@@ -17,6 +17,7 @@ AC_CONFIG_FILES([Makefile
lib/libdvbv5/Makefile
lib/libv4l2rds/Makefile
lib/libv4l-mplane/Makefile
+ lib/libv4l-exynos4-camera/Makefile
utils/Makefile
utils/libv4l2util/Makefile
@@ -5,6 +5,11 @@ SUBDIRS = \
libv4l2rds \
libv4l-mplane
+if WITH_V4LUTILS
+SUBDIRS += \
+ libv4l-exynos4-camera
+endif
+
if LINUX_OS
SUBDIRS += \
libdvbv5
new file mode 100644
@@ -0,0 +1,7 @@
+if WITH_V4L_PLUGINS
+libv4l2plugin_LTLIBRARIES = libv4l-exynos4-camera.la
+endif
+
+libv4l_exynos4_camera_la_SOURCES = libv4l-exynos4-camera.c ../../utils/media-ctl/libmediactl.c ../../utils/media-ctl/libv4l2subdev.c ../../utils/media-ctl/libv4l2media_ioctl.c ../../utils/media-ctl/mediatext.c
+libv4l_exynos4_camera_la_CFLAGS = -fvisibility=hidden -std=gnu99
+libv4l_exynos4_camera_la_LDFLAGS = -avoid-version -module -shared -export-dynamic -lpthread
new file mode 100644
@@ -0,0 +1,620 @@
+/*
+ * Copyright (c) 2016 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 <config.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/syscall.h>
+#include <linux/types.h>
+
+#include "../../utils/media-ctl/libv4l2media_ioctl.h"
+#include "../../utils/media-ctl/mediactl.h"
+#include "../../utils/media-ctl/mediatext.h"
+#include "../../utils/media-ctl/v4l2subdev.h"
+#include "libv4l-plugin.h"
+
+struct media_device;
+struct media_entity;
+
+/*
+ * struct exynos4_camera_plugin - libv4l exynos4 camera plugin
+ * @media: media device comprising the vid_fd related video device
+ */
+struct exynos4_camera_plugin {
+ struct media_device *media;
+ struct media_entity *sink_entity;
+};
+
+#ifdef DEBUG
+#define V4L2_EXYNOS4_DBG(format, ARG...)\
+ printf("[%s:%d] [%s] " format " \n", __FILE__, __LINE__, __func__, ##ARG)
+#else
+#define V4L2_EXYNOS4_DBG(format, ARG...)
+#endif
+
+#define V4L2_EXYNOS4_ERR(format, ARG...)\
+ fprintf(stderr, "Libv4l Exynos4 camera plugin: "format "\n", ##ARG)
+
+#define V4L2_EXYNOS4_LOG(format, ARG...)\
+ fprintf(stdout, "Libv4l Exynos4 camera plugin: "format "\n", ##ARG)
+
+#if HAVE_VISIBILITY
+#define PLUGIN_PUBLIC __attribute__ ((visibility("default")))
+#else
+#define PLUGIN_PUBLIC
+#endif
+
+#define SYS_IOCTL(fd, cmd, arg) \
+ syscall(SYS_ioctl, (int)(fd), (unsigned long)(cmd), (void *)(arg))
+
+#define SIMPLE_CONVERT_IOCTL(fd, cmd, arg, __struc) ({ \
+ int __ret; \
+ struct __struc *req = arg; \
+ uint32_t type = req->type; \
+ req->type = convert_type(type); \
+ __ret = SYS_IOCTL(fd, cmd, arg); \
+ req->type = type; \
+ __ret; \
+ })
+
+#ifndef min
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef max
+#define max(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+
+
+#define EXYNOS4_FIMC_DRV "exynos4-fimc"
+#define EXYNOS4_FIMC_LITE_DRV "exynos-fimc-lit"
+#define EXYNOS4_FIMC_IS_ISP_DRV "exynos4-fimc-is"
+#define ENTITY_CAPTURE_SEGMENT "capture"
+#define EXYNOS4_CAPTURE_CONF "/var/lib/libv4l/exynos4_capture_conf"
+#define EXYNOS4_FIMC_IS_ISP "FIMC-IS-ISP"
+#define EXYNOS4_S5K6A3 "S5K6A3"
+#define EXYNOS4_FIMC_LITE "FIMC-LITE."
