media: platform: rename s5p-mfc/ to samsung/s5p-mfc/
[sfrench/cifs-2.6.git] / drivers / media / platform / s5p-mfc / s5p_mfc_dec.c
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
deleted file mode 100644 (file)
index c079881..0000000
+++ /dev/null
@@ -1,1218 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
- *
- * Copyright (C) 2011 Samsung Electronics Co., Ltd.
- *             http://www.samsung.com/
- * Kamil Debski, <k.debski@samsung.com>
- */
-
-#include <linux/clk.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <linux/workqueue.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
-#include <media/videobuf2-v4l2.h>
-#include "s5p_mfc_common.h"
-#include "s5p_mfc_ctrl.h"
-#include "s5p_mfc_debug.h"
-#include "s5p_mfc_dec.h"
-#include "s5p_mfc_intr.h"
-#include "s5p_mfc_opr.h"
-#include "s5p_mfc_pm.h"
-
-static struct s5p_mfc_fmt formats[] = {
-       {
-               .fourcc         = V4L2_PIX_FMT_NV12MT_16X16,
-               .codec_mode     = S5P_MFC_CODEC_NONE,
-               .type           = MFC_FMT_RAW,
-               .num_planes     = 2,
-               .versions       = MFC_V6_BIT | MFC_V7_BIT,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_NV12MT,
-               .codec_mode     = S5P_MFC_CODEC_NONE,
-               .type           = MFC_FMT_RAW,
-               .num_planes     = 2,
-               .versions       = MFC_V5_BIT,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_NV12M,
-               .codec_mode     = S5P_MFC_CODEC_NONE,
-               .type           = MFC_FMT_RAW,
-               .num_planes     = 2,
-               .versions       = MFC_V6PLUS_BITS,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_NV21M,
-               .codec_mode     = S5P_MFC_CODEC_NONE,
-               .type           = MFC_FMT_RAW,
-               .num_planes     = 2,
-               .versions       = MFC_V6PLUS_BITS,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_H264,
-               .codec_mode     = S5P_MFC_CODEC_H264_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION |
-                                 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_H264_MVC,
-               .codec_mode     = S5P_MFC_CODEC_H264_MVC_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V6PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION |
-                                 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_H263,
-               .codec_mode     = S5P_MFC_CODEC_H263_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_MPEG1,
-               .codec_mode     = S5P_MFC_CODEC_MPEG2_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION |
-                                 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_MPEG2,
-               .codec_mode     = S5P_MFC_CODEC_MPEG2_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION |
-                                 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_MPEG4,
-               .codec_mode     = S5P_MFC_CODEC_MPEG4_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION |
-                                 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_XVID,
-               .codec_mode     = S5P_MFC_CODEC_MPEG4_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_VC1_ANNEX_G,
-               .codec_mode     = S5P_MFC_CODEC_VC1_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_VC1_ANNEX_L,
-               .codec_mode     = S5P_MFC_CODEC_VC1RCV_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V5PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_VP8,
-               .codec_mode     = S5P_MFC_CODEC_VP8_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V6PLUS_BITS,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_HEVC,
-               .codec_mode     = S5P_FIMV_CODEC_HEVC_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V10_BIT,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION |
-                                 V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM,
-       },
-       {
-               .fourcc         = V4L2_PIX_FMT_VP9,
-               .codec_mode     = S5P_FIMV_CODEC_VP9_DEC,
-               .type           = MFC_FMT_DEC,
-               .num_planes     = 1,
-               .versions       = MFC_V10_BIT,
-               .flags          = V4L2_FMT_FLAG_DYN_RESOLUTION,
-       },
-};
-
-#define NUM_FORMATS ARRAY_SIZE(formats)
-
-/* Find selected format description */
-static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
-{
-       unsigned int i;
-
-       for (i = 0; i < NUM_FORMATS; i++) {
-               if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
-                   formats[i].type == t)
-                       return &formats[i];
-       }
-       return NULL;
-}
-
-static struct mfc_control controls[] = {
-       {
-               .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
-               .type = V4L2_CTRL_TYPE_INTEGER,
-               .name = "H264 Display Delay",
-               .minimum = 0,
-               .maximum = 16383,
-               .step = 1,
-               .default_value = 0,
-       },
-       {
-               .id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY,
-               .type = V4L2_CTRL_TYPE_INTEGER,
-               .minimum = 0,
-               .maximum = 16383,
-               .step = 1,
-               .default_value = 0,
-       },
-       {
-               .id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
-               .type = V4L2_CTRL_TYPE_BOOLEAN,
-               .name = "H264 Display Delay Enable",
-               .minimum = 0,
-               .maximum = 1,
-               .step = 1,
-               .default_value = 0,
-       },
-       {
