Add initial source code

Change-Id: I285a55c44c9fd5d3a8abaa781ef9dc8d9d39f53a
Signed-off-by: HyunKyung Kim <hk310.kim@samsung.com>

1 files changed, 1807 insertions, 0 deletions

diff --git a/libgscaler/libgscaler_obj.cpp b/libgscaler/libgscaler_obj.cpp
new file mode 100644
index 0000000..7a38f49
--- /dev/null
+++ b/libgscaler/libgscaler_obj.cpp
@@ -0,0 +1,1807 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * Copyright@ Samsung Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*!
+ * \file      libgscaler_obj.cpp
+ * \brief     source file for Gscaler HAL
+ * \author    Sungchun Kang (sungchun.kang@samsung.com)
+ * \date      2013/06/01
+ *
+ * <b>Revision History: </b>
+ * - 2013.06.01 : Sungchun Kang (sungchun.kang@samsung.com) \n
+ *   Create
+ */
+
+#include <cstdio>
+#include <cerrno>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <linux/v4l2-mediabus.h>
+
+#include <exynos_scaler.h>
+
+#include "libgscaler_media.h"
+#include "libgscaler_obj.h"
+
+// Definitions of values that are not present in enum v4l2_mbus_pixelcode
+#define V4L2_MBUS_FMT_XRGB8888_4X8_LE 0x1009
+#define V4L2_MBUS_FMT_YUV8_1X24       0x2014
+
+#define V4L2_CID_EXYNOS_BASE            (V4L2_CTRL_CLASS_USER | 0x2000)
+#define V4L2_CID_CSC_EQ_MODE            (V4L2_CID_EXYNOS_BASE + 100)
+#define V4L2_CID_CSC_EQ                 (V4L2_CID_EXYNOS_BASE + 101)
+#define V4L2_CID_CSC_RANGE              (V4L2_CID_EXYNOS_BASE + 102)
+#define V4L2_CID_CONTENT_PROTECTION     (V4L2_CID_EXYNOS_BASE + 201)
+#define V4L2_CID_CACHEABLE              (V4L2_CID_EXYNOS_BASE + 10)
+
+#define V4L2_PIX_FMT_NV12N              v4l2_fourcc('N', 'N', '1', '2')
+#define V4L2_PIX_FMT_NV12NT             v4l2_fourcc('T', 'N', '1', '2')
+#define V4L2_PIX_FMT_YUV420N            v4l2_fourcc('Y', 'N', '1', '2')
+#define V4L2_PIX_FMT_NV12N_10B          v4l2_fourcc('B', 'N', '1', '2')
+
+#define V4L2_BUF_FLAG_USE_SYNC          0x00008000
+
+static int v4l2_pixfmt_to_yuvinfo(unsigned int v4l2_pixel_format, unsigned int * bpp, unsigned int * planes)
+{
+    switch (v4l2_pixel_format) {
+    case V4L2_PIX_FMT_NV12:
+    case V4L2_PIX_FMT_NV21:
+    case V4L2_PIX_FMT_NV12N:
+    case V4L2_PIX_FMT_NV12NT:
+    case V4L2_PIX_FMT_YUV420:
+    case V4L2_PIX_FMT_YVU420:
+    case V4L2_PIX_FMT_YUV420N:
+        *bpp    = 12;
+        *planes = 1;
+        break;
+
+    case V4L2_PIX_FMT_NV12M:
+    case V4L2_PIX_FMT_NV21M:
+    case V4L2_PIX_FMT_NV12MT:
+    case V4L2_PIX_FMT_NV12MT_16X16:
+        *bpp    = 12;
+        *planes = 2;
+        break;
+
+    case V4L2_PIX_FMT_YUV420M:
+    case V4L2_PIX_FMT_YVU420M:
+        *bpp    = 12;
+        *planes = 3;
+        break;
+
+    case V4L2_PIX_FMT_YUYV:
+    case V4L2_PIX_FMT_YVYU:
+    case V4L2_PIX_FMT_UYVY:
+    case V4L2_PIX_FMT_VYUY:
+    case V4L2_PIX_FMT_NV16:
+    case V4L2_PIX_FMT_NV61:
+        *bpp    = 16;
+        *planes = 1;
+        break;
+        break;
+    default:
+        return -1;
+        break;
+    }
+
+    return 0;
+}
+
+static int gsc_get_yuv_bpp(unsigned int v4l2_pixel_format)
+{
+    unsigned int bpp, planes;
+
+    if (v4l2_pixfmt_to_yuvinfo(v4l2_pixel_format, &bpp, &planes) < 0)
+        bpp = -1;
+
+    return bpp;
+}
+
+static int gsc_get_yuv_planes(unsigned int v4l2_pixel_format)
+{
+    unsigned int bpp, planes;
+
+    if (v4l2_pixfmt_to_yuvinfo(v4l2_pixel_format, &bpp, &planes) < 0)
+        planes = -1;
+
+    return planes;
+}
+
+#define VIDEODEV_MAX 255
+static int exynos_v4l2_open_devname(const char *devname, int oflag, ...)
+{
+    bool found = false;
+    int fd = -1;
+    struct stat s;
+    va_list ap;
+    FILE *stream_fd;
+    char filename[64], name[64];
+    int i = 0;
+
+    do {
+        if (i > VIDEODEV_MAX)
+            break;
+
+        /* video device node */
+        snprintf(filename, sizeof(filename), "/dev/video%d", i);
+
+        /* if the node is video device */
+        if ((lstat(filename, &s) == 0) && S_ISCHR(s.st_mode) &&
+                ((int)((unsigned short)(s.st_rdev) >> 8) == 81)) {
+            ALOGD("try node: %s", filename);
+            /* open sysfs entry */
+            snprintf(filename, sizeof(filename), "/sys/class/video4linux/video%d/name", i);
+            if (S_ISLNK(s.st_mode)) {
+                ALOGE("symbolic link detected");
+                return -1;
+            }
+            stream_fd = fopen(filename, "r");
+            if (stream_fd == NULL) {
+                ALOGE("failed to open sysfs entry for videodev (%d - %s)", errno, strerror(errno));
+                i++;
+                continue;   /* try next */
+            }
+
+            /* read sysfs entry for device name */
+            char *p = fgets(name, sizeof(name), stream_fd);
+            fclose(stream_fd);
+
+            /* check read size */
+            if (p == NULL) {
+                ALOGE("failed to read sysfs entry for videodev");
+            } else {
+                /* matched */
+                if (strncmp(name, devname, strlen(devname)) == 0) {
+                    ALOGI("node found for device %s: /dev/video%d", devname, i);
+                    found = true;
+                    break;
+                }
+            }
+        }
+        i++;
+    } while (found == false);
+
+    if (found) {
+        snprintf(filename, sizeof(filename), "/dev/video%d", i);
+        va_start(ap, oflag);
+        fd = open(filename, oflag, ap);
+        va_end(ap);
+
+        if (fd > 0)
+            ALOGI("open video device %s", filename);
+        else
+            ALOGE("failed to open video device %s", filename);
+    } else {
+        ALOGE("no video device found");
+    }
+
+    return fd;
+}
+
+int CGscaler::m_gsc_m2m_create(int dev)
+{
+    Exynos_gsc_In();
+
+    int          fd = 0;
+    int          video_node_num;
+    char         node[32];
+
+    switch(dev) {
+    case 0:
+        video_node_num = NODE_NUM_GSC_0;
+        break;
+    case 1:
+        video_node_num = NODE_NUM_GSC_1;
+        break;
+#ifndef USES_ONLY_GSC0_GSC1
+    case 2:
+        video_node_num = NODE_NUM_GSC_2;
+        break;
+    case 3:
+        video_node_num = NODE_NUM_GSC_3;
+        break;
+#endif
+    default:
+        ALOGE("%s::unexpected dev(%d) fail", __func__, dev);
+        return -1;
+        break;
+    }
+
+    snprintf(node, sizeof(node), "%s%d", PFX_NODE_GSC, video_node_num);
+    fd = open(node, O_RDWR);
+    if (fd < 0) {
+        ALOGE("%s::exynos_v4l2_open(%s) fail", __func__, node);
+        return -1;
+    }
+
+    Exynos_gsc_Out();
+
+    return fd;
+}
+
+bool CGscaler::m_gsc_find_and_create(void *handle)
+{
+    Exynos_gsc_In();
+
+    int          i                 = 0;
+    bool         flag_find_new_gsc = false;
+    unsigned int total_sleep_time  = 0;
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return false;
+    }
+
+    do {
+        for (i = 0; i < NUM_OF_GSC_HW; i++) {
+#ifndef USES_ONLY_GSC0_GSC1
+            if (i == 0 || i == 3)
+#else
+            if (i == 0)
+#endif
+                continue;
+
+            gsc->gsc_id = i;
+            gsc->gsc_fd = gsc->m_gsc_m2m_create(i);
+            if (gsc->gsc_fd < 0) {
+                gsc->gsc_fd = 0;
+                continue;
+            }
+
+            flag_find_new_gsc = true;
+            break;
+        }
+
+        if (flag_find_new_gsc == false) {
+            usleep(GSC_WAITING_TIME_FOR_TRYLOCK);
+            total_sleep_time += GSC_WAITING_TIME_FOR_TRYLOCK;
+            ALOGV("%s::waiting for the gscaler availability", __func__);
+        }
+
+    } while(flag_find_new_gsc == false
+            && total_sleep_time < MAX_GSC_WAITING_TIME_FOR_TRYLOCK);
+
+    if (flag_find_new_gsc == false)
+        ALOGE("%s::we don't have any available gsc.. fail", __func__);
+
+    Exynos_gsc_Out();
+
+    return flag_find_new_gsc;
+}
+
+bool CGscaler::m_gsc_m2m_destroy(void *handle)
+{
+    Exynos_gsc_In();
+
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return false;
+    }
+
+    /*
+     * just in case, we call stop here because we cannot afford to leave
+     * secure side protection on if things failed.
