@@ -1,6 +1,6 @@
noinst_LTLIBRARIES = libmediactl.la libv4l2subdev.la libmediatext.la
-libmediactl_la_SOURCES = libmediactl.c mediactl-priv.h
+libmediactl_la_SOURCES = libmediactl.c mediactl-priv.h libv4l2media_ioctl.c libv4l2media_ioctl.h
libmediactl_la_CFLAGS = -static $(LIBUDEV_CFLAGS)
libmediactl_la_LDFLAGS = -static $(LIBUDEV_LIBS)
new file mode 100644
@@ -0,0 +1,325 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <linux/videodev2.h>
+#include <sys/syscall.h>
+
+#include "libv4l2media_ioctl.h"
+#include "../../utils/media-ctl/v4l2subdev.h"
+#include "mediactl-priv.h"
+#include "mediactl.h"
+
+#define SYS_IOCTL(fd, cmd, arg) \
+ syscall(SYS_ioctl, (int)(fd), (unsigned long)(cmd), (void *)(arg))
+
+int media_ioctl_ctrl(struct media_device *media, int request,
+ struct v4l2_control *arg)
+{
+ struct media_entity *entity = media->pipeline;
+ struct v4l2_control ctrl = *arg;
+ struct v4l2_queryctrl queryctrl;
+ int ret = -EINVAL;
+
+ /*
+ * The control has to be reset to the default value
+ * on all of the pipeline entities, prior setting a new
+ * value. This is required in cases when the control config
+ * is changed between subsequent calls to VIDIOC_S_CTRL,
+ * to avoid the situation when a control is set on more
+ * than one sub-device.
+ */
+ if (request == VIDIOC_S_CTRL) {
+ while (entity) {
+ queryctrl.id = ctrl.id;
+
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_QUERYCTRL,
+ &queryctrl);
+ if (ret < 0) {
+ entity = entity->next;
+ continue;
+ }
+
+ ctrl.value = queryctrl.default_value;
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_S_CTRL, &ctrl);
+ if (ret < 0)
+ return -EINVAL;
+
+ entity = entity->next;
+ }
+
+ ctrl.value = arg->value;
+ }
+
+ entity = v4l2_subdev_get_pipeline_entity_by_cid(media, ctrl.id);
+ if (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, request, &ctrl);
+ media_dbg(media, "Ioctl result for user control 0x%8.8x on %s: %d\n",
+ ctrl.id, entity->info.name, ret);
+ goto exit;
+ }
+
+ media_dbg(media, "No config for control id 0x%8.8x\n", ctrl.id);
+
+ /* Walk the pipeline until the request succeeds */
+ entity = media->pipeline;
+
+ while (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, request, &ctrl);
+ if (!ret) {
+ media_dbg(media, "Ioctl succeeded for user control 0x%8.8x on %s\n",
+ ctrl.id, entity->info.name);
+ goto exit;
+ }
+
+ entity = entity->next;
+ }
+
+ media_dbg(media, "Setting control 0x%8.8x failed\n", ctrl.id);
+
+exit:
+ *arg = ctrl;
+ return ret;
+}
+
+static int media_ioctl_single_ext_ctrl(struct media_device *media,
+ int request, struct v4l2_ext_controls *arg)
+{
+ struct media_entity *entity = media->pipeline;
+ struct v4l2_ext_controls ctrls = *arg;
+ struct v4l2_ext_control *ctrl;
+ struct v4l2_query_ext_ctrl queryctrl;
+ int ret = -EINVAL;
+
+ ctrl = &ctrls.controls[0];
+
+ /*
+ * The control has to be reset to the default value
+ * on all of the pipeline entities, prior setting a new
+ * value. This is required in cases when the control config
+ * is changed between subsequent calls to VIDIOC_S_EXT_CTRLS,
+ * to avoid the situation when a control is set on more
+ * than one sub-device.
+ */
+ if (request == VIDIOC_S_EXT_CTRLS) {
+ while (entity) {
+ queryctrl.id = ctrl->id;
+
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_QUERY_EXT_CTRL,
+ &queryctrl);
+ if (ret < 0) {
+ entity = entity->next;
+ continue;
+ }
+
+ ctrl->value64 = queryctrl.default_value;
+
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_S_EXT_CTRLS, &ctrls);
+ if (ret < 0)
+ return -EINVAL;
+
+ entity = entity->next;
+ }
+
+ ctrl->value64 = arg->controls[0].value64;
+ }
+
+ entity = v4l2_subdev_get_pipeline_entity_by_cid(media, ctrl->id);
+ if (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, request, &ctrls);
+ media_dbg(media, "Ioctl result for extended control 0x%8.8x on %s: %d\n",
+ ctrl->id, entity->info.name, ret);
+ goto exit;
+ }
+
+ media_dbg(media, "No config for control id 0x%8.8x\n", ctrl->id);
+
+ /* Walk the pipeline until the request succeeds */
+ entity = media->pipeline;
+
+ while (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, request, &ctrls);
+ if (!ret) {
+ media_dbg(media, "Ioctl succeeded for extended control 0x%8.8x on %s\n",
+ ctrl->id, entity->info.name);
+ goto exit;
+ }
+
+
+ entity = entity->next;
+ }
+
+exit:
+ *arg = ctrls;
+ return ret;
+}
+
+int media_ioctl_ext_ctrl(struct media_device *media, int request,
+ struct v4l2_ext_controls *arg)
+{
+ struct v4l2_ext_controls out_ctrls = *arg, ctrls = *arg;
+ int ret = -EINVAL, i;
+
+ ctrls.count = 1;
+
+ /*
+ * Split cluster to individual ioctl calls for each control
+ * from the array, to make possible redirection of every
+ * single control to different sub-device, according to the
+ * configuration settings.
