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* [PATCH v7 3/6] staging: media: wave5: Add the v4l2 layer
@ 2022-04-25 10:16 Nas Chung
  0 siblings, 0 replies; only message in thread
From: Nas Chung @ 2022-04-25 10:16 UTC (permalink / raw)
  To: linux-media
  Cc: Mauro Carvalho Chehab, Greg Kroah-Hartman,
	open list:STAGING SUBSYSTEM, open list, laurent.pinchart,
	hverkuil, kernel, dafna3, bob.beckett, kiril.bicevski, Nas Chung,
	lafley.kim, Scott Woo, olivier.crete, dan.carpenter, rdunlap,
	daniel

Add the decoder and encoder implementing the v4l2
API. This patch also adds the Makefile and the VIDEO_WAVE_VPU config

Signed-off-by: Robert Beckett <bob.beckett@collabora.com>
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Signed-off-by: Nas Chung <nas.chung@chipsnmedia.com>
---
 drivers/staging/media/Kconfig               |    2 +
 drivers/staging/media/Makefile              |    1 +
 drivers/staging/media/wave5/Kconfig         |   12 +
 drivers/staging/media/wave5/Makefile        |   10 +
 drivers/staging/media/wave5/wave5-vpu-dec.c | 1385 +++++++++++++++++
 drivers/staging/media/wave5/wave5-vpu-enc.c | 1532 +++++++++++++++++++
 drivers/staging/media/wave5/wave5-vpu.c     |  381 +++++
 drivers/staging/media/wave5/wave5-vpu.h     |   73 +
 8 files changed, 3396 insertions(+)
 create mode 100644 drivers/staging/media/wave5/Kconfig
 create mode 100644 drivers/staging/media/wave5/Makefile
 create mode 100644 drivers/staging/media/wave5/wave5-vpu-dec.c
 create mode 100644 drivers/staging/media/wave5/wave5-vpu-enc.c
 create mode 100644 drivers/staging/media/wave5/wave5-vpu.c
 create mode 100644 drivers/staging/media/wave5/wave5-vpu.h

diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index 1fd6a0c6e1d8..0a371654f524 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -44,4 +44,6 @@ source "drivers/staging/media/ipu3/Kconfig"
 
 source "drivers/staging/media/av7110/Kconfig"
 
+source "drivers/staging/media/wave5/Kconfig"
+
 endif
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index 66d6f6d51c86..c5bda2ef97f8 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -11,3 +11,4 @@ obj-$(CONFIG_VIDEO_HANTRO)	+= hantro/
 obj-$(CONFIG_VIDEO_IPU3_IMGU)	+= ipu3/
 obj-$(CONFIG_VIDEO_ZORAN)	+= zoran/
 obj-$(CONFIG_DVB_AV7110)	+= av7110/
+obj-$(CONFIG_VIDEO_WAVE_VPU)	+= wave5/
diff --git a/drivers/staging/media/wave5/Kconfig b/drivers/staging/media/wave5/Kconfig
new file mode 100644
index 000000000000..9f4ccc77fcbf
--- /dev/null
+++ b/drivers/staging/media/wave5/Kconfig
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+config VIDEO_WAVE_VPU
+	tristate "Chips&Media Wave Codec Driver"
+	depends on VIDEO_DEV && VIDEO_V4L2
+	select VIDEOBUF2_DMA_CONTIG
+	select VIDEOBUF2_VMALLOC
+	select V4L2_MEM2MEM_DEV
+	help
+	  Chips&Media stateful encoder and decoder driver.
+	  The driver supports HEVC and H264 formats.
+	  To compile this driver as modules, choose M here: the
+	  modules will be called wave5.
diff --git a/drivers/staging/media/wave5/Makefile b/drivers/staging/media/wave5/Makefile
new file mode 100644
index 000000000000..56f3a5289103
--- /dev/null
+++ b/drivers/staging/media/wave5/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_VIDEO_WAVE_VPU) += wave5.o
+wave5-objs +=  	wave5-hw.o \
+		wave5-vpuapi.o \
+		wave5-vdi.o \
+		wave5-vpu-dec.o \
+		wave5-vpu.o \
+		wave5-vpu-enc.o
+
diff --git a/drivers/staging/media/wave5/wave5-vpu-dec.c b/drivers/staging/media/wave5/wave5-vpu-dec.c
new file mode 100644
index 000000000000..6d56451977fa
--- /dev/null
+++ b/drivers/staging/media/wave5/wave5-vpu-dec.c
@@ -0,0 +1,1385 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Wave5 series multi-standard codec IP - decoder interface
+ *
+ * Copyright (C) 2021 CHIPS&MEDIA INC
+ */
+
+#include "wave5-vpu.h"
+
+#define VPU_DEC_DEV_NAME "C&M VPU decoder"
+#define VPU_DEC_DRV_NAME "vpu-dec"
+#define V4L2_CID_VPU_THUMBNAIL_MODE (V4L2_CID_USER_BASE + 0x1001)
+
+static const struct vpu_format wave5_vpu_dec_fmt_list[2][6] = {
+	[VPU_FMT_TYPE_CODEC] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_HEVC,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_H264,
+			.max_width = 8192,
+			.min_width = 32,
+			.max_height = 8192,
+			.min_height = 32,
+		},
+	},
+	[VPU_FMT_TYPE_RAW] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420M,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12M,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21M,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+	}
+};
+
+static enum wave_std wave5_to_vpu_codstd(unsigned int v4l2_pix_fmt)
+{
+	switch (v4l2_pix_fmt) {
+	case V4L2_PIX_FMT_H264:
+		return W_AVC_DEC;
+	case V4L2_PIX_FMT_HEVC:
+		return W_HEVC_DEC;
+	default:
+		return STD_UNKNOWN;
+	}
+}
+
+static const struct vpu_format *wave5_get_vpu_fmt(unsigned int v4l2_pix_fmt, enum vpu_fmt_type type)
+{
+	unsigned int index;
+
+	for (index = 0; index < ARRAY_SIZE(wave5_vpu_dec_fmt_list[type]); index++) {
+		if (wave5_vpu_dec_fmt_list[type][index].v4l2_pix_fmt == v4l2_pix_fmt)
+			return &wave5_vpu_dec_fmt_list[type][index];
+	}
+
+	return NULL;
+}
+
+static const struct vpu_format *wave5_find_vpu_fmt_by_idx(unsigned int idx, enum vpu_fmt_type type)
+{
+	if (idx >= ARRAY_SIZE(wave5_vpu_dec_fmt_list[type]))
+		return NULL;
+
+	if (!wave5_vpu_dec_fmt_list[type][idx].v4l2_pix_fmt)
+		return NULL;
+
+	return &wave5_vpu_dec_fmt_list[type][idx];
+}
+
+static void wave5_handle_bitstream_buffer(struct vpu_instance *inst)
+{
+	struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL;
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&inst->bitstream_lock, flags);
+
+	v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		struct vb2_v4l2_buffer *vbuf = &v4l2_m2m_buf->vb;
+		struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(vbuf);
+		u32 src_size = vb2_get_plane_payload(&vbuf->vb2_buf, 0);
+		void *src_buf = vb2_plane_vaddr(&vbuf->vb2_buf, 0);
+		dma_addr_t bs_rd_ptr = 0;
+		dma_addr_t bs_wr_ptr = 0;
+		u32 bs_remain_size = 0;
+		size_t offset;
+
+		if (vpu_buf->consumed) {
+			dev_dbg(inst->dev->dev, "already consumed buffer\n");
+			continue;
+		}
+
+		wave5_vpu_dec_get_bitstream_buffer(inst, &bs_rd_ptr, &bs_wr_ptr, &bs_remain_size);
+
+		if (bs_remain_size < src_size) {
+			dev_dbg(inst->dev->dev, "fill next time : remained size < source size.\n");
+			continue;
+		}
+
+		offset = bs_wr_ptr - inst->bitstream_vbuf.daddr;
+		if (bs_wr_ptr + src_size > inst->bitstream_vbuf.daddr + inst->bitstream_vbuf.size) {
+			int size;
+
+			size = inst->bitstream_vbuf.daddr + inst->bitstream_vbuf.size - bs_wr_ptr;
+			wave5_vdi_write_memory(inst->dev, &inst->bitstream_vbuf, offset, src_buf,
+					       size, VDI_128BIT_LITTLE_ENDIAN);
+			wave5_vdi_write_memory(inst->dev, &inst->bitstream_vbuf, 0,
+					       src_buf + size, src_size - size,
+					       VDI_128BIT_LITTLE_ENDIAN);
+		} else {
+			wave5_vdi_write_memory(inst->dev, &inst->bitstream_vbuf, offset, src_buf,
+					       src_size, VDI_128BIT_LITTLE_ENDIAN);
+		}
+
+		ret = wave5_vpu_dec_update_bitstream_buffer(inst, src_size);
+		if (ret) {
+			dev_dbg(inst->dev->dev, "vpu_dec_update_bitstream_buffer fail: %d\n", ret);
+			continue;
+		}
+
+		vpu_buf->consumed = true;
+
+		if (inst->state == VPU_INST_STATE_WAIT_BUF)
+			inst->state = VPU_INST_STATE_PIC_RUN;
+	}
+
+	spin_unlock_irqrestore(&inst->bitstream_lock, flags);
+}
+
+static void wave5_handle_src_buffer(struct vpu_instance *inst)
+{
+	struct vb2_v4l2_buffer *src_buf;
+
+	unsigned long flags;
+
+	spin_lock_irqsave(&inst->bitstream_lock, flags);
+
+	src_buf = v4l2_m2m_next_src_buf(inst->v4l2_fh.m2m_ctx);
+	if (src_buf) {
+		struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(src_buf);
+
+		if (vpu_buf->consumed) {
+			dev_dbg(inst->dev->dev, "already consumed buffer\n");
+			src_buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx);
+			inst->timestamp = src_buf->vb2_buf.timestamp;
+			v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
+		}
+	}
+	spin_unlock_irqrestore(&inst->bitstream_lock, flags);
+}
+
+static void wave5_update_pix_fmt(struct v4l2_pix_format_mplane *pix_mp, unsigned int width,
+				 unsigned int height)
+{
+	switch (pix_mp->pixelformat) {
+	case V4L2_PIX_FMT_YUV420:
+	case V4L2_PIX_FMT_NV12:
+	case V4L2_PIX_FMT_NV21:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[0].sizeimage = width * height * 3 / 2;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		break;
+	case V4L2_PIX_FMT_YUV420M:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[0].sizeimage = width * height;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		pix_mp->plane_fmt[1].bytesperline = round_up(width, 32) / 2;
+		pix_mp->plane_fmt[1].sizeimage = width * height / 4;
+		memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved));
+		pix_mp->plane_fmt[2].bytesperline = round_up(width, 32) / 2;
+		pix_mp->plane_fmt[2].sizeimage = width * height / 4;
+		memset(&pix_mp->plane_fmt[2].reserved, 0, sizeof(pix_mp->plane_fmt[2].reserved));
+		break;
+	case V4L2_PIX_FMT_NV12M:
+	case V4L2_PIX_FMT_NV21M:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[0].sizeimage = width * height;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		pix_mp->plane_fmt[1].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[1].sizeimage = width * height / 2;
+		memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved));
+		break;
+	default:
+		pix_mp->width = width;
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = 0;
+		pix_mp->plane_fmt[0].sizeimage = width * height / 2;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		break;
+	}
+}
+
+static void wave5_vpu_dec_start_decode(struct vpu_instance *inst)
+{
+	struct dec_param pic_param;
+	u32 max_cmd_q = 0;
+	int ret;
+
+	memset(&pic_param, 0, sizeof(struct dec_param));
+
+	if (inst->state == VPU_INST_STATE_STOP) {
+		max_cmd_q = 1;
+	} else {
+		max_cmd_q = (inst->min_src_frame_buf_count < COMMAND_QUEUE_DEPTH) ?
