1 files changed, 0 insertions, 470 deletions

diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
deleted file mode 100644
index 9182f81..0000000
--- a/drivers/media/video/v4l2-subdev.c
+++ /dev/null
@@ -1,470 +0,0 @@
-/*
- * V4L2 sub-device
- *
- * Copyright (C) 2010 Nokia Corporation
- *
- * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- *	    Sakari Ailus <sakari.ailus@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <linux/ioctl.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/videodev2.h>
-#include <linux/export.h>
-
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-fh.h>
-#include <media/v4l2-event.h>
-
-static int subdev_fh_init(struct v4l2_subdev_fh *fh, struct v4l2_subdev *sd)
-{
-#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
-	fh->pad = kzalloc(sizeof(*fh->pad) * sd->entity.num_pads, GFP_KERNEL);
-	if (fh->pad == NULL)
-		return -ENOMEM;
-#endif
-	return 0;
-}
-
-static void subdev_fh_free(struct v4l2_subdev_fh *fh)
-{
-#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
-	kfree(fh->pad);
-	fh->pad = NULL;
-#endif
-}
-
-static int subdev_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev);
-	struct v4l2_subdev_fh *subdev_fh;
-#if defined(CONFIG_MEDIA_CONTROLLER)
-	struct media_entity *entity = NULL;
-#endif
-	int ret;
-
-	subdev_fh = kzalloc(sizeof(*subdev_fh), GFP_KERNEL);
-	if (subdev_fh == NULL)
-		return -ENOMEM;
-
-	ret = subdev_fh_init(subdev_fh, sd);
-	if (ret) {
-		kfree(subdev_fh);
-		return ret;
-	}
-
-	v4l2_fh_init(&subdev_fh->vfh, vdev);
-	v4l2_fh_add(&subdev_fh->vfh);
-	file->private_data = &subdev_fh->vfh;
-#if defined(CONFIG_MEDIA_CONTROLLER)
-	if (sd->v4l2_dev->mdev) {
-		entity = media_entity_get(&sd->entity);
-		if (!entity) {
-			ret = -EBUSY;
-			goto err;
-		}
-	}
-#endif
-
-	if (sd->internal_ops && sd->internal_ops->open) {
-		ret = sd->internal_ops->open(sd, subdev_fh);
-		if (ret < 0)
-			goto err;
-	}
-
-	return 0;
-
-err:
-#if defined(CONFIG_MEDIA_CONTROLLER)
-	if (entity)
-		media_entity_put(entity);
-#endif
-	v4l2_fh_del(&subdev_fh->vfh);
-	v4l2_fh_exit(&subdev_fh->vfh);
-	subdev_fh_free(subdev_fh);
-	kfree(subdev_fh);
-
-	return ret;
-}
-
-static int subdev_close(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev);
-	struct v4l2_fh *vfh = file->private_data;
-	struct v4l2_subdev_fh *subdev_fh = to_v4l2_subdev_fh(vfh);
-
-	if (sd->internal_ops && sd->internal_ops->close)
-		sd->internal_ops->close(sd, subdev_fh);
-#if defined(CONFIG_MEDIA_CONTROLLER)
-	if (sd->v4l2_dev->mdev)
-		media_entity_put(&sd->entity);
-#endif
-	v4l2_fh_del(vfh);
-	v4l2_fh_exit(vfh);
-	subdev_fh_free(subdev_fh);
-	kfree(subdev_fh);
-	file->private_data = NULL;
-
-	return 0;
-}
-
-static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev);
-	struct v4l2_fh *vfh = file->private_data;
-#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
-	struct v4l2_subdev_fh *subdev_fh = to_v4l2_subdev_fh(vfh);
-#endif
-
-	switch (cmd) {
-	case VIDIOC_QUERYCTRL:
-		return v4l2_queryctrl(vfh->ctrl_handler, arg);
-
-	case VIDIOC_QUERYMENU:
-		return v4l2_querymenu(vfh->ctrl_handler, arg);
-
-	case VIDIOC_G_CTRL:
-		return v4l2_g_ctrl(vfh->ctrl_handler, arg);
-
-	case VIDIOC_S_CTRL:
-		return v4l2_s_ctrl(vfh, vfh->ctrl_handler, arg);
-
-	case VIDIOC_G_EXT_CTRLS:
-		return v4l2_g_ext_ctrls(vfh->ctrl_handler, arg);
-
-	case VIDIOC_S_EXT_CTRLS:
-		return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, arg);
-
-	case VIDIOC_TRY_EXT_CTRLS:
-		return v4l2_try_ext_ctrls(vfh->ctrl_handler, arg);
-
-	case VIDIOC_DQEVENT:
-		if (!(sd->flags & V4L2_SUBDEV_FL_HAS_EVENTS))
-			return -ENOIOCTLCMD;
-
-		return v4l2_event_dequeue(vfh, arg, file->f_flags & O_NONBLOCK);