-               .id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE,
-               .type = V4L2_CTRL_TYPE_BOOLEAN,
-               .minimum = 0,
-               .maximum = 1,
-               .default_value = 0,
-       },
-       {
-               .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
-               .type = V4L2_CTRL_TYPE_BOOLEAN,
-               .name = "Mpeg4 Loop Filter Enable",
-               .minimum = 0,
-               .maximum = 1,
-               .step = 1,
-               .default_value = 0,
-       },
-       {
-               .id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
-               .type = V4L2_CTRL_TYPE_BOOLEAN,
-               .name = "Slice Interface Enable",
-               .minimum = 0,
-               .maximum = 1,
-               .step = 1,
-               .default_value = 0,
-       },
-       {
-               .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
-               .type = V4L2_CTRL_TYPE_INTEGER,
-               .name = "Minimum number of cap bufs",
-               .minimum = 1,
-               .maximum = 32,
-               .step = 1,
-               .default_value = 1,
-               .is_volatile = 1,
-       },
-};
-
-#define NUM_CTRLS ARRAY_SIZE(controls)
-
-/* Check whether a context should be run on hardware */
-static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
-{
-       /* Context is to parse header */
-       if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
-               return 1;
-       /* Context is to decode a frame */
-       if (ctx->src_queue_cnt >= 1 &&
-           ctx->state == MFCINST_RUNNING &&
-           ctx->dst_queue_cnt >= ctx->pb_count)
-               return 1;
-       /* Context is to return last frame */
-       if (ctx->state == MFCINST_FINISHING &&
-           ctx->dst_queue_cnt >= ctx->pb_count)
-               return 1;
-       /* Context is to set buffers */
-       if (ctx->src_queue_cnt >= 1 &&
-           ctx->state == MFCINST_HEAD_PARSED &&
-           ctx->capture_state == QUEUE_BUFS_MMAPED)
-               return 1;
-       /* Resolution change */
-       if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
-               ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
-               ctx->dst_queue_cnt >= ctx->pb_count)
-               return 1;
-       if (ctx->state == MFCINST_RES_CHANGE_END &&
-               ctx->src_queue_cnt >= 1)
-               return 1;
-       mfc_debug(2, "ctx is not ready\n");
-       return 0;
-}
-
-static const struct s5p_mfc_codec_ops decoder_codec_ops = {
-       .pre_seq_start          = NULL,
-       .post_seq_start         = NULL,
-       .pre_frame_start        = NULL,
-       .post_frame_start       = NULL,
-};
-
-/* Query capabilities of the device */
-static int vidioc_querycap(struct file *file, void *priv,
-                          struct v4l2_capability *cap)
-{
-       struct s5p_mfc_dev *dev = video_drvdata(file);
-
-       strscpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver));
-       strscpy(cap->card, dev->vfd_dec->name, sizeof(cap->card));
-       snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
-                dev_name(&dev->plat_dev->dev));
-       return 0;
-}
-
-/* Enumerate format */
-static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
-                                                       bool out)
-{
-       struct s5p_mfc_dev *dev = video_drvdata(file);
-       int i, j = 0;
-
-       for (i = 0; i < ARRAY_SIZE(formats); ++i) {
-               if (out && formats[i].type != MFC_FMT_DEC)
-                       continue;
-               else if (!out && formats[i].type != MFC_FMT_RAW)
-                       continue;
-               else if ((dev->variant->version_bit & formats[i].versions) == 0)
-                       continue;
-
-               if (j == f->index)
-                       break;
-               ++j;
-       }
-       if (i == ARRAY_SIZE(formats))
-               return -EINVAL;
-       f->pixelformat = formats[i].fourcc;
-       return 0;
-}
-
-static int vidioc_enum_fmt_vid_cap(struct file *file, void *pirv,
-                                  struct v4l2_fmtdesc *f)
-{
-       return vidioc_enum_fmt(file, f, false);
-}
-
-static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
-                                  struct v4l2_fmtdesc *f)
-{
-       return vidioc_enum_fmt(file, f, true);
-}
-
-/* Get format */
-static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       struct v4l2_pix_format_mplane *pix_mp;
-
-       mfc_debug_enter();
-       pix_mp = &f->fmt.pix_mp;
-       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
-           (ctx->state == MFCINST_GOT_INST || ctx->state ==
-                                               MFCINST_RES_CHANGE_END)) {
-               /* If the MFC is parsing the header,
-                * so wait until it is finished */
-               s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
-                                                                       0);
-       }
-       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
-           ctx->state >= MFCINST_HEAD_PARSED &&
-           ctx->state < MFCINST_ABORT) {
-               /* This is run on CAPTURE (decode output) */
-               /* Width and height are set to the dimensions
-                  of the movie, the buffer is bigger and
-                  further processing stages should crop to this
-                  rectangle. */
-               pix_mp->width = ctx->buf_width;
-               pix_mp->height = ctx->buf_height;
-               pix_mp->field = V4L2_FIELD_NONE;
-               pix_mp->num_planes = 2;
-               /* Set pixelformat to the format in which MFC