+			inst->min_src_frame_buf_count : COMMAND_QUEUE_DEPTH;
+	}
+
+	while (max_cmd_q) {
+		u32 fail_res = 0;
+
+		ret = wave5_vpu_dec_start_one_frame(inst, &pic_param, &fail_res);
+		if (ret) {
+			struct vb2_v4l2_buffer *src_buf;
+
+			if (fail_res == WAVE5_SYSERR_QUEUEING_FAIL)
+				break;
+
+			*src_buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx);
+			inst->state = VPU_INST_STATE_STOP;
+			v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
+			break;
+		}
+		max_cmd_q--;
+	}
+}
+
+static void wave5_vpu_dec_stop_decode(struct vpu_instance *inst)
+{
+	unsigned int i;
+	unsigned long flags;
+
+	inst->state = VPU_INST_STATE_STOP;
+
+	spin_lock_irqsave(&inst->bitstream_lock, flags);
+	wave5_vpu_dec_update_bitstream_buffer(inst, 0);
+	spin_unlock_irqrestore(&inst->bitstream_lock, flags);
+
+	for (i = 0; i < inst->min_dst_frame_buf_count; i++)
+		wave5_vpu_dec_clr_disp_flag(inst, i);
+
+	v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+}
+
+static void wave5_vpu_dec_finish_decode(struct vpu_instance *inst)
+{
+	struct dec_output_info dec_output_info;
+	int ret;
+	int irq_status;
+
+	if (kfifo_out(&inst->dev->irq_status, &irq_status, sizeof(int)))
+		wave5_vpu_clear_interrupt_ex(inst, irq_status);
+
+	if (irq_status & BIT(INT_WAVE5_BSBUF_EMPTY)) {
+		dev_dbg(inst->dev->dev, "bitstream EMPTY!!!!\n");
+		inst->state = VPU_INST_STATE_WAIT_BUF;
+		wave5_handle_src_buffer(inst);
+		wave5_handle_bitstream_buffer(inst);
+	}
+
+	if (!(irq_status & BIT(INT_WAVE5_DEC_PIC)))
+		return;
+	ret = wave5_vpu_dec_get_output_info(inst, &dec_output_info);
+	if (ret) {
+		v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+		return;
+	}
+	if (dec_output_info.index_frame_decoded == DECODED_IDX_FLAG_NO_FB &&
+	    dec_output_info.index_frame_display == DISPLAY_IDX_FLAG_NO_FB) {
+		dev_dbg(inst->dev->dev, "no more frame buffer\n");
+		if (inst->state != VPU_INST_STATE_STOP)
+			inst->state = VPU_INST_STATE_WAIT_BUF;
+	} else {
+		wave5_handle_src_buffer(inst);
+
+		if (dec_output_info.index_frame_display >= 0) {
+			struct vb2_v4l2_buffer *dst_buf =
+				v4l2_m2m_dst_buf_remove_by_idx(inst->v4l2_fh.m2m_ctx,
+							       dec_output_info.index_frame_display);
+			int stride = dec_output_info.disp_frame.stride;
+			int height = dec_output_info.disp_pic_height;
+
+			if (inst->dst_fmt.num_planes == 1) {
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+						      (stride * height * 3 / 2));
+			} else if (inst->dst_fmt.num_planes == 2) {
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+						      (stride * height));
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 1,
+						      ((stride / 2) * height));
+			} else if (inst->dst_fmt.num_planes == 3) {
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+						      (stride * height));
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 1,
+						      ((stride / 2) * (height / 2)));
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 2,
+						      ((stride / 2) * (height / 2)));
+			}
+
+			dst_buf->vb2_buf.timestamp = inst->timestamp;
+			dst_buf->field = V4L2_FIELD_NONE;
+			v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
+		} else if (dec_output_info.index_frame_display == DISPLAY_IDX_FLAG_SEQ_END) {
+			static const struct v4l2_event vpu_event_eos = {
+				.type = V4L2_EVENT_EOS
+			};
+			struct vb2_v4l2_buffer *dst_buf =
+				v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx);
+
+			if (!dst_buf)
+				return;
+
+			if (inst->dst_fmt.num_planes == 1) {
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+						      vb2_plane_size(&dst_buf->vb2_buf, 0));
+			} else if (inst->dst_fmt.num_planes == 2) {
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+						      vb2_plane_size(&dst_buf->vb2_buf, 0));
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 1,
+						      vb2_plane_size(&dst_buf->vb2_buf, 1));
+			} else if (inst->dst_fmt.num_planes == 3) {
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 0,
+						      vb2_plane_size(&dst_buf->vb2_buf, 0));
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 1,
+						      vb2_plane_size(&dst_buf->vb2_buf, 1));
+				vb2_set_plane_payload(&dst_buf->vb2_buf, 2,
+						      vb2_plane_size(&dst_buf->vb2_buf, 2));
+			}
+
+			dst_buf->vb2_buf.timestamp = inst->timestamp;
+			dst_buf->flags |= V4L2_BUF_FLAG_LAST;
+			dst_buf->field = V4L2_FIELD_NONE;
+			v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
+
+			inst->state = VPU_INST_STATE_PIC_RUN;
+			v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_eos);
+
+			v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+		}
+	}
+}
+
+static int wave5_vpu_dec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+	strscpy(cap->driver, VPU_DEC_DRV_NAME, sizeof(cap->driver));
+	strscpy(cap->card, VPU_DEC_DRV_NAME, sizeof(cap->card));
+	strscpy(cap->bus_info, "platform:" VPU_DEC_DRV_NAME, sizeof(cap->bus_info));
+
+	return 0;
+}
+
+static int wave5_vpu_dec_enum_framesizes(struct file *f, void *fh, struct v4l2_frmsizeenum *fsize)
+{
+	const struct vpu_format *vpu_fmt;
+
+	if (fsize->index)
+		return -EINVAL;
+
+	vpu_fmt = wave5_get_vpu_fmt(fsize->pixel_format, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt) {
+		vpu_fmt = wave5_get_vpu_fmt(fsize->pixel_format, VPU_FMT_TYPE_RAW);
+		if (!vpu_fmt)
+			return -EINVAL;
+	}
+
+	fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
+	fsize->stepwise.min_width = vpu_fmt->min_width;
+	fsize->stepwise.max_width = vpu_fmt->max_width;
+	fsize->stepwise.step_width = 1;
+	fsize->stepwise.min_height = vpu_fmt->min_height;
+	fsize->stepwise.max_height = vpu_fmt->max_height;
+	fsize->stepwise.step_height = 1;
+
+	return 0;
+}
+
+static int wave5_vpu_dec_enum_fmt_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	const struct vpu_format *vpu_fmt;
+
+	vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_RAW);
+	if (!vpu_fmt)
+		return -EINVAL;
+
+	f->pixelformat = vpu_fmt->v4l2_pix_fmt;
+	f->flags = 0;
+
+	return 0;
+}
+
+static int wave5_vpu_dec_try_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "4cc %d width %d height %d nm planes %d colorspace %d field : %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.colorspace, f->fmt.pix_mp.field);
+
+	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+		return -EINVAL;
+
+	vpu_fmt = wave5_get_vpu_fmt(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_RAW);
+	if (!vpu_fmt) {
+		f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat;
+		f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, inst->dst_fmt.width, inst->dst_fmt.height);
+	} else {
+		int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width);
+		int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height);
+		const struct v4l2_format_info *info = v4l2_format_info(vpu_fmt->v4l2_pix_fmt);
+
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes = info->mem_planes;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, width, height);
+	}
+
+	f->fmt.pix_mp.flags = 0;
+	f->fmt.pix_mp.field = V4L2_FIELD_NONE;
+	f->fmt.pix_mp.colorspace = inst->colorspace;
+	f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc;
+	f->fmt.pix_mp.hsv_enc = inst->hsv_enc;
+	f->fmt.pix_mp.quantization = inst->quantization;
+	f->fmt.pix_mp.xfer_func = inst->xfer_func;
+	memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved));
+
+	return 0;
+}
+
+static int wave5_vpu_dec_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i, ret;
+
+	dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d colorspace %d field %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.colorspace, f->fmt.pix_mp.field);
+
+	ret = wave5_vpu_dec_try_fmt_cap(file, fh, f);
+	if (ret)
+		return ret;
+
+	inst->dst_fmt.width = f->fmt.pix_mp.width;
+	inst->dst_fmt.height = f->fmt.pix_mp.height;
+	inst->dst_fmt.pixelformat = f->fmt.pix_mp.pixelformat;
+	inst->dst_fmt.field = f->fmt.pix_mp.field;
+	inst->dst_fmt.flags = f->fmt.pix_mp.flags;
+	inst->dst_fmt.num_planes = f->fmt.pix_mp.num_planes;
+	for (i = 0; i < inst->dst_fmt.num_planes; i++) {
+		inst->dst_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline;
+		inst->dst_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage;
+	}
+
+	if (inst->dst_fmt.pixelformat == V4L2_PIX_FMT_NV12 ||
+	    inst->dst_fmt.pixelformat == V4L2_PIX_FMT_NV12M) {
+		inst->cbcr_interleave = true;
+		inst->nv21 = false;
+	} else if (inst->dst_fmt.pixelformat == V4L2_PIX_FMT_NV21 ||
+		   inst->dst_fmt.pixelformat == V4L2_PIX_FMT_NV21M) {
+		inst->cbcr_interleave = true;
+		inst->nv21 = true;
+	} else {
+		inst->cbcr_interleave = false;
+		inst->nv21 = false;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_dec_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i;
+
+	f->fmt.pix_mp.width = inst->dst_fmt.width;
+	f->fmt.pix_mp.height = inst->dst_fmt.height;
+	f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat;
+	f->fmt.pix_mp.field = inst->dst_fmt.field;
+	f->fmt.pix_mp.flags = inst->dst_fmt.flags;
+	f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes;
+	for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
+		f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->dst_fmt.plane_fmt[i].bytesperline;
+		f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->dst_fmt.plane_fmt[i].sizeimage;
+	}
+
+	f->fmt.pix_mp.colorspace = inst->colorspace;
+	f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc;
+	f->fmt.pix_mp.hsv_enc = inst->hsv_enc;
+	f->fmt.pix_mp.quantization = inst->quantization;
+	f->fmt.pix_mp.xfer_func = inst->xfer_func;
+
+	return 0;
+}
+
+static int wave5_vpu_dec_enum_fmt_out(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "index : %d\n", f->index);
+
+	vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt)
+		return -EINVAL;
+
+	f->pixelformat = vpu_fmt->v4l2_pix_fmt;
+	f->flags = 0;
+
+	return 0;
+}
+
+static int wave5_vpu_dec_try_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d colorspace %d field %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.colorspace, f->fmt.pix_mp.field);
+
+	if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		return -EINVAL;
+
+	vpu_fmt = wave5_get_vpu_fmt(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt) {
+		f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat;
+		f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, inst->src_fmt.width, inst->src_fmt.height);
+	} else {
+		int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width);
+		int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height);
+
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes = 1;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, width, height);
+	}
+
+	f->fmt.pix_mp.flags = 0;
+	f->fmt.pix_mp.field = V4L2_FIELD_NONE;
+	memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved));
+
+	return 0;
+}
+
+static int wave5_vpu_dec_s_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i, ret;
+
+	dev_dbg(inst->dev->dev, "pixelformat %d width %d height %d num_planes %d field : %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field);
+
+	ret = wave5_vpu_dec_try_fmt_out(file, fh, f);
+	if (ret)
+		return ret;
+
+	inst->src_fmt.width = f->fmt.pix_mp.width;
+	inst->src_fmt.height = f->fmt.pix_mp.height;
+	inst->src_fmt.pixelformat = f->fmt.pix_mp.pixelformat;
+	inst->src_fmt.field = f->fmt.pix_mp.field;
+	inst->src_fmt.flags = f->fmt.pix_mp.flags;
+	inst->src_fmt.num_planes = f->fmt.pix_mp.num_planes;
+	for (i = 0; i < inst->src_fmt.num_planes; i++) {
+		inst->src_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline;
+		inst->src_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage;
+	}
+
+	inst->colorspace = f->fmt.pix_mp.colorspace;
+	inst->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