-
-	case VIDIOC_SUBSCRIBE_EVENT:
-		return v4l2_subdev_call(sd, core, subscribe_event, vfh, arg);
-
-	case VIDIOC_UNSUBSCRIBE_EVENT:
-		return v4l2_subdev_call(sd, core, unsubscribe_event, vfh, arg);
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-	case VIDIOC_DBG_G_REGISTER:
-	{
-		struct v4l2_dbg_register *p = arg;
-
-		if (!capable(CAP_SYS_ADMIN))
-			return -EPERM;
-		return v4l2_subdev_call(sd, core, g_register, p);
-	}
-	case VIDIOC_DBG_S_REGISTER:
-	{
-		struct v4l2_dbg_register *p = arg;
-
-		if (!capable(CAP_SYS_ADMIN))
-			return -EPERM;
-		return v4l2_subdev_call(sd, core, s_register, p);
-	}
-#endif
-
-	case VIDIOC_LOG_STATUS: {
-		int ret;
-
-		pr_info("%s: =================  START STATUS  =================\n",
-			sd->name);
-		ret = v4l2_subdev_call(sd, core, log_status);
-		pr_info("%s: ==================  END STATUS  ==================\n",
-			sd->name);
-		return ret;
-	}
-
-#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
-	case VIDIOC_SUBDEV_G_FMT: {
-		struct v4l2_subdev_format *format = arg;
-
-		if (format->which != V4L2_SUBDEV_FORMAT_TRY &&
-		    format->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-			return -EINVAL;
-
-		if (format->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		return v4l2_subdev_call(sd, pad, get_fmt, subdev_fh, format);
-	}
-
-	case VIDIOC_SUBDEV_S_FMT: {
-		struct v4l2_subdev_format *format = arg;
-
-		if (format->which != V4L2_SUBDEV_FORMAT_TRY &&
-		    format->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-			return -EINVAL;
-
-		if (format->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh, format);
-	}
-
-	case VIDIOC_SUBDEV_G_CROP: {
-		struct v4l2_subdev_crop *crop = arg;
-		struct v4l2_subdev_selection sel;
-		int rval;
-
-		if (crop->which != V4L2_SUBDEV_FORMAT_TRY &&
-		    crop->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-			return -EINVAL;
-
-		if (crop->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		rval = v4l2_subdev_call(sd, pad, get_crop, subdev_fh, crop);
-		if (rval != -ENOIOCTLCMD)
-			return rval;
-
-		memset(&sel, 0, sizeof(sel));
-		sel.which = crop->which;
-		sel.pad = crop->pad;
-		sel.target = V4L2_SEL_TGT_CROP;
-
-		rval = v4l2_subdev_call(
-			sd, pad, get_selection, subdev_fh, &sel);
-
-		crop->rect = sel.r;
-
-		return rval;
-	}
-
-	case VIDIOC_SUBDEV_S_CROP: {
-		struct v4l2_subdev_crop *crop = arg;
-		struct v4l2_subdev_selection sel;
-		int rval;
-
-		if (crop->which != V4L2_SUBDEV_FORMAT_TRY &&
-		    crop->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-			return -EINVAL;
-
-		if (crop->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		rval = v4l2_subdev_call(sd, pad, set_crop, subdev_fh, crop);
-		if (rval != -ENOIOCTLCMD)
-			return rval;
-
-		memset(&sel, 0, sizeof(sel));
-		sel.which = crop->which;
-		sel.pad = crop->pad;
-		sel.target = V4L2_SEL_TGT_CROP;
-		sel.r = crop->rect;
-
-		rval = v4l2_subdev_call(
-			sd, pad, set_selection, subdev_fh, &sel);
-
-		crop->rect = sel.r;
-
-		return rval;
-	}
-
-	case VIDIOC_SUBDEV_ENUM_MBUS_CODE: {
-		struct v4l2_subdev_mbus_code_enum *code = arg;
-
-		if (code->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		return v4l2_subdev_call(sd, pad, enum_mbus_code, subdev_fh,
-					code);
-	}
-
-	case VIDIOC_SUBDEV_ENUM_FRAME_SIZE: {
-		struct v4l2_subdev_frame_size_enum *fse = arg;
-
-		if (fse->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		return v4l2_subdev_call(sd, pad, enum_frame_size, subdev_fh,
-					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);
-	}
-
-	case VIDIOC_SUBDEV_G_SELECTION: {
-		struct v4l2_subdev_selection *sel = arg;
-
-		if (sel->which != V4L2_SUBDEV_FORMAT_TRY &&
