entity.asd; + subdevs[0] = &vin->digital.asd; vin->notifier.subdevs = subdevs; vin->notifier.num_subdevs = 1; - vin->notifier.bound = rvin_graph_notify_bound; - vin->notifier.unbind = rvin_graph_notify_unbind; - vin->notifier.complete = rvin_graph_notify_complete; + vin->notifier.bound = rvin_digital_notify_bound; + vin->notifier.unbind = rvin_digital_notify_unbind; + vin->notifier.complete = rvin_digital_notify_complete; ret = v4l2_async_notifier_register(&vin->v4l2_dev, &vin->notifier); if (ret < 0) { @@ -227,7 +227,7 @@ static int rvin_graph_init(struct rvin_dev *vin) done: if (ret < 0) { v4l2_async_notifier_unregister(&vin->notifier); - of_node_put(vin->entity.node); + of_node_put(vin->digital.node); } return ret; @@ -324,7 +324,7 @@ static int rcar_vin_probe(struct platform_device *pdev) if (ret) return ret; - ret = rvin_graph_init(vin); + ret = rvin_digital_init(vin); if (ret < 0) goto error; diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index 5dceff8..3f80a0b 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -93,9 +93,9 @@ static u32 rvin_format_sizeimage(struct v4l2_pix_format *pix) */ static int __rvin_try_format_source(struct rvin_dev *vin, - u32 which, - struct v4l2_pix_format *pix, - struct rvin_source_fmt *source) + u32 which, + struct v4l2_pix_format *pix, + struct rvin_source_fmt *source) { struct v4l2_subdev *sd; struct v4l2_subdev_pad_config *pad_cfg; @@ -132,9 +132,9 @@ done: } static int __rvin_try_format(struct rvin_dev *vin, - u32 which, - struct v4l2_pix_format *pix, - struct rvin_source_fmt *source) + u32 which, + struct v4l2_pix_format *pix, + struct rvin_source_fmt *source) { const struct rvin_video_format *info; u32 rwidth, rheight, walign; @@ -218,7 +218,7 @@ static int rvin_try_fmt_vid_cap(struct file *file, void *priv, struct rvin_source_fmt source; return __rvin_try_format(vin, V4L2_SUBDEV_FORMAT_TRY, &f->fmt.pix, - &source); + &source); } static int rvin_s_fmt_vid_cap(struct file *file, void *priv, @@ -232,7 +232,7 @@ static int rvin_s_fmt_vid_cap(struct file *file, void *priv, return -EBUSY; ret = __rvin_try_format(vin, V4L2_SUBDEV_FORMAT_ACTIVE, &f->fmt.pix, - &source); + &source); if (ret) return ret; @@ -333,8 +333,8 @@ static int rvin_s_selection(struct file *file, void *fh, vin->crop = s->r = r; vin_dbg(vin, "Cropped %dx%d@%d:%d of %dx%d\n", - r.width, r.height, r.left, r.top, - vin->source.width, vin->source.height); + r.width, r.height, r.left, r.top, + vin->source.width, vin->source.height); break; case V4L2_SEL_TGT_COMPOSE: /* Make sure compose rect fits inside output format */ @@ -358,8 +358,8 @@ static int rvin_s_selection(struct file *file, void *fh, vin->compose = s->r = r; vin_dbg(vin, "Compose %dx%d@%d:%d in %dx%d\n", - r.width, r.height, r.left, r.top, - vin->format.width, vin->format.height); + r.width, r.height, r.left, r.top, + vin->format.width, vin->format.height); break; default: return -EINVAL; @@ -482,7 +482,7 @@ static int rvin_subscribe_event(struct v4l2_fh *fh, } static int rvin_enum_dv_timings(struct file *file, void *priv_fh, - struct v4l2_enum_dv_timings *timings) + struct v4l2_enum_dv_timings *timings) { struct rvin_dev *vin = video_drvdata(file); struct v4l2_subdev *sd = vin_to_source(vin); @@ -499,45 +499,44 @@ static int