From patchwork Wed Nov 4 10:36:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11880225 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 DB84F14C0 for ; Wed, 4 Nov 2020 10:37:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3C072072C for ; Wed, 4 Nov 2020 10:37:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729392AbgKDKhS (ORCPT ); Wed, 4 Nov 2020 05:37:18 -0500 Received: from relay7-d.mail.gandi.net ([217.70.183.200]:54917 "EHLO relay7-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729370AbgKDKhS (ORCPT ); Wed, 4 Nov 2020 05:37:18 -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 relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 4FA8D20003; Wed, 4 Nov 2020 10:37:14 +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, Dave Stevenson Subject: [PATCH v2 15/30] media: ov5647: Add support for get_selection() Date: Wed, 4 Nov 2020 11:36:07 +0100 Message-Id: <20201104103622.595908-16-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 From: Dave Stevenson Support the get_selection() pad operation to report the device full pixel array size, the currently applied analogue crop rectangle and the active pixel array dimensions. Signed-off-by: Dave Stevenson Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ov5647.c | 93 ++++++++++++++++++++++++++++---------- 1 file changed, 70 insertions(+), 23 deletions(-) diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index d41c11afe1216..65fcd86dcba96 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -59,25 +59,14 @@ #define VAL_TERM 0xfe #define REG_DLY 0xffff -#define OV5647_ROW_START 0x01 -#define OV5647_ROW_START_MIN 0 -#define OV5647_ROW_START_MAX 2004 -#define OV5647_ROW_START_DEF 54 - -#define OV5647_COLUMN_START 0x02 -#define OV5647_COLUMN_START_MIN 0 -#define OV5647_COLUMN_START_MAX 2750 -#define OV5647_COLUMN_START_DEF 16 - -#define OV5647_WINDOW_HEIGHT 0x03 -#define OV5647_WINDOW_HEIGHT_MIN 2 -#define OV5647_WINDOW_HEIGHT_MAX 2006 -#define OV5647_WINDOW_HEIGHT_DEF 1944 - -#define OV5647_WINDOW_WIDTH 0x04 -#define OV5647_WINDOW_WIDTH_MIN 2 -#define OV5647_WINDOW_WIDTH_MAX 2752 -#define OV5647_WINDOW_WIDTH_DEF 2592 +/* OV5647 native and active pixel array size */ +#define OV5647_NATIVE_WIDTH 2624U +#define OV5647_NATIVE_HEIGHT 1956U + +#define OV5647_PIXEL_ARRAY_LEFT 16U +#define OV5647_PIXEL_ARRAY_TOP 16U +#define OV5647_PIXEL_ARRAY_WIDTH 2592U +#define OV5647_PIXEL_ARRAY_HEIGHT 1944U struct regval_list { u16 addr; @@ -86,6 +75,7 @@ struct regval_list { struct ov5647_mode { struct v4l2_mbus_framefmt format; + struct v4l2_rect crop; const struct regval_list *reg_list; unsigned int num_regs; }; @@ -224,6 +214,12 @@ static const struct ov5647_mode ov5647_8bit_modes[] = { .width = 640, .height = 480 }, + .crop = { + .left = 0, + .top = 0, + .width = 1280, + .height = 960, + }, .reg_list = ov5647_640x480, .num_regs = ARRAY_SIZE(ov5647_640x480) }, @@ -509,6 +505,20 @@ static const struct v4l2_subdev_core_ops ov5647_subdev_core_ops = { #endif }; +static const struct v4l2_rect * +__ov5647_get_pad_crop(struct ov5647 *ov5647, struct v4l2_subdev_pad_config *cfg, + unsigned int pad, enum v4l2_subdev_format_whence which) +{ + switch (which) { + case V4L2_SUBDEV_FORMAT_TRY: + return v4l2_subdev_get_try_crop(&ov5647->sd, cfg, pad); + case V4L2_SUBDEV_FORMAT_ACTIVE: + return &ov5647->mode->crop; + } + + return NULL; +} + static int ov5647_s_stream(struct v4l2_subdev *sd, int enable) { struct ov5647 *sensor = to_sensor(sd); @@ -579,11 +589,48 @@ static int ov5647_set_get_fmt(struct v4l2_subdev *sd, return 0; } +static int ov5647_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_selection *sel) +{ + switch (sel->target) { + case V4L2_SEL_TGT_CROP: { + struct ov5647 *sensor = to_sensor(sd); + + mutex_lock(&sensor->lock); + sel->r = *__ov5647_get_pad_crop(sensor, cfg, sel->pad, + sel->which); + mutex_unlock(&sensor->lock); + + return 0; + } + + case V4L2_SEL_TGT_NATIVE_SIZE: + sel->r.top = 0; + sel->r.left = 0; + sel->r.width = OV5647_NATIVE_WIDTH; + sel->r.height = OV5647_NATIVE_HEIGHT; + + return 0; + + case V4L2_SEL_TGT_CROP_DEFAULT: + sel->r.top = OV5647_PIXEL_ARRAY_TOP; + sel->r.left = OV5647_PIXEL_ARRAY_LEFT; + sel->r.width = OV5647_PIXEL_ARRAY_WIDTH; + sel->r.height = OV5647_PIXEL_ARRAY_HEIGHT; + + return 0; + } + + return -EINVAL; +} + 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, + .get_selection = ov5647_get_selection, }; static const struct v4l2_subdev_ops ov5647_subdev_ops = { @@ -628,10 +675,10 @@ static int ov5647_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) struct v4l2_mbus_framefmt *format = v4l2_subdev_get_try_format(sd, fh->pad, 0); struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, fh->pad, 0); - crop->left = OV5647_COLUMN_START_DEF; - crop->top = OV5647_ROW_START_DEF; - crop->width = OV5647_WINDOW_WIDTH_DEF; - crop->height = OV5647_WINDOW_HEIGHT_DEF; + crop->left = OV5647_PIXEL_ARRAY_LEFT; + crop->top = OV5647_PIXEL_ARRAY_TOP; + crop->width = OV5647_PIXEL_ARRAY_WIDTH; + crop->height = OV5647_PIXEL_ARRAY_HEIGHT; *format = OV5647_DEFAULT_FORMAT;