+#define EXYNOS4_FIMC_PREFIX "FIMC."
+#define MAX_FMT_NEGO_NUM 50
+
+
+static int __capture_entity(const char *name)
+{
+ int cap_segment_pos;
+
+ if (name == NULL)
+ return 0;
+
+ cap_segment_pos = strlen(name) - strlen(ENTITY_CAPTURE_SEGMENT);
+
+ if (strcmp(name + cap_segment_pos, ENTITY_CAPTURE_SEGMENT) == 0)
+ return 1;
+
+ return 0;
+}
+
+static int __adjust_format_to_fimc_is_isp(struct v4l2_mbus_framefmt *mbus_fmt)
+{
+ if (mbus_fmt == NULL)
+ return -EINVAL;
+
+ mbus_fmt->width = max(128, mbus_fmt->width);
+ mbus_fmt->height = max(128, mbus_fmt->height);
+
+ mbus_fmt->width += 16;
+ mbus_fmt->height += 12;
+
+ return 0;
+}
+
+static int negotiate_pipeline_fmt(struct media_entity *pipeline,
+ struct v4l2_format *dev_fmt)
+{
+ struct media_entity *entity = pipeline;
+ struct v4l2_mbus_framefmt mbus_fmt = { 0 }, common_fmt;
+ int repeat_negotiation, cnt_negotiation = 0, ret, pad_id;
+ enum v4l2_subdev_fmt_mismatch fmt_err;
+
+ if (pipeline == NULL || dev_fmt == NULL)
+ return -EINVAL;
+
+ mbus_fmt.width = dev_fmt->fmt.pix_mp.width;
+ mbus_fmt.height = dev_fmt->fmt.pix_mp.height;
+ mbus_fmt.field = dev_fmt->fmt.pix_mp.field;
+ mbus_fmt.colorspace = dev_fmt->fmt.pix_mp.colorspace;
+
+ if (media_has_pipeline_entity(entity, EXYNOS4_FIMC_IS_ISP)) {
+ ret = __adjust_format_to_fimc_is_isp(&mbus_fmt);
+ if (ret < 0)
+ return ret;
+ }
+
+ V4L2_EXYNOS4_DBG("Begin pipeline format negotiation...");
+
+ for (;;) {
+ repeat_negotiation = 0;
+ entity = pipeline;
+
+ pad_id = media_entity_get_src_pad_index(entity);
+
+ V4L2_EXYNOS4_DBG("Setting format on the source entity pad %s:%d",
+ media_entity_get_name(entity), pad_id);
+
+ ret = v4l2_subdev_set_format(entity, &mbus_fmt,
+ pad_id, V4L2_SUBDEV_FORMAT_TRY);
+ if (ret < 0)
+ return ret;
+
+ V4L2_EXYNOS4_DBG("Format set on the pad %s:%d: mcode: %s, cs: %s, w: %d, h: %d",
+ media_entity_get_name(entity), pad_id,
+ v4l2_subdev_pixelcode_to_string(mbus_fmt.code),
+ v4l2_subdev_colorspace_to_string(mbus_fmt.colorspace),
+ mbus_fmt.width, mbus_fmt.height);
+
+ common_fmt = mbus_fmt;
+
+ entity = media_entity_get_next(entity);
+
+ while (entity) {
+ pad_id = media_entity_get_sink_pad_index(entity);
+
+ /* Set format on the entity sink pad */
+ V4L2_EXYNOS4_DBG("Setting format on the pad %s:%d: mcode: %s, cs: %s, w: %d, h: %d",
+ media_entity_get_name(entity), pad_id,
+ v4l2_subdev_pixelcode_to_string(mbus_fmt.code),
+ v4l2_subdev_colorspace_to_string(mbus_fmt.colorspace),
+ mbus_fmt.width, mbus_fmt.height);
+
+ ret = v4l2_subdev_set_format(entity, &mbus_fmt, pad_id,
+ V4L2_SUBDEV_FORMAT_TRY);
+ if (ret < 0)
+ return ret;
+
+ fmt_err = v4l2_subdev_format_compare(&mbus_fmt, &common_fmt);
+ if (fmt_err) {
+ if (fmt_err == FMT_MISMATCH_WIDTH &&
+ !strncmp(media_entity_get_name(entity),
+ EXYNOS4_FIMC_LITE,
+ strlen(EXYNOS4_FIMC_LITE))) {
+ /*
+ * Align width downwards, according to the FIMC-LITE
+ * width step. Otherwise pipeline format negotiation
+ * wouldn't succeed for widths excessing maximum sensor
+ * frame width, which is being probed by GStreamer,
+ * no matter what actual frame size is to be set.
