From patchwork Wed Jul 14 14:07:08 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 112006 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6EE6fJt010560 for ; Wed, 14 Jul 2010 14:06:44 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757126Ab0GNOG2 (ORCPT ); Wed, 14 Jul 2010 10:06:28 -0400 Received: from perceval.irobotique.be ([92.243.18.41]:52763 "EHLO perceval.irobotique.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756925Ab0GNOGJ (ORCPT ); Wed, 14 Jul 2010 10:06:09 -0400 Received: from localhost.localdomain (unknown [91.178.183.65]) by perceval.irobotique.be (Postfix) with ESMTPSA id D3C4D35E0B; Wed, 14 Jul 2010 14:06:04 +0000 (UTC) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: sakari.ailus@maxwell.research.nokia.com Subject: [SAMPLE 06/12] v4l: Add subdev userspace API to enumerate and configure frame interval Date: Wed, 14 Jul 2010 16:07:08 +0200 Message-Id: <1279116434-28278-7-git-send-email-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1279114219-27389-1-git-send-email-laurent.pinchart@ideasonboard.com> References: <1279114219-27389-1-git-send-email-laurent.pinchart@ideasonboard.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 14 Jul 2010 14:06:45 +0000 (UTC) diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c index d8b261f..8ddb2fb 100644 --- a/drivers/media/video/v4l2-subdev.c +++ b/drivers/media/video/v4l2-subdev.c @@ -208,6 +208,22 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) fse); } + case VIDIOC_SUBDEV_G_FRAME_INTERVAL: + return v4l2_subdev_call(sd, video, g_frame_interval, arg); + + case VIDIOC_SUBDEV_S_FRAME_INTERVAL: + return v4l2_subdev_call(sd, video, s_frame_interval, arg); + + case VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL: { + struct v4l2_subdev_frame_interval_enum *fie = arg; + + if (fie->pad >= sd->entity.num_pads) + return -EINVAL; + + return v4l2_subdev_call(sd, pad, enum_frame_interval, subdev_fh, + fie); + } + default: return -ENOIOCTLCMD; } diff --git a/include/linux/v4l2-subdev.h b/include/linux/v4l2-subdev.h index 6504f22..e3362aa 100644 --- a/include/linux/v4l2-subdev.h +++ b/include/linux/v4l2-subdev.h @@ -56,11 +56,35 @@ struct v4l2_subdev_frame_size_enum { __u32 reserved[9]; }; +/** + * struct v4l2_subdev_pad_frame_rate + */ +struct v4l2_subdev_frame_interval { + struct v4l2_fract interval; + __u32 reserved[6]; +}; + +struct v4l2_subdev_frame_interval_enum { + __u32 index; + __u32 pad; + __u32 code; + __u32 width; + __u32 height; + struct v4l2_fract interval; + __u32 reserved[9]; +}; + #define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_pad_format) #define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_pad_format) +#define VIDIOC_SUBDEV_G_FRAME_INTERVAL \ + _IOWR('V', 6, struct v4l2_subdev_frame_interval) +#define VIDIOC_SUBDEV_S_FRAME_INTERVAL \ + _IOWR('V', 7, struct v4l2_subdev_frame_interval) #define VIDIOC_SUBDEV_ENUM_MBUS_CODE \ _IOWR('V', 8, struct v4l2_subdev_pad_mbus_code_enum) #define VIDIOC_SUBDEV_ENUM_FRAME_SIZE \ _IOWR('V', 9, struct v4l2_subdev_frame_size_enum) +#define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL \ + _IOWR('V', 10, struct v4l2_subdev_frame_interval_enum) #endif diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index acbcd8f..58ef923 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -245,6 +245,10 @@ struct v4l2_subdev_video_ops { int (*s_crop)(struct v4l2_subdev *sd, struct v4l2_crop *crop); int (*g_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param); int (*s_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param); + int (*g_frame_interval)(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *interval); + int (*s_frame_interval)(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *interval); int (*enum_framesizes)(struct v4l2_subdev *sd, struct v4l2_frmsizeenum *fsize); int (*enum_frameintervals)(struct v4l2_subdev *sd, struct v4l2_frmivalenum *fival); int (*enum_dv_presets) (struct v4l2_subdev *sd, @@ -406,6 +410,9 @@ struct v4l2_subdev_pad_ops { int (*enum_frame_size)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, struct v4l2_subdev_frame_size_enum *fse); + int (*enum_frame_interval)(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_interval_enum *fie); int (*get_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, unsigned int pad, struct v4l2_mbus_framefmt *fmt, enum v4l2_subdev_format which);