media: mediatek: vcodec: separate decoder and encoder

Move all decoder files to folder decoder.
Move all encoder files to folder encoder.
Move common files which shared for encoder and decoder to folder common.

Change include header files and Makefile to fix build error.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

1 files changed, 1002 insertions, 0 deletions

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
new file mode 100644
index 000000000000..5acb7dff18f2
--- /dev/null
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
@@ -0,0 +1,1002 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: PC Chen <pc.chen@mediatek.com>
+ *         Tiffany Lin <tiffany.lin@mediatek.com>
+ */
+
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "mtk_vcodec_dec_drv.h"
+#include "mtk_vcodec_dec.h"
+#include "vdec_drv_if.h"
+#include "mtk_vcodec_dec_pm.h"
+
+#define DFT_CFG_WIDTH	MTK_VDEC_MIN_W
+#define DFT_CFG_HEIGHT	MTK_VDEC_MIN_H
+
+static const struct mtk_video_fmt *
+mtk_vdec_find_format(struct v4l2_format *f,
+		     const struct mtk_vcodec_dec_pdata *dec_pdata)
+{
+	const struct mtk_video_fmt *fmt;
+	unsigned int k;
+
+	for (k = 0; k < *dec_pdata->num_formats; k++) {
+		fmt = &dec_pdata->vdec_formats[k];
+		if (fmt->fourcc == f->fmt.pix_mp.pixelformat)
+			return fmt;
+	}
+
+	return NULL;
+}
+
+static bool mtk_vdec_get_cap_fmt(struct mtk_vcodec_dec_ctx *ctx, int format_index)
+{
+	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
+	const struct mtk_video_fmt *fmt;
+	int num_frame_count = 0, i;
+
+	fmt = &dec_pdata->vdec_formats[format_index];
+	for (i = 0; i < *dec_pdata->num_formats; i++) {
+		if (dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
+			continue;
+
+		num_frame_count++;
+	}
+
+	if (num_frame_count == 1 || fmt->fourcc == V4L2_PIX_FMT_MM21)
+		return true;
+
+	return false;
+}
+
+static struct mtk_q_data *mtk_vdec_get_q_data(struct mtk_vcodec_dec_ctx *ctx,
+					      enum v4l2_buf_type type)
+{
+	if (V4L2_TYPE_IS_OUTPUT(type))
+		return &ctx->q_data[MTK_Q_DATA_SRC];
+
+	return &ctx->q_data[MTK_Q_DATA_DST];
+}
+
+static int vidioc_try_decoder_cmd(struct file *file, void *priv,
+				struct v4l2_decoder_cmd *cmd)
+{
+	return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
+}
+
+
+static int vidioc_decoder_cmd(struct file *file, void *priv,
+				struct v4l2_decoder_cmd *cmd)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	struct vb2_queue *src_vq, *dst_vq;
+	int ret;
+
+	ret = vidioc_try_decoder_cmd(file, priv, cmd);
+	if (ret)
+		return ret;
+
+	mtk_v4l2_vdec_dbg(1, ctx, "decoder cmd=%u", cmd->cmd);
+	dst_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
+				V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	switch (cmd->cmd) {
+	case V4L2_DEC_CMD_STOP:
+		src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
+				V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+		if (!vb2_is_streaming(src_vq)) {
+			mtk_v4l2_vdec_dbg(1, ctx, "Output stream is off. No need to flush.");
+			return 0;
+		}
+		if (!vb2_is_streaming(dst_vq)) {
+			mtk_v4l2_vdec_dbg(1, ctx, "Capture stream is off. No need to flush.");
+			return 0;
+		}
+		v4l2_m2m_buf_queue(ctx->m2m_ctx, &ctx->empty_flush_buf.vb);
+		v4l2_m2m_try_schedule(ctx->m2m_ctx);
+		break;
+
+	case V4L2_DEC_CMD_START:
+		vb2_clear_last_buffer_dequeued(dst_vq);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx)
+{
+	mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]);
+}
+
+void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx)
+{
+	mutex_lock(&ctx->dev->dec_mutex[ctx->hw_id]);
+}
+
+void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx)
+{
+	vdec_if_deinit(ctx);
+	ctx->state = MTK_STATE_FREE;
+}
+
+void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx)
+{
+	struct mtk_q_data *q_data;
+
+	ctx->m2m_ctx->q_lock = &ctx->dev->dev_mutex;
+	ctx->fh.m2m_ctx = ctx->m2m_ctx;
+	ctx->fh.ctrl_handler = &ctx->ctrl_hdl;
+	INIT_WORK(&ctx->decode_work, ctx->dev->vdec_pdata->worker);
+	ctx->colorspace = V4L2_COLORSPACE_REC709;
+	ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+	ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
+	ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+