+ */
+ mbus_fmt.width -= 8;
+ }
+ repeat_negotiation = 1;
+ break;
+ }
+
+ /*
+ * Do not check format on FIMC.[n] source pad
+ * and stop negotiation.
+ */
+ if (!strncmp(media_entity_get_name(entity),
+ EXYNOS4_FIMC_PREFIX,
+ strlen(EXYNOS4_FIMC_PREFIX)))
+ break;
+
+ pad_id = media_entity_get_src_pad_index(entity);
+
+ /* Get format on the entity src pad */
+ ret = v4l2_subdev_get_format(entity, &mbus_fmt, pad_id,
+ V4L2_SUBDEV_FORMAT_TRY);
+ if (ret < 0)
+ return -EINVAL;
+
+ V4L2_EXYNOS4_DBG("Format propagated to the pad %s:%d: mcode: %s, cs: %s, w: %d, h: %d",
+ media_entity_get_name(entity), pad_id,
+ v4l2_subdev_pixelcode_to_string(mbus_fmt.code),
+ v4l2_subdev_colorspace_to_string(mbus_fmt.colorspace),
+ mbus_fmt.width, mbus_fmt.height);
+
+ if (!strcmp(media_entity_get_name(entity),
+ EXYNOS4_FIMC_IS_ISP)) {
+ common_fmt.code = mbus_fmt.code;
+ common_fmt.colorspace = mbus_fmt.colorspace;
+ common_fmt.width -= 16;
+ common_fmt.height -= 12;
+ }
+
+ if (v4l2_subdev_format_compare(&mbus_fmt, &common_fmt)) {
+ repeat_negotiation = 1;
+ break;
+ }
+
+ entity = media_entity_get_next(entity);
+
+ /*
+ * Stop if this is last element in the
+ * pipeline as it is not a sub-device.
+ */
+ if (media_entity_get_next(entity) == NULL)
+ break;
+ }
+
+ if (!repeat_negotiation) {
+ break;
+ } else if (++cnt_negotiation > MAX_FMT_NEGO_NUM) {
+ V4L2_EXYNOS4_DBG("Pipeline format negotiation failed!");
+ return -EINVAL;
+ }
+ }
+
+ dev_fmt->fmt.pix_mp.width = mbus_fmt.width;
+ dev_fmt->fmt.pix_mp.height = mbus_fmt.height;
+ dev_fmt->fmt.pix_mp.field = mbus_fmt.field;
+ dev_fmt->fmt.pix_mp.colorspace = mbus_fmt.colorspace;
+
+ V4L2_EXYNOS4_DBG("Pipeline format successfuly negotiated");
+
+ return 0;
+}
+
+static __u32 convert_type(__u32 type)
+{
+ switch (type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ default:
+ return type;
+ }
+}
+
+static int set_fmt_ioctl(struct media_device *media,
+ unsigned long int cmd,
+ struct v4l2_format *arg,
+ enum v4l2_subdev_format_whence set_mode)
+{
+ struct v4l2_format fmt = { 0 };
+ int ret;
+
+ fmt.type = convert_type(arg->type);
+ if (fmt.type != arg->type) {
+ fmt.fmt.pix_mp.width = arg->fmt.pix.width;
+ fmt.fmt.pix_mp.height = arg->fmt.pix.height;
+ fmt.fmt.pix_mp.pixelformat = arg->fmt.pix.pixelformat;
+ fmt.fmt.pix_mp.field = arg->fmt.pix.field;
+ fmt.fmt.pix_mp.colorspace = arg->fmt.pix.colorspace;
+ fmt.fmt.pix_mp.num_planes = 1;
+ fmt.fmt.pix_mp.flags = arg->fmt.pix.flags;
+ fmt.fmt.pix_mp.plane_fmt[0].bytesperline = arg->fmt.pix.bytesperline;