+	inst->hsv_enc = f->fmt.pix_mp.hsv_enc;
+	inst->quantization = f->fmt.pix_mp.quantization;
+	inst->xfer_func = f->fmt.pix_mp.xfer_func;
+
+	wave5_update_pix_fmt(&inst->dst_fmt, f->fmt.pix_mp.width, f->fmt.pix_mp.height);
+
+	return 0;
+}
+
+static int wave5_vpu_dec_g_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i;
+
+	f->fmt.pix_mp.width = inst->src_fmt.width;
+	f->fmt.pix_mp.height = inst->src_fmt.height;
+	f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat;
+	f->fmt.pix_mp.field = inst->src_fmt.field;
+	f->fmt.pix_mp.flags = inst->src_fmt.flags;
+	f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes;
+	for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
+		f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->src_fmt.plane_fmt[i].bytesperline;
+		f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->src_fmt.plane_fmt[i].sizeimage;
+	}
+
+	f->fmt.pix_mp.colorspace = inst->colorspace;
+	f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc;
+	f->fmt.pix_mp.hsv_enc = inst->hsv_enc;
+	f->fmt.pix_mp.quantization = inst->quantization;
+	f->fmt.pix_mp.xfer_func = inst->xfer_func;
+
+	return 0;
+}
+
+static int wave5_vpu_dec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+	switch (s->target) {
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+	case V4L2_SEL_TGT_COMPOSE_PADDED:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = inst->dst_fmt.width;
+		s->r.height = inst->dst_fmt.height;
+		break;
+	case V4L2_SEL_TGT_COMPOSE:
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = inst->src_fmt.width;
+		s->r.height = inst->src_fmt.height;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_dec_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	if (s->target != V4L2_SEL_TGT_COMPOSE)
+		return -EINVAL;
+
+	dev_dbg(inst->dev->dev, "V4L2_SEL_TGT_COMPOSE w: %d h: %d\n", s->r.width, s->r.height);
+	inst->dst_fmt.width = s->r.width;
+	inst->dst_fmt.height = s->r.height;
+
+	return 0;
+}
+
+static int wave5_vpu_dec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "decoder command : %d\n", dc->cmd);
+
+	if (dc->cmd != V4L2_DEC_CMD_STOP && dc->cmd != V4L2_DEC_CMD_START)
+		return -EINVAL;
+
+	dc->flags = 0;
+
+	if (dc->cmd == V4L2_DEC_CMD_STOP) {
+		dc->stop.pts = 0;
+	} else if (dc->cmd == V4L2_DEC_CMD_START) {
+		dc->start.speed = 0;
+		dc->start.format = V4L2_DEC_START_FMT_NONE;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_dec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int ret;
+	unsigned long flags;
+
+	dev_dbg(inst->dev->dev, "decoder command : %d\n", dc->cmd);
+
+	ret = wave5_vpu_dec_try_decoder_cmd(file, fh, dc);
+	if (ret < 0)
+		return ret;
+
+	if (!wave5_vpu_both_queues_are_streaming(inst))
+		return 0;
+
+	switch (dc->cmd) {
+	case V4L2_DEC_CMD_STOP:
+		inst->state = VPU_INST_STATE_STOP;
+
+		spin_lock_irqsave(&inst->bitstream_lock, flags);
+		wave5_vpu_dec_update_bitstream_buffer(inst, 0);
+		spin_unlock_irqrestore(&inst->bitstream_lock, flags);
+		break;
+	case V4L2_DEC_CMD_START:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_dec_subscribe_event(struct v4l2_fh *fh,
+					 const struct v4l2_event_subscription *sub)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d id : %d | flags : %d\n", sub->type, sub->id, sub->flags);
+
+	switch (sub->type) {
+	case V4L2_EVENT_EOS:
+		return v4l2_event_subscribe(fh, sub, 0, NULL);
+	case V4L2_EVENT_SOURCE_CHANGE:
+		return v4l2_src_change_event_subscribe(fh, sub);
+	case V4L2_EVENT_CTRL:
+		return v4l2_ctrl_subscribe_event(fh, sub);
+	default:
+		return -EINVAL;
+	}
+}
+
+static const struct v4l2_ioctl_ops wave5_vpu_dec_ioctl_ops = {
+	.vidioc_querycap = wave5_vpu_dec_querycap,
+	.vidioc_enum_framesizes = wave5_vpu_dec_enum_framesizes,
+
+	.vidioc_enum_fmt_vid_cap	= wave5_vpu_dec_enum_fmt_cap,
+	.vidioc_s_fmt_vid_cap_mplane = wave5_vpu_dec_s_fmt_cap,
+	.vidioc_g_fmt_vid_cap_mplane = wave5_vpu_dec_g_fmt_cap,
+	.vidioc_try_fmt_vid_cap_mplane = wave5_vpu_dec_try_fmt_cap,
+
+	.vidioc_enum_fmt_vid_out	= wave5_vpu_dec_enum_fmt_out,
+	.vidioc_s_fmt_vid_out_mplane = wave5_vpu_dec_s_fmt_out,
+	.vidioc_g_fmt_vid_out_mplane = wave5_vpu_dec_g_fmt_out,
+	.vidioc_try_fmt_vid_out_mplane = wave5_vpu_dec_try_fmt_out,
+
+	.vidioc_g_selection = wave5_vpu_dec_g_selection,
+	.vidioc_s_selection = wave5_vpu_dec_s_selection,
+
+	.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+	.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+	.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+	.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+	.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+	.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+	.vidioc_streamon = v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+
+	.vidioc_try_decoder_cmd = wave5_vpu_dec_try_decoder_cmd,
+	.vidioc_decoder_cmd = wave5_vpu_dec_decoder_cmd,
+
+	.vidioc_subscribe_event = wave5_vpu_dec_subscribe_event,
+	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static int wave5_vpu_dec_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl);
+
+	dev_dbg(inst->dev->dev, "name : %s\n", ctrl->name);
+
+	switch (ctrl->id) {
+	case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
+		if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN)
+			ctrl->val = inst->min_dst_frame_buf_count;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	dev_dbg(inst->dev->dev, "value : %d\n", ctrl->val);
+
+	return 0;
+}
+
+static int wave5_vpu_dec_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl);
+
+	dev_dbg(inst->dev->dev, "name : %s | value : %d\n", ctrl->name, ctrl->val);
+
+	switch (ctrl->id) {
+	case V4L2_CID_VPU_THUMBNAIL_MODE:
+		inst->thumbnail_mode = ctrl->val;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct v4l2_ctrl_ops wave5_vpu_dec_ctrl_ops = {
+	.g_volatile_ctrl = wave5_vpu_dec_g_volatile_ctrl,
+	.s_ctrl = wave5_vpu_dec_s_ctrl,
+};
+
+static const struct v4l2_ctrl_config wave5_vpu_thumbnail_mode = {
+	.ops = &wave5_vpu_dec_ctrl_ops,
+	.id = V4L2_CID_VPU_THUMBNAIL_MODE,
+	.name = "thumbnail mode",
+	.type = V4L2_CTRL_TYPE_BOOLEAN,
+	.def = 0,
+	.min = 0,
+	.max = 1,
+	.step = 1,
+	.flags = V4L2_CTRL_FLAG_WRITE_ONLY,
+};
+
+static void wave5_set_default_dec_openparam(struct dec_open_param *open_param)
+{
+	open_param->bitstream_mode = BS_MODE_INTERRUPT;
+	open_param->stream_endian = VPU_STREAM_ENDIAN;
+	open_param->frame_endian = VPU_FRAME_ENDIAN;
+}
+
+static int wave5_vpu_dec_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
+				     unsigned int *num_planes, unsigned int sizes[],
+			 struct device *alloc_devs[])
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	struct v4l2_pix_format_mplane inst_format =
+		(q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ? inst->src_fmt : inst->dst_fmt;
+	unsigned int i;
+	int ret;
+
+	dev_dbg(inst->dev->dev, "num_buffers : %d | num_planes : %d | type : %d\n", *num_buffers,
+		*num_planes, q->type);
+
+	if (*num_planes) {
+		if (inst_format.num_planes != *num_planes)
+			return -EINVAL;
+
+		for (i = 0; i < *num_planes; i++) {
+			if (sizes[i] < inst_format.plane_fmt[i].sizeimage)
+				return -EINVAL;
+		}
+	} else {
+		*num_planes = inst_format.num_planes;
+
+		if (*num_planes == 1) {
+			sizes[0] = inst_format.width * inst_format.height * 3 / 2;
+			if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+				sizes[0] = inst_format.plane_fmt[0].sizeimage;
+			dev_dbg(inst->dev->dev, "size[0] : %d\n", sizes[0]);
+		} else if (*num_planes == 2) {
+			sizes[0] = inst_format.width * inst_format.height;
+			sizes[1] = inst_format.width * inst_format.height / 2;
+			dev_dbg(inst->dev->dev, "size[0] :%d | size[1] : %d\n", sizes[0], sizes[1]);
+		} else if (*num_planes == 3) {
+			sizes[0] = inst_format.width * inst_format.height;
+			sizes[1] = inst_format.width * inst_format.height / 4;
+			sizes[2] = inst_format.width * inst_format.height / 4;
+			dev_dbg(inst->dev->dev, "size[0] : %d | size[1] : %d | size[2] : %d\n",
+				sizes[0], sizes[1], sizes[2]);
+		}
+	}
+
+	if (inst->state == VPU_INST_STATE_NONE && q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		struct dec_open_param open_param;
+
+		memset(&open_param, 0, sizeof(struct dec_open_param));
+		wave5_set_default_dec_openparam(&open_param);
+
+		inst->bitstream_vbuf.size = ALIGN(inst->src_fmt.plane_fmt[0].sizeimage, 1024) * 4;
+		ret = wave5_vdi_allocate_dma_memory(inst->dev, &inst->bitstream_vbuf);
+		if (ret) {
+			dev_dbg(inst->dev->dev, "alloc bitstream of size %zu failed\n",
+				inst->bitstream_vbuf.size);
+			return ret;
+		}
+
+		inst->std = wave5_to_vpu_codstd(inst->src_fmt.pixelformat);
+		if (inst->std == STD_UNKNOWN) {
+			dev_warn(inst->dev->dev, "unsupported pixelformat: %.4s\n",
+				 (char *)&inst->src_fmt.pixelformat);
+			return -EINVAL;
+		}
+		open_param.bitstream_buffer = inst->bitstream_vbuf.daddr;
+		open_param.bitstream_buffer_size = inst->bitstream_vbuf.size;
+
+		ret = wave5_vpu_dec_open(inst, &open_param);
+		if (ret) {
+			dev_dbg(inst->dev->dev, "wave5_vpu_dec_open failed: %d\n", ret);
+			return ret;
+		}
+
+		inst->state = VPU_INST_STATE_OPEN;
+
+		if (inst->thumbnail_mode)
+			wave5_vpu_dec_give_command(inst, ENABLE_DEC_THUMBNAIL_MODE, NULL);
+
+		inst->min_src_frame_buf_count = *num_buffers;
+	} else if (inst->state == VPU_INST_STATE_INIT_SEQ &&
+		q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		u32 non_linear_num = inst->min_dst_frame_buf_count;
+		u32 fb_stride, fb_height;
+		u32 luma_size, chroma_size;
+
+		*num_buffers = inst->min_dst_frame_buf_count;
+
+		for (i = 0; i < non_linear_num; i++) {
+			struct frame_buffer *frame = &inst->frame_buf[i];
+			struct vpu_buf *vframe = &inst->frame_vbuf[i];
+
+			fb_stride = inst->dst_fmt.width;
+			fb_height = ALIGN(inst->dst_fmt.height, 32);
+			luma_size = fb_stride * fb_height;
+			chroma_size = ALIGN(fb_stride / 2, 16) * fb_height;
+
+			vframe->size = luma_size + chroma_size;
+			ret = wave5_vdi_allocate_dma_memory(inst->dev, vframe);
+			if (ret) {
+				dev_dbg(inst->dev->dev, "alloc FBC buff of size %zu failed\n",
+					vframe->size);
+				return ret;
+			}
+
+			frame->buf_y = vframe->daddr;
+			frame->buf_cb = vframe->daddr + luma_size;
+			frame->buf_cr = (dma_addr_t)-1;
+			frame->size = vframe->size;
+			frame->width = inst->src_fmt.width;
+			frame->stride = fb_stride;
+			frame->map_type = COMPRESSED_FRAME_MAP;
+			frame->update_fb_info = true;
+		}
+	}
+
+	return 0;
+}
+
+static void wave5_vpu_dec_start_streaming_inst_open(struct vb2_queue *q, unsigned int count)
+{
+	struct dec_initial_info initial_info;
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	int ret;
+
+	ret = wave5_vpu_dec_issue_seq_init(inst);
+	if (ret)
+		dev_dbg(inst->dev->dev, "failed wave5_vpu_dec_issue_seq_init %d\n", ret);
+
+	if (wave5_vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT) < 0)
+		dev_dbg(inst->dev->dev, "failed to call vpu_wait_interrupt()\n");
+
+	ret = wave5_vpu_dec_complete_seq_init(inst, &initial_info);
+	if (ret) {
+		dev_dbg(inst->dev->dev, "vpu_dec_complete_seq_init: %d, reason : %d\n",
+			ret, initial_info.seq_init_err_reason);
+	} else {
+		static const struct v4l2_event vpu_event_src_ch = {
+			.type = V4L2_EVENT_SOURCE_CHANGE,
+			.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+		};
+
+		dev_dbg(inst->dev->dev, "width %d height %d profile %d | minbuffer : %u\n",
+			initial_info.pic_width, initial_info.pic_height,
+			initial_info.profile, initial_info.min_frame_buffer_count);
+
+		inst->state = VPU_INST_STATE_INIT_SEQ;
+		inst->min_dst_frame_buf_count = initial_info.min_frame_buffer_count + 1;
+
+		if (initial_info.pic_width != inst->src_fmt.width ||