+	q_data = &ctx->q_data[MTK_Q_DATA_SRC];
+	memset(q_data, 0, sizeof(struct mtk_q_data));
+	q_data->visible_width = DFT_CFG_WIDTH;
+	q_data->visible_height = DFT_CFG_HEIGHT;
+	q_data->fmt = ctx->dev->vdec_pdata->default_out_fmt;
+	q_data->field = V4L2_FIELD_NONE;
+
+	q_data->sizeimage[0] = DFT_CFG_WIDTH * DFT_CFG_HEIGHT;
+	q_data->bytesperline[0] = 0;
+
+	q_data = &ctx->q_data[MTK_Q_DATA_DST];
+	memset(q_data, 0, sizeof(struct mtk_q_data));
+	q_data->visible_width = DFT_CFG_WIDTH;
+	q_data->visible_height = DFT_CFG_HEIGHT;
+	q_data->coded_width = DFT_CFG_WIDTH;
+	q_data->coded_height = DFT_CFG_HEIGHT;
+	q_data->fmt = ctx->dev->vdec_pdata->default_cap_fmt;
+	q_data->field = V4L2_FIELD_NONE;
+
+	q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
+	q_data->bytesperline[0] = q_data->coded_width;
+	q_data->sizeimage[1] = q_data->sizeimage[0] / 2;
+	q_data->bytesperline[1] = q_data->coded_width;
+}
+
+static int vidioc_vdec_qbuf(struct file *file, void *priv,
+			    struct v4l2_buffer *buf)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+
+	if (ctx->state == MTK_STATE_ABORT) {
+		mtk_v4l2_vdec_err(ctx, "[%d] Call on QBUF after unrecoverable error", ctx->id);
+		return -EIO;
+	}
+
+	return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
+}
+
+static int vidioc_vdec_dqbuf(struct file *file, void *priv,
+			     struct v4l2_buffer *buf)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+
+	if (ctx->state == MTK_STATE_ABORT) {
+		mtk_v4l2_vdec_err(ctx, "[%d] Call on DQBUF after unrecoverable error", ctx->id);
+		return -EIO;
+	}
+
+	return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
+}
+
+static int mtk_vcodec_dec_get_chip_name(void *priv)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	struct device *dev = &ctx->dev->plat_dev->dev;
+
+	if (of_device_is_compatible(dev->of_node, "mediatek,mt8173-vcodec-dec"))
+		return 8173;
+	else if (of_device_is_compatible(dev->of_node, "mediatek,mt8183-vcodec-dec"))
+		return 8183;
+	else if (of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-dec"))
+		return 8192;
+	else if (of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-dec"))
+		return 8195;
+	else if (of_device_is_compatible(dev->of_node, "mediatek,mt8186-vcodec-dec"))
+		return 8186;
+	else if (of_device_is_compatible(dev->of_node, "mediatek,mt8188-vcodec-dec"))
+		return 8188;
+	else
+		return 8173;
+}
+
+static int vidioc_vdec_querycap(struct file *file, void *priv,
+				struct v4l2_capability *cap)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	struct device *dev = &ctx->dev->plat_dev->dev;
+	int platform_name = mtk_vcodec_dec_get_chip_name(priv);
+
+	strscpy(cap->driver, dev->driver->name, sizeof(cap->driver));
+	snprintf(cap->card, sizeof(cap->card), "MT%d video decoder", platform_name);
+
+	return 0;
+}
+
+static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
+				     const struct v4l2_event_subscription *sub)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(fh);
+
+	if (ctx->dev->vdec_pdata->uses_stateless_api)
+		return v4l2_ctrl_subscribe_event(fh, 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 v4l2_ctrl_subscribe_event(fh, sub);
+	}
+}
+
+static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
+			  const struct mtk_video_fmt *fmt)
+{
+	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
+	const struct v4l2_frmsize_stepwise *frmsize;
+
+	pix_fmt_mp->field = V4L2_FIELD_NONE;
+
+	/* Always apply frame size constraints from the coded side */
+	if (V4L2_TYPE_IS_OUTPUT(f->type))
+		frmsize = &fmt->frmsize;
+	else
+		frmsize = &ctx->q_data[MTK_Q_DATA_SRC].fmt->frmsize;
+
+	pix_fmt_mp->width = clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width);
+	pix_fmt_mp->height = clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height);
+
+	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		pix_fmt_mp->num_planes = 1;
+		pix_fmt_mp->plane_fmt[0].bytesperline = 0;
+	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		int tmp_w, tmp_h;
+
+		/*
+		 * Find next closer width align 64, heign align 64, size align
+		 * 64 rectangle
+		 * Note: This only get default value, the real HW needed value