+ fmt.fmt.pix_mp.plane_fmt[0].sizeimage = arg->fmt.pix.sizeimage;
+ } else {
+ fmt = *arg;
+ }
+
+ ret = negotiate_pipeline_fmt(media_get_pipeline(media), &fmt);
+ if (ret < 0)
+ return ret;
+
+ if (set_mode == V4L2_SUBDEV_FORMAT_ACTIVE) {
+ ret = v4l2_subdev_apply_pipeline_fmt(media, &fmt);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (fmt.type != arg->type) {
+ arg->fmt.pix.width = fmt.fmt.pix_mp.width;
+ arg->fmt.pix.height = fmt.fmt.pix_mp.height;
+ arg->fmt.pix.pixelformat = fmt.fmt.pix_mp.pixelformat;
+ arg->fmt.pix.field = fmt.fmt.pix_mp.field;
+ arg->fmt.pix.colorspace = fmt.fmt.pix_mp.colorspace;
+ arg->fmt.pix.bytesperline = fmt.fmt.pix_mp.plane_fmt[0].bytesperline;
+ arg->fmt.pix.sizeimage = fmt.fmt.pix_mp.plane_fmt[0].sizeimage;
+ arg->fmt.pix.flags = fmt.fmt.pix_mp.flags;
+ } else {
+ *arg = fmt;
+ }
+
+ return 0;
+}
+
+static int get_fmt_ioctl(int fd,
+ unsigned long int cmd,
+ struct v4l2_format *arg)
+{
+ struct v4l2_format fmt = { 0 };
+ int ret;
+
+ fmt.type = convert_type(arg->type);
+
+ if (fmt.type == arg->type)
+ return SYS_IOCTL(fd, cmd, arg);
+
+ ret = SYS_IOCTL(fd, cmd, &fmt);
+ if (ret < 0)
+ return ret;
+
+ memset(&arg->fmt.pix, 0, sizeof(arg->fmt.pix));
+ arg->fmt.pix.width = fmt.fmt.pix_mp.width;
+ arg->fmt.pix.height = fmt.fmt.pix_mp.height;
+ arg->fmt.pix.pixelformat = fmt.fmt.pix_mp.pixelformat;
+ arg->fmt.pix.field = fmt.fmt.pix_mp.field;
+ arg->fmt.pix.colorspace = fmt.fmt.pix_mp.colorspace;
+ arg->fmt.pix.bytesperline = fmt.fmt.pix_mp.plane_fmt[0].bytesperline;
+ arg->fmt.pix.sizeimage = fmt.fmt.pix_mp.plane_fmt[0].sizeimage;
+ arg->fmt.pix.flags = fmt.fmt.pix_mp.flags;
+
+ return ret;
+}
+
+static int buf_ioctl(int fd,
+ unsigned long int cmd,
+ struct v4l2_buffer *arg)
+{
+ struct v4l2_buffer buf = *arg;
+ struct v4l2_plane plane = { 0 };
+ int ret;
+
+ buf.type = convert_type(arg->type);
+
+ if (buf.type == arg->type)
+ return SYS_IOCTL(fd, cmd, arg);
+
+ memcpy(&plane.m, &arg->m, sizeof(plane.m));
+ plane.length = arg->length;
+ plane.bytesused = arg->bytesused;
+
+ buf.m.planes = &plane;
+ buf.length = 1;
+
+ ret = SYS_IOCTL(fd, cmd, &buf);
+
+ arg->index = buf.index;
+ arg->memory = buf.memory;
+ arg->flags = buf.flags;
+ arg->field = buf.field;
+ arg->timestamp = buf.timestamp;
+ arg->timecode = buf.timecode;
+ arg->sequence = buf.sequence;
+
+ arg->length = plane.length;
+ arg->bytesused = plane.bytesused;
+ memcpy(&arg->m, &plane.m, sizeof(arg->m));
+
+ return ret;
+}
+
+static int querycap_ioctl(int fd, struct v4l2_capability *arg)