+     */
+    gsc->m_gsc_m2m_stop(handle);
+
+    if (gsc->gsc_id >= HW_SCAL0) {
+        bool ret = exynos_sc_free_and_close(gsc->scaler);
+        Exynos_gsc_Out();
+        return ret;
+    }
+
+    if (0 < gsc->gsc_fd)
+        close(gsc->gsc_fd);
+    gsc->gsc_fd = 0;
+
+    Exynos_gsc_Out();
+
+    return true;
+}
+
+int CGscaler::m_gsc_m2m_stop(void *handle)
+{
+    Exynos_gsc_In();
+
+    struct v4l2_requestbuffers req_buf;
+    int ret = 0;
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    if (!gsc->src_info.stream_on && !gsc->dst_info.stream_on) {
+        /* wasn't streaming, return success */
+        return 0;
+    } else if (gsc->src_info.stream_on != gsc->dst_info.stream_on) {
+        ALOGE("%s: invalid state, queue stream state doesn't match \
+                (%d != %d)", __func__, gsc->src_info.stream_on,
+                gsc->dst_info.stream_on);
+        ret = -1;
+    }
+
+    /*
+     * we need to plow forward on errors below to make sure that if we had
+     * turned on content protection on secure side, we turn it off.
+     *
+     * also, if we only failed to turn on one of the streams, we'll turn
+     * the other one off correctly.
+     */
+    if (gsc->src_info.stream_on == true) {
+        if (ioctl(gsc->gsc_fd, VIDIOC_STREAMOFF, &gsc->src_info.buf.buf_type) < 0) {
+            ALOGE("%s::exynos_v4l2_streamoff(src) fail", __func__);
+            ret = -1;
+        }
+        gsc->src_info.stream_on = false;
+    }
+
+    if (gsc->dst_info.stream_on == true) {
+        if (ioctl(gsc->gsc_fd, VIDIOC_STREAMOFF, &gsc->dst_info.buf.buf_type) < 0) {
+            ALOGE("%s::exynos_v4l2_streamoff(dst) fail", __func__);
+            ret = -1;
+        }
+        gsc->dst_info.stream_on = false;
+    }
+
+    /* Secure DRM support by GScaler is removed out */
+
+    struct v4l2_control ctrl;
+
+    ctrl.id = V4L2_CID_CONTENT_PROTECTION;
+    ctrl.value = 0;
+    if (ioctl(gsc->gsc_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CONTENT_PROTECTION) fail",
+              __func__);
+        ret = -1;
+    }
+
+    /* src: clear_buf */
+    req_buf.count  = 0;
+    req_buf.type   = gsc->src_info.buf.buf_type;
+    req_buf.memory = gsc->src_info.buf.mem_type;
+    if (ioctl(gsc->gsc_fd, VIDIOC_REQBUFS, &req_buf) < 0) {
+        ALOGE("%s::exynos_v4l2_reqbufs():src: fail", __func__);
+        ret = -1;
+    }
+
+    /* dst: clear_buf */
+    req_buf.count  = 0;
+    req_buf.type   = gsc->dst_info.buf.buf_type;
+    req_buf.memory = gsc->dst_info.buf.mem_type;;
+    if (ioctl(gsc->gsc_fd, VIDIOC_REQBUFS, &req_buf) < 0) {
+        ALOGE("%s::exynos_v4l2_reqbufs():dst: fail", __func__);
+        ret = -1;
+    }
+
+    Exynos_gsc_Out();
+
+    return ret;
+}
+
+int CGscaler::m_gsc_m2m_run_core(void *handle)
+{
+    Exynos_gsc_In();
+
+    unsigned int rotate, hflip, vflip;
+    bool is_dirty;
+    bool is_drm;
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    is_dirty = gsc->src_info.dirty || gsc->dst_info.dirty;
+    is_drm = gsc->src_info.mode_drm;
+
+    if (is_dirty && (gsc->src_info.mode_drm != gsc->dst_info.mode_drm)) {
+        ALOGE("%s: drm mode mismatch between src and dst, \
+                gsc%d (s=%d d=%d)", __func__, gsc->gsc_id,
+                gsc->src_info.mode_drm, gsc->dst_info.mode_drm);
+        return -1;
+    } else if (is_drm && !gsc->allow_drm) {
+        ALOGE("%s: drm mode is not supported on gsc%d", __func__,
+              gsc->gsc_id);
+        return -1;
+    }
+
+    CGscaler::rotateValueHAL2GSC(gsc->dst_img.rot, &rotate, &hflip, &vflip);
+
+    if (CGscaler::m_gsc_check_src_size(&gsc->src_info.width,
+            &gsc->src_info.height, &gsc->src_info.crop_left,
+            &gsc->src_info.crop_top, &gsc->src_info.crop_width,
+            &gsc->src_info.crop_height, gsc->src_info.v4l2_colorformat,
+            (rotate == 90 || rotate == 270)) == false) {
+        ALOGE("%s::m_gsc_check_src_size() fail", __func__);
+        return -1;
+    }
+
+    if (CGscaler::m_gsc_check_dst_size(&gsc->dst_info.width,
+            &gsc->dst_info.height, &gsc->dst_info.crop_left,
+            &gsc->dst_info.crop_top, &gsc->dst_info.crop_width,
+            &gsc->dst_info.crop_height, gsc->dst_info.v4l2_colorformat,
+            gsc->dst_info.rotation) == false) {
+        ALOGE("%s::m_gsc_check_dst_size() fail", __func__);
+        return -1;
+    }
+
+    /* dequeue buffers from previous work if necessary */
+    if (gsc->src_info.stream_on == true) {
+        if (gsc->m_gsc_m2m_wait_frame_done(handle) < 0) {
+            ALOGE("%s::exynos_gsc_m2m_wait_frame_done fail", __func__);
+            return -1;
+        }
+    }
+
+    /*
+     * need to set the content protection flag before doing reqbufs
+     * in set_format
+     */
+    if (is_dirty && gsc->allow_drm && is_drm) {
+        struct v4l2_control ctrl;
+
+        ctrl.id = V4L2_CID_CONTENT_PROTECTION;
+        ctrl.value = is_drm;
+        if (ioctl(gsc->gsc_fd,VIDIOC_S_CTRL, &ctrl) < 0) {
+            ALOGE("%s::exynos_v4l2_s_ctrl() fail", __func__);
+            return -1;
+        }
+    }
+
+    /*
+     * from this point on, we have to ensure to call stop to clean up
+     * whatever state we have set.