+		 *       only available when ctx in MTK_STATE_HEADER state
+		 */
+		tmp_w = pix_fmt_mp->width;
+		tmp_h = pix_fmt_mp->height;
+		v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
+				      &pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
+				      9);
+
+		if (pix_fmt_mp->width < tmp_w &&
+		    (pix_fmt_mp->width + 64) <= frmsize->max_width)
+			pix_fmt_mp->width += 64;
+		if (pix_fmt_mp->height < tmp_h &&
+		    (pix_fmt_mp->height + 64) <= frmsize->max_height)
+			pix_fmt_mp->height += 64;
+
+		mtk_v4l2_vdec_dbg(0, ctx,
+				  "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
+				  tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
+				  pix_fmt_mp->width * pix_fmt_mp->height);
+
+		pix_fmt_mp->num_planes = fmt->num_planes;
+		pix_fmt_mp->plane_fmt[0].sizeimage =
+				pix_fmt_mp->width * pix_fmt_mp->height;
+		pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
+
+		if (pix_fmt_mp->num_planes == 2) {
+			pix_fmt_mp->plane_fmt[1].sizeimage =
+				(pix_fmt_mp->width * pix_fmt_mp->height) / 2;
+			pix_fmt_mp->plane_fmt[1].bytesperline =
+				pix_fmt_mp->width;
+		}
+	}
+
+	pix_fmt_mp->flags = 0;
+	return 0;
+}
+
+static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	const struct mtk_video_fmt *fmt;
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
+
+	fmt = mtk_vdec_find_format(f, dec_pdata);
+	if (!fmt) {
+		f->fmt.pix.pixelformat =
+			ctx->q_data[MTK_Q_DATA_DST].fmt->fourcc;
+		fmt = mtk_vdec_find_format(f, dec_pdata);
+	}
+
+	return vidioc_try_fmt(ctx, f, fmt);
+}
+
+static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
+				struct v4l2_format *f)
+{
+	struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
+	const struct mtk_video_fmt *fmt;
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
+
+	fmt = mtk_vdec_find_format(f, dec_pdata);
+	if (!fmt) {
+		f->fmt.pix.pixelformat =
+			ctx->q_data[MTK_Q_DATA_SRC].fmt->fourcc;
+		fmt = mtk_vdec_find_format(f, dec_pdata);
+	}
+
+	if (pix_fmt_mp->plane_fmt[0].sizeimage == 0) {
+		mtk_v4l2_vdec_err(ctx, "sizeimage of output format must be given");
+		return -EINVAL;
+	}
+
+	return vidioc_try_fmt(ctx, f, fmt);
+}
+
+static int vidioc_vdec_g_selection(struct file *file, void *priv,
+			struct v4l2_selection *s)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	struct mtk_q_data *q_data;
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	q_data = &ctx->q_data[MTK_Q_DATA_DST];
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = ctx->picinfo.pic_w;
+		s->r.height = ctx->picinfo.pic_h;
+		break;
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = ctx->picinfo.buf_w;
+		s->r.height = ctx->picinfo.buf_h;
+		break;
+	case V4L2_SEL_TGT_COMPOSE:
+		if (vdec_if_get_param(ctx, GET_PARAM_CROP_INFO, &(s->r))) {
+			/* set to default value if header info not ready yet*/
+			s->r.left = 0;
+			s->r.top = 0;
+			s->r.width = q_data->visible_width;
+			s->r.height = q_data->visible_height;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (ctx->state < MTK_STATE_HEADER) {
+		/* set to default value if header info not ready yet*/
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = q_data->visible_width;
+		s->r.height = q_data->visible_height;
+		return 0;
+	}
+
+	return 0;
+}
+
+static int vidioc_vdec_s_selection(struct file *file, void *priv,
+				struct v4l2_selection *s)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_COMPOSE:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = ctx->picinfo.pic_w;
+		s->r.height = ctx->picinfo.pic_h;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vidioc_vdec_s_fmt(struct file *file, void *priv,
+			     struct v4l2_format *f)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	struct v4l2_pix_format_mplane *pix_mp;
+	struct mtk_q_data *q_data;
+	int ret = 0;
+	const struct mtk_video_fmt *fmt;
+	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
+
+	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
+
+	q_data = mtk_vdec_get_q_data(ctx, f->type);
+	if (!q_data)
+		return -EINVAL;
+
+	pix_mp = &f->fmt.pix_mp;
+	/*
+	 * Setting OUTPUT format after OUTPUT buffers are allocated is invalid
+	 * if using the stateful API.