-                  outputs the decoded frame */
-               pix_mp->pixelformat = ctx->dst_fmt->fourcc;
-               pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
-               pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
-               pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
-               pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
-       } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               /* This is run on OUTPUT
-                  The buffer contains compressed image
-                  so width and height have no meaning */
-               pix_mp->width = 0;
-               pix_mp->height = 0;
-               pix_mp->field = V4L2_FIELD_NONE;
-               pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
-               pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
-               pix_mp->pixelformat = ctx->src_fmt->fourcc;
-               pix_mp->num_planes = ctx->src_fmt->num_planes;
-       } else {
-               mfc_err("Format could not be read\n");
-               mfc_debug(2, "%s-- with error\n", __func__);
-               return -EINVAL;
-       }
-       mfc_debug_leave();
-       return 0;
-}
-
-/* Try format */
-static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
-{
-       struct s5p_mfc_dev *dev = video_drvdata(file);
-       struct s5p_mfc_fmt *fmt;
-
-       mfc_debug(2, "Type is %d\n", f->type);
-       if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               fmt = find_format(f, MFC_FMT_DEC);
-               if (!fmt) {
-                       mfc_err("Unsupported format for source.\n");
-                       return -EINVAL;
-               }
-               if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
-                       mfc_err("Unknown codec\n");
-                       return -EINVAL;
-               }
-               if ((dev->variant->version_bit & fmt->versions) == 0) {
-                       mfc_err("Unsupported format by this MFC version.\n");
-                       return -EINVAL;
-               }
-       } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               fmt = find_format(f, MFC_FMT_RAW);
-               if (!fmt) {
-                       mfc_err("Unsupported format for destination.\n");
-                       return -EINVAL;
-               }
-               if ((dev->variant->version_bit & fmt->versions) == 0) {
-                       mfc_err("Unsupported format by this MFC version.\n");
-                       return -EINVAL;
-               }
-       }
-
-       return 0;
-}
-
-/* Set format */
-static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
-{
-       struct s5p_mfc_dev *dev = video_drvdata(file);
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       int ret = 0;
-       struct v4l2_pix_format_mplane *pix_mp;
-       struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
-
-       mfc_debug_enter();
-       ret = vidioc_try_fmt(file, priv, f);
-       pix_mp = &f->fmt.pix_mp;
-       if (ret)
-               return ret;
-       if (vb2_is_streaming(&ctx->vq_src) || vb2_is_streaming(&ctx->vq_dst)) {
-               v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
-               ret = -EBUSY;
-               goto out;
-       }
-       if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               /* dst_fmt is validated by call to vidioc_try_fmt */
-               ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
-               ret = 0;
-               goto out;
-       } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               /* src_fmt is validated by call to vidioc_try_fmt */
-               ctx->src_fmt = find_format(f, MFC_FMT_DEC);
-               ctx->codec_mode = ctx->src_fmt->codec_mode;
-               mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
-               pix_mp->height = 0;
-               pix_mp->width = 0;
-               if (pix_mp->plane_fmt[0].sizeimage == 0)
-                       pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
-                                                               DEF_CPB_SIZE;
-               else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
-                       ctx->dec_src_buf_size = buf_size->cpb;
-               else
-                       ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
-               pix_mp->plane_fmt[0].bytesperline = 0;
-               ctx->state = MFCINST_INIT;
-               ret = 0;
-               goto out;
-       } else {
-               mfc_err("Wrong type error for S_FMT : %d", f->type);
-               ret = -EINVAL;
-               goto out;
-       }
-
-out:
-       mfc_debug_leave();
-       return ret;
-}
-
-static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
-                               struct v4l2_requestbuffers *reqbufs)
-{
-       int ret = 0;
-
-       s5p_mfc_clock_on();
-
-       if (reqbufs->count == 0) {
-               mfc_debug(2, "Freeing buffers\n");
-               ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
-               if (ret)
-                       goto out;
-               ctx->src_bufs_cnt = 0;
-               ctx->output_state = QUEUE_FREE;
-       } else if (ctx->output_state == QUEUE_FREE) {
-               /* Can only request buffers when we have a valid format set. */
-               WARN_ON(ctx->src_bufs_cnt != 0);
-               if (ctx->state != MFCINST_INIT) {
-                       mfc_err("Reqbufs called in an invalid state\n");
-                       ret = -EINVAL;
-                       goto out;
-               }
-
-               mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n",