+     */
+
+    if (gsc->src_info.dirty) {
+        if (CGscaler::m_gsc_set_format(gsc->gsc_fd, &gsc->src_info) == false) {
+            ALOGE("%s::m_gsc_set_format(src) fail", __func__);
+            goto done;
+        }
+        gsc->src_info.dirty = false;
+    }
+
+    if (gsc->dst_info.dirty) {
+        if (CGscaler::m_gsc_set_format(gsc->gsc_fd, &gsc->dst_info) == false) {
+            ALOGE("%s::m_gsc_set_format(dst) fail", __func__);
+            goto done;
+        }
+        gsc->dst_info.dirty = false;
+    }
+
+    /*
+     * set up csc equation property
+     */
+    if (is_dirty) {
+        struct v4l2_control ctrl;
+
+        ctrl.id = V4L2_CID_CSC_EQ_MODE;
+        ctrl.value = gsc->eq_auto;
+        if (ioctl(gsc->gsc_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+            ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_EQ_MODE) fail", __func__);
+            return -1;
+        }
+
+        ctrl.id = V4L2_CID_CSC_EQ;
+        ctrl.value = gsc->v4l2_colorspace;
+        if (ioctl(gsc->gsc_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+            ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_EQ) fail", __func__);
+            return -1;
+        }
+
+        ctrl.id = V4L2_CID_CSC_RANGE;
+        ctrl.value = gsc->range_full;
+        if (ioctl(gsc->gsc_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+            ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_RANGE) fail", __func__);
+            return -1;
+        }
+    }
+
+    /* if we are enabling drm, make sure to enable hw protection.
+     * Need to do this before queuing buffers so that the mmu is reserved
+     * and power domain is kept on.
+     */
+    /* Secure DRM upport by GScaler is removed out */
+
+    if (gsc->m_gsc_set_addr(gsc->gsc_fd, &gsc->src_info) == false) {
+        ALOGE("%s::m_gsc_set_addr(src) fail", __func__);
+        goto done;
+    }
+
+    if (gsc->m_gsc_set_addr(gsc->gsc_fd, &gsc->dst_info) == false) {
+        ALOGE("%s::m_gsc_set_addr(dst) fail", __func__);
+        goto done;
+    }
+
+    if (gsc->src_info.stream_on == false) {
+        if (ioctl(gsc->gsc_fd, VIDIOC_STREAMON, &gsc->src_info.buf.buf_type) < 0) {
+            ALOGE("%s::exynos_v4l2_streamon(src) fail", __func__);
+            goto done;
+        }
+        gsc->src_info.stream_on = true;
+    }
+
+    if (gsc->dst_info.stream_on == false) {
+        if (ioctl(gsc->gsc_fd, VIDIOC_STREAMON, &gsc->dst_info.buf.buf_type) < 0) {
+            ALOGE("%s::exynos_v4l2_streamon(dst) fail", __func__);
+            goto done;
+        }
+        gsc->dst_info.stream_on = true;
+    }
+
+    Exynos_gsc_Out();
+
+    return 0;
+
+done:
+    gsc->m_gsc_m2m_stop(handle);
+    return -1;
+}
+
+bool CGscaler::m_gsc_check_src_size(
+    unsigned int *w,      unsigned int *h,
+    unsigned int __UNUSED__ *crop_x, unsigned int __UNUSED__ *crop_y,
+    unsigned int __UNUSED__ *crop_w, unsigned int __UNUSED__ *crop_h,
+    int v4l2_colorformat, bool rotation)
+{
+    unsigned int minWidth, minHeight, shift = 0;
+    if (v4l2_colorformat == V4L2_PIX_FMT_RGB32 || v4l2_colorformat == V4L2_PIX_FMT_RGB565)
+        shift = 1;
+    if (rotation) {
+        minWidth = GSC_MIN_SRC_H_SIZE >> shift;
+        minHeight = GSC_MIN_SRC_W_SIZE >> shift;
+    } else {
+        minWidth = GSC_MIN_SRC_W_SIZE >> shift;
+        minHeight = GSC_MIN_SRC_H_SIZE >> shift;
+    }
+
+    if (*w < minWidth || *h < minHeight) {
+        ALOGE("%s::too small size (w : %d < %d) (h : %d < %d)",
+            __func__, GSC_MIN_SRC_W_SIZE, *w, GSC_MIN_SRC_H_SIZE, *h);
+        return false;
+    }
+
+    if (*crop_w < minWidth || *crop_h < minHeight) {
+        ALOGE("%s::too small size (w : %d < %d) (h : %d < %d)",
+            __func__, GSC_MIN_SRC_W_SIZE,* crop_w, GSC_MIN_SRC_H_SIZE, *crop_h);
+        return false;
+    }
+
+    return true;
+}
+
+bool CGscaler::m_gsc_check_dst_size(
+    unsigned int *w,      unsigned int *h,
+    unsigned int __UNUSED__ *crop_x, unsigned int __UNUSED__ *crop_y,
+    unsigned int __UNUSED__ *crop_w, unsigned int __UNUSED__ *crop_h,
+    int __UNUSED__ v4l2_colorformat, int __UNUSED__ rotation)
+{
+    if (*w < GSC_MIN_DST_W_SIZE || *h < GSC_MIN_DST_H_SIZE) {
+        ALOGE("%s::too small size (w : %d < %d) (h : %d < %d)",
+            __func__, GSC_MIN_DST_W_SIZE, *w, GSC_MIN_DST_H_SIZE, *h);
+        return false;
+    }
+
+    if (*crop_w < GSC_MIN_DST_W_SIZE || *crop_h < GSC_MIN_DST_H_SIZE) {
+        ALOGE("%s::too small size (w : %d < %d) (h : %d < %d)",
+            __func__, GSC_MIN_DST_W_SIZE,* crop_w, GSC_MIN_DST_H_SIZE, *crop_h);
+        return false;
+    }
+
+    return true;
+}
+
+
+int CGscaler::m_gsc_multiple_of_n(int number, int N)
+{
+    int result = number;
+    switch (N) {
+    case 1:
+    case 2:
+    case 4:
+    case 8:
+    case 16:
+    case 32:
+    case 64:
+    case 128:
+    case 256:
+        result = (number - (number & (N-1)));
+        break;
+    default:
+        result = number - (number % N);
+        break;
+    }
+    return result;
+}
+
+int CGscaler::m_gsc_m2m_wait_frame_done(void *handle)
+{
+    Exynos_gsc_In();
+
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    if ((gsc->src_info.stream_on == false) ||
+        (gsc->dst_info.stream_on == false)) {
+        ALOGE("%s:: src_strean_on or dst_stream_on are false", __func__);
+        return -1;
+    }
+
+    if (gsc->src_info.buf.buffer_queued) {
+        if (ioctl(gsc->gsc_fd, VIDIOC_DQBUF, &gsc->src_info.buf.buffer) < 0) {
+            ALOGE("%s::exynos_v4l2_dqbuf(src) fail", __func__);
+            return -1;
+        }
+        gsc->src_info.buf.buffer_queued = false;
+    }
+
+    if (gsc->dst_info.buf.buffer_queued) {
+        if (ioctl(gsc->gsc_fd, VIDIOC_DQBUF, &gsc->dst_info.buf.buffer) < 0) {
+            ALOGE("%s::exynos_v4l2_dqbuf(dst) fail", __func__);
+            return -1;
+        }
+        gsc->dst_info.buf.buffer_queued = false;
+    }
+
+    Exynos_gsc_Out();
+
+    return 0;
+}
+
+bool CGscaler::m_gsc_set_format(int fd, GscInfo *info)
+{
+    Exynos_gsc_In();
+
+    struct v4l2_requestbuffers req_buf;
+    int                        plane_count;
+
+    plane_count = m_gsc_get_plane_count(info->v4l2_colorformat);
+    if (plane_count < 0) {
+        ALOGE("%s::not supported v4l2_colorformat", __func__);
+        return false;
+    }
+
+    struct v4l2_control ctrl;
+
+    ctrl.id = V4L2_CID_ROTATE;
+    ctrl.value = info->rotation;
+    if (ioctl(fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_ROTATE) fail", __func__);
+        return false;
+    }
+
+    ctrl.id = V4L2_CID_VFLIP;
+    ctrl.value = info->flip_horizontal;
+    if (ioctl(fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_VFLIP) fail", __func__);
+        return false;
+    }
+
+    ctrl.id = V4L2_CID_HFLIP;
+    ctrl.value = info->flip_vertical;
+    if (ioctl(fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_HFLIP) fail", __func__);
+        return false;
+    }
+