+		    initial_info.pic_height != inst->src_fmt.height) {
+			wave5_update_pix_fmt(&inst->src_fmt, initial_info.pic_width,
+					     initial_info.pic_height);
+			wave5_update_pix_fmt(&inst->dst_fmt, initial_info.pic_width,
+					     initial_info.pic_height);
+		}
+		v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_src_ch);
+	}
+}
+
+static void wave5_vpu_dec_buf_queue(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(vbuf);
+
+	dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n",
+		vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0),
+		vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2));
+
+	v4l2_m2m_buf_queue(inst->v4l2_fh.m2m_ctx, vbuf);
+
+	if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		vpu_buf->consumed = false;
+		wave5_handle_bitstream_buffer(inst);
+		vbuf->sequence = inst->queued_src_buf_num++;
+
+		if (inst->state == VPU_INST_STATE_PIC_RUN)
+			inst->ops->start_process(inst);
+	}
+
+	if (vb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+		return;
+
+	if (inst->state == VPU_INST_STATE_INIT_SEQ) {
+		dma_addr_t buf_addr_y = 0, buf_addr_cb = 0, buf_addr_cr = 0;
+		u32 buf_size = 0;
+		u32 non_linear_num = inst->min_dst_frame_buf_count;
+		u32 fb_stride = inst->dst_fmt.width;
+		u32 luma_size = fb_stride * inst->dst_fmt.height;
+		u32 chroma_size = (fb_stride / 2) * (inst->dst_fmt.height / 2);
+
+		if (inst->dst_fmt.num_planes == 1) {
+			buf_size = vb2_plane_size(&vbuf->vb2_buf, 0);
+			buf_addr_y = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0);
+			buf_addr_cb = buf_addr_y + luma_size;
+			buf_addr_cr = buf_addr_cb + chroma_size;
+		} else if (inst->dst_fmt.num_planes == 2) {
+			buf_size = vb2_plane_size(&vbuf->vb2_buf, 0) +
+				vb2_plane_size(&vbuf->vb2_buf, 1);
+			buf_addr_y = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0);
+			buf_addr_cb = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 1);
+			buf_addr_cr = buf_addr_cb + chroma_size;
+		} else if (inst->dst_fmt.num_planes == 3) {
+			buf_size = vb2_plane_size(&vbuf->vb2_buf, 0) +
+				vb2_plane_size(&vbuf->vb2_buf, 1) +
+				vb2_plane_size(&vbuf->vb2_buf, 2);
+			buf_addr_y = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0);
+			buf_addr_cb = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 1);
+			buf_addr_cr = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 2);
+		}
+		inst->frame_buf[vb->index + non_linear_num].buf_y = buf_addr_y;
+		inst->frame_buf[vb->index + non_linear_num].buf_cb = buf_addr_cb;
+		inst->frame_buf[vb->index + non_linear_num].buf_cr = buf_addr_cr;
+		inst->frame_buf[vb->index + non_linear_num].size = buf_size;
+		inst->frame_buf[vb->index + non_linear_num].width = inst->src_fmt.width;
+		inst->frame_buf[vb->index + non_linear_num].stride = fb_stride;
+		inst->frame_buf[vb->index + non_linear_num].map_type = LINEAR_FRAME_MAP;
+		inst->frame_buf[vb->index + non_linear_num].update_fb_info = true;
+	}
+
+	if (inst->state == VPU_INST_STATE_PIC_RUN ||
+	    inst->state == VPU_INST_STATE_STOP ||
+	    inst->state == VPU_INST_STATE_WAIT_BUF) {
+		wave5_vpu_dec_clr_disp_flag(inst, vb->index);
+		if (inst->state == VPU_INST_STATE_WAIT_BUF)
+			inst->state = VPU_INST_STATE_PIC_RUN;
+		if (inst->state == VPU_INST_STATE_STOP)
+			inst->ops->start_process(inst);
+	}
+	vbuf->sequence = inst->queued_dst_buf_num++;
+}
+
+static int wave5_vpu_dec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	int ret;
+
+	dev_dbg(inst->dev->dev, "type : %d\n", q->type);
+
+	if (inst->state == VPU_INST_STATE_OPEN)
+		wave5_vpu_dec_start_streaming_inst_open(q, count);
+
+	if (inst->state == VPU_INST_STATE_INIT_SEQ &&
+	    q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		u32 non_linear_num = inst->min_dst_frame_buf_count;
+		u32 linear_num = inst->min_dst_frame_buf_count;
+		u32 stride = inst->dst_fmt.width;
+
+		dev_dbg(inst->dev->dev, "stride %d dst height %d\n", stride, inst->dst_fmt.height);
+		ret = wave5_vpu_dec_register_frame_buffer_ex(inst, non_linear_num, linear_num,
+							     stride, inst->dst_fmt.height,
+							    COMPRESSED_FRAME_MAP);
+		if (ret)
+			dev_dbg(inst->dev->dev, "fail vpu_dec_register_frame_buffer_ex %d", ret);
+
+		inst->state = VPU_INST_STATE_PIC_RUN;
+	}
+
+	return 0;
+}
+
+static void wave5_vpu_dec_stop_streaming(struct vb2_queue *q)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	struct vb2_v4l2_buffer *buf;
+	bool check_cmd = TRUE;
+
+	dev_dbg(inst->dev->dev, "type : %d\n", q->type);
+
+	if (wave5_vpu_both_queues_are_streaming(inst))
+		inst->state = VPU_INST_STATE_STOP;
+
+	while (check_cmd) {
+		struct queue_status_info q_status;
+		struct dec_output_info dec_output_info;
+		int ret;
+
+		wave5_vpu_dec_give_command(inst, DEC_GET_QUEUE_STATUS, &q_status);
+
+		if (q_status.instance_queue_count + q_status.report_queue_count == 0)
+			break;
+
+		if (wave5_vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT) < 0)
+			break;
+
+		ret = wave5_vpu_dec_get_output_info(inst, &dec_output_info);
+	}
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx))) {
+			dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n", buf->vb2_buf.type,
+				buf->vb2_buf.index);
+			v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+		}
+	} else {
+		while ((buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx))) {
+			u32 plane;
+
+			dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n", buf->vb2_buf.type,
+				buf->vb2_buf.index);
+
+			for (plane = 0; plane < inst->dst_fmt.num_planes; plane++)
+				vb2_set_plane_payload(&buf->vb2_buf, plane, 0);
+
+			v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+		}
+	}
+}
+
+static const struct vb2_ops wave5_vpu_dec_vb2_ops = {
+	.queue_setup = wave5_vpu_dec_queue_setup,
+	.wait_prepare = vb2_ops_wait_prepare,
+	.wait_finish = vb2_ops_wait_finish,
+	.buf_queue = wave5_vpu_dec_buf_queue,
+	.start_streaming = wave5_vpu_dec_start_streaming,
+	.stop_streaming = wave5_vpu_dec_stop_streaming,
+};
+
+static void wave5_set_default_format(struct v4l2_pix_format_mplane *src_fmt,
+				     struct v4l2_pix_format_mplane *dst_fmt)
+{
+	unsigned int dst_pix_fmt = wave5_vpu_dec_fmt_list[VPU_FMT_TYPE_RAW][0].v4l2_pix_fmt;
+	const struct v4l2_format_info *dst_fmt_info = v4l2_format_info(dst_pix_fmt);
+
+	src_fmt->pixelformat = wave5_vpu_dec_fmt_list[VPU_FMT_TYPE_CODEC][0].v4l2_pix_fmt;
+	src_fmt->field = V4L2_FIELD_NONE;
+	src_fmt->flags = 0;
+	src_fmt->num_planes = 1;
+	wave5_update_pix_fmt(src_fmt, 720, 480);
+
+	dst_fmt->pixelformat = dst_pix_fmt;
+	dst_fmt->field = V4L2_FIELD_NONE;
+	dst_fmt->flags = 0;
+	dst_fmt->num_planes = dst_fmt_info->mem_planes;
+	wave5_update_pix_fmt(dst_fmt, 736, 480);
+}
+
+static int wave5_vpu_dec_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+{
+	struct vpu_instance *inst = priv;
+	int ret;
+
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->ops = &wave5_vpu_dec_vb2_ops;
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->buf_struct_size = sizeof(struct vpu_buffer);
+	src_vq->allow_zero_bytesused = 1;
+	src_vq->min_buffers_needed = 0;
+	src_vq->drv_priv = inst;
+	src_vq->lock = &inst->dev->dev_lock;
+	src_vq->dev = inst->dev->v4l2_dev.dev;
+	ret = vb2_queue_init(src_vq);
+	if (ret)
+		return ret;
+
+	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->ops = &wave5_vpu_dec_vb2_ops;
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->buf_struct_size = sizeof(struct vpu_buffer);
+	dst_vq->allow_zero_bytesused = 1;
+	dst_vq->min_buffers_needed = 0;
+	dst_vq->drv_priv = inst;
+	dst_vq->lock = &inst->dev->dev_lock;
+	dst_vq->dev = inst->dev->v4l2_dev.dev;
+	ret = vb2_queue_init(dst_vq);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static const struct vpu_instance_ops wave5_vpu_dec_inst_ops = {
+	.start_process = wave5_vpu_dec_start_decode,
+	.stop_process = wave5_vpu_dec_stop_decode,
+	.finish_process = wave5_vpu_dec_finish_decode,
+};
+
+static int wave5_vpu_open_dec(struct file *filp)
+{
+	struct video_device *vdev = video_devdata(filp);
+	struct vpu_device *dev = video_drvdata(filp);
+	struct vpu_instance *inst = NULL;
+	struct v4l2_ctrl *ctrl;
+	int ret;
+
+	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+	if (!inst)
+		return -ENOMEM;
+
+	inst->dev = dev;
+	inst->type = VPU_INST_TYPE_DEC;
+	inst->ops = &wave5_vpu_dec_inst_ops;
+
+	spin_lock_init(&inst->bitstream_lock);
+
+	v4l2_fh_init(&inst->v4l2_fh, vdev);
+	filp->private_data = &inst->v4l2_fh;
+	v4l2_fh_add(&inst->v4l2_fh);
+
+	inst->v4l2_fh.m2m_ctx =
+		v4l2_m2m_ctx_init(dev->v4l2_m2m_dev, inst, wave5_vpu_dec_queue_init);
+	if (IS_ERR(inst->v4l2_fh.m2m_ctx)) {
+		ret = PTR_ERR(inst->v4l2_fh.m2m_ctx);
+		goto free_inst;
+	}
+
+	v4l2_ctrl_handler_init(&inst->v4l2_ctrl_hdl, 10);
+	v4l2_ctrl_new_custom(&inst->v4l2_ctrl_hdl, &wave5_vpu_thumbnail_mode, NULL);
+	ctrl = v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &wave5_vpu_dec_ctrl_ops,
+				 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 1);
+	if (ctrl)
+		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+	if (inst->v4l2_ctrl_hdl.error) {
+		ret = -ENODEV;
+		goto free_inst;
+	}
+
+	inst->v4l2_fh.ctrl_handler = &inst->v4l2_ctrl_hdl;
+	v4l2_ctrl_handler_setup(&inst->v4l2_ctrl_hdl);
+
+	wave5_set_default_format(&inst->src_fmt, &inst->dst_fmt);
+	inst->colorspace = V4L2_COLORSPACE_REC709;
+	inst->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+	inst->hsv_enc = 0;
+	inst->quantization = V4L2_QUANTIZATION_DEFAULT;
+	inst->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+
+	return 0;
+
+free_inst:
+	kfree(inst);
+	return ret;
+}
+
+static int wave5_vpu_dec_release(struct file *filp)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(filp->private_data);
+	u32 fail_res;
+	int retry_count = 10;
+	int i, ret;
+
+	v4l2_m2m_ctx_release(inst->v4l2_fh.m2m_ctx);
+	if (inst->state != VPU_INST_STATE_NONE) {
+		do {
+			fail_res = 0;
+			ret = wave5_vpu_dec_close(inst, &fail_res);
+			if (ret && ret != -EIO)
+				break;
+			if (fail_res != WAVE5_SYSERR_VPU_STILL_RUNNING)
+				break;
+			if (!wave5_vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT))
+				break;
+		} while (--retry_count);
+
+		if (fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING)
+			dev_warn(inst->dev->dev, "close fail res %u\n", fail_res);
+		if (ret && ret != -EIO)
+			dev_warn(inst->dev->dev, "close fail ret=%d\n", ret);
+	}
+
+	for (i = 0; i < inst->min_dst_frame_buf_count; i++)
+		wave5_vdi_free_dma_memory(inst->dev, &inst->frame_vbuf[i]);
+
+	wave5_vdi_free_dma_memory(inst->dev, &inst->bitstream_vbuf);
+	v4l2_ctrl_handler_free(&inst->v4l2_ctrl_hdl);
+	v4l2_fh_del(&inst->v4l2_fh);
+	v4l2_fh_exit(&inst->v4l2_fh);
+	kfree(inst);
+
+	return 0;
+}
+
+static const struct v4l2_file_operations wave5_vpu_dec_fops = {
+	.owner = THIS_MODULE,
+	.open = wave5_vpu_open_dec,
+	.release = wave5_vpu_dec_release,
+	.unlocked_ioctl = video_ioctl2,
+	.poll = v4l2_m2m_fop_poll,
+	.mmap = v4l2_m2m_fop_mmap,
+};
+
+int wave5_vpu_dec_register_device(struct vpu_device *dev)
+{
+	struct video_device *vdev_dec;
+	int ret;
+
+	vdev_dec = devm_kzalloc(dev->v4l2_dev.dev, sizeof(*vdev_dec), GFP_KERNEL);
+	if (!vdev_dec)
+		return -ENOMEM;
+
+	dev->video_dev_dec = vdev_dec;
+
+	strscpy(vdev_dec->name, VPU_DEC_DEV_NAME, sizeof(vdev_dec->name));
+	vdev_dec->fops = &wave5_vpu_dec_fops;
+	vdev_dec->ioctl_ops = &wave5_vpu_dec_ioctl_ops;
+	vdev_dec->release = video_device_release_empty;
+	vdev_dec->v4l2_dev = &dev->v4l2_dev;
+	vdev_dec->vfl_dir = VFL_DIR_M2M;
+	vdev_dec->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+	vdev_dec->lock = &dev->dev_lock;
+
+	ret = video_register_device(vdev_dec, VFL_TYPE_VIDEO, -1);
+	if (ret)
+		return ret;
+
+	video_set_drvdata(vdev_dec, dev);
+
+	return 0;
+}