+{
+ int ret;
+
+ ret = SYS_IOCTL(fd, VIDIOC_QUERYCAP, arg);
+ if (ret < 0)
+ return ret;
+
+ arg->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
+ arg->capabilities |= V4L2_CAP_VIDEO_CAPTURE;
+
+ return ret;
+}
+
+static void *plugin_init(int fd)
+{
+ struct v4l2_capability cap = { 0 };
+ struct exynos4_camera_plugin *plugin = NULL;
+ const char *sink_entity_name;
+ struct media_device *media;
+ struct media_entity *sink_entity;
+ char video_devname[32];
+ int ret;
+
+ ret = SYS_IOCTL(fd, VIDIOC_QUERYCAP, &cap);
+ if (ret < 0) {
+ V4L2_EXYNOS4_ERR("Failed to query video capabilities.");
+ return NULL;
+ }
+
+ /* Check if this is Exynos4 media device */
+ if (strcmp((char *) cap.driver, EXYNOS4_FIMC_DRV) &&
+ strcmp((char *) cap.driver, EXYNOS4_FIMC_LITE_DRV) &&
+ strcmp((char *) cap.driver, EXYNOS4_FIMC_IS_ISP_DRV)) {
+ V4L2_EXYNOS4_ERR("Not an Exynos4 media device.");
+ return NULL;
+ }
+
+ /* Obtain the node name of the opened device */
+ ret = media_get_devname_by_fd(fd, video_devname);
+ if (ret < 0) {
+ V4L2_EXYNOS4_ERR("Failed to get video device node name.");
+ return NULL;
+ }
+
+ /*
+ * Create the representation of a media device
+ * containing the opened video device.
+ */
+ media = media_device_new_by_entity_devname(video_devname);
+ if (media == NULL) {
+ V4L2_EXYNOS4_ERR("Failed to create media device.");
+ return NULL;
+ }
+
+#ifdef DEBUG
+ media_debug_set_handler(media, (void (*)(void *, ...))fprintf, stdout);
+#endif
+
+ /* Get the entity representing the opened video device node */
+ sink_entity = media_get_entity_by_devname(media, video_devname,
+ strlen(video_devname));
+ if (sink_entity == NULL) {
+ V4L2_EXYNOS4_ERR("Failed to get sink entity name.");
+ goto err_get_sink_entity;
+ }
+
+ /*
+ * Initialize sink_entity subdev fd with the one opened
+ * by the libv4l core to avoid losing it on pipeline opening.
+ */
+ v4l2_subdev_create_with_fd(sink_entity, fd);
+
+ sink_entity_name = media_entity_get_name(sink_entity);
+
+ /* Check if video entity is of capture type, not m2m */
+ if (!__capture_entity(sink_entity_name)) {
+ V4L2_EXYNOS4_ERR("Device not of capture type.");
+ goto err_get_sink_entity;
+ }
+
+ /* Parse media configuration file and apply its settings */
+ ret = mediatext_parse_setup_config(media, EXYNOS4_CAPTURE_CONF);
+ if (ret < 0) {
+ V4L2_EXYNOS4_ERR("Media config parser error.");
+ goto err_get_sink_entity;
+ }
+
+ /*
+ * Discover the pipeline of sub-devices from a camera sensor
+ * to the opened video device.