-                               reqbufs->count);
-               ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
-               if (ret)
-                       goto out;
-
-               ret = s5p_mfc_open_mfc_inst(dev, ctx);
-               if (ret) {
-                       reqbufs->count = 0;
-                       vb2_reqbufs(&ctx->vq_src, reqbufs);
-                       goto out;
-               }
-
-               ctx->output_state = QUEUE_BUFS_REQUESTED;
-       } else {
-               mfc_err("Buffers have already been requested\n");
-               ret = -EINVAL;
-       }
-out:
-       s5p_mfc_clock_off();
-       if (ret)
-               mfc_err("Failed allocating buffers for OUTPUT queue\n");
-       return ret;
-}
-
-static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
-                               struct v4l2_requestbuffers *reqbufs)
-{
-       int ret = 0;
-
-       s5p_mfc_clock_on();
-
-       if (reqbufs->count == 0) {
-               mfc_debug(2, "Freeing buffers\n");
-               ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
-               if (ret)
-                       goto out;
-               s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx);
-               ctx->dst_bufs_cnt = 0;
-       } else if (ctx->capture_state == QUEUE_FREE) {
-               WARN_ON(ctx->dst_bufs_cnt != 0);
-               mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n",
-                               reqbufs->count);
-               ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
-               if (ret)
-                       goto out;
-
-               ctx->capture_state = QUEUE_BUFS_REQUESTED;
-               ctx->total_dpb_count = reqbufs->count;
-
-               ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
-               if (ret) {
-                       mfc_err("Failed to allocate decoding buffers\n");
-                       reqbufs->count = 0;
-                       vb2_reqbufs(&ctx->vq_dst, reqbufs);
-                       ret = -ENOMEM;
-                       ctx->capture_state = QUEUE_FREE;
-                       goto out;
-               }
-
-               WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count);
-               ctx->capture_state = QUEUE_BUFS_MMAPED;
-
-               if (s5p_mfc_ctx_ready(ctx))
-                       set_work_bit_irqsave(ctx);
-               s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
-               s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET,
-                                         0);
-       } else {
-               mfc_err("Buffers have already been requested\n");
-               ret = -EINVAL;
-       }
-out:
-       s5p_mfc_clock_off();
-       if (ret)
-               mfc_err("Failed allocating buffers for CAPTURE queue\n");
-       return ret;
-}
-
-/* Request buffers */
-static int vidioc_reqbufs(struct file *file, void *priv,
-                                         struct v4l2_requestbuffers *reqbufs)
-{
-       struct s5p_mfc_dev *dev = video_drvdata(file);
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-
-       if (reqbufs->memory != V4L2_MEMORY_MMAP) {
-               mfc_debug(2, "Only V4L2_MEMORY_MMAP is supported\n");
-               return -EINVAL;
-       }
-
-       if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               return reqbufs_output(dev, ctx, reqbufs);
-       } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               return reqbufs_capture(dev, ctx, reqbufs);
-       } else {
-               mfc_err("Invalid type requested\n");
-               return -EINVAL;
-       }
-}
-
-/* Query buffer */
-static int vidioc_querybuf(struct file *file, void *priv,
-                                                  struct v4l2_buffer *buf)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       int ret;
-       int i;
-
-       if (buf->memory != V4L2_MEMORY_MMAP) {
-               mfc_err("Only mmapped buffers can be used\n");
-               return -EINVAL;
-       }
-       mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
-       if (ctx->state == MFCINST_GOT_INST &&
-                       buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               ret = vb2_querybuf(&ctx->vq_src, buf);
-       } else if (ctx->state == MFCINST_RUNNING &&
-                       buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               ret = vb2_querybuf(&ctx->vq_dst, buf);
-               for (i = 0; i < buf->length; i++)
-                       buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
-       } else {
-               mfc_err("vidioc_querybuf called in an inappropriate state\n");
-               ret = -EINVAL;
-       }
-       mfc_debug_leave();
-       return ret;
-}
-
-/* Queue a buffer */
-static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-
-       if (ctx->state == MFCINST_ERROR) {
-               mfc_err("Call on QBUF after unrecoverable error\n");
-               return -EIO;
-       }
-       if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
-               return vb2_qbuf(&ctx->vq_src, NULL, buf);
-       else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
-               return vb2_qbuf(&ctx->vq_dst, NULL, buf);
-       return -EINVAL;
-}
-
-/* Dequeue a buffer */
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
-{
-       const struct v4l2_event ev = {
-               .type = V4L2_EVENT_EOS
-       };
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       int ret;
-
-       if (ctx->state == MFCINST_ERROR) {
-               mfc_err_limited("Call on DQBUF after unrecoverable error\n");
-               return -EIO;
-       }
-
-       switch (buf->type) {