+	 */
+	if (!dec_pdata->uses_stateless_api &&
+	    f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
+	    vb2_is_busy(&ctx->m2m_ctx->out_q_ctx.q)) {
+		mtk_v4l2_vdec_err(ctx, "out_q_ctx buffers already requested");
+		ret = -EBUSY;
+	}
+
+	/*
+	 * Setting CAPTURE format after CAPTURE buffers are allocated is
+	 * invalid.
+	 */
+	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
+	    vb2_is_busy(&ctx->m2m_ctx->cap_q_ctx.q)) {
+		mtk_v4l2_vdec_err(ctx, "cap_q_ctx buffers already requested");
+		ret = -EBUSY;
+	}
+
+	fmt = mtk_vdec_find_format(f, dec_pdata);
+	if (fmt == NULL) {
+		if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+			f->fmt.pix.pixelformat =
+				dec_pdata->default_out_fmt->fourcc;
+			fmt = mtk_vdec_find_format(f, dec_pdata);
+		} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+			f->fmt.pix.pixelformat =
+				dec_pdata->default_cap_fmt->fourcc;
+			fmt = mtk_vdec_find_format(f, dec_pdata);
+		}
+	}
+	if (fmt == NULL)
+		return -EINVAL;
+
+	q_data->fmt = fmt;
+	vidioc_try_fmt(ctx, f, q_data->fmt);
+	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
+		q_data->coded_width = pix_mp->width;
+		q_data->coded_height = pix_mp->height;
+
+		ctx->colorspace = pix_mp->colorspace;
+		ctx->ycbcr_enc = pix_mp->ycbcr_enc;
+		ctx->quantization = pix_mp->quantization;
+		ctx->xfer_func = pix_mp->xfer_func;
+
+		ctx->current_codec = fmt->fourcc;
+		if (ctx->state == MTK_STATE_FREE) {
+			ret = vdec_if_init(ctx, q_data->fmt->fourcc);
+			if (ret) {
+				mtk_v4l2_vdec_err(ctx, "[%d]: vdec_if_init() fail ret=%d",
+						  ctx->id, ret);
+				return -EINVAL;
+			}
+			ctx->state = MTK_STATE_INIT;
+		}
+	} else {
+		ctx->capture_fourcc = fmt->fourcc;
+	}
+
+	/*
+	 * If using the stateless API, S_FMT should have the effect of setting
+	 * the CAPTURE queue resolution no matter which queue it was called on.