+ */
+ ret = media_discover_pipeline_by_entity(media, sink_entity);
+ if (ret < 0) {
+ V4L2_EXYNOS4_ERR("Error discovering video pipeline.");
+ goto err_get_sink_entity;
+ }
+
+ /* Open all sub-devices in the discovered pipeline */
+ ret = v4l2_subdev_open_pipeline(media);
+ if (ret < 0) {
+ V4L2_EXYNOS4_ERR("Error opening video pipeline.");
+ goto err_get_sink_entity;
+ }
+
+ /* Allocate private data */
+ plugin = calloc(1, sizeof(*plugin));
+ if (!plugin)
+ goto err_validate_controls;
+
+ plugin->media = media;
+ plugin->sink_entity = sink_entity;
+
+ V4L2_EXYNOS4_LOG("Initialized exynos4-camera plugin.");
+
+ return plugin;
+
+err_validate_controls:
+ v4l2_subdev_release(sink_entity, false);
+ v4l2_subdev_release_pipeline(media);
+err_get_sink_entity:
+ if (media)
+ media_device_unref(media);
+ return NULL;
+}
+
+static void plugin_close(void *dev_ops_priv)
+{
+ struct exynos4_camera_plugin *plugin = dev_ops_priv;
+ struct media_device *media;
+
+ if (plugin == NULL)
+ return;
+
+ /* release sink entity sub-device, but don't close fd */
+ v4l2_subdev_release(plugin->sink_entity, false);
+
+ media = plugin->media;
+ v4l2_subdev_release_pipeline(media);
+ media_device_unref(media);
+
+ free(plugin);
+}
+
+static int plugin_ioctl(void *dev_ops_priv, int fd, unsigned long int cmd,
+ void *arg)
+{
+ struct exynos4_camera_plugin *plugin = dev_ops_priv;
+ struct media_device *media;
+
+ if (plugin == NULL || arg == NULL)
+ return -EINVAL;
+
+ media = plugin->media;
+
+ if (media == NULL)
+ return -EINVAL;
+
+ switch (cmd) {
+ case VIDIOC_S_CTRL:
+ case VIDIOC_G_CTRL:
+ return media_ioctl_ctrl(media, cmd, arg);
+ case VIDIOC_S_EXT_CTRLS:
+ case VIDIOC_G_EXT_CTRLS:
+ case VIDIOC_TRY_EXT_CTRLS:
+ return media_ioctl_ext_ctrl(media, cmd, arg);
+ case VIDIOC_QUERYCTRL:
+ return media_ioctl_queryctrl(media, arg);
+ case VIDIOC_QUERY_EXT_CTRL:
+ return media_ioctl_query_ext_ctrl(media, arg);
+ case VIDIOC_QUERYMENU:
+ return media_ioctl_querymenu(media, arg);
+ case VIDIOC_TRY_FMT:
+ return set_fmt_ioctl(media, cmd, arg,
+ V4L2_SUBDEV_FORMAT_TRY);
+ case VIDIOC_S_FMT:
+ return set_fmt_ioctl(media, cmd, arg,
+ V4L2_SUBDEV_FORMAT_ACTIVE);
+ case VIDIOC_G_FMT:
+ return get_fmt_ioctl(fd, cmd, arg);
+ case VIDIOC_QUERYCAP:
+ return querycap_ioctl(fd, arg);
+ case VIDIOC_QBUF:
+ case VIDIOC_DQBUF:
+ case VIDIOC_QUERYBUF:
+ case VIDIOC_PREPARE_BUF:
+ return buf_ioctl(fd, cmd, arg);
+ case VIDIOC_REQBUFS:
+ return SIMPLE_CONVERT_IOCTL(fd, cmd, arg,
+ v4l2_requestbuffers);
+ case VIDIOC_ENUM_FMT:
+ return SIMPLE_CONVERT_IOCTL(fd, cmd, arg, v4l2_fmtdesc);
+ case VIDIOC_CROPCAP:
+ return SIMPLE_CONVERT_IOCTL(fd, cmd, arg, v4l2_cropcap);
+ case VIDIOC_STREAMON:
+ case VIDIOC_STREAMOFF:
+ {
+ int *arg_type = (int *) arg;
+ __u32 type;
+
+ type = convert_type(*arg_type);
+
+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ V4L2_EXYNOS4_ERR("Invalid buffer type.");
+ return -EINVAL;
+ }
+
+ return SYS_IOCTL(fd, cmd, &type);
+ }
+
+ default:
+ return SYS_IOCTL(fd, cmd, arg);
+ }
+}
+
+PLUGIN_PUBLIC const struct libv4l_dev_ops libv4l2_plugin = {
+ .init = &plugin_init,
+ .close = &plugin_close,
+ .ioctl = &plugin_ioctl,
+};