-       case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
-               return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
-       case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
-               ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
-               if (ret)
-                       return ret;
-
-               if (ctx->state == MFCINST_FINISHED &&
-                   (ctx->dst_bufs[buf->index].flags & MFC_BUF_FLAG_EOS))
-                       v4l2_event_queue_fh(&ctx->fh, &ev);
-               return 0;
-       default:
-               return -EINVAL;
-       }
-}
-
-/* Export DMA buffer */
-static int vidioc_expbuf(struct file *file, void *priv,
-       struct v4l2_exportbuffer *eb)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-
-       if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
-               return vb2_expbuf(&ctx->vq_src, eb);
-       if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
-               return vb2_expbuf(&ctx->vq_dst, eb);
-       return -EINVAL;
-}
-
-/* Stream on */
-static int vidioc_streamon(struct file *file, void *priv,
-                          enum v4l2_buf_type type)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       int ret = -EINVAL;
-
-       mfc_debug_enter();
-       if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
-               ret = vb2_streamon(&ctx->vq_src, type);
-       else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
-               ret = vb2_streamon(&ctx->vq_dst, type);
-       mfc_debug_leave();
-       return ret;
-}
-
-/* Stream off, which equals to a pause */
-static int vidioc_streamoff(struct file *file, void *priv,
-                           enum v4l2_buf_type type)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-
-       if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
-               return vb2_streamoff(&ctx->vq_src, type);
-       else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
-               return vb2_streamoff(&ctx->vq_dst, type);
-       return -EINVAL;
-}
-
-/* Set controls - v4l2 control framework */
-static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-       struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
-
-       switch (ctrl->id) {
-       case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
-       case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
-               ctx->display_delay = ctrl->val;
-               break;
-       case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
-       case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
-               ctx->display_delay_enable = ctrl->val;
-               break;
-       case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
-               ctx->loop_filter_mpeg4 = ctrl->val;
-               break;
-       case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
-               ctx->slice_interface = ctrl->val;
-               break;
-       default:
-               mfc_err("Invalid control 0x%08x\n", ctrl->id);
-               return -EINVAL;
-       }
-       return 0;
-}
-
-static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
-{
-       struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
-       struct s5p_mfc_dev *dev = ctx->dev;
-
-       switch (ctrl->id) {
-       case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
-               if (ctx->state >= MFCINST_HEAD_PARSED &&
-                   ctx->state < MFCINST_ABORT) {
-                       ctrl->val = ctx->pb_count;
-                       break;
-               } else if (ctx->state != MFCINST_INIT &&
-                               ctx->state != MFCINST_RES_CHANGE_END) {
-                       v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
-                       return -EINVAL;
-               }
-               /* Should wait for the header to be parsed */
-               s5p_mfc_wait_for_done_ctx(ctx,
-                               S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
-               if (ctx->state >= MFCINST_HEAD_PARSED &&
-                   ctx->state < MFCINST_ABORT) {
-                       ctrl->val = ctx->pb_count;
-               } else {
-                       v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
-                       return -EINVAL;
-               }
-               break;
-       }
-       return 0;
-}
-
-
-static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
-       .s_ctrl = s5p_mfc_dec_s_ctrl,
-       .g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
-};
-
-/* Get compose information */
-static int vidioc_g_selection(struct file *file, void *priv,
-                             struct v4l2_selection *s)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       struct s5p_mfc_dev *dev = ctx->dev;
-       u32 left, right, top, bottom;
-       u32 width, height;
-
-       if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-               return -EINVAL;
-
-       if (ctx->state != MFCINST_HEAD_PARSED &&
-           ctx->state != MFCINST_RUNNING &&
-           ctx->state != MFCINST_FINISHING &&
-           ctx->state != MFCINST_FINISHED) {
-               mfc_err("Can not get compose information\n");
-               return -EINVAL;
-       }
-       if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
-               left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
-               right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
-               left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
-               top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
-               bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