+ */
+ for (i = 0; i < arg->count; ++i) {
+ ctrls.controls = &arg->controls[i];
+
+ ret = media_ioctl_single_ext_ctrl(media, request, &ctrls);
+ out_ctrls.controls[i] = ctrls.controls[i];
+ if (ret < 0) {
+ if (ctrls.error_idx == 1)
+ out_ctrls.error_idx = ctrls.count;
+ else
+ out_ctrls.error_idx = i;
+ goto exit;
+ }
+ }
+
+exit:
+ *arg = out_ctrls;
+ return ret;
+}
+
+int media_ioctl_queryctrl(struct media_device *media,
+ struct v4l2_queryctrl *arg)
+{
+ struct media_entity *entity = media->pipeline, *target_ent;
+ struct v4l2_queryctrl queryctrl = *arg;
+ int ret = -EINVAL;
+
+ while (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_QUERYCTRL, &queryctrl);
+ if (!ret) {
+ /*
+ * Control id might be or'ed with V4L2_CTRL_FLAG_NEXT_CTRL,
+ * therefore the check for the config settings must be
+ * done no sooner than after first successful ioctl execution
+ * on a pipeline sub-device.
+ */
+ target_ent = v4l2_subdev_get_pipeline_entity_by_cid(media, queryctrl.id);
+
+ /*
+ * If the control is in the config, then
+ * query the associated sub-device.
+ */
+ if (target_ent) {
+ media_dbg(media, "Queryctrl: \"%s\" control found in the config\n",
+ queryctrl.name);
+ /* Check if the control hasn't been already queried */
+ if (target_ent != entity)
+ ret = SYS_IOCTL(target_ent->sd->fd, VIDIOC_QUERYCTRL, &queryctrl);
+ }
+
+ media_dbg(media, "Queryctrl: \"%s\" control on %s (%d)\n",
+ queryctrl.name, target_ent ? target_ent->info.name :
+ entity->info.name,
+ ret);
+ break;
+ }
+
+ entity = entity->next;
+ }
+
+ *arg = queryctrl;
+ return ret;
+}
+
+int media_ioctl_query_ext_ctrl(struct media_device *media,
+ struct v4l2_query_ext_ctrl *arg)
+{
+ struct media_entity *entity = media->pipeline, *target_ent;
+ struct v4l2_query_ext_ctrl query_ext_ctrl = *arg;
+ int ret = -EINVAL;
+
+ while (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_QUERY_EXT_CTRL, &query_ext_ctrl);
+ if (!ret) {
+ /*
+ * Control id might be or'ed with V4L2_CTRL_FLAG_NEXT_CTRL,
+ * therefore the check for the config settings must be
+ * done no sooner than after first successful ioctl execution
+ * on a pipeline sub-device.
+ */
+ target_ent = v4l2_subdev_get_pipeline_entity_by_cid(media, query_ext_ctrl.id);
+ /*
+ * If the control is in the config, then
+ * query the associated sub-device.
+ */
+ if (target_ent) {
+ media_dbg(media, "Query ext control: \"%s\" found in config\n",
+ query_ext_ctrl.name);
+ /* Check if the control hasn't been already queried */
+ if (target_ent != entity)
+ ret = SYS_IOCTL(target_ent->sd->fd, VIDIOC_QUERY_EXT_CTRL,
+ &query_ext_ctrl);
+ }
+
+ media_dbg(media, "Query ext control: \"%s\" on %s (%d)\n",
+ query_ext_ctrl.name, target_ent ?
+ target_ent->info.name :
+ entity->info.name,
+ ret);
+ break;
+ }
+
+ entity = entity->next;
+ }
+
+ *arg = query_ext_ctrl;
+ return ret;
+}
+
+int media_ioctl_querymenu(struct media_device *media,
+ struct v4l2_querymenu *arg)
+{
+ struct media_entity *entity = media->pipeline;
+ struct v4l2_querymenu querymenu = *arg;
+ int ret = -EINVAL;
+
+ entity = v4l2_subdev_get_pipeline_entity_by_cid(media, querymenu.id);
+ if (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_QUERYMENU, &querymenu);
+ media_dbg(media, "Querymenu result for the control 0x%8.8x on %s: %d\n",
+ querymenu.id, entity->info.name, ret);
+ goto exit;
+ }
+
+ entity = media->pipeline;
+
+ while (entity) {
+ ret = SYS_IOCTL(entity->sd->fd, VIDIOC_QUERYMENU, &querymenu);
+ if (!ret) {
+ media_dbg(media, "Querymenu succeeded for the control 0x%8.8x on %s\n",
+ querymenu.id, entity->info.name);
+ goto exit;
+ }
+
+ entity = entity->next;
+ }
+
+exit:
+ *arg = querymenu;
+ return ret;
+}
new file mode 100644
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Jacek Anaszewski <j.anaszewski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ */
+
+#ifndef __LIBV4L2MEDIA_IOCTL_H
+#define __LIBV4L2MEDIA_IOCTL_H
+
+#include <linux/videodev2.h>
+
+struct media_device;
+
+int media_ioctl_ctrl(struct media_device *media, int request,
+ struct v4l2_control *arg);
+
+int media_ioctl_ext_ctrl(struct media_device *media, int request,
+ struct v4l2_ext_controls *arg);
+
+int media_ioctl_queryctrl(struct media_device *media,
+ struct v4l2_queryctrl *arg);
+
+int media_ioctl_query_ext_ctrl(struct media_device *media,
+ struct v4l2_query_ext_ctrl *arg);
+
+int media_ioctl_querymenu(struct media_device *media,
+ struct v4l2_querymenu *arg);
+
+#endif /* __LIBV4L2MEDIA_IOCTL_H */