+	 */
+	if (dec_pdata->uses_stateless_api) {
+		ctx->picinfo.pic_w = pix_mp->width;
+		ctx->picinfo.pic_h = pix_mp->height;
+
+		/*
+		 * If get pic info fail, need to use the default pic info params, or
+		 * v4l2-compliance will fail
+		 */
+		ret = vdec_if_get_param(ctx, GET_PARAM_PIC_INFO, &ctx->picinfo);
+		if (ret) {
+			mtk_v4l2_vdec_err(ctx, "[%d]Error!! Get GET_PARAM_PICTURE_INFO Fail",
+					  ctx->id);
+		}
+
+		ctx->last_decoded_picinfo = ctx->picinfo;
+
+		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 1) {
+			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
+				ctx->picinfo.fb_sz[0] +
+				ctx->picinfo.fb_sz[1];
+			ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
+				ctx->picinfo.buf_w;
+		} else {
+			ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
+				ctx->picinfo.fb_sz[0];
+			ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
+				ctx->picinfo.buf_w;
+			ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
+				ctx->picinfo.fb_sz[1];
+			ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] =
+				ctx->picinfo.buf_w;
+		}
+
+		ctx->q_data[MTK_Q_DATA_DST].coded_width = ctx->picinfo.buf_w;
+		ctx->q_data[MTK_Q_DATA_DST].coded_height = ctx->picinfo.buf_h;
+		mtk_v4l2_vdec_dbg(2, ctx,
+				  "[%d] init() plane:%d wxh=%dx%d pic wxh=%dx%d sz=0x%x_0x%x",
+				  ctx->id, pix_mp->num_planes,
+				  ctx->picinfo.buf_w, ctx->picinfo.buf_h,
+				  ctx->picinfo.pic_w, ctx->picinfo.pic_h,
+				  ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
+				  ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
+	}
+	return 0;
+}
+
+static int vidioc_enum_framesizes(struct file *file, void *priv,
+				struct v4l2_frmsizeenum *fsize)
+{
+	int i = 0;
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
+
+	if (fsize->index != 0)
+		return -EINVAL;
+
+	for (i = 0; i < *dec_pdata->num_formats; i++) {
+		if (fsize->pixel_format != dec_pdata->vdec_formats[i].fourcc)
+			continue;
+
+		/* Only coded formats have frame sizes set */
+		if (!dec_pdata->vdec_formats[i].frmsize.max_width)
+			return -ENOTTY;
+
+		fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+		fsize->stepwise = dec_pdata->vdec_formats[i].frmsize;
+
+		mtk_v4l2_vdec_dbg(1, ctx, "%x, %d %d %d %d %d %d",
+				  ctx->dev->dec_capability, fsize->stepwise.min_width,
+				  fsize->stepwise.max_width, fsize->stepwise.step_width,
+				  fsize->stepwise.min_height, fsize->stepwise.max_height,
+				  fsize->stepwise.step_height);
+
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, void *priv,
+			   bool output_queue)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	const struct mtk_vcodec_dec_pdata *dec_pdata = ctx->dev->vdec_pdata;
+	const struct mtk_video_fmt *fmt;
+	int i, j = 0;
+
+	for (i = 0; i < *dec_pdata->num_formats; i++) {
+		if (output_queue &&
+		    dec_pdata->vdec_formats[i].type != MTK_FMT_DEC)
+			continue;
+		if (!output_queue &&
+		    dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
+			continue;
+
+		if (!output_queue && !mtk_vdec_get_cap_fmt(ctx, i))
+			continue;
+
+		if (j == f->index)
+			break;
+		++j;
+	}
+
+	if (i == *dec_pdata->num_formats)
+		return -EINVAL;
+
+	fmt = &dec_pdata->vdec_formats[i];
+	f->pixelformat = fmt->fourcc;
+	f->flags = fmt->flags;
+
+	return 0;
+}
+
+static int vidioc_vdec_enum_fmt_vid_cap(struct file *file, void *priv,
+					struct v4l2_fmtdesc *f)
+{
+	return vidioc_enum_fmt(f, priv, false);
+}
+
+static int vidioc_vdec_enum_fmt_vid_out(struct file *file, void *priv,
+					struct v4l2_fmtdesc *f)
+{
+	return vidioc_enum_fmt(f, priv, true);
+}
+
+static int vidioc_vdec_g_fmt(struct file *file, void *priv,
+			     struct v4l2_format *f)
+{
+	struct mtk_vcodec_dec_ctx *ctx = fh_to_dec_ctx(priv);
+	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+	struct vb2_queue *vq;
+	struct mtk_q_data *q_data;
+
+	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	if (!vq) {
+		mtk_v4l2_vdec_err(ctx, "no vb2 queue for type=%d", f->type);
+		return -EINVAL;
+	}
+
+	q_data = mtk_vdec_get_q_data(ctx, f->type);
+
+	pix_mp->field = V4L2_FIELD_NONE;
+	pix_mp->colorspace = ctx->colorspace;
+	pix_mp->ycbcr_enc = ctx->ycbcr_enc;
+	pix_mp->quantization = ctx->quantization;
+	pix_mp->xfer_func = ctx->xfer_func;
+
+	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) &&
+	    (ctx->state >= MTK_STATE_HEADER)) {
+		/* Until STREAMOFF is called on the CAPTURE queue
+		 * (acknowledging the event), the driver operates as if
+		 * the resolution hasn't changed yet.
