From patchwork Mon Nov 9 16:49:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11891871 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 053C7139F for ; Mon, 9 Nov 2020 16:50:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E42D320897 for ; Mon, 9 Nov 2020 16:50:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730887AbgKIQu1 (ORCPT ); Mon, 9 Nov 2020 11:50:27 -0500 Received: from relay8-d.mail.gandi.net ([217.70.183.201]:37227 "EHLO relay8-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730208AbgKIQu0 (ORCPT ); Mon, 9 Nov 2020 11:50:26 -0500 X-Originating-IP: 93.34.118.233 Received: from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233]) (Authenticated sender: jacopo@jmondi.org) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 491741BF20D; Mon, 9 Nov 2020 16:50:22 +0000 (UTC) From: Jacopo Mondi To: linux-media@vger.kernel.org Cc: Jacopo Mondi , mchehab@kernel.org, sakari.ailus@linux.intel.com, hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, roman.kovalivskyi@globallogic.com, dafna.hirschfeld@collabora.com, dave.stevenson@raspberrypi.org, naush@raspberrypi.com, erosca@de.adit-jv.com Subject: [PATCH v3 18/29] media: ov5647: Implement set_fmt pad operation Date: Mon, 9 Nov 2020 17:49:23 +0100 Message-Id: <20201109164934.134919-19-jacopo@jmondi.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201109164934.134919-1-jacopo@jmondi.org> References: <20201109164934.134919-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Now that the driver supports more than a single mode, implement the .set_fmt pad operation and adjust the existing .get_fmt one to report the currently applied format. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ov5647.c | 66 +++++++++++++++++++++++++++++++++++--- 1 file changed, 62 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index c65aacc0e04d3..68eab61d53493 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -1019,14 +1019,72 @@ static int ov5647_enum_frame_size(struct v4l2_subdev *sd, return 0; } -static int ov5647_set_get_fmt(struct v4l2_subdev *sd, +static int ov5647_get_pad_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *fmt = &format->format; + const struct v4l2_mbus_framefmt *sensor_format; + struct ov5647 *sensor = to_sensor(sd); memset(fmt, 0, sizeof(*fmt)); - *fmt = OV5647_DEFAULT_FORMAT; + + mutex_lock(&sensor->lock); + switch (format->which) { + case V4L2_SUBDEV_FORMAT_TRY: + sensor_format = v4l2_subdev_get_try_format(sd, cfg, format->pad); + break; + default: + sensor_format = &sensor->mode->format; + break; + } + + *fmt = *sensor_format; + mutex_unlock(&sensor->lock); + + return 0; +} + +static int ov5647_set_pad_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct v4l2_mbus_framefmt *fmt = &format->format; + const struct ov5647_mode *ov5647_mode_list; + struct ov5647 *sensor = to_sensor(sd); + const struct ov5647_mode *mode; + unsigned int num_modes; + + /* + * Default mbus code MEDIA_BUS_FMT_SBGGR10_1X10 if the requested one + * is not supported. + */ + if (fmt->code == MEDIA_BUS_FMT_SBGGR8_1X8) { + ov5647_mode_list = ov5647_8bpp_modes; + num_modes = ARRAY_SIZE(ov5647_8bpp_modes); + } else { + ov5647_mode_list = ov5647_10bpp_modes; + num_modes = ARRAY_SIZE(ov5647_10bpp_modes); + } + + mode = v4l2_find_nearest_size(ov5647_mode_list, num_modes, + format.width, format.height, + fmt->width, fmt->height); + + if (format->which == V4L2_SUBDEV_FORMAT_TRY) { + mutex_lock(&sensor->lock); + *v4l2_subdev_get_try_format(sd, cfg, format->pad) = mode->format; + *fmt = mode->format; + mutex_unlock(&sensor->lock); + + return 0; + } + + /* Update the sensor mode and apply at it at streamon time. */ + mutex_lock(&sensor->lock); + sensor->mode = mode; + *fmt = mode->format; + mutex_unlock(&sensor->lock); return 0; } @@ -1071,8 +1129,8 @@ static int ov5647_get_selection(struct v4l2_subdev *sd, static const struct v4l2_subdev_pad_ops ov5647_subdev_pad_ops = { .enum_mbus_code = ov5647_enum_mbus_code, .enum_frame_size = ov5647_enum_frame_size, - .set_fmt = ov5647_set_get_fmt, - .get_fmt = ov5647_set_get_fmt, + .set_fmt = ov5647_set_pad_fmt, + .get_fmt = ov5647_get_pad_fmt, .get_selection = ov5647_get_selection, };