From patchwork Wed Nov 4 10:36:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11880257 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 8FDCA14B4 for ; Wed, 4 Nov 2020 10:38:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 770D1223BD for ; Wed, 4 Nov 2020 10:38:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729648AbgKDKhy (ORCPT ); Wed, 4 Nov 2020 05:37:54 -0500 Received: from relay11.mail.gandi.net ([217.70.178.231]:44527 "EHLO relay11.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729597AbgKDKhx (ORCPT ); Wed, 4 Nov 2020 05:37:53 -0500 Received: from uno.lan (93-34-118-233.ip49.fastwebnet.it [93.34.118.233]) (Authenticated sender: jacopo@jmondi.org) by relay11.mail.gandi.net (Postfix) with ESMTPSA id 09916100015; Wed, 4 Nov 2020 10:37:48 +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 v2 23/30] media: ov5647: Support V4L2_CID_HBLANK control Date: Wed, 4 Nov 2020 11:36:15 +0100 Message-Id: <20201104103622.595908-24-jacopo@jmondi.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201104103622.595908-1-jacopo@jmondi.org> References: <20201104103622.595908-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support for the V4L2_CID_HBLANK read-only control. The implementation has been upported from RaspberryPi BSP commit: commit d82f202156605 ("media: i2c: ov5647: Set V4L2_SUBDEV_FL_HAS_EVENTS flag") Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ov5647.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index b57704e1e15e3..82813f548702e 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -77,6 +77,7 @@ struct ov5647_mode { struct v4l2_mbus_framefmt format; struct v4l2_rect crop; u64 pixel_rate; + int hts; const struct regval_list *reg_list; unsigned int num_regs; }; @@ -99,6 +100,7 @@ struct ov5647 { const struct ov5647_mode *mode; const struct ov5647_mode *current_mode; struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *hblank; }; static inline struct ov5647 *to_sensor(struct v4l2_subdev *sd) @@ -586,6 +588,7 @@ static const struct ov5647_mode ov5647_sbggr8_modes[] = { .height = 960, }, .pixel_rate = 77291670, + .hts = 1896, .reg_list = ov5647_640x480_sbggr8, .num_regs = ARRAY_SIZE(ov5647_640x480_sbggr8) }, @@ -608,6 +611,7 @@ static const struct ov5647_mode ov5647_sbggr10_modes[] = { .height = 1944 }, .pixel_rate = 87500000, + .hts = 2844, .reg_list = ov5647_2592x1944_sbggr10, .num_regs = ARRAY_SIZE(ov5647_2592x1944_sbggr10) }, @@ -627,6 +631,7 @@ static const struct ov5647_mode ov5647_sbggr10_modes[] = { .height = 1080, }, .pixel_rate = 81666700, + .hts = 2416, .reg_list = ov5647_1080p30_sbggr10, .num_regs = ARRAY_SIZE(ov5647_1080p30_sbggr10) }, @@ -646,6 +651,7 @@ static const struct ov5647_mode ov5647_sbggr10_modes[] = { .height = 1944, }, .pixel_rate = 81666700, + .hts = 1896, .reg_list = ov5647_2x2binned_sbggr10, .num_regs = ARRAY_SIZE(ov5647_2x2binned_sbggr10) }, @@ -665,6 +671,7 @@ static const struct ov5647_mode ov5647_sbggr10_modes[] = { .height = 1920, }, .pixel_rate = 55000000, + .hts = 1852, .reg_list = ov5647_640x480_sbggr10, .num_regs = ARRAY_SIZE(ov5647_640x480_sbggr10) }, @@ -1074,6 +1081,7 @@ static int ov5647_set_pad_fmt(struct v4l2_subdev *sd, struct ov5647 *sensor = to_sensor(sd); const struct ov5647_mode *mode; unsigned int num_modes; + int hblank; /* * Default mbus code MEDIA_BUS_FMT_SBGGR10_1X10 if the requested one @@ -1107,6 +1115,9 @@ static int ov5647_set_pad_fmt(struct v4l2_subdev *sd, __v4l2_ctrl_modify_range(sensor->pixel_rate, mode->pixel_rate, mode->pixel_rate, 1, mode->pixel_rate); + hblank = mode->hts - mode->format.width; + __v4l2_ctrl_modify_range(sensor->hblank, hblank, hblank, 1, hblank); + *fmt = mode->format; mutex_unlock(&sensor->lock); @@ -1311,6 +1322,9 @@ static int ov5647_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_PIXEL_RATE: /* Read-only, but we adjust it based on mode. */ return 0; + case V4L2_CID_HBLANK: + /* Read-only, but we adjust it based on mode. */ + return 0; default: dev_info(&client->dev, "Control (id:0x%x, val:0x%x) not supported\n", @@ -1328,8 +1342,9 @@ static const struct v4l2_ctrl_ops ov5647_ctrl_ops = { static int ov5647_init_controls(struct ov5647 *sensor) { struct i2c_client *client = v4l2_get_subdevdata(&sensor->sd); + int hblank; - v4l2_ctrl_handler_init(&sensor->ctrls, 6); + v4l2_ctrl_handler_init(&sensor->ctrls, 7); v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops, V4L2_CID_AUTOGAIN, 0, 1, 1, 0); @@ -1359,6 +1374,15 @@ static int ov5647_init_controls(struct ov5647 *sensor) goto handler_free; sensor->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; + /* By default, HBLANK is read only, but it does change per mode */ + hblank = sensor->mode->hts - sensor->mode->format.width; + sensor->hblank = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops, + V4L2_CID_HBLANK, hblank, hblank, 1, + hblank); + if (!sensor->hblank) + goto handler_free; + sensor->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + if (sensor->ctrls.error) goto handler_free;