+		 * So we just return picinfo yet, and update picinfo in
+		 * stop_streaming hook function
+		 */
+		q_data->sizeimage[0] = ctx->picinfo.fb_sz[0];
+		q_data->sizeimage[1] = ctx->picinfo.fb_sz[1];
+		q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
+		q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
+		q_data->coded_width = ctx->picinfo.buf_w;
+		q_data->coded_height = ctx->picinfo.buf_h;
+		ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc;
+
+		/*
+		 * 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 = q_data->coded_width;
+		pix_mp->height = q_data->coded_height;
+
+		/*
+		 * Set pixelformat to the format in which mt vcodec
+		 * outputs the decoded frame
+		 */
+		pix_mp->num_planes = q_data->fmt->num_planes;
+		pix_mp->pixelformat = q_data->fmt->fourcc;
+		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
+		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
+		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
+
+	} 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.
+		 * Assign value here to pass v4l2-compliance test
+		 */
+		pix_mp->width = q_data->visible_width;
+		pix_mp->height = q_data->visible_height;
+		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
+		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+		pix_mp->pixelformat = q_data->fmt->fourcc;
+		pix_mp->num_planes = q_data->fmt->num_planes;
+	} else {
+		pix_mp->width = q_data->coded_width;
+		pix_mp->height = q_data->coded_height;
+		pix_mp->num_planes = q_data->fmt->num_planes;
+		pix_mp->pixelformat = q_data->fmt->fourcc;
+		pix_mp->plane_fmt[0].bytesperline = q_data->bytesperline[0];
+		pix_mp->plane_fmt[0].sizeimage = q_data->sizeimage[0];
+		pix_mp->plane_fmt[1].bytesperline = q_data->bytesperline[1];
+		pix_mp->plane_fmt[1].sizeimage = q_data->sizeimage[1];
+
+		mtk_v4l2_vdec_dbg(1, ctx, "[%d] type=%d state=%d Format information not ready!",
+				  ctx->id, f->type, ctx->state);
+	}
+
+	return 0;
+}
+
+int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
+			    unsigned int *nplanes, unsigned int sizes[],
+			    struct device *alloc_devs[])
+{
+	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vq);
+	struct mtk_q_data *q_data;
+	unsigned int i;
+
+	q_data = mtk_vdec_get_q_data(ctx, vq->type);
+
+	if (q_data == NULL) {
+		mtk_v4l2_vdec_err(ctx, "vq->type=%d err\n", vq->type);
+		return -EINVAL;
+	}
+
+	if (*nplanes) {
+		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+			if (*nplanes != q_data->fmt->num_planes)
+				return -EINVAL;
+		} else {
+			if (*nplanes != 1)
+				return -EINVAL;
+		}
+		for (i = 0; i < *nplanes; i++) {
+			if (sizes[i] < q_data->sizeimage[i])
+				return -EINVAL;
+		}
+	} else {
+		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+			*nplanes = q_data->fmt->num_planes;
+		else
+			*nplanes = 1;
+
+		for (i = 0; i < *nplanes; i++)
+			sizes[i] = q_data->sizeimage[i];
+	}
+
+	mtk_v4l2_vdec_dbg(1, ctx,
+			  "[%d]\t type = %d, get %d plane(s), %d buffer(s) of size 0x%x 0x%x ",
+			  ctx->id, vq->type, *nplanes, *nbuffers, sizes[0], sizes[1]);
+
+	return 0;
+}
+
+int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb)
+{
+	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct mtk_q_data *q_data;
+	int i;
+
+	mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) id=%d",
+			  ctx->id, vb->vb2_queue->type, vb->index);
+
+	q_data = mtk_vdec_get_q_data(ctx, vb->vb2_queue->type);
+
+	for (i = 0; i < q_data->fmt->num_planes; i++) {