-               top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
-               width = ctx->img_width - left - right;
-               height = ctx->img_height - top - bottom;
-               mfc_debug(2, "Composing info [h264]: l=%d t=%d w=%d h=%d (r=%d b=%d fw=%d fh=%d\n",
-                         left, top, s->r.width, s->r.height, right, bottom,
-                         ctx->buf_width, ctx->buf_height);
-       } else {
-               left = 0;
-               top = 0;
-               width = ctx->img_width;
-               height = ctx->img_height;
-               mfc_debug(2, "Composing info: w=%d h=%d fw=%d fh=%d\n",
-                         s->r.width, s->r.height, ctx->buf_width,
-                         ctx->buf_height);
-       }
-
-       switch (s->target) {
-       case V4L2_SEL_TGT_COMPOSE:
-       case V4L2_SEL_TGT_COMPOSE_DEFAULT:
-       case V4L2_SEL_TGT_COMPOSE_BOUNDS:
-               s->r.left = left;
-               s->r.top = top;
-               s->r.width = width;
-               s->r.height = height;
-               break;
-       default:
-               return -EINVAL;
-       }
-       return 0;
-}
-
-static int vidioc_decoder_cmd(struct file *file, void *priv,
-                             struct v4l2_decoder_cmd *cmd)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
-       struct s5p_mfc_dev *dev = ctx->dev;
-       struct s5p_mfc_buf *buf;
-       unsigned long flags;
-
-       switch (cmd->cmd) {
-       case V4L2_DEC_CMD_STOP:
-               if (cmd->flags != 0)
-                       return -EINVAL;
-
-               if (!vb2_is_streaming(&ctx->vq_src))
-                       return -EINVAL;
-
-               spin_lock_irqsave(&dev->irqlock, flags);
-               if (list_empty(&ctx->src_queue)) {
-                       mfc_err("EOS: empty src queue, entering finishing state");
-                       ctx->state = MFCINST_FINISHING;
-                       if (s5p_mfc_ctx_ready(ctx))
-                               set_work_bit_irqsave(ctx);
-                       spin_unlock_irqrestore(&dev->irqlock, flags);
-                       s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
-               } else {
-                       mfc_err("EOS: marking last buffer of stream");
-                       buf = list_entry(ctx->src_queue.prev,
-                                               struct s5p_mfc_buf, list);
-                       if (buf->flags & MFC_BUF_FLAG_USED)
-                               ctx->state = MFCINST_FINISHING;
-                       else
-                               buf->flags |= MFC_BUF_FLAG_EOS;
-                       spin_unlock_irqrestore(&dev->irqlock, flags);
-               }
-               break;
-       default:
-               return -EINVAL;
-       }
-       return 0;
-}
-
-static int vidioc_subscribe_event(struct v4l2_fh *fh,
-                               const struct  v4l2_event_subscription *sub)
-{
-       switch (sub->type) {
-       case V4L2_EVENT_EOS:
-               return v4l2_event_subscribe(fh, sub, 2, NULL);
-       case V4L2_EVENT_SOURCE_CHANGE:
-               return v4l2_src_change_event_subscribe(fh, sub);
-       default:
-               return -EINVAL;
-       }
-}
-
-
-/* v4l2_ioctl_ops */
-static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
-       .vidioc_querycap = vidioc_querycap,
-       .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
-       .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out,
-       .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
-       .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
-       .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
-       .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
-       .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
-       .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
-       .vidioc_reqbufs = vidioc_reqbufs,
-       .vidioc_querybuf = vidioc_querybuf,
-       .vidioc_qbuf = vidioc_qbuf,
-       .vidioc_dqbuf = vidioc_dqbuf,
-       .vidioc_expbuf = vidioc_expbuf,
-       .vidioc_streamon = vidioc_streamon,
-       .vidioc_streamoff = vidioc_streamoff,
-       .vidioc_g_selection = vidioc_g_selection,
-       .vidioc_decoder_cmd = vidioc_decoder_cmd,
-       .vidioc_subscribe_event = vidioc_subscribe_event,
-       .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-};
-
-static int s5p_mfc_queue_setup(struct vb2_queue *vq,
-                       unsigned int *buf_count,
-                       unsigned int *plane_count, unsigned int psize[],
-                       struct device *alloc_devs[])
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
-       struct s5p_mfc_dev *dev = ctx->dev;
-
-       /* Video output for decoding (source)
-        * this can be set after getting an instance */
-       if (ctx->state == MFCINST_INIT &&
-           vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               /* A single plane is required for input */
-               *plane_count = 1;
-               if (*buf_count < 1)
-                       *buf_count = 1;
-               if (*buf_count > MFC_MAX_BUFFERS)
-                       *buf_count = MFC_MAX_BUFFERS;
-       /* Video capture for decoding (destination)
-        * this can be set after the header was parsed */
-       } else if (ctx->state == MFCINST_HEAD_PARSED &&
-                  vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               /* Output plane count is 2 - one for Y and one for CbCr */
-               *plane_count = 2;
-               /* Setup buffer count */
-               if (*buf_count < ctx->pb_count)
-                       *buf_count = ctx->pb_count;
-               if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