+
+void wave5_vpu_dec_unregister_device(struct vpu_device *dev)
+{
+	video_unregister_device(dev->video_dev_dec);
+}
+
diff --git a/drivers/staging/media/wave5/wave5-vpu-enc.c b/drivers/staging/media/wave5/wave5-vpu-enc.c
new file mode 100644
index 000000000000..acd2cb9020fd
--- /dev/null
+++ b/drivers/staging/media/wave5/wave5-vpu-enc.c
@@ -0,0 +1,1532 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Wave5 series multi-standard codec IP - encoder interface
+ *
+ * Copyright (C) 2021 CHIPS&MEDIA INC
+ */
+
+#include "wave5-vpu.h"
+
+#define VPU_ENC_DEV_NAME "C&M VPU encoder"
+#define VPU_ENC_DRV_NAME "vpu-enc"
+
+static const struct vpu_format wave5_vpu_enc_fmt_list[2][6] = {
+	[VPU_FMT_TYPE_CODEC] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_HEVC,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_H264,
+			.max_width = 8192,
+			.min_width = 32,
+			.max_height = 8192,
+			.min_height = 32,
+		},
+	},
+	[VPU_FMT_TYPE_RAW] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420M,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12M,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21M,
+			.max_width = 8192,
+			.min_width = 8,
+			.max_height = 8192,
+			.min_height = 8,
+		},
+	}
+};
+
+static enum wave_std wave5_to_vpu_wavestd(unsigned int v4l2_pix_fmt)
+{
+	switch (v4l2_pix_fmt) {
+	case V4L2_PIX_FMT_H264:
+		return W_AVC_ENC;
+	case V4L2_PIX_FMT_HEVC:
+		return W_HEVC_ENC;
+	default:
+		return STD_UNKNOWN;
+	}
+}
+
+static const struct vpu_format *wave5_find_vpu_format(unsigned int v4l2_pix_fmt,
+						      enum vpu_fmt_type type)
+{
+	unsigned int index;
+
+	for (index = 0; index < ARRAY_SIZE(wave5_vpu_enc_fmt_list[type]); index++) {
+		if (wave5_vpu_enc_fmt_list[type][index].v4l2_pix_fmt == v4l2_pix_fmt)
+			return &wave5_vpu_enc_fmt_list[type][index];
+	}
+
+	return NULL;
+}
+
+static const struct vpu_format *wave5_find_vpu_fmt_by_idx(unsigned int idx, enum vpu_fmt_type type)
+{
+	if (idx >= ARRAY_SIZE(wave5_vpu_enc_fmt_list[type]))
+		return NULL;
+
+	if (!wave5_vpu_enc_fmt_list[type][idx].v4l2_pix_fmt)
+		return NULL;
+
+	return &wave5_vpu_enc_fmt_list[type][idx];
+}
+
+static struct vb2_v4l2_buffer *wave5_get_valid_src_buf(struct vpu_instance *inst)
+{
+	struct vb2_v4l2_buffer *vb2_v4l2_buf;
+	struct v4l2_m2m_buffer *v4l2_m2m_buf;
+	struct vpu_buffer *vpu_buf = NULL;
+
+	v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		vb2_v4l2_buf = &v4l2_m2m_buf->vb;
+		vpu_buf = wave5_to_vpu_buf(vb2_v4l2_buf);
+
+		if (!vpu_buf->consumed) {
+			dev_dbg(inst->dev->dev, "no consumed src idx : %d\n",
+				vb2_v4l2_buf->vb2_buf.index);
+			return vb2_v4l2_buf;
+		}
+	}
+
+	return NULL;
+}
+
+static struct vb2_v4l2_buffer *wave5_get_valid_dst_buf(struct vpu_instance *inst)
+{
+	struct vb2_v4l2_buffer *vb2_v4l2_buf;
+	struct v4l2_m2m_buffer *v4l2_m2m_buf;
+	struct vpu_buffer *vpu_buf;
+
+	v4l2_m2m_for_each_dst_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		vb2_v4l2_buf = &v4l2_m2m_buf->vb;
+		vpu_buf = wave5_to_vpu_buf(vb2_v4l2_buf);
+
+		if (!vpu_buf->consumed) {
+			dev_dbg(inst->dev->dev, "no consumed dst idx : %d\n",
+				vb2_v4l2_buf->vb2_buf.index);
+			return vb2_v4l2_buf;
+		}
+	}
+
+	return NULL;
+}
+
+static void wave5_update_pix_fmt(struct v4l2_pix_format_mplane *pix_mp, unsigned int width,
+				 unsigned int height)
+{
+	switch (pix_mp->pixelformat) {
+	case V4L2_PIX_FMT_YUV420:
+	case V4L2_PIX_FMT_NV12:
+	case V4L2_PIX_FMT_NV21:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height * 3 / 2;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		break;
+	case V4L2_PIX_FMT_YUV420M:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		pix_mp->plane_fmt[1].bytesperline = round_up(width, 32) / 2;
+		pix_mp->plane_fmt[1].sizeimage = round_up(width, 32) * height / 4;
+		memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved));
+		pix_mp->plane_fmt[2].bytesperline = round_up(width, 32) / 2;
+		pix_mp->plane_fmt[2].sizeimage = round_up(width, 32) * height / 4;
+		memset(&pix_mp->plane_fmt[2].reserved, 0, sizeof(pix_mp->plane_fmt[2].reserved));
+		break;
+	case V4L2_PIX_FMT_NV12M:
+	case V4L2_PIX_FMT_NV21M:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		pix_mp->plane_fmt[1].bytesperline = round_up(width, 32);
+		pix_mp->plane_fmt[1].sizeimage = round_up(width, 32) * height / 2;
+		memset(&pix_mp->plane_fmt[1].reserved, 0, sizeof(pix_mp->plane_fmt[1].reserved));
+		break;
+	default:
+		pix_mp->width = round_up(width, 32);
+		pix_mp->height = height;
+		pix_mp->plane_fmt[0].bytesperline = 0;
+		pix_mp->plane_fmt[0].sizeimage = round_up(width, 32) * height;
+		memset(&pix_mp->plane_fmt[0].reserved, 0, sizeof(pix_mp->plane_fmt[0].reserved));
+		break;
+	}
+}
+
+static void wave5_vpu_enc_start_encode(struct vpu_instance *inst)
+{
+	int ret;
+	u32 max_cmd_q = 0;
+
+	max_cmd_q = (inst->min_src_frame_buf_count < COMMAND_QUEUE_DEPTH) ?
+		inst->min_src_frame_buf_count : COMMAND_QUEUE_DEPTH;
+
+	if (inst->state == VPU_INST_STATE_STOP)
+		max_cmd_q = 1;
+
+	while (max_cmd_q) {
+		struct vb2_v4l2_buffer *src_buf;
+		struct vb2_v4l2_buffer *dst_buf;
+		struct vpu_buffer *src_vbuf;
+		struct vpu_buffer *dst_vbuf;
+		struct frame_buffer frame_buf;
+		struct enc_param pic_param;
+		u32 luma_size = (inst->dst_fmt.width * inst->dst_fmt.height);
+		u32 chroma_size = ((inst->dst_fmt.width / 2) * (inst->dst_fmt.height / 2));
+		u32 fail_res;
+
+		memset(&pic_param, 0, sizeof(struct enc_param));
+		memset(&frame_buf, 0, sizeof(struct frame_buffer));
+
+		src_buf = wave5_get_valid_src_buf(inst);
+		dst_buf = wave5_get_valid_dst_buf(inst);
+
+		if (!dst_buf) {
+			dev_dbg(inst->dev->dev, "no valid dst buf\n");
+			break;
+		}
+
+		dst_vbuf = wave5_to_vpu_buf(dst_buf);
+		pic_param.pic_stream_buffer_addr =
+			vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
+		pic_param.pic_stream_buffer_size =
+			vb2_plane_size(&dst_buf->vb2_buf, 0);
+
+		if (!src_buf) {
+			dev_dbg(inst->dev->dev, "no valid src buf\n");
+			if (inst->state == VPU_INST_STATE_STOP)
+				pic_param.src_end_flag = 1;
+			else
+				break;
+		} else {
+			src_vbuf = wave5_to_vpu_buf(src_buf);
+			if (inst->src_fmt.num_planes == 1) {
+				frame_buf.buf_y =
+					vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+				frame_buf.buf_cb = frame_buf.buf_y + luma_size;
+				frame_buf.buf_cr = frame_buf.buf_cb + chroma_size;
+			} else if (inst->src_fmt.num_planes == 2) {
+				frame_buf.buf_y =
+					vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+				frame_buf.buf_cb =
+					vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 1);
+				frame_buf.buf_cr = frame_buf.buf_cb + chroma_size;
+			} else if (inst->src_fmt.num_planes == 3) {
+				frame_buf.buf_y =
+					vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+				frame_buf.buf_cb =
+					vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 1);
+				frame_buf.buf_cr =
+					vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 2);
+			}
+			frame_buf.stride = inst->dst_fmt.width;
+			pic_param.src_idx = src_buf->vb2_buf.index;
+		}
+
+		pic_param.source_frame = &frame_buf;
+		pic_param.code_option.implicit_header_encode = 1;
+		ret = wave5_vpu_enc_start_one_frame(inst, &pic_param, &fail_res);
+		if (ret) {
+			if (fail_res == WAVE5_SYSERR_QUEUEING_FAIL)
+				break;
+
+			dev_dbg(inst->dev->dev, "fail wave5_vpu_enc_start_one_frame() %d\n",
+				ret);
+			src_buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx);
+			dst_buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx);
+			inst->state = VPU_INST_STATE_STOP;
+			v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
+			v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_ERROR);
+		} else {
+			dev_dbg(inst->dev->dev, "success  wave5_vpu_enc_start_one_frame()\n");
+			if (src_buf)
+				src_vbuf->consumed = TRUE;
+			if (dst_buf)
+				dst_vbuf->consumed = TRUE;
+		}
+
+		max_cmd_q--;
+	}
+}
+
+static void wave5_vpu_enc_stop_encode(struct vpu_instance *inst)
+{
+	inst->state = VPU_INST_STATE_STOP;
+
+	v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+}
+
+static void wave5_vpu_enc_finish_encode(struct vpu_instance *inst)
+{
+	int ret;
+	struct enc_output_info enc_output_info;
+	int irq_status;
+	struct vb2_v4l2_buffer *dst_buf = NULL;
+	struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL;
+
+	if (kfifo_out(&inst->dev->irq_status, &irq_status, sizeof(int)))
+		wave5_vpu_clear_interrupt_ex(inst, irq_status);
+
+	ret = wave5_vpu_enc_get_output_info(inst, &enc_output_info);
+	if (ret) {
+		dev_dbg(inst->dev->dev, "vpu_enc_get_output_info fail %d  reason: %d | info : %d\n",
+			ret, enc_output_info.error_reason, enc_output_info.warn_info);
+		return;
+	}
+
+	v4l2_m2m_for_each_dst_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		dst_buf = &v4l2_m2m_buf->vb;
+		if (enc_output_info.bitstream_buffer ==
+			vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0))
+			break;
+	}
+
+	if (enc_output_info.enc_src_idx >= 0) {
+		struct vb2_v4l2_buffer *src_buf =
+			v4l2_m2m_src_buf_remove_by_idx(inst->v4l2_fh.m2m_ctx,
+						       enc_output_info.enc_src_idx);
+
+		inst->timestamp = src_buf->vb2_buf.timestamp;
+		v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
+	}
+
+	if (enc_output_info.recon_frame_index == RECON_IDX_FLAG_ENC_END) {
+		static const struct v4l2_event vpu_event_eos = {
+			.type = V4L2_EVENT_EOS
+		};
+
+		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
+		dst_buf->vb2_buf.timestamp = inst->timestamp;
+		dst_buf->field = V4L2_FIELD_NONE;
+		dst_buf->flags |= V4L2_BUF_FLAG_LAST;
+		v4l2_m2m_dst_buf_remove_by_buf(inst->v4l2_fh.m2m_ctx, dst_buf);
+		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
+
+		inst->state = VPU_INST_STATE_PIC_RUN;
+		v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_eos);
+
+		v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+	} else {
+		vb2_set_plane_payload(&dst_buf->vb2_buf, 0, enc_output_info.bitstream_size);
+
+		dst_buf->vb2_buf.timestamp = inst->timestamp;
+		dst_buf->field = V4L2_FIELD_NONE;
+		if (enc_output_info.pic_type == PIC_TYPE_I) {
+			if (enc_output_info.enc_vcl_nut == 19 ||
+			    enc_output_info.enc_vcl_nut == 20)
+				dst_buf->flags |= V4L2_BUF_FLAG_KEYFRAME;
+			else
+				dst_buf->flags |= V4L2_BUF_FLAG_PFRAME;
+		} else if (enc_output_info.pic_type == PIC_TYPE_P) {
+			dst_buf->flags |= V4L2_BUF_FLAG_PFRAME;
+		} else if (enc_output_info.pic_type == PIC_TYPE_B) {
+			dst_buf->flags |= V4L2_BUF_FLAG_BFRAME;
+		}
+
+		v4l2_m2m_dst_buf_remove_by_buf(inst->v4l2_fh.m2m_ctx, dst_buf);
+		v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE);
+	}
+}
+
+static int wave5_vpu_enc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+	strscpy(cap->driver, VPU_ENC_DRV_NAME, sizeof(cap->driver));
+	strscpy(cap->card, VPU_ENC_DRV_NAME, sizeof(cap->card));
+	strscpy(cap->bus_info, "platform:" VPU_ENC_DRV_NAME, sizeof(cap->bus_info));
+
+	return 0;
+}
+
+static int wave5_vpu_enc_enum_framesizes(struct file *f, void *fh, struct v4l2_frmsizeenum *fsize)
+{
+	const struct vpu_format *vpu_fmt;
+
+	if (fsize->index)
+		return -EINVAL;
+
+	vpu_fmt = wave5_find_vpu_format(fsize->pixel_format, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt) {
+		vpu_fmt = wave5_find_vpu_format(fsize->pixel_format, VPU_FMT_TYPE_RAW);
+		if (!vpu_fmt)
+			return -EINVAL;
+	}
+
+	fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
+	fsize->stepwise.min_width = vpu_fmt->min_width;
+	fsize->stepwise.max_width = vpu_fmt->max_width;
+	fsize->stepwise.step_width = 1;
+	fsize->stepwise.min_height = vpu_fmt->min_height;
+	fsize->stepwise.max_height = vpu_fmt->max_height;
+	fsize->stepwise.step_height = 1;
+
+	return 0;
+}
+