+		if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) {
+			mtk_v4l2_vdec_err(ctx, "data will not fit into plane %d (%lu < %d)",
+					  i, vb2_plane_size(vb, i), q_data->sizeimage[i]);
+			return -EINVAL;
+		}
+		if (!V4L2_TYPE_IS_OUTPUT(vb->type))
+			vb2_set_plane_payload(vb, i, q_data->sizeimage[i]);
+	}
+
+	return 0;
+}
+
+void vb2ops_vdec_buf_finish(struct vb2_buffer *vb)
+{
+	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vb2_v4l2;
+	struct mtk_video_dec_buf *buf;
+	bool buf_error;
+
+	vb2_v4l2 = container_of(vb, struct vb2_v4l2_buffer, vb2_buf);
+	buf = container_of(vb2_v4l2, struct mtk_video_dec_buf, m2m_buf.vb);
+	mutex_lock(&ctx->lock);
+	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		buf->queued_in_v4l2 = false;
+		buf->queued_in_vb2 = false;
+	}
+	buf_error = buf->error;
+	mutex_unlock(&ctx->lock);
+
+	if (buf_error) {
+		mtk_v4l2_vdec_err(ctx, "Unrecoverable error on buffer.");
+		ctx->state = MTK_STATE_ABORT;
+	}
+}
+
+int vb2ops_vdec_buf_init(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vb2_v4l2 = container_of(vb,
+					struct vb2_v4l2_buffer, vb2_buf);
+	struct mtk_video_dec_buf *buf = container_of(vb2_v4l2,
+					struct mtk_video_dec_buf, m2m_buf.vb);
+
+	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		buf->used = false;
+		buf->queued_in_v4l2 = false;
+	}
+
+	return 0;
+}
+
+int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
+
+	if (ctx->state == MTK_STATE_FLUSH)
+		ctx->state = MTK_STATE_HEADER;
+
+	return 0;
+}
+
+void vb2ops_vdec_stop_streaming(struct vb2_queue *q)
+{
+	struct vb2_v4l2_buffer *src_buf = NULL, *dst_buf = NULL;
+	struct mtk_vcodec_dec_ctx *ctx = vb2_get_drv_priv(q);
+	int ret;
+
+	mtk_v4l2_vdec_dbg(3, ctx, "[%d] (%d) state=(%x) ctx->decoded_frame_cnt=%d",
+			  ctx->id, q->type, ctx->state, ctx->decoded_frame_cnt);
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx))) {
+			if (src_buf != &ctx->empty_flush_buf.vb) {
+				struct media_request *req =
+					src_buf->vb2_buf.req_obj.req;
+				v4l2_m2m_buf_done(src_buf,
+						VB2_BUF_STATE_ERROR);
+				if (req)
+					v4l2_ctrl_request_complete(req, &ctx->ctrl_hdl);
+			}
+		}
+		return;
+	}
+
+	if (ctx->state >= MTK_STATE_HEADER) {
+
+		/* Until STREAMOFF is called on the CAPTURE queue
+		 * (acknowledging the event), the driver operates
+		 * as if the resolution hasn't changed yet, i.e.
+		 * VIDIOC_G_FMT< etc. return previous resolution.
+		 * So we update picinfo here
+		 */
+		ctx->picinfo = ctx->last_decoded_picinfo;
+
+		mtk_v4l2_vdec_dbg(2, ctx,
+				  "[%d]-> new(%d,%d), old(%d,%d), real(%d,%d)",
+				  ctx->id, ctx->last_decoded_picinfo.pic_w,
+				  ctx->last_decoded_picinfo.pic_h,
+				  ctx->picinfo.pic_w, ctx->picinfo.pic_h,
+				  ctx->last_decoded_picinfo.buf_w,
+				  ctx->last_decoded_picinfo.buf_h);
+
+		ret = ctx->dev->vdec_pdata->flush_decoder(ctx);
+		if (ret)
+			mtk_v4l2_vdec_err(ctx, "DecodeFinal failed, ret=%d", ret);
+	}
+	ctx->state = MTK_STATE_FLUSH;
+
+	while ((dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx))) {
+		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
+		if (ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes == 2)
+			vb2_set_plane_payload(&dst_buf->vb2_buf, 1, 0);
+		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
+	}
+
+}
+
+static void m2mops_vdec_device_run(void *priv)
+{
+	struct mtk_vcodec_dec_ctx *ctx = priv;
+	struct mtk_vcodec_dec_dev *dev = ctx->dev;
+