-                       *buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
-               if (*buf_count > MFC_MAX_BUFFERS)
-                       *buf_count = MFC_MAX_BUFFERS;
-       } else {
-               mfc_err("State seems invalid. State = %d, vq->type = %d\n",
-                                                       ctx->state, vq->type);
-               return -EINVAL;
-       }
-       mfc_debug(2, "Buffer count=%d, plane count=%d\n",
-                                               *buf_count, *plane_count);
-       if (ctx->state == MFCINST_HEAD_PARSED &&
-           vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               psize[0] = ctx->luma_size;
-               psize[1] = ctx->chroma_size;
-
-               if (IS_MFCV6_PLUS(dev))
-                       alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX];
-               else
-                       alloc_devs[0] = ctx->dev->mem_dev[BANK_R_CTX];
-               alloc_devs[1] = ctx->dev->mem_dev[BANK_L_CTX];
-       } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
-                  ctx->state == MFCINST_INIT) {
-               psize[0] = ctx->dec_src_buf_size;
-               alloc_devs[0] = ctx->dev->mem_dev[BANK_L_CTX];
-       } else {
-               mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
-               return -EINVAL;
-       }
-       return 0;
-}
-
-static int s5p_mfc_buf_init(struct vb2_buffer *vb)
-{
-       struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
-       struct vb2_queue *vq = vb->vb2_queue;
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
-       unsigned int i;
-
-       if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               if (ctx->capture_state == QUEUE_BUFS_MMAPED)
-                       return 0;
-               for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
-                       if (IS_ERR_OR_NULL(ERR_PTR(
-                                       vb2_dma_contig_plane_dma_addr(vb, i)))) {
-                               mfc_err("Plane mem not allocated\n");
-                               return -EINVAL;
-                       }
-               }
-               if (vb2_plane_size(vb, 0) < ctx->luma_size ||
-                       vb2_plane_size(vb, 1) < ctx->chroma_size) {
-                       mfc_err("Plane buffer (CAPTURE) is too small\n");
-                       return -EINVAL;
-               }
-               i = vb->index;
-               ctx->dst_bufs[i].b = vbuf;
-               ctx->dst_bufs[i].cookie.raw.luma =
-                                       vb2_dma_contig_plane_dma_addr(vb, 0);
-               ctx->dst_bufs[i].cookie.raw.chroma =
-                                       vb2_dma_contig_plane_dma_addr(vb, 1);
-               ctx->dst_bufs_cnt++;
-       } else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               if (IS_ERR_OR_NULL(ERR_PTR(
-                                       vb2_dma_contig_plane_dma_addr(vb, 0)))) {
-                       mfc_err("Plane memory not allocated\n");
-                       return -EINVAL;
-               }
-               if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
-                       mfc_err("Plane buffer (OUTPUT) is too small\n");
-                       return -EINVAL;
-               }
-
-               i = vb->index;
-               ctx->src_bufs[i].b = vbuf;
-               ctx->src_bufs[i].cookie.stream =
-                                       vb2_dma_contig_plane_dma_addr(vb, 0);
-               ctx->src_bufs_cnt++;
-       } else {
-               mfc_err("s5p_mfc_buf_init: unknown queue type\n");
-               return -EINVAL;
-       }
-       return 0;
-}
-
-static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
-{
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
-       struct s5p_mfc_dev *dev = ctx->dev;
-
-       v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
-       if (ctx->state == MFCINST_FINISHING ||
-               ctx->state == MFCINST_FINISHED)
-               ctx->state = MFCINST_RUNNING;
-       /* If context is ready then dev = work->data;schedule it to run */
-       if (s5p_mfc_ctx_ready(ctx))
-               set_work_bit_irqsave(ctx);
-       s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
-       return 0;
-}
-
-static void s5p_mfc_stop_streaming(struct vb2_queue *q)
-{
-       unsigned long flags;
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
-       struct s5p_mfc_dev *dev = ctx->dev;
-       int aborted = 0;
-
-       spin_lock_irqsave(&dev->irqlock, flags);
-       if ((ctx->state == MFCINST_FINISHING ||
-               ctx->state ==  MFCINST_RUNNING) &&
-               dev->curr_ctx == ctx->num && dev->hw_lock) {
-               ctx->state = MFCINST_ABORT;
-               spin_unlock_irqrestore(&dev->irqlock, flags);
-               s5p_mfc_wait_for_done_ctx(ctx,
-                                       S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
-               aborted = 1;
-               spin_lock_irqsave(&dev->irqlock, flags);
-       }
-       if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
-               INIT_LIST_HEAD(&ctx->dst_queue);
-               ctx->dst_queue_cnt = 0;
-               ctx->dpb_flush_flag = 1;
-               ctx->dec_dst_flag = 0;
-               if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
-                       ctx->state = MFCINST_FLUSH;
-                       set_work_bit_irqsave(ctx);
-                       s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
-                       spin_unlock_irqrestore(&dev->irqlock, flags);
-                       if (s5p_mfc_wait_for_done_ctx(ctx,