+    info->format.type = info->buf.buf_type;
+    info->format.fmt.pix_mp.width       = info->width;
+    info->format.fmt.pix_mp.height      = info->height;
+    info->format.fmt.pix_mp.pixelformat = info->v4l2_colorformat;
+    info->format.fmt.pix_mp.field       = V4L2_FIELD_ANY;
+    info->format.fmt.pix_mp.num_planes  = plane_count;
+
+    if (ioctl(fd, VIDIOC_S_FMT, &info->format) < 0) {
+        ALOGE("%s::exynos_v4l2_s_fmt() fail", __func__);
+        return false;
+    }
+
+    info->crop.type     = info->buf.buf_type;
+    info->crop.c.left   = info->crop_left;
+    info->crop.c.top    = info->crop_top;
+    info->crop.c.width  = info->crop_width;
+    info->crop.c.height = info->crop_height;
+
+    if (ioctl(fd, VIDIOC_S_CROP, &info->crop) < 0) {
+        ALOGE("%s::exynos_v4l2_s_crop() fail", __func__);
+        return false;
+    }
+
+    ctrl.id = V4L2_CID_CACHEABLE;
+    ctrl.value = info->cacheable;
+    if (ioctl(fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl() fail", __func__);
+        return false;
+    }
+
+    req_buf.count  = 1;
+    req_buf.type   = info->buf.buf_type;
+    req_buf.memory = info->buf.mem_type;
+    if (ioctl(fd, VIDIOC_REQBUFS, &req_buf) < 0) {
+        ALOGE("%s::exynos_v4l2_reqbufs() fail", __func__);
+        return false;
+    }
+
+    Exynos_gsc_Out();
+
+    return true;
+}
+
+unsigned int CGscaler::m_gsc_get_plane_count(int v4l_pixel_format)
+{
+    int plane_count = 0;
+
+    switch (v4l_pixel_format) {
+    case V4L2_PIX_FMT_RGB32:
+    case V4L2_PIX_FMT_BGR32:
+    case V4L2_PIX_FMT_RGB24:
+    case V4L2_PIX_FMT_RGB565:
+    case V4L2_PIX_FMT_RGB555X:
+    case V4L2_PIX_FMT_RGB444:
+    case V4L2_PIX_FMT_YUYV:
+    case V4L2_PIX_FMT_UYVY:
+    case V4L2_PIX_FMT_NV16:
+    case V4L2_PIX_FMT_NV61:
+    case V4L2_PIX_FMT_YVU420:
+    case V4L2_PIX_FMT_YUV420:
+    case V4L2_PIX_FMT_NV12:
+    case V4L2_PIX_FMT_NV21:
+    case V4L2_PIX_FMT_YUV422P:
+        plane_count = 1;
+        break;
+    case V4L2_PIX_FMT_NV12M:
+    case V4L2_PIX_FMT_NV12MT_16X16:
+    case V4L2_PIX_FMT_NV21M:
+        plane_count = 2;
+        break;
+    case V4L2_PIX_FMT_YVU420M:
+    case V4L2_PIX_FMT_YUV420M:
+        plane_count = 3;
+        break;
+    default:
+        ALOGE("%s::unmatched v4l_pixel_format color_space(0x%x)\n",
+             __func__, v4l_pixel_format);
+        plane_count = -1;
+        break;
+    }
+
+    return plane_count;
+}
+
+bool CGscaler::m_gsc_set_addr(int fd, GscInfo *info)
+{
+    unsigned int i;
+    unsigned int plane_size[NUM_OF_GSC_PLANES];
+
+    CGscaler::m_gsc_get_plane_size(plane_size, info->width,
+                         info->height, info->v4l2_colorformat);
+
+    info->buf.buffer.index    = 0;
+    info->buf.buffer.flags    = V4L2_BUF_FLAG_USE_SYNC;
+    info->buf.buffer.type     = info->buf.buf_type;
+    info->buf.buffer.memory   = info->buf.mem_type;
+    info->buf.buffer.m.planes = info->buf.planes;
+    info->buf.buffer.length   = info->format.fmt.pix_mp.num_planes;
+    info->buf.buffer.reserved = info->acquireFenceFd;
+
+    for (i = 0; i < info->format.fmt.pix_mp.num_planes; i++) {
+        if (info->buf.buffer.memory == V4L2_MEMORY_DMABUF)
+            info->buf.buffer.m.planes[i].m.fd = (long)info->buf.addr[i];
+        else
+            info->buf.buffer.m.planes[i].m.userptr =
+                (unsigned long)info->buf.addr[i];
+        info->buf.buffer.m.planes[i].length    = plane_size[i];
+        info->buf.buffer.m.planes[i].bytesused = 0;
+    }
+
+    if (ioctl(fd, VIDIOC_QBUF, &info->buf.buffer) < 0) {
+        ALOGE("%s::exynos_v4l2_qbuf() fail", __func__);
+        return false;
+    }
+    info->buf.buffer_queued = true;
+
+    info->releaseFenceFd = info->buf.buffer.reserved;
+
+    return true;
+}
+
+unsigned int CGscaler::m_gsc_get_plane_size(
+    unsigned int *plane_size,
+    unsigned int  width,
+    unsigned int  height,
+    int           v4l_pixel_format)
+{
+    switch (v4l_pixel_format) {
+    /* 1 plane */
+    case V4L2_PIX_FMT_RGB32:
+    case V4L2_PIX_FMT_BGR32:
+        plane_size[0] = width * height * 4;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+        break;
+    case V4L2_PIX_FMT_RGB24:
+        plane_size[0] = width * height * 3;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+        break;
+    case V4L2_PIX_FMT_RGB565:
+    case V4L2_PIX_FMT_RGB555X:
+    case V4L2_PIX_FMT_RGB444:
+    case V4L2_PIX_FMT_YUYV:
+    case V4L2_PIX_FMT_UYVY:
+        plane_size[0] = width * height * 2;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+        break;
+    /* 2 planes */
+    case V4L2_PIX_FMT_NV12M:
+    case V4L2_PIX_FMT_NV21M:
+        plane_size[0] = width * height;
+        plane_size[1] = width * (height / 2);
+        plane_size[2] = 0;
+        break;
+    case V4L2_PIX_FMT_NV12:
+    case V4L2_PIX_FMT_NV21:
+        plane_size[0] = width * height * 3 / 2;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+	break;
+    case V4L2_PIX_FMT_NV16:
+    case V4L2_PIX_FMT_NV61:
+    case V4L2_PIX_FMT_YUV422P:
+        plane_size[0] = width * height * 2;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+        break;
+    case V4L2_PIX_FMT_NV12MT_16X16:
+        plane_size[0] = ALIGN(width, 16) * ALIGN(height, 16);
+        plane_size[1] = ALIGN(width, 16) * ALIGN(height / 2, 8);
+        plane_size[2] = 0;
+        break;
+    /* 3 planes */
+    case V4L2_PIX_FMT_YUV420M:
+        plane_size[0] = width * height;
+        plane_size[1] = (width / 2) * (height / 2);
+        plane_size[2] = (width / 2) * (height / 2);
+        break;
+    case V4L2_PIX_FMT_YVU420:
+        plane_size[0] = ALIGN(width, 16) * height + ALIGN(width / 2, 16) * height;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+        break;
+    case V4L2_PIX_FMT_YUV420:
+        plane_size[0] = width * height * 3 / 2;
+        plane_size[1] = 0;
+        plane_size[2] = 0;
+        break;
+    case V4L2_PIX_FMT_YVU420M:
+        plane_size[0] = ALIGN(width, 16) * height;
+        plane_size[1] = ALIGN(width / 2, 16) * (height / 2);
+        plane_size[2] = plane_size[1];
+        break;
+    default:
+        ALOGE("%s::unmatched v4l_pixel_format color_space(0x%x)\n",
+             __func__, v4l_pixel_format);
+        return -1;
+    }
+
+    return 0;
+}
+
+int CGscaler::m_gsc_m2m_config(void *handle,
+    exynos_mpp_img *src_img, exynos_mpp_img *dst_img)
+{
+    Exynos_gsc_In();
+
+    int32_t      src_color_space;
+    int32_t      dst_color_space;
+    int ret;
+    unsigned int rotate;
+    unsigned int hflip;
+    unsigned int vflip;
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    if ((src_img->drmMode && !gsc->allow_drm) ||
+        (src_img->drmMode != dst_img->drmMode)) {
+        ALOGE("%s::invalid drm state request for gsc%d (s=%d d=%d)",
+              __func__, gsc->gsc_id, src_img->drmMode, dst_img->drmMode);
+        return -1;
+    }
+
+    src_color_space = hal_pixfmt_to_v4l2(src_img->format);
+    dst_color_space = hal_pixfmt_to_v4l2(dst_img->format);