+	queue_work(dev->decode_workqueue, &ctx->decode_work);
+}
+
+static int m2mops_vdec_job_ready(void *m2m_priv)
+{
+	struct mtk_vcodec_dec_ctx *ctx = m2m_priv;
+
+	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
+
+	if (ctx->state == MTK_STATE_ABORT)
+		return 0;
+
+	if ((ctx->last_decoded_picinfo.pic_w != ctx->picinfo.pic_w) ||
+	    (ctx->last_decoded_picinfo.pic_h != ctx->picinfo.pic_h))
+		return 0;
+
+	if (ctx->state != MTK_STATE_HEADER)
+		return 0;
+
+	return 1;
+}
+
+static void m2mops_vdec_job_abort(void *priv)
+{
+	struct mtk_vcodec_dec_ctx *ctx = priv;
+
+	ctx->state = MTK_STATE_ABORT;
+}
+
+const struct v4l2_m2m_ops mtk_vdec_m2m_ops = {
+	.device_run	= m2mops_vdec_device_run,
+	.job_ready	= m2mops_vdec_job_ready,
+	.job_abort	= m2mops_vdec_job_abort,
+};
+
+const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops = {
+	.vidioc_streamon	= v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff	= v4l2_m2m_ioctl_streamoff,
+	.vidioc_reqbufs		= v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,
+	.vidioc_expbuf		= v4l2_m2m_ioctl_expbuf,
+
+	.vidioc_qbuf		= vidioc_vdec_qbuf,
+	.vidioc_dqbuf		= vidioc_vdec_dqbuf,
+
+	.vidioc_try_fmt_vid_cap_mplane	= vidioc_try_fmt_vid_cap_mplane,
+	.vidioc_try_fmt_vid_out_mplane	= vidioc_try_fmt_vid_out_mplane,
+
+	.vidioc_s_fmt_vid_cap_mplane	= vidioc_vdec_s_fmt,
+	.vidioc_s_fmt_vid_out_mplane	= vidioc_vdec_s_fmt,
+	.vidioc_g_fmt_vid_cap_mplane	= vidioc_vdec_g_fmt,
+	.vidioc_g_fmt_vid_out_mplane	= vidioc_vdec_g_fmt,
+
+	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
+
+	.vidioc_enum_fmt_vid_cap	= vidioc_vdec_enum_fmt_vid_cap,
+	.vidioc_enum_fmt_vid_out	= vidioc_vdec_enum_fmt_vid_out,
+	.vidioc_enum_framesizes	= vidioc_enum_framesizes,
+
+	.vidioc_querycap		= vidioc_vdec_querycap,
+	.vidioc_subscribe_event		= vidioc_vdec_subscribe_evt,
+	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
+	.vidioc_g_selection             = vidioc_vdec_g_selection,
+	.vidioc_s_selection             = vidioc_vdec_s_selection,
+
+	.vidioc_decoder_cmd = vidioc_decoder_cmd,
+	.vidioc_try_decoder_cmd = vidioc_try_decoder_cmd,
+};
+
+int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
+			   struct vb2_queue *dst_vq)
+{
+	struct mtk_vcodec_dec_ctx *ctx = priv;
+	int ret = 0;
+
+	mtk_v4l2_vdec_dbg(3, ctx, "[%d]", ctx->id);
+
+	src_vq->type		= V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
+	src_vq->drv_priv	= ctx;
+	src_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
+	src_vq->ops		= ctx->dev->vdec_pdata->vdec_vb2_ops;
+	src_vq->mem_ops		= &vb2_dma_contig_memops;
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->lock		= &ctx->dev->dev_mutex;
+	src_vq->dev             = &ctx->dev->plat_dev->dev;
+	src_vq->allow_cache_hints = 1;
+
+	ret = vb2_queue_init(src_vq);
+	if (ret) {
+		mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(output)");
+		return ret;
+	}
+	dst_vq->type		= V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes	= VB2_DMABUF | VB2_MMAP;
+	dst_vq->drv_priv	= ctx;
+	dst_vq->buf_struct_size = sizeof(struct mtk_video_dec_buf);
+	dst_vq->ops		= ctx->dev->vdec_pdata->vdec_vb2_ops;
+	dst_vq->mem_ops		= &vb2_dma_contig_memops;
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->lock		= &ctx->dev->dev_mutex;
+	dst_vq->dev             = &ctx->dev->plat_dev->dev;
+	dst_vq->allow_cache_hints = 1;
+
+	ret = vb2_queue_init(dst_vq);
+	if (ret)
+		mtk_v4l2_vdec_err(ctx, "Failed to initialize videobuf2 queue(capture)");
+
+	return ret;
+}