-                               S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
-                               mfc_err("Err flushing buffers\n");
-                       spin_lock_irqsave(&dev->irqlock, flags);
-               }
-       } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
-               INIT_LIST_HEAD(&ctx->src_queue);
-               ctx->src_queue_cnt = 0;
-       }
-       if (aborted)
-               ctx->state = MFCINST_RUNNING;
-       spin_unlock_irqrestore(&dev->irqlock, flags);
-}
-
-
-static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
-{
-       struct vb2_queue *vq = vb->vb2_queue;
-       struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
-       struct s5p_mfc_dev *dev = ctx->dev;
-       unsigned long flags;
-       struct s5p_mfc_buf *mfc_buf;
-
-       if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
-               mfc_buf = &ctx->src_bufs[vb->index];
-               mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
-               spin_lock_irqsave(&dev->irqlock, flags);
-               list_add_tail(&mfc_buf->list, &ctx->src_queue);
-               ctx->src_queue_cnt++;
-               spin_unlock_irqrestore(&dev->irqlock, flags);
-       } else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
-               mfc_buf = &ctx->dst_bufs[vb->index];
-               mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
-               /* Mark destination as available for use by MFC */
-               spin_lock_irqsave(&dev->irqlock, flags);
-               set_bit(vb->index, &ctx->dec_dst_flag);
-               list_add_tail(&mfc_buf->list, &ctx->dst_queue);
-               ctx->dst_queue_cnt++;
-               spin_unlock_irqrestore(&dev->irqlock, flags);
-       } else {
-               mfc_err("Unsupported buffer type (%d)\n", vq->type);
-       }
-       if (s5p_mfc_ctx_ready(ctx))
-               set_work_bit_irqsave(ctx);
-       s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
-}
-
-static struct vb2_ops s5p_mfc_dec_qops = {
-       .queue_setup            = s5p_mfc_queue_setup,
-       .wait_prepare           = vb2_ops_wait_prepare,
-       .wait_finish            = vb2_ops_wait_finish,
-       .buf_init               = s5p_mfc_buf_init,
-       .start_streaming        = s5p_mfc_start_streaming,
-       .stop_streaming         = s5p_mfc_stop_streaming,
-       .buf_queue              = s5p_mfc_buf_queue,
-};
-
-const struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
-{
-       return &decoder_codec_ops;
-}
-
-struct vb2_ops *get_dec_queue_ops(void)
-{
-       return &s5p_mfc_dec_qops;
-}
-
-const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
-{
-       return &s5p_mfc_dec_ioctl_ops;
-}
-
-#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2WHICH(x) == V4L2_CTRL_CLASS_CODEC) \
-                                               && V4L2_CTRL_DRIVER_PRIV(x))
-
-int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
-{
-       struct v4l2_ctrl_config cfg;
-       int i;
-
-       v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
-       if (ctx->ctrl_handler.error) {
-               mfc_err("v4l2_ctrl_handler_init failed\n");
-               return ctx->ctrl_handler.error;
-       }
-
-       for (i = 0; i < NUM_CTRLS; i++) {
-               if (IS_MFC51_PRIV(controls[i].id)) {
-                       memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
-                       cfg.ops = &s5p_mfc_dec_ctrl_ops;
-                       cfg.id = controls[i].id;
-                       cfg.min = controls[i].minimum;
-                       cfg.max = controls[i].maximum;
-                       cfg.def = controls[i].default_value;
-                       cfg.name = controls[i].name;
-                       cfg.type = controls[i].type;
-
-                       cfg.step = controls[i].step;
-                       cfg.menu_skip_mask = 0;
-
-                       ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
-                                       &cfg, NULL);
-               } else {
-                       ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-                                       &s5p_mfc_dec_ctrl_ops,
-                                       controls[i].id, controls[i].minimum,
-                                       controls[i].maximum, controls[i].step,
-                                       controls[i].default_value);
-               }
-               if (ctx->ctrl_handler.error) {
-                       mfc_err("Adding control (%d) failed\n", i);
-                       return ctx->ctrl_handler.error;
-               }
-               if (controls[i].is_volatile && ctx->ctrls[i])
-                       ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
-       }
-       return 0;
-}
-
-void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
-{
-       int i;
-
-       v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-       for (i = 0; i < NUM_CTRLS; i++)
-               ctx->ctrls[i] = NULL;
-}
-
-void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
-{
-       struct v4l2_format f;
-       f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
-       ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
-       if (IS_MFCV8_PLUS(ctx->dev))
-               f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
-       else if (IS_MFCV6_PLUS(ctx->dev))
-               f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
-       else
-               f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
-       ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
-       mfc_debug(2, "Default src_fmt is %p, dest_fmt is %p\n",
-                       ctx->src_fmt, ctx->dst_fmt);
-}
-