rvin_enum_dv_timings(struct file *file, void *priv_fh, } static int rvin_s_dv_timings(struct file *file, void *priv_fh, - struct v4l2_dv_timings *timings) + struct v4l2_dv_timings *timings) { struct rvin_dev *vin = video_drvdata(file); struct v4l2_subdev *sd = vin_to_source(vin); - int err; - - err = v4l2_subdev_call(sd, - video, s_dv_timings, timings); - if (!err) { - vin->source.width = timings->bt.width; - vin->source.height = timings->bt.height; - vin->format.width = timings->bt.width; - vin->format.height = timings->bt.height; - } - return err; + int ret; + + ret = v4l2_subdev_call(sd, video, s_dv_timings, timings); + if (ret) + return ret; + + vin->source.width = timings->bt.width; + vin->source.height = timings->bt.height; + vin->format.width = timings->bt.width; + vin->format.height = timings->bt.height; + + return 0; } static int rvin_g_dv_timings(struct file *file, void *priv_fh, - struct v4l2_dv_timings *timings) + struct v4l2_dv_timings *timings) { struct rvin_dev *vin = video_drvdata(file); struct v4l2_subdev *sd = vin_to_source(vin); - return v4l2_subdev_call(sd, - video, g_dv_timings, timings); + return v4l2_subdev_call(sd, video, g_dv_timings, timings); } static int rvin_query_dv_timings(struct file *file, void *priv_fh, - struct v4l2_dv_timings *timings) + struct v4l2_dv_timings *timings) { struct rvin_dev *vin = video_drvdata(file); struct v4l2_subdev *sd = vin_to_source(vin); - return v4l2_subdev_call(sd, - video, query_dv_timings, timings); + return v4l2_subdev_call(sd, video, query_dv_timings, timings); } static int rvin_dv_timings_cap(struct file *file, void *priv_fh, - struct v4l2_dv_timings_cap *cap) + struct v4l2_dv_timings_cap *cap) { struct rvin_dev *vin = video_drvdata(file); struct v4l2_subdev *sd = vin_to_source(vin); @@ -824,8 +823,7 @@ int rvin_v4l2_probe(struct rvin_dev *vin) vin->src_pad_idx = 0; #if defined(CONFIG_MEDIA_CONTROLLER) for (pad_idx = 0; pad_idx < sd->entity.num_pads; pad_idx++) - if (sd->entity.pads[pad_idx].flags - == MEDIA_PAD_FL_SOURCE) + if (sd->entity.pads[pad_idx].flags == MEDIA_PAD_FL_SOURCE) break; if (pad_idx >= sd->entity.num_pads) return -EINVAL; diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h index a6dd6db..9488ca3 100644 --- a/drivers/media/platform/rcar-vin/rcar-vin.h +++ b/drivers/media/platform/rcar-vin/rcar-vin.h @@ -30,9 +30,9 @@ #define HW_BUFFER_MASK 0x7f enum chip_id { - RCAR_GEN2, RCAR_H1, RCAR_M1, + RCAR_GEN2, }; /** @@ -90,7 +90,7 @@ struct rvin_graph_entity { * @src_pad_idx: source pad index for media controller drivers * @ctrl_handler: V4L2 control handler * @notifier: V4L2 asynchronous subdevs notifier - * @entity: entity in the DT for subdevice + * @digital: entity in the DT for local digital subdevice * * @lock: protects @queue * @queue: vb2 buffers queue @@ -121,7 +121,7 @@ struct rvin_dev { int src_pad_idx; struct v4l2_ctrl_handler ctrl_handler; struct v4l2_async_notifier notifier; - struct rvin_graph_entity entity; + struct rvin_graph_entity digital; struct mutex lock; struct vb2_queue queue; @@ -141,7 +141,7 @@ struct rvin_dev { struct v4l2_rect compose; }; -#define vin_to_source(vin) vin->entity.subdev +#define vin_to_source(vin) vin->digital.subdev /* Debug */ #define vin_dbg(d, fmt, arg...) dev_dbg(d->dev, fmt, ##arg)