+    CGscaler::rotateValueHAL2GSC(dst_img->rot, &rotate, &hflip, &vflip);
+    exynos_gsc_set_rotation(gsc, rotate, hflip, vflip);
+
+    ret = exynos_gsc_set_src_format(gsc,  src_img->fw, src_img->fh,
+          src_img->x, src_img->y, src_img->w, src_img->h,
+          src_color_space, src_img->cacheable, src_img->drmMode);
+    if (ret < 0) {
+        ALOGE("%s: fail: exynos_gsc_set_src_format \
+            [fw %d fh %d x %d y %d w %d h %d f %x rot %d]",
+            __func__, src_img->fw, src_img->fh, src_img->x, src_img->y,
+            src_img->w, src_img->h, src_color_space, src_img->rot);
+        return -1;
+    }
+
+    ret = exynos_gsc_set_dst_format(gsc, dst_img->fw, dst_img->fh,
+          dst_img->x, dst_img->y, dst_img->w, dst_img->h,
+          dst_color_space, dst_img->cacheable, dst_img->drmMode);
+    if (ret < 0) {
+        ALOGE("%s: fail: exynos_gsc_set_dst_format \
+            [fw %d fh %d x %d y %d w %d h %d f %x rot %d]",
+            __func__, dst_img->fw, dst_img->fh, dst_img->x, dst_img->y,
+            dst_img->w, dst_img->h, src_color_space, dst_img->rot);
+        return -1;
+    }
+
+    Exynos_gsc_Out();
+
+    return 0;
+}
+
+int CGscaler::m_gsc_out_config(void *handle,
+    exynos_mpp_img *src_img, exynos_mpp_img *dst_img)
+{
+    Exynos_gsc_In();
+
+    struct v4l2_format  fmt;
+    struct v4l2_crop    crop;
+    struct v4l2_requestbuffers reqbuf;
+    struct v4l2_subdev_format sd_fmt;
+    struct v4l2_subdev_crop   sd_crop;
+    unsigned int rotate;
+    unsigned int hflip;
+    unsigned int vflip;
+    bool rgb;
+
+    int32_t      src_color_space;
+    int32_t      dst_color_space;
+    int32_t      src_planes;
+
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    if (gsc->src_info.stream_on != false) {
+        ALOGE("Error: Src is already streamed on !!!!");
+        return -1;
+    }
+
+    memcpy(&gsc->src_img, src_img, sizeof(exynos_mpp_img));
+    memcpy(&gsc->dst_img, dst_img, sizeof(exynos_mpp_img));
+    src_color_space = hal_pixfmt_to_v4l2(src_img->format);
+    dst_color_space = hal_pixfmt_to_v4l2(dst_img->format);
+    src_planes = m_gsc_get_plane_count(src_color_space);
+    src_planes = (src_planes == -1) ? 1 : src_planes;
+    rgb = gsc_get_yuv_planes(dst_color_space) == -1;
+    CGscaler::rotateValueHAL2GSC(dst_img->rot, &rotate, &hflip, &vflip);
+
+    if (CGscaler::m_gsc_check_src_size(&gsc->src_img.fw,
+            &gsc->src_img.fh, &gsc->src_img.x, &gsc->src_img.y,
+            &gsc->src_img.w, &gsc->src_img.h, src_color_space,
+            (rotate == 90 || rotate == 270)) == false) {
+            ALOGE("%s::m_gsc_check_src_size() fail", __func__);
+            return -1;
+    }
+
+    /*set: src v4l2_buffer*/
+    gsc->src_info.buf.buf_idx = 0;
+    gsc->src_info.qbuf_cnt = 0;
+    /* set format: src pad of GSC sub-dev*/
+    sd_fmt.pad   = GSCALER_SUBDEV_PAD_SOURCE;
+    sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+    if (gsc->out_mode == GSC_OUT_FIMD) {
+        sd_fmt.format.width  = gsc->dst_img.fw;
+        sd_fmt.format.height = gsc->dst_img.fh;
+    } else {
+        sd_fmt.format.width  = gsc->dst_img.w;
+        sd_fmt.format.height = gsc->dst_img.h;
+    }
+    sd_fmt.format.code = rgb ? V4L2_MBUS_FMT_XRGB8888_4X8_LE :
+                               V4L2_MBUS_FMT_YUV8_1X24;
+    if (exynos_subdev_s_fmt(gsc->mdev.gsc_sd_entity->fd, &sd_fmt) < 0) {
+            ALOGE("%s::GSC subdev set format failed", __func__);
+            return -1;
+    }
+
+    /* set crop: src crop of GSC sub-dev*/
+    sd_crop.pad   = GSCALER_SUBDEV_PAD_SOURCE;
+    sd_crop.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+    if (gsc->out_mode == GSC_OUT_FIMD) {
+        sd_crop.rect.left   = gsc->dst_img.x;
+        sd_crop.rect.top    = gsc->dst_img.y;
+        sd_crop.rect.width  = gsc->dst_img.w;
+        sd_crop.rect.height = gsc->dst_img.h;
+    } else {
+        sd_crop.rect.left   = 0;
+        sd_crop.rect.top    = 0;
+        sd_crop.rect.width  = gsc->dst_img.w;
+        sd_crop.rect.height = gsc->dst_img.h;
+    }
+
+    /* sink pad is connected to GSC out */
+    /*  set format: sink sub-dev */
+    if (gsc->out_mode == GSC_OUT_FIMD) {
+        sd_fmt.pad   = FIMD_SUBDEV_PAD_SINK;
+        sd_fmt.format.width  = gsc->dst_img.w;
+        sd_fmt.format.height = gsc->dst_img.h;
+    } else {
+        sd_fmt.pad   = MIXER_V_SUBDEV_PAD_SINK;
+        sd_fmt.format.width  = gsc->dst_img.w + gsc->dst_img.x*2;
+        sd_fmt.format.height = gsc->dst_img.h + gsc->dst_img.y*2;
+    }
+
+    sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+    sd_fmt.format.code = rgb ? V4L2_MBUS_FMT_XRGB8888_4X8_LE :
+                               V4L2_MBUS_FMT_YUV8_1X24;
+    if (exynos_subdev_s_fmt(gsc->mdev.sink_sd_entity->fd, &sd_fmt) < 0) {
+        ALOGE("%s::sink:set format failed (PAD=%d)", __func__,
+        sd_fmt.pad);
+        return -1;
+    }
+
+    /*  set crop: sink sub-dev */
+    if (gsc->out_mode == GSC_OUT_FIMD)
+        sd_crop.pad   = FIMD_SUBDEV_PAD_SINK;
+    else
+        sd_crop.pad   = MIXER_V_SUBDEV_PAD_SINK;
+
+    sd_crop.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+    if (gsc->out_mode == GSC_OUT_FIMD) {
+        sd_crop.rect.left   = gsc->dst_img.x;
+        sd_crop.rect.top    = gsc->dst_img.y;
+        sd_crop.rect.width  = gsc->dst_img.w;
+        sd_crop.rect.height = gsc->dst_img.h;
+    } else {
+        sd_crop.rect.left   = 0;
+        sd_crop.rect.top    = 0;
+        sd_crop.rect.width  = gsc->dst_img.w;
+        sd_crop.rect.height = gsc->dst_img.h;
+    }
+
+    if (gsc->out_mode != GSC_OUT_FIMD) {
+        sd_fmt.pad = MIXER_V_SUBDEV_PAD_SOURCE;
+        sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+        sd_fmt.format.width = gsc->dst_img.w + gsc->dst_img.x*2;
+        sd_fmt.format.height = gsc->dst_img.h + gsc->dst_img.y*2;
+        sd_fmt.format.code = V4L2_MBUS_FMT_XRGB8888_4X8_LE;
+        if (exynos_subdev_s_fmt(gsc->mdev.sink_sd_entity->fd, &sd_fmt) < 0) {
+            ALOGE("%s::sink:set format failed (PAD=%d)", __func__,
+            sd_fmt.pad);
+            return -1;
+        }
+
+        sd_fmt.pad   = MIXER_V_SUBDEV_PAD_SOURCE;
+        sd_crop.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+        sd_crop.rect.left   = gsc->dst_img.x;
+        sd_crop.rect.top    = gsc->dst_img.y;
+        sd_crop.rect.width  = gsc->dst_img.w;
+        sd_crop.rect.height = gsc->dst_img.h;
+        if (exynos_subdev_s_crop(gsc->mdev.sink_sd_entity->fd, &sd_crop) < 0) {
+            ALOGE("%s::sink: subdev set crop failed(PAD=%d)", __func__,
+            sd_crop.pad);
+            return -1;
+        }
+    }
+
+    /*set GSC ctrls */
+    struct v4l2_control ctrl;
+
+    ctrl.id = V4L2_CID_ROTATE;
+    ctrl.value = rotate;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_ROTATE: %d) failed",
+            __func__,  rotate);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_HFLIP;
+    ctrl.value = vflip;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_HFLIP: %d) failed",