-		    sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-			return -EINVAL;
-
-		if (sel->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		return v4l2_subdev_call(
-			sd, pad, get_selection, subdev_fh, sel);
-	}
-
-	case VIDIOC_SUBDEV_S_SELECTION: {
-		struct v4l2_subdev_selection *sel = arg;
-
-		if (sel->which != V4L2_SUBDEV_FORMAT_TRY &&
-		    sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-			return -EINVAL;
-
-		if (sel->pad >= sd->entity.num_pads)
-			return -EINVAL;
-
-		return v4l2_subdev_call(
-			sd, pad, set_selection, subdev_fh, sel);
-	}
-#endif
-	default:
-		return v4l2_subdev_call(sd, core, ioctl, cmd, arg);
-	}
-
-	return 0;
-}
-
-static long subdev_ioctl(struct file *file, unsigned int cmd,
-	unsigned long arg)
-{
-	return video_usercopy(file, cmd, arg, subdev_do_ioctl);
-}
-
-static unsigned int subdev_poll(struct file *file, poll_table *wait)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev);
-	struct v4l2_fh *fh = file->private_data;
-
-	if (!(sd->flags & V4L2_SUBDEV_FL_HAS_EVENTS))
-		return POLLERR;
-
-	poll_wait(file, &fh->wait, wait);
-
-	if (v4l2_event_pending(fh))
-		return POLLPRI;
-
-	return 0;
-}
-
-const struct v4l2_file_operations v4l2_subdev_fops = {
-	.owner = THIS_MODULE,
-	.open = subdev_open,
-	.unlocked_ioctl = subdev_ioctl,
-	.release = subdev_close,
-	.poll = subdev_poll,
-};
-
-#ifdef CONFIG_MEDIA_CONTROLLER
-int v4l2_subdev_link_validate_default(struct v4l2_subdev *sd,
-				      struct media_link *link,
-				      struct v4l2_subdev_format *source_fmt,
-				      struct v4l2_subdev_format *sink_fmt)
-{
-	if (source_fmt->format.width != sink_fmt->format.width
-	    || source_fmt->format.height != sink_fmt->format.height
-	    || source_fmt->format.code != sink_fmt->format.code)
-		return -EINVAL;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(v4l2_subdev_link_validate_default);
-
-static int
-v4l2_subdev_link_validate_get_format(struct media_pad *pad,
-				     struct v4l2_subdev_format *fmt)
-{
-	switch (media_entity_type(pad->entity)) {
-	case MEDIA_ENT_T_V4L2_SUBDEV:
-		fmt->which = V4L2_SUBDEV_FORMAT_ACTIVE;
-		fmt->pad = pad->index;
-		return v4l2_subdev_call(media_entity_to_v4l2_subdev(
-						pad->entity),
-					pad, get_fmt, NULL, fmt);
-	default:
-		WARN(1, "Driver bug! Wrong media entity type %d, entity %s\n",
-		     media_entity_type(pad->entity), pad->entity->name);
-		/* Fall through */
-	case MEDIA_ENT_T_DEVNODE_V4L:
-		return -EINVAL;
-	}
-}
-
-int v4l2_subdev_link_validate(struct media_link *link)
-{
-	struct v4l2_subdev *sink;
-	struct v4l2_subdev_format sink_fmt, source_fmt;
-	int rval;
-
-	rval = v4l2_subdev_link_validate_get_format(
-		link->source, &source_fmt);
-	if (rval < 0)
-		return 0;
-
-	rval = v4l2_subdev_link_validate_get_format(
-		link->sink, &sink_fmt);
-	if (rval < 0)
-		return 0;
-
-	sink = media_entity_to_v4l2_subdev(link->sink->entity);
-
-	rval = v4l2_subdev_call(sink, pad, link_validate, link,
-				&source_fmt, &sink_fmt);
-	if (rval != -ENOIOCTLCMD)
-		return rval;
-
-	return v4l2_subdev_link_validate_default(
-		sink, link, &source_fmt, &sink_fmt);
-}
-EXPORT_SYMBOL_GPL(v4l2_subdev_link_validate);
-#endif /* CONFIG_MEDIA_CONTROLLER */
-
-void v4l2_subdev_init(struct v4l2_subdev *sd, const struct v4l2_subdev_ops *ops)
-{
-	INIT_LIST_HEAD(&sd->list);
-	BUG_ON(!ops);
-	sd->ops = ops;
-	sd->v4l2_dev = NULL;
-	sd->flags = 0;
-	sd->name[0] = '\0';
-	sd->grp_id = 0;
-	sd->dev_priv = NULL;
-	sd->host_priv = NULL;
-#if defined(CONFIG_MEDIA_CONTROLLER)
-	sd->entity.name = sd->name;
-	sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
-#endif
-}
-EXPORT_SYMBOL(v4l2_subdev_init);