+static int wave5_vpu_enc_enum_fmt_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "index : %d\n", f->index);
+
+	vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt)
+		return -EINVAL;
+
+	f->pixelformat = vpu_fmt->v4l2_pix_fmt;
+	f->flags = 0;
+
+	return 0;
+}
+
+static int wave5_vpu_enc_try_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "fourcc: %d width %d height %d num_planes %d field : %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field);
+
+	if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+		return -EINVAL;
+
+	vpu_fmt = wave5_find_vpu_format(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt) {
+		f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat;
+		f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, inst->dst_fmt.width, inst->dst_fmt.height);
+	} else {
+		int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width);
+		int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height);
+
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes = 1;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, width, height);
+	}
+
+	f->fmt.pix_mp.flags = 0;
+	f->fmt.pix_mp.field = V4L2_FIELD_NONE;
+	f->fmt.pix_mp.colorspace = inst->colorspace;
+	f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc;
+	f->fmt.pix_mp.hsv_enc = inst->hsv_enc;
+	f->fmt.pix_mp.quantization = inst->quantization;
+	f->fmt.pix_mp.xfer_func = inst->xfer_func;
+	memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved));
+
+	return 0;
+}
+
+static int wave5_vpu_enc_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i, ret;
+
+	dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d field %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field);
+
+	ret = wave5_vpu_enc_try_fmt_cap(file, fh, f);
+	if (ret)
+		return ret;
+
+	inst->dst_fmt.width = f->fmt.pix_mp.width;
+	inst->dst_fmt.height = f->fmt.pix_mp.height;
+	inst->dst_fmt.pixelformat = f->fmt.pix_mp.pixelformat;
+	inst->dst_fmt.field = f->fmt.pix_mp.field;
+	inst->dst_fmt.flags = f->fmt.pix_mp.flags;
+	inst->dst_fmt.num_planes = f->fmt.pix_mp.num_planes;
+	for (i = 0; i < inst->dst_fmt.num_planes; i++) {
+		inst->dst_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline;
+		inst->dst_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_enc_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i;
+
+	f->fmt.pix_mp.width = inst->dst_fmt.width;
+	f->fmt.pix_mp.height = inst->dst_fmt.height;
+	f->fmt.pix_mp.pixelformat = inst->dst_fmt.pixelformat;
+	f->fmt.pix_mp.field = inst->dst_fmt.field;
+	f->fmt.pix_mp.flags = inst->dst_fmt.flags;
+	f->fmt.pix_mp.num_planes = inst->dst_fmt.num_planes;
+	for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
+		f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->dst_fmt.plane_fmt[i].bytesperline;
+		f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->dst_fmt.plane_fmt[i].sizeimage;
+	}
+
+	f->fmt.pix_mp.colorspace = inst->colorspace;
+	f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc;
+	f->fmt.pix_mp.hsv_enc = inst->hsv_enc;
+	f->fmt.pix_mp.quantization = inst->quantization;
+	f->fmt.pix_mp.xfer_func = inst->xfer_func;
+
+	return 0;
+}
+
+static int wave5_vpu_enc_enum_fmt_out(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "index : %d\n", f->index);
+
+	vpu_fmt = wave5_find_vpu_fmt_by_idx(f->index, VPU_FMT_TYPE_RAW);
+	if (!vpu_fmt)
+		return -EINVAL;
+
+	f->pixelformat = vpu_fmt->v4l2_pix_fmt;
+	f->flags = 0;
+
+	return 0;
+}
+
+static int wave5_vpu_enc_try_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d field %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field);
+
+	if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		return -EINVAL;
+
+	vpu_fmt = wave5_find_vpu_format(f->fmt.pix_mp.pixelformat, VPU_FMT_TYPE_RAW);
+	if (!vpu_fmt) {
+		f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat;
+		f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, inst->src_fmt.width, inst->src_fmt.height);
+	} else {
+		int width = clamp(f->fmt.pix_mp.width, vpu_fmt->min_width, vpu_fmt->max_width);
+		int height = clamp(f->fmt.pix_mp.height, vpu_fmt->min_height, vpu_fmt->max_height);
+		const struct v4l2_format_info *info = v4l2_format_info(vpu_fmt->v4l2_pix_fmt);
+
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes = info->mem_planes;
+		wave5_update_pix_fmt(&f->fmt.pix_mp, width, height);
+	}
+
+	f->fmt.pix_mp.flags = 0;
+	f->fmt.pix_mp.field = V4L2_FIELD_NONE;
+	memset(&f->fmt.pix_mp.reserved, 0, sizeof(f->fmt.pix_mp.reserved));
+
+	return 0;
+}
+
+static int wave5_vpu_enc_s_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i, ret;
+
+	dev_dbg(inst->dev->dev, "4cc %d width %d height %d num_planes %d field : %d\n",
+		f->fmt.pix_mp.pixelformat, f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+		f->fmt.pix_mp.num_planes, f->fmt.pix_mp.field);
+
+	ret = wave5_vpu_enc_try_fmt_out(file, fh, f);
+	if (ret)
+		return ret;
+
+	inst->src_fmt.width = f->fmt.pix_mp.width;
+	inst->src_fmt.height = f->fmt.pix_mp.height;
+	inst->src_fmt.pixelformat = f->fmt.pix_mp.pixelformat;
+	inst->src_fmt.field = f->fmt.pix_mp.field;
+	inst->src_fmt.flags = f->fmt.pix_mp.flags;
+	inst->src_fmt.num_planes = f->fmt.pix_mp.num_planes;
+	for (i = 0; i < inst->src_fmt.num_planes; i++) {
+		inst->src_fmt.plane_fmt[i].bytesperline = f->fmt.pix_mp.plane_fmt[i].bytesperline;
+		inst->src_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage;
+	}
+
+	if (inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV12 ||
+	    inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV12M) {
+		inst->cbcr_interleave = true;
+		inst->nv21 = false;
+	} else if (inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV21 ||
+		   inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV21M) {
+		inst->cbcr_interleave = true;
+		inst->nv21 = true;
+	} else {
+		inst->cbcr_interleave = false;
+		inst->nv21 = false;
+	}
+
+	inst->colorspace = f->fmt.pix_mp.colorspace;
+	inst->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
+	inst->hsv_enc = f->fmt.pix_mp.hsv_enc;
+	inst->quantization = f->fmt.pix_mp.quantization;
+	inst->xfer_func = f->fmt.pix_mp.xfer_func;
+
+	wave5_update_pix_fmt(&inst->dst_fmt, f->fmt.pix_mp.width, f->fmt.pix_mp.height);
+
+	return 0;
+}
+
+static int wave5_vpu_enc_g_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int i;
+
+	dev_dbg(inst->dev->dev, "\n");
+
+	f->fmt.pix_mp.width = inst->src_fmt.width;
+	f->fmt.pix_mp.height = inst->src_fmt.height;
+	f->fmt.pix_mp.pixelformat = inst->src_fmt.pixelformat;
+	f->fmt.pix_mp.field = inst->src_fmt.field;
+	f->fmt.pix_mp.flags = inst->src_fmt.flags;
+	f->fmt.pix_mp.num_planes = inst->src_fmt.num_planes;
+	for (i = 0; i < f->fmt.pix_mp.num_planes; i++) {
+		f->fmt.pix_mp.plane_fmt[i].bytesperline = inst->src_fmt.plane_fmt[i].bytesperline;
+		f->fmt.pix_mp.plane_fmt[i].sizeimage = inst->src_fmt.plane_fmt[i].sizeimage;
+	}
+
+	f->fmt.pix_mp.colorspace = inst->colorspace;
+	f->fmt.pix_mp.ycbcr_enc = inst->ycbcr_enc;
+	f->fmt.pix_mp.hsv_enc = inst->hsv_enc;
+	f->fmt.pix_mp.quantization = inst->quantization;
+	f->fmt.pix_mp.xfer_func = inst->xfer_func;
+
+	return 0;
+}
+
+static int wave5_vpu_enc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target);
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+		switch (s->target) {
+		case V4L2_SEL_TGT_CROP_DEFAULT:
+		case V4L2_SEL_TGT_CROP_BOUNDS:
+			s->r.left = 0;
+			s->r.top = 0;
+			s->r.width = inst->src_fmt.width;
+			s->r.height = inst->src_fmt.height;
+			break;
+		case V4L2_SEL_TGT_CROP:
+			s->r.left = 0;
+			s->r.top = 0;
+			s->r.width = inst->dst_fmt.width;
+			s->r.height = inst->dst_fmt.height;
+			dev_dbg(inst->dev->dev, "V4L2_SEL_TGT_CROP width : %d | height : %d\n",
+				s->r.width, s->r.height);
+			break;
+		default:
+			return -EINVAL;
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_enc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d | target : %d\n", s->type, s->target);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+		return -EINVAL;
+
+	if (s->target != V4L2_SEL_TGT_CROP)
+		return -EINVAL;
+
+	dev_dbg(inst->dev->dev, "V4L2_SEL_TGT_CROP width : %d | height : %d\n",
+		s->r.width, s->r.height);
+	inst->dst_fmt.width = s->r.width;
+	inst->dst_fmt.height = s->r.height;
+
+	return 0;
+}
+
+static int wave5_vpu_enc_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec)
+{
+	if (ec->cmd != V4L2_ENC_CMD_STOP && ec->cmd != V4L2_ENC_CMD_START)
+		return -EINVAL;
+
+	ec->flags = 0;
+	return 0;
+}
+
+static int wave5_vpu_enc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+	int ret;
+
+	ret = wave5_vpu_enc_try_encoder_cmd(file, fh, ec);
+	if (ret < 0)
+		return ret;
+
+	if (!wave5_vpu_both_queues_are_streaming(inst))
+		return 0;
+
+	switch (ec->cmd) {
+	case V4L2_ENC_CMD_STOP:
+		inst->state = VPU_INST_STATE_STOP;
+		inst->ops->start_process(inst);
+		break;
+	case V4L2_ENC_CMD_START:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int wave5_vpu_enc_subscribe_event(struct v4l2_fh *fh,
+					 const struct v4l2_event_subscription *sub)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type %d | id : %d | flags : %d\n", sub->type, sub->id, sub->flags);
+
+	switch (sub->type) {
+	case V4L2_EVENT_EOS:
+		return v4l2_event_subscribe(fh, sub, 0, NULL);
+	case V4L2_EVENT_CTRL:
+		return v4l2_ctrl_subscribe_event(fh, sub);
+	default:
+		return -EINVAL;
+	}
+}
+
+static int wave5_vpu_enc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d\n", a->type);
+
+	if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		return -EINVAL;
+
+	a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
+	a->parm.output.timeperframe.numerator = 1;
+	a->parm.output.timeperframe.denominator = inst->frame_rate;
+
+	dev_dbg(inst->dev->dev, "numerator : %d | denominator : %d\n",
+		a->parm.output.timeperframe.numerator,
+			a->parm.output.timeperframe.denominator);
+
+	return 0;
+}
+
+static int wave5_vpu_enc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
+
+	dev_dbg(inst->dev->dev, "type : %d\n", a->type);
+
+	if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		return -EINVAL;
+
+	a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
+	if (a->parm.output.timeperframe.denominator && a->parm.output.timeperframe.numerator) {
+		inst->frame_rate = a->parm.output.timeperframe.denominator /
+				   a->parm.output.timeperframe.numerator;
+	} else {
+		a->parm.output.timeperframe.numerator = 1;
+		a->parm.output.timeperframe.denominator = inst->frame_rate;
+	}
+
+	dev_dbg(inst->dev->dev, "numerator : %d | denominator : %d\n",
+		a->parm.output.timeperframe.numerator,
+		a->parm.output.timeperframe.denominator);
+
+	return 0;
+}
+
+static const struct v4l2_ioctl_ops wave5_vpu_enc_ioctl_ops = {
+	.vidioc_querycap = wave5_vpu_enc_querycap,
+	.vidioc_enum_framesizes = wave5_vpu_enc_enum_framesizes,
+
+	.vidioc_enum_fmt_vid_cap	= wave5_vpu_enc_enum_fmt_cap,
+	.vidioc_s_fmt_vid_cap_mplane = wave5_vpu_enc_s_fmt_cap,
+	.vidioc_g_fmt_vid_cap_mplane = wave5_vpu_enc_g_fmt_cap,
+	.vidioc_try_fmt_vid_cap_mplane = wave5_vpu_enc_try_fmt_cap,
+
+	.vidioc_enum_fmt_vid_out	= wave5_vpu_enc_enum_fmt_out,
+	.vidioc_s_fmt_vid_out_mplane = wave5_vpu_enc_s_fmt_out,
+	.vidioc_g_fmt_vid_out_mplane = wave5_vpu_enc_g_fmt_out,
+	.vidioc_try_fmt_vid_out_mplane = wave5_vpu_enc_try_fmt_out,
+
+	.vidioc_g_selection = wave5_vpu_enc_g_selection,
+	.vidioc_s_selection = wave5_vpu_enc_s_selection,
+
+	.vidioc_g_parm = wave5_vpu_enc_g_parm,
+	.vidioc_s_parm = wave5_vpu_enc_s_parm,
+
+	.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+	.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+	.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+	.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+	.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+	.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+	.vidioc_streamon = v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+
+	.vidioc_try_encoder_cmd = wave5_vpu_enc_try_encoder_cmd,
+	.vidioc_encoder_cmd = wave5_vpu_enc_encoder_cmd,
+
+	.vidioc_subscribe_event = wave5_vpu_enc_subscribe_event,
+	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static int wave5_vpu_enc_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl);
+
+	dev_dbg(inst->dev->dev, "name : %s\n", ctrl->name);
+
+	switch (ctrl->id) {
+	case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
+		if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN)
+			ctrl->val = inst->min_src_frame_buf_count;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	dev_dbg(inst->dev->dev, "value : %d\n", ctrl->val);
+
+	return 0;
+}
+
+static int wave5_vpu_enc_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = wave5_ctrl_to_vpu_inst(ctrl);
+
+	dev_dbg(inst->dev->dev, "name : %s | value : %d\n", ctrl->name, ctrl->val);
+
+	switch (ctrl->id) {
+	case V4L2_CID_HFLIP:
+		inst->mirror_direction |= (ctrl->val << 1);
+		break;
+	case V4L2_CID_VFLIP:
+		inst->mirror_direction |= ctrl->val;
+		break;
+	case V4L2_CID_ROTATE:
+		inst->rot_angle = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
+		inst->vbv_buf_size = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
+		switch (ctrl->val) {
+		case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
+			inst->profile = HEVC_PROFILE_MAIN;
+			inst->bit_depth = 8;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
+			inst->profile = HEVC_PROFILE_STILLPICTURE;
+			inst->bit_depth = 8;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
+			inst->profile = HEVC_PROFILE_MAIN10;
+			inst->bit_depth = 10;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
+		switch (ctrl->val) {
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
+			inst->level = 10 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
+			inst->level = 20 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
+			inst->level = 21 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
+			inst->level = 30 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
+			inst->level = 31 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
+			inst->level = 40 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
+			inst->level = 41 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
+			inst->level = 50 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
+			inst->level = 51 * 3;
+			break;
+		case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
+			inst->level = 52 * 3;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP:
+		inst->min_qp_i = ctrl->val;
+		inst->min_qp_p = ctrl->val;
+		inst->min_qp_b = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP:
+		inst->max_qp_i = ctrl->val;
+		inst->max_qp_p = ctrl->val;
+		inst->max_qp_b = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+		switch (ctrl->val) {
+		case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
+		case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
+			inst->profile = H264_PROFILE_BP;
+			inst->bit_depth = 8;
+			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
+			inst->profile = H264_PROFILE_MP;
+			inst->bit_depth = 8;
+			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
+			inst->profile = H264_PROFILE_EXTENDED;
+			inst->bit_depth = 8;
+			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
+			inst->profile = H264_PROFILE_HP;
+			inst->bit_depth = 8;
+			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10:
+			inst->profile = H264_PROFILE_HIGH10;
+			inst->bit_depth = 10;
+			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422:
+			inst->profile = H264_PROFILE_HIGH422;
+			inst->bit_depth = 10;
+			break;
+		case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE:
+			inst->profile = H264_PROFILE_HIGH444;
+			inst->bit_depth = 10;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+		switch (ctrl->val) {
+		case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
+			inst->level = 10;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
+			inst->level = 9;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
+			inst->level = 11;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
+			inst->level = 12;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
+			inst->level = 13;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
+			inst->level = 20;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
+			inst->level = 21;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
+			inst->level = 22;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
+			inst->level = 30;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
+			inst->level = 31;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
+			inst->level = 32;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
+			inst->level = 40;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
+			inst->level = 41;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
+			inst->level = 42;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
+			inst->level = 50;
+			break;
+		case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
+			inst->level = 51;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
+		inst->min_qp_i = ctrl->val;
+		inst->min_qp_p = ctrl->val;
+		inst->min_qp_b = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
+		inst->max_qp_i = ctrl->val;
+		inst->max_qp_p = ctrl->val;
+		inst->max_qp_b = ctrl->val;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct v4l2_ctrl_ops wave5_vpu_enc_ctrl_ops = {
+	.g_volatile_ctrl = wave5_vpu_enc_g_volatile_ctrl,
+	.s_ctrl = wave5_vpu_enc_s_ctrl,
+};
+
+static void wave5_set_default_enc_openparam(struct enc_open_param *open_param)
+{
+	unsigned int i;
+
+	open_param->stream_endian = VPU_STREAM_ENDIAN;
+	open_param->source_endian = VPU_SOURCE_ENDIAN;
+	open_param->line_buf_int_en = TRUE;
+
+	open_param->wave_param.gop_preset_idx = PRESET_IDX_IPP_SINGLE;
+	open_param->wave_param.decoding_refresh_type = 1;
+	open_param->wave_param.intra_qp = 30;
+	open_param->wave_param.tmvp_enable = 1;
+	open_param->wave_param.max_num_merge = 2;
+	open_param->wave_param.lf_cross_slice_boundary_enable = 1;
+	open_param->wave_param.skip_intra_trans = 1;
+	open_param->wave_param.sao_enable = 1;
+	open_param->wave_param.transform8x8_enable = 1;
+	open_param->wave_param.intra_nx_n_enable = 1;
+	for (i = 0; i < MAX_GOP_NUM; i++)
+		open_param->wave_param.fixed_bit_ratio[i] = 1;
+	open_param->wave_param.cu_level_rc_enable = 1;
+	open_param->wave_param.hvs_qp_enable = 1;
+	open_param->wave_param.hvs_qp_scale = 2;
+	open_param->wave_param.hvs_max_delta_qp = 10;
+	open_param->wave_param.gop_param.custom_gop_size = 1;
+	open_param->wave_param.initial_rc_qp = -1;
+	open_param->wave_param.nr_intra_weight_y = 7;
+	open_param->wave_param.nr_intra_weight_cb = 7;
+	open_param->wave_param.nr_intra_weight_cr = 7;
+	open_param->wave_param.nr_inter_weight_y = 4;
+	open_param->wave_param.nr_inter_weight_cb = 4;
+	open_param->wave_param.nr_inter_weight_cr = 4;
+	open_param->wave_param.strong_intra_smooth_enable = 1;
+	open_param->wave_param.bg_thr_diff = 8;
+	open_param->wave_param.bg_thr_mean_diff = 1;
+	open_param->wave_param.bg_lambda_qp = 32;
+	open_param->wave_param.bg_delta_qp = 3;
+	open_param->wave_param.rdo_skip = 1;
+	open_param->wave_param.intra_mb_refresh_arg = 1;
+	open_param->wave_param.entropy_coding_mode = 1;
+	open_param->wave_param.rc_weight_param = 16;
+	open_param->wave_param.rc_weight_buf = 128;
+	open_param->wave_param.lambda_scaling_enable = 1;
+}
+
+static int wave5_vpu_enc_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
+				     unsigned int *num_planes, unsigned int sizes[],
+			       struct device *alloc_devs[])
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	struct v4l2_pix_format_mplane inst_format =
+		(q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ? inst->src_fmt : inst->dst_fmt;
+	unsigned int i;
+	int ret;
+
+	dev_dbg(inst->dev->dev, "num_buffers : %d | num_planes : %d | type : %d\n", *num_buffers,
+		*num_planes, q->type);
+
+	if (*num_planes) {
+		if (inst_format.num_planes != *num_planes)
+			return -EINVAL;
+
+		for (i = 0; i < *num_planes; i++) {
+			if (sizes[i] < inst_format.plane_fmt[i].sizeimage)
+				return -EINVAL;
+		}
+	} else {
+		*num_planes = inst_format.num_planes;
+		for (i = 0; i < *num_planes; i++) {
+			sizes[i] = inst_format.plane_fmt[i].sizeimage;
+			dev_dbg(inst->dev->dev, "size[%d] : %d\n", i, sizes[i]);
+		}
+	}
+
+	dev_dbg(inst->dev->dev, "size : %d\n", sizes[0]);
+
+	if (inst->state == VPU_INST_STATE_NONE && q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		u32 non_linear_num = 0;
+		u32 fb_stride = 0;
+		u32 fb_height = 0;
+		struct enc_open_param open_param;
+		struct enc_initial_info initial_info;
+
+		memset(&open_param, 0, sizeof(struct enc_open_param));
+		wave5_set_default_enc_openparam(&open_param);
+
+		inst->std = wave5_to_vpu_wavestd(inst->dst_fmt.pixelformat);
+		if (inst->std == STD_UNKNOWN) {
+			dev_warn(inst->dev->dev, "unsupported pixelformat: %.4s\n",
+				 (char *)&inst->dst_fmt.pixelformat);
+			return -EINVAL;
+		}
+		open_param.pic_width = inst->dst_fmt.width;
+		open_param.pic_height = inst->dst_fmt.height;
+		open_param.frame_rate_info = inst->frame_rate;
+		open_param.vbv_buffer_size = inst->vbv_buf_size;
+		open_param.wave_param.profile = inst->profile;
+		open_param.wave_param.level = inst->level;
+		open_param.wave_param.internal_bit_depth = inst->bit_depth;
+		open_param.wave_param.min_qp_i = inst->min_qp_i;
+		open_param.wave_param.max_qp_i = inst->max_qp_i;
+		open_param.wave_param.min_qp_p = inst->min_qp_p;
+		open_param.wave_param.max_qp_p = inst->max_qp_p;
+		open_param.wave_param.min_qp_b = inst->min_qp_b;
+		open_param.wave_param.max_qp_b = inst->max_qp_b;
+
+		ret = wave5_vpu_enc_open(inst, &open_param);
+		if (ret) {
+			dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_open : %d\n", ret);
+			return ret;
+		}
+
+		inst->state = VPU_INST_STATE_OPEN;
+
+		if (inst->mirror_direction) {
+			wave5_vpu_enc_give_command(inst, ENABLE_MIRRORING, NULL);
+			wave5_vpu_enc_give_command(inst, SET_MIRROR_DIRECTION,
+						   &inst->mirror_direction);
+		}
+		if (inst->rot_angle) {
+			wave5_vpu_enc_give_command(inst, ENABLE_ROTATION, NULL);
+			wave5_vpu_enc_give_command(inst, SET_ROTATION_ANGLE, &inst->rot_angle);
+		}
+
+		ret = wave5_vpu_enc_issue_seq_init(inst);
+		if (ret) {
+			dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_issue_seq_init() : %d\n",
+				ret);
+			return ret;
+		}
+
+		if (wave5_vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT) < 0) {
+			dev_dbg(inst->dev->dev, "failed to call wave5_vpu_wait_interrupt()\n");
+			return -EINVAL;
+		}
+
+		ret = wave5_vpu_enc_complete_seq_init(inst, &initial_info);
+		if (ret)
+			return ret;
+
+		dev_dbg(inst->dev->dev, "min_frame_buffer : %d | min_source_buffer : %d\n",
+			initial_info.min_frame_buffer_count, initial_info.min_src_frame_count);
+		inst->state = VPU_INST_STATE_INIT_SEQ;
+		inst->min_src_frame_buf_count = initial_info.min_src_frame_count +
+						COMMAND_QUEUE_DEPTH;
+		inst->min_dst_frame_buf_count = initial_info.min_frame_buffer_count;
+		*num_buffers = inst->min_src_frame_buf_count;
+		dev_dbg(inst->dev->dev, "source buffer num : %d", *num_buffers);
+
+		non_linear_num = inst->min_dst_frame_buf_count;
+
+		fb_stride = inst->dst_fmt.width;
+		fb_height = ALIGN(inst->dst_fmt.height, 32);
+
+		for (i = 0; i < non_linear_num; i++) {
+			u32 luma_size = fb_stride * fb_height;
+			u32 chroma_size = ALIGN(fb_stride / 2, 16) * fb_height;
+
+			inst->frame_vbuf[i].size = luma_size + chroma_size;
+			if (wave5_vdi_allocate_dma_memory(inst->dev, &inst->frame_vbuf[i]) < 0)
+				dev_dbg(inst->dev->dev, "failed to allocate FBC buffer : %zu\n",
+					inst->frame_vbuf[i].size);
+
+			inst->frame_buf[i].buf_y = inst->frame_vbuf[i].daddr;
+			inst->frame_buf[i].buf_cb = (dma_addr_t)-1;
+			inst->frame_buf[i].buf_cr = (dma_addr_t)-1;
+			inst->frame_buf[i].update_fb_info = true;
+			inst->frame_buf[i].size = inst->frame_vbuf[i].size;
+		}
+
+		ret = wave5_vpu_enc_register_frame_buffer(inst, non_linear_num, fb_stride,
+							  fb_height, COMPRESSED_FRAME_MAP);
+		if (ret) {
+			dev_dbg(inst->dev->dev, "failed wave5_vpu_enc_register_frame_buffer %d\n",
+				ret);
+			return -EINVAL;
+		}
+
+		inst->state = VPU_INST_STATE_PIC_RUN;
+	}
+
+	if (inst->state == VPU_INST_STATE_INIT_SEQ &&
+	    q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		*num_buffers = inst->min_src_frame_buf_count;
+		dev_dbg(inst->dev->dev, "source buffer num : %d", *num_buffers);
+	}
+
+	return 0;
+}
+
+static void wave5_vpu_enc_buf_queue(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct vpu_instance *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vpu_buffer *vpu_buf = wave5_to_vpu_buf(vbuf);
+
+	dev_dbg(inst->dev->dev, "type %4d index %4d size[0] %4ld size[1] : %4ld | size[2] : %4ld\n",
+		vb->type, vb->index, vb2_plane_size(&vbuf->vb2_buf, 0),
+		vb2_plane_size(&vbuf->vb2_buf, 1), vb2_plane_size(&vbuf->vb2_buf, 2));
+
+	if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		vbuf->sequence = inst->queued_src_buf_num++;
+	else
+		vbuf->sequence = inst->queued_dst_buf_num++;
+
+	vpu_buf->consumed = FALSE;
+	v4l2_m2m_buf_queue(inst->v4l2_fh.m2m_ctx, vbuf);
+
+	if (vb2_start_streaming_called(vb->vb2_queue))
+		inst->ops->start_process(inst);
+}
+
+static void wave5_vpu_enc_stop_streaming(struct vb2_queue *q)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	struct vb2_v4l2_buffer *buf;
+	bool check_cmd = TRUE;
+
+	dev_dbg(inst->dev->dev, "type : %d\n", q->type);
+
+	if (wave5_vpu_both_queues_are_streaming(inst))
+		inst->state = VPU_INST_STATE_STOP;
+
+	while (check_cmd) {
+		struct queue_status_info q_status;
+		struct enc_output_info enc_output_info;
+		int ret;
+
+		wave5_vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status);
+
+		if (q_status.instance_queue_count + q_status.report_queue_count == 0)
+			break;
+
+		if (wave5_vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT) < 0)
+			break;
+
+		ret = wave5_vpu_enc_get_output_info(inst, &enc_output_info);
+	}
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx))) {
+			dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n",
+				buf->vb2_buf.type, buf->vb2_buf.index);
+			v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+		}
+	} else {
+		while ((buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx))) {
+			dev_dbg(inst->dev->dev, "buf type : %4d | index : %4d\n",
+				buf->vb2_buf.type, buf->vb2_buf.index);
+			vb2_set_plane_payload(&buf->vb2_buf, 0, 0);
+			v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+		}
+	}
+}
+
+static const struct vb2_ops wave5_vpu_enc_vb2_ops = {
+	.queue_setup = wave5_vpu_enc_queue_setup,
+	.wait_prepare = vb2_ops_wait_prepare,
+	.wait_finish = vb2_ops_wait_finish,
+	.buf_queue = wave5_vpu_enc_buf_queue,
+	.stop_streaming = wave5_vpu_enc_stop_streaming,
+};
+
+static void wave5_set_default_format(struct v4l2_pix_format_mplane *src_fmt,
+				     struct v4l2_pix_format_mplane *dst_fmt)
+{
+	unsigned int src_pix_fmt = wave5_vpu_enc_fmt_list[VPU_FMT_TYPE_RAW][0].v4l2_pix_fmt;
+	const struct v4l2_format_info *src_fmt_info = v4l2_format_info(src_pix_fmt);
+
+	src_fmt->pixelformat = src_pix_fmt;
+	src_fmt->field = V4L2_FIELD_NONE;
+	src_fmt->flags = 0;
+	src_fmt->num_planes = src_fmt_info->mem_planes;
+	wave5_update_pix_fmt(src_fmt, 416, 240);
+
+	dst_fmt->pixelformat = wave5_vpu_enc_fmt_list[VPU_FMT_TYPE_CODEC][0].v4l2_pix_fmt;
+	dst_fmt->field = V4L2_FIELD_NONE;
+	dst_fmt->flags = 0;
+	dst_fmt->num_planes = 1;
+	wave5_update_pix_fmt(dst_fmt, 416, 240);
+}
+
+static int wave5_vpu_enc_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+{
+	struct vpu_instance *inst = priv;
+	int ret;
+
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->ops = &wave5_vpu_enc_vb2_ops;
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->buf_struct_size = sizeof(struct vpu_buffer);
+	src_vq->allow_zero_bytesused = 1;
+	src_vq->min_buffers_needed = 0;
+	src_vq->drv_priv = inst;
+	src_vq->lock = &inst->dev->dev_lock;
+	src_vq->dev = inst->dev->v4l2_dev.dev;
+	ret = vb2_queue_init(src_vq);
+	if (ret)
+		return ret;
+
+	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->ops = &wave5_vpu_enc_vb2_ops;
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->buf_struct_size = sizeof(struct vpu_buffer);
+	dst_vq->allow_zero_bytesused = 1;
+	dst_vq->min_buffers_needed = 0;
+	dst_vq->drv_priv = inst;
+	dst_vq->lock = &inst->dev->dev_lock;
+	dst_vq->dev = inst->dev->v4l2_dev.dev;
+	ret = vb2_queue_init(dst_vq);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static const struct vpu_instance_ops wave5_vpu_enc_inst_ops = {
+	.start_process = wave5_vpu_enc_start_encode,
+	.stop_process = wave5_vpu_enc_stop_encode,
+	.finish_process = wave5_vpu_enc_finish_encode,
+};
+
+static int wave5_vpu_open_enc(struct file *filp)
+{
+	struct video_device *vdev = video_devdata(filp);
+	struct vpu_device *dev = video_drvdata(filp);
+	struct vpu_instance *inst = NULL;
+	struct v4l2_ctrl_handler *v4l2_ctrl_hdl;
+	struct v4l2_ctrl *ctrl;
+	int ret;
+
+	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+	if (!inst)
+		return -ENOMEM;
+	v4l2_ctrl_hdl = &inst->v4l2_ctrl_hdl;
+
+	inst->dev = dev;
+	inst->type = VPU_INST_TYPE_ENC;
+	inst->ops = &wave5_vpu_enc_inst_ops;
+
+	v4l2_fh_init(&inst->v4l2_fh, vdev);
+	filp->private_data = &inst->v4l2_fh;
+	v4l2_fh_add(&inst->v4l2_fh);
+
+	inst->v4l2_fh.m2m_ctx =
+		v4l2_m2m_ctx_init(dev->v4l2_m2m_dev, inst, wave5_vpu_enc_queue_init);
+	if (IS_ERR(inst->v4l2_fh.m2m_ctx)) {
+		ret = PTR_ERR(inst->v4l2_fh.m2m_ctx);
+		goto free_inst;
+	}
+
+	v4l2_ctrl_handler_init(v4l2_ctrl_hdl, 30);
+	v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+			       V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
+			       V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10, 0,
+			       V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN);
+	v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+			       V4L2_CID_MPEG_VIDEO_HEVC_LEVEL, V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1, 0,
+			       V4L2_MPEG_VIDEO_HEVC_LEVEL_1);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
+			  0, 63, 1, 8);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP,
+			  0, 63, 1, 51);
+	v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+			       V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+			       V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE, 0,
+			       V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE);
+	v4l2_ctrl_new_std_menu(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+			       V4L2_CID_MPEG_VIDEO_H264_LEVEL, V4L2_MPEG_VIDEO_H264_LEVEL_5_1, 0,
+			       V4L2_MPEG_VIDEO_H264_LEVEL_1_0);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MIN_QP,
+			  0, 63, 1, 8);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
+			  0, 63, 1, 51);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_VBV_SIZE, 10,
+			  3000, 1, 3000);
+	ctrl = v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+				 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 1);
+	if (ctrl)
+		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+	if (v4l2_ctrl_hdl->error) {
+		ret = -ENODEV;
+		goto free_inst;
+	}
+
+	inst->v4l2_fh.ctrl_handler = v4l2_ctrl_hdl;
+	v4l2_ctrl_handler_setup(v4l2_ctrl_hdl);
+
+	wave5_set_default_format(&inst->src_fmt, &inst->dst_fmt);
+	inst->colorspace = V4L2_COLORSPACE_REC709;
+	inst->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+	inst->hsv_enc = 0;
+	inst->quantization = V4L2_QUANTIZATION_DEFAULT;
+	inst->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+	inst->frame_rate = 30;
+
+	return 0;
+
+free_inst:
+	kfree(inst);
+	return ret;
+}
+
+static int wave5_vpu_enc_release(struct file *filp)
+{
+	struct vpu_instance *inst = wave5_to_vpu_inst(filp->private_data);
+	int retry_count = 10;
+	u32 fail_res;
+	int i, ret;
+
+	v4l2_m2m_ctx_release(inst->v4l2_fh.m2m_ctx);
+	if (inst->state != VPU_INST_STATE_NONE) {
+		do {
+			fail_res = 0;
+			ret = wave5_vpu_enc_close(inst, &fail_res);
+			if (ret && ret != -EIO)
+				break;
+			if (fail_res != WAVE5_SYSERR_VPU_STILL_RUNNING)
+				break;
+			if (!wave5_vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT))
+				break;
+		} while (--retry_count);
+
+		if (fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING)
+			dev_warn(inst->dev->dev, "failed wave5_vpu_enc_close()\n");
+		if (ret && ret != -EIO)
+			dev_warn(inst->dev->dev, "close fail ret=%d\n", ret);
+	}
+
+	for (i = 0; i < inst->min_dst_frame_buf_count; i++)
+		wave5_vdi_free_dma_memory(inst->dev, &inst->frame_vbuf[i]);
+
+	v4l2_ctrl_handler_free(&inst->v4l2_ctrl_hdl);
+	v4l2_fh_del(&inst->v4l2_fh);
+	v4l2_fh_exit(&inst->v4l2_fh);
+	kfree(inst);
+
+	return 0;
+}
+
+static const struct v4l2_file_operations wave5_vpu_enc_fops = {
+	.owner = THIS_MODULE,
+	.open = wave5_vpu_open_enc,
+	.release = wave5_vpu_enc_release,
+	.unlocked_ioctl = video_ioctl2,
+	.poll = v4l2_m2m_fop_poll,
+	.mmap = v4l2_m2m_fop_mmap,
+};
+
+int wave5_vpu_enc_register_device(struct vpu_device *dev)
+{
+	struct video_device *vdev_enc;
+	int ret;
+
+	vdev_enc = devm_kzalloc(dev->v4l2_dev.dev, sizeof(*vdev_enc), GFP_KERNEL);
+	if (!vdev_enc)
+		return -ENOMEM;
+
+	dev->video_dev_enc = vdev_enc;
+
+	strscpy(vdev_enc->name, VPU_ENC_DEV_NAME, sizeof(vdev_enc->name));
+	vdev_enc->fops = &wave5_vpu_enc_fops;
+	vdev_enc->ioctl_ops = &wave5_vpu_enc_ioctl_ops;
+	vdev_enc->release = video_device_release_empty;
+	vdev_enc->v4l2_dev = &dev->v4l2_dev;
+	vdev_enc->vfl_dir = VFL_DIR_M2M;
+	vdev_enc->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
+	vdev_enc->lock = &dev->dev_lock;
+
+	ret = video_register_device(vdev_enc, VFL_TYPE_VIDEO, -1);
+	if (ret)
+		return ret;
+
+	video_set_drvdata(vdev_enc, dev);
+
+	return 0;
+}
+
+void wave5_vpu_enc_unregister_device(struct vpu_device *dev)
+{
+	video_unregister_device(dev->video_dev_enc);
+}
+
diff --git a/drivers/staging/media/wave5/wave5-vpu.c b/drivers/staging/media/wave5/wave5-vpu.c
new file mode 100644
index 000000000000..c8a35d41c3f6
--- /dev/null
+++ b/drivers/staging/media/wave5/wave5-vpu.c
@@ -0,0 +1,381 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Wave5 series multi-standard codec IP - platform driver
+ *
+ * Copyright (C) 2021 CHIPS&MEDIA INC
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/of_address.h>
+#include <linux/firmware.h>
+#include <linux/interrupt.h>
+#include "wave5-vpu.h"
+#include "wave5-regdefine.h"
+#include "wave5-vpuconfig.h"
+#include "wave5.h"
+
+#define VPU_PLATFORM_DEVICE_NAME "vdec"
+#define VPU_CLK_NAME "vcodec"
+
+#define WAVE5_IS_ENC BIT(0)
+#define WAVE5_IS_DEC BIT(1)
+
+struct wave5_match_data {
+	int flags;
+	const char *fw_name;
+};
+
+int wave5_vpu_wait_interrupt(struct vpu_instance *inst, unsigned int timeout)
+{
+	int ret;
+
+	ret = wait_for_completion_timeout(&inst->dev->irq_done,
+					  msecs_to_jiffies(timeout));
+	if (!ret)
+		return -ETIMEDOUT;
+
+	reinit_completion(&inst->dev->irq_done);
+
+	return 0;
+}
+
+static irqreturn_t wave5_vpu_irq(int irq, void *dev_id)