+            __func__,  vflip);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_VFLIP;
+    ctrl.value = hflip;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_VFLIP: %d) failed",
+            __func__,  hflip);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CACHEABLE;
+    ctrl.value = 1;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_CACHEABLE: 1) failed",
+            __func__);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CONTENT_PROTECTION;
+    ctrl.value = gsc->src_img.drmMode;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CONTENT_PROTECTION) fail",
+            __func__);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CSC_EQ_MODE;
+    ctrl.value = gsc->eq_auto;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_EQ_MODE) fail", __func__);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CSC_EQ;
+    ctrl.value = gsc->v4l2_colorspace;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_EQ) fail", __func__);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CSC_RANGE;
+    ctrl.value = gsc->range_full;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_RANGE) fail", __func__);
+        return -1;
+    }
+
+      /* set src format  :GSC video dev*/
+    fmt.type  = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+    fmt.fmt.pix_mp.width            = gsc->src_img.fw;
+    fmt.fmt.pix_mp.height           = gsc->src_img.fh;
+    fmt.fmt.pix_mp.pixelformat    = src_color_space;
+    fmt.fmt.pix_mp.field              = V4L2_FIELD_NONE;
+    fmt.fmt.pix_mp.num_planes   = src_planes;
+
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_FMT, &fmt) < 0) {
+        ALOGE("%s::videodev set format failed", __func__);
+        return -1;
+    }
+
+    /* set src crop info :GSC video dev*/
+    crop.type     = fmt.type;
+    crop.c.left    = gsc->src_img.x;
+    crop.c.top     = gsc->src_img.y;
+    crop.c.width  = gsc->src_img.w;
+    crop.c.height = gsc->src_img.h;
+
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CROP, &crop) < 0) {
+        ALOGE("%s::videodev set crop failed", __func__);
+        return -1;
+    }
+
+    reqbuf.type   = fmt.type;
+    reqbuf.memory = V4L2_MEMORY_DMABUF;
+    reqbuf.count  = MAX_BUFFERS_GSCALER_OUT;
+
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_REQBUFS, &reqbuf) < 0) {
+        ALOGE("%s::request buffers failed", __func__);
+        return -1;
+    }
+
+    Exynos_gsc_Out();
+
+    return 0;
+}
+
+int CGscaler::m_gsc_cap_config(void *handle,
+    exynos_mpp_img *src_img, exynos_mpp_img *dst_img)
+{
+    Exynos_gsc_In();
+
+    struct v4l2_format  fmt;
+    struct v4l2_crop    crop;
+    struct v4l2_requestbuffers reqbuf;
+    struct v4l2_subdev_format sd_fmt;
+    struct v4l2_subdev_crop   sd_crop;
+    unsigned int rotate;
+    unsigned int hflip;
+    unsigned int vflip;
+    bool rgb;
+
+    int32_t      src_color_space;
+    int32_t      dst_color_space;
+    int32_t      dst_planes;
+
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    memcpy(&gsc->src_img, src_img, sizeof(exynos_mpp_img));
+    memcpy(&gsc->dst_img, dst_img, sizeof(exynos_mpp_img));
+    src_color_space = hal_pixfmt_to_v4l2(src_img->format);
+    dst_color_space = hal_pixfmt_to_v4l2(dst_img->format);
+    dst_planes = m_gsc_get_plane_count(dst_color_space);
+    dst_planes = (dst_planes == -1) ? 1 : dst_planes;
+    rgb = gsc_get_yuv_planes(src_color_space) == -1;
+    CGscaler::rotateValueHAL2GSC(src_img->rot, &rotate, &hflip, &vflip);
+
+    if (CGscaler::m_gsc_check_src_size(&gsc->src_img.fw,
+            &gsc->src_img.fh, &gsc->src_img.x, &gsc->src_img.y,
+            &gsc->src_img.w, &gsc->src_img.h, src_color_space,
+            (rotate == 90 || rotate == 270)) == false) {
+            ALOGE("%s::m_gsc_check_src_size() fail", __func__);
+            return -1;
+    }
+
+    /*set GSC ctrls */
+    struct v4l2_control ctrl;
+
+    ctrl.id = V4L2_CID_ROTATE;
+    ctrl.value = rotate;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_ROTATE: %d) failed",
+            __func__,  rotate);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_HFLIP;
+    ctrl.value = vflip;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_HFLIP: %d) failed",
+            __func__,  vflip);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_VFLIP;
+    ctrl.value = hflip;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_VFLIP: %d) failed",
+            __func__,  hflip);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CACHEABLE;
+    ctrl.value = 1;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s:: exynos_v4l2_s_ctrl (V4L2_CID_CACHEABLE: 1) failed",
+            __func__);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CONTENT_PROTECTION;
+    ctrl.value = gsc->src_img.drmMode;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CONTENT_PROTECTION) fail",
+            __func__);
+        return -1;
+    }
+
+    ctrl.id = V4L2_CID_CSC_RANGE;
+    ctrl.value = gsc->range_full;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CTRL, &ctrl) < 0) {
+        ALOGE("%s::exynos_v4l2_s_ctrl(V4L2_CID_CSC_RANGE: %d) fail",
+            __func__, gsc->range_full);
+        return -1;
+    }
+      /* set format: source pad of Decon-TV sub-dev*/
+    sd_fmt.pad   = DECON_TV_WB_PAD;
+    sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+    sd_fmt.format.width  = gsc->src_img.w;
+    sd_fmt.format.height = gsc->src_img.h;
+    sd_fmt.format.code = WB_PATH_FORMAT;
+    if (exynos_subdev_s_fmt(gsc->mdev.sink_sd_entity->fd, &sd_fmt) < 0) {
+            ALOGE("%s::Decon-TV subdev set format failed", __func__);
+            return -1;
+    }
+
+    fmt.type  = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+    if (!gsc->dst_info.stream_on) {
+        /* set src format: GSC video dev*/
+	fmt.fmt.pix_mp.width            = gsc->dst_img.fw;
+	fmt.fmt.pix_mp.height           = gsc->dst_img.fh;
+	fmt.fmt.pix_mp.pixelformat    = dst_color_space;
+	fmt.fmt.pix_mp.field              = V4L2_FIELD_NONE;
+	fmt.fmt.pix_mp.num_planes   = dst_planes;
+
+	if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_FMT, &fmt) < 0) {
+	    ALOGE("%s::videodev set format failed", __func__);
+	    return -1;
+	}
+        gsc->dst_info.buf.buf_idx = 0;
+        gsc->dst_info.qbuf_cnt = 0;
+    }
+
+    /* set format: sink pad of GSC sub-dev*/
+	sd_fmt.pad   = GSCALER_SUBDEV_PAD_SINK;
+	sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+	sd_fmt.format.width  = gsc->src_img.w;
+	sd_fmt.format.height = gsc->src_img.h;
+	sd_fmt.format.code = WB_PATH_FORMAT;
+	if (exynos_subdev_s_fmt(gsc->mdev.gsc_sd_entity->fd, &sd_fmt) < 0) {
+            ALOGE("%s::GSC subdev set format failed", __func__);
+	    return -1;
+	}
+
+    /* set src crop info :GSC video dev*/
+    crop.type     = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+    crop.c.left    = gsc->dst_img.x;
+    crop.c.top     = gsc->dst_img.y;
+    crop.c.width  = gsc->dst_img.w;
+    crop.c.height = gsc->dst_img.h;
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CROP, &crop) < 0) {
+        ALOGE("%s::videodev set crop failed", __func__);
+        return -1;
+    }
+
+    /* set crop: src crop of GSC sub-dev*/
+    sd_crop.pad   = GSCALER_SUBDEV_PAD_SINK;
+    sd_crop.which = V4L2_SUBDEV_FORMAT_ACTIVE;
+    sd_crop.rect.left   = 0;
+    sd_crop.rect.top    = 0;
+    sd_crop.rect.width  = gsc->src_img.w;
+    sd_crop.rect.height = gsc->src_img.h;
+
+    if (exynos_subdev_s_crop(gsc->mdev.gsc_sd_entity->fd, &sd_crop) < 0) {
+        ALOGE("%s::GSC subdev set crop failed(PAD=%d)", __func__,
+        sd_crop.pad);
+        return -1;
+    }
+    reqbuf.type   = fmt.type;
+    reqbuf.memory = V4L2_MEMORY_DMABUF;
+    reqbuf.count  = MAX_BUFFERS_GSCALER_CAP;
+
+    if (!gsc->dst_info.stream_on) {
+        if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_REQBUFS, &reqbuf) < 0) {
+	    ALOGE("%s::request buffers failed", __func__);
+            return -1;
+        }
+    }
+
+    Exynos_gsc_Out();
+
+    return 0;
+}
+
+
+void CGscaler::rotateValueHAL2GSC(unsigned int transform,
+    unsigned int *rotate, unsigned int *hflip, unsigned int *vflip)
+{
+    int rotate_flag = transform & 0x7;
+    *rotate = 0;
+    *hflip = 0;
+    *vflip = 0;
+
+    switch (rotate_flag) {
+    case HAL_TRANSFORM_ROT_90:
+        *rotate = 90;
+        break;
+    case HAL_TRANSFORM_ROT_180:
+        *rotate = 180;
+        break;
+    case HAL_TRANSFORM_ROT_270:
+        *rotate = 270;
+        break;
+    case HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90:
+        *rotate = 90;
+        *vflip = 1; /* set vflip to compensate the rot & flip order. */
+        break;
+    case HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90:
+        *rotate = 90;
+        *hflip = 1; /* set hflip to compensate the rot & flip order. */
+        break;
+    case HAL_TRANSFORM_FLIP_H:
+        *hflip = 1;
+         break;
+    case HAL_TRANSFORM_FLIP_V:
+        *vflip = 1;
+         break;
+    default:
+        break;
+    }
+}
+
+int CGscaler::m_gsc_m2m_run(void *handle,
+    exynos_mpp_img *src_img, exynos_mpp_img *dst_img)
+{
+    Exynos_gsc_In();
+
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+    void *addr[3] = {NULL, NULL, NULL};
+    int ret = 0;
+
+    addr[0] = (void *)src_img->yaddr;
+    addr[1] = (void *)src_img->uaddr;
+    addr[2] = (void *)src_img->vaddr;
+    ret = exynos_gsc_set_src_addr(handle, addr, src_img->mem_type,
+            src_img->acquireFenceFd);
+    if (ret < 0) {
+        ALOGE("%s::fail: exynos_gsc_set_src_addr[%p %p %p]", __func__,
+            addr[0], addr[1], addr[2]);
+        return -1;
+    }
+
+    addr[0] = (void *)dst_img->yaddr;
+    addr[1] = (void *)dst_img->uaddr;
+    addr[2] = (void *)dst_img->vaddr;
+    ret = exynos_gsc_set_dst_addr(handle, addr, dst_img->mem_type,
+            dst_img->acquireFenceFd);
+    if (ret < 0) {
+        ALOGE("%s::fail: exynos_gsc_set_dst_addr[%p %p %p]", __func__,
+            addr[0], addr[1], addr[2]);
+        return -1;
+    }
+
+    ret = gsc->m_gsc_m2m_run_core(handle);
+     if (ret < 0) {
+        ALOGE("%s::fail: m_gsc_m2m_run_core", __func__);
+        return -1;
+    }
+
+    if (src_img->acquireFenceFd >= 0) {
+        close(src_img->acquireFenceFd);
+        src_img->acquireFenceFd = -1;
+    }
+
+    if (dst_img->acquireFenceFd >= 0) {
+        close(dst_img->acquireFenceFd);
+        dst_img->acquireFenceFd = -1;
+    }
+
+    src_img->releaseFenceFd = gsc->src_info.releaseFenceFd;
+    dst_img->releaseFenceFd = gsc->dst_info.releaseFenceFd;
+
+    Exynos_gsc_Out();
+
+    return 0;
+}
+
+int CGscaler::m_gsc_out_run(void *handle, exynos_mpp_img *src_img)
+{
+    struct v4l2_plane  planes[NUM_OF_GSC_PLANES];
+    struct v4l2_buffer buf;
+    int32_t      src_color_space;
+    int32_t      src_planes;
+    unsigned int i;
+    unsigned int plane_size[NUM_OF_GSC_PLANES];
+    int ret = 0;
+    unsigned int dq_retry_cnt = 0;
+
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    /* All buffers have been queued, dequeue one */
+    if (gsc->src_info.qbuf_cnt == MAX_BUFFERS_GSCALER_OUT) {
+        memset(&buf, 0, sizeof(struct v4l2_buffer));
+        for (i = 0; i < NUM_OF_GSC_PLANES; i++)
+            memset(&planes[i], 0, sizeof(struct v4l2_plane));
+
+        buf.type     = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+        buf.memory   = V4L2_MEMORY_DMABUF;
+        buf.m.planes = planes;
+
+        src_color_space = hal_pixfmt_to_v4l2(gsc->src_img.format);
+        src_planes = m_gsc_get_plane_count(src_color_space);
+        src_planes = (src_planes == -1) ? 1 : src_planes;
+        buf.length   = src_planes;
+
+
+        do {
+            ret = ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_DQBUF, &buf);
+            if (ret == -EAGAIN) {
+                ALOGE("%s::Retry DQbuf(index=%d)", __func__, buf.index);
+                usleep(10000);
+                dq_retry_cnt++;
+                continue;
+            }
+            break;
+        } while (dq_retry_cnt <= 10);
+
+        if (ret < 0) {
+            ALOGE("%s::dq buffer failed (index=%d)", __func__, buf.index);
+            return -1;
+        }
+        gsc->src_info.qbuf_cnt--;
+    }
+
+    memset(&buf, 0, sizeof(struct v4l2_buffer));
+    for (i = 0; i < NUM_OF_GSC_PLANES; i++)
+        memset(&planes[i], 0, sizeof(struct v4l2_plane));
+
+    src_color_space = hal_pixfmt_to_v4l2(gsc->src_img.format);
+    src_planes = m_gsc_get_plane_count(src_color_space);
+    src_planes = (src_planes == -1) ? 1 : src_planes;
+
+    buf.type     = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+    buf.memory   = V4L2_MEMORY_DMABUF;
+    buf.flags    = 0;
+    buf.length   = src_planes;
+    buf.index    = gsc->src_info.buf.buf_idx;
+    buf.m.planes = planes;
+    buf.reserved = -1;
+
+    gsc->src_info.buf.addr[0] = (void*)src_img->yaddr;
+    gsc->src_info.buf.addr[1] = (void*)src_img->uaddr;
+    gsc->src_info.buf.addr[2] = (void*)src_img->vaddr;
+
+    if (CGscaler::tmp_get_plane_size(src_color_space, plane_size,
+        gsc->src_img.fw,  gsc->src_img.fh, src_planes) != true) {
+        ALOGE("%s:get_plane_size:fail", __func__);
+        return -1;
+    }
+
+    for (i = 0; i < buf.length; i++) {
+        buf.m.planes[i].m.fd = (long)gsc->src_info.buf.addr[i];
+        buf.m.planes[i].length    = plane_size[i];
+        buf.m.planes[i].bytesused = plane_size[i];
+    }
+
+    /* Queue the buf */
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_QBUF, &buf) < 0) {
+        ALOGE("%s::queue buffer failed (index=%d)(mSrcBufNum=%d)",
+                __func__, gsc->src_info.buf.buf_idx,
+                MAX_BUFFERS_GSCALER_OUT);
+        return -1;
+    }
+    gsc->src_info.buf.buf_idx++;
+    gsc->src_info.buf.buf_idx =
+        gsc->src_info.buf.buf_idx % MAX_BUFFERS_GSCALER_OUT;
+    gsc->src_info.qbuf_cnt++;
+
+    if (gsc->src_info.stream_on == false) {
+        if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_STREAMON, &buf.type) < 0) {
+            ALOGE("%s::stream on failed", __func__);
+            return -1;
+        }
+        gsc->src_info.stream_on = true;
+    }
+
+    return 0;
+}
+
+int CGscaler::m_gsc_cap_run(void *handle, exynos_mpp_img *dst_img)
+{
+    struct v4l2_plane  planes[NUM_OF_GSC_PLANES];
+    struct v4l2_buffer buf;
+    int32_t      dst_color_space;
+    int32_t      dst_planes;
+    unsigned int i;
+    unsigned int plane_size[NUM_OF_GSC_PLANES];
+    CGscaler* gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    /* All buffers have been queued, dequeue one */
+    if (gsc->dst_info.qbuf_cnt == MAX_BUFFERS_GSCALER_CAP) {
+        memset(&buf, 0, sizeof(struct v4l2_buffer));
+        for (i = 0; i < NUM_OF_GSC_PLANES; i++)
+            memset(&planes[i], 0, sizeof(struct v4l2_plane));
+
+        buf.type     = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+        buf.memory   = V4L2_MEMORY_DMABUF;
+        buf.m.planes = planes;
+
+        dst_color_space = hal_pixfmt_to_v4l2(gsc->dst_img.format);
+        dst_planes = m_gsc_get_plane_count(dst_color_space);
+        dst_planes = (dst_planes == -1) ? 1 : dst_planes;
+        buf.length   = dst_planes;
+
+
+        if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_DQBUF, &buf) < 0) {
+            ALOGE("%s::dequeue buffer failed (index=%d)(mSrcBufNum=%d)",
+                    __func__, gsc->src_info.buf.buf_idx,
+                    MAX_BUFFERS_GSCALER_CAP);
+            return -1;
+        }
+        gsc->dst_info.qbuf_cnt--;
+    }
+
+    memset(&buf, 0, sizeof(struct v4l2_buffer));
+    for (i = 0; i < NUM_OF_GSC_PLANES; i++)
+        memset(&planes[i], 0, sizeof(struct v4l2_plane));
+
+    dst_color_space = hal_pixfmt_to_v4l2(gsc->dst_img.format);
+    dst_planes = m_gsc_get_plane_count(dst_color_space);
+    dst_planes = (dst_planes == -1) ? 1 : dst_planes;
+
+    buf.type     = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+    buf.memory   = V4L2_MEMORY_DMABUF;
+    buf.flags    = V4L2_BUF_FLAG_USE_SYNC;
+    buf.length   = dst_planes;
+    buf.index    = gsc->dst_info.buf.buf_idx;
+    buf.m.planes = planes;
+    buf.reserved = dst_img->acquireFenceFd;
+
+    gsc->dst_info.buf.addr[0] = (void*)dst_img->yaddr;
+    gsc->dst_info.buf.addr[1] = (void*)dst_img->uaddr;
+    gsc->dst_info.buf.addr[2] = (void*)dst_img->vaddr;
+
+    if (CGscaler::tmp_get_plane_size(dst_color_space, plane_size,
+        gsc->dst_img.fw,  gsc->dst_img.fh, dst_planes) != true) {
+        ALOGE("%s:get_plane_size:fail", __func__);
+        return -1;
+    }
+
+    for (i = 0; i < buf.length; i++) {
+        buf.m.planes[i].m.fd = (int)(long)gsc->dst_info.buf.addr[i];
+        buf.m.planes[i].length    = plane_size[i];
+        buf.m.planes[i].bytesused = plane_size[i];
+    }
+
+    /* Queue the buf */
+    if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_QBUF, &buf) < 0) {
+        ALOGE("%s::queue buffer failed (index=%d)(mDstBufNum=%d)",
+                __func__, gsc->dst_info.buf.buf_idx,
+                MAX_BUFFERS_GSCALER_CAP);
+        return -1;
+    }
+
+    gsc->dst_info.buf.buf_idx++;
+    gsc->dst_info.buf.buf_idx =
+        gsc->dst_info.buf.buf_idx % MAX_BUFFERS_GSCALER_CAP;
+    gsc->dst_info.qbuf_cnt++;
+
+    if (gsc->dst_info.stream_on == false) {
+        if (ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_STREAMON, &buf.type) < 0) {
+            ALOGE("%s::stream on failed", __func__);
+            return -1;
+        }
+        gsc->dst_info.stream_on = true;
+    }
+
+    dst_img->releaseFenceFd = buf.reserved;
+    return 0;
+}
+
+bool CGscaler::tmp_get_plane_size(int V4L2_PIX,
+    unsigned int * size, unsigned int width, unsigned int height, int src_planes)
+{
+    unsigned int frame_ratio = 1;
+    int src_bpp    = gsc_get_yuv_bpp(V4L2_PIX);
+    unsigned int frame_size = width * height;
+
+    src_planes = (src_planes == -1) ? 1 : src_planes;
+    frame_ratio = 8 * (src_planes -1) / (src_bpp - 8);
+
+    switch (src_planes) {
+    case 1:
+        switch (V4L2_PIX) {
+        case V4L2_PIX_FMT_BGR32:
+        case V4L2_PIX_FMT_RGB32:
+            size[0] = frame_size << 2;
+            break;
+	case V4L2_PIX_FMT_RGB565:
+        case V4L2_PIX_FMT_NV16:
+        case V4L2_PIX_FMT_NV61:
+        case V4L2_PIX_FMT_YUYV:
+        case V4L2_PIX_FMT_UYVY:
+        case V4L2_PIX_FMT_VYUY:
+        case V4L2_PIX_FMT_YVYU:
+            size[0] = frame_size << 1;
+            break;
+        case V4L2_PIX_FMT_YUV420:
+        case V4L2_PIX_FMT_NV12:
+        case V4L2_PIX_FMT_NV21:
+        case V4L2_PIX_FMT_NV21M:
+            size[0] = (frame_size * 3) >> 1;
+            break;
+        case V4L2_PIX_FMT_YVU420:
+            size[0] = frame_size + (ALIGN((width >> 1), 16) * ((height >> 1) * 2));
+            break;
+        default:
+            ALOGE("%s::invalid color type (%x)", __func__, V4L2_PIX);
+            return false;
+            break;
+        }
+        size[1] = 0;
+        size[2] = 0;
+        break;
+    case 2:
+        size[0] = frame_size;
+        size[1] = frame_size / frame_ratio;
+        size[2] = 0;
+        break;
+    case 3:
+        size[0] = frame_size;
+        size[1] = frame_size / frame_ratio;
+        size[2] = frame_size / frame_ratio;
+        break;
+    default:
+        ALOGE("%s::invalid color foarmt", __func__);
+        return false;
+        break;
+    }
+
+    return true;
+}
+
+int CGscaler::ConfigMpp(void *handle, exynos_mpp_img *src,
+					exynos_mpp_img *dst)
+{
+    return exynos_gsc_config_exclusive(handle, src, dst);
+}
+
+int CGscaler::ConfigBlendMpp(void *handle, exynos_mpp_img *src,
+                                           exynos_mpp_img *dst,
+                                           SrcBlendInfo  *srcblendinfo)
+{
+    return exynos_gsc_config_blend_exclusive(handle, src, dst, srcblendinfo);
+}
+
+int CGscaler::RunMpp(void *handle, exynos_mpp_img *src,
+					exynos_mpp_img *dst)
+{
+    return exynos_gsc_run_exclusive(handle, src, dst);
+}
+
+int CGscaler::StopMpp(void *handle)
+{
+    return exynos_gsc_stop_exclusive(handle);
+}
+
+void CGscaler::DestroyMpp(void *handle)
+{
+    return exynos_gsc_destroy(handle);
+}
+
+int CGscaler::SetCSCProperty(void *handle, unsigned int eqAuto,
+		   unsigned int fullRange, unsigned int colorspace)
+{
+    return exynos_gsc_set_csc_property(handle, eqAuto, fullRange,
+					    colorspace);
+}
+
+int CGscaler::FreeMpp(void *handle)
+{
+    return exynos_gsc_free_and_close(handle);
+}
+
+int CGscaler::SetInputCrop(void *handle,
+        exynos_mpp_img *src_img, exynos_mpp_img __UNUSED__ *dst_img)
+{
+    struct v4l2_crop crop;
+    CGscaler *gsc = GetGscaler(handle);
+    if (gsc == NULL) {
+        ALOGE("%s::handle == NULL() fail", __func__);
+        return -1;
+    }
+
+    crop.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+    crop.c.left = src_img->x;
+    crop.c.top = src_img->y;
+    crop.c.width = src_img->w;
+    crop.c.height = src_img->h;
+
+    return ioctl(gsc->mdev.gsc_vd_entity->fd, VIDIOC_S_CROP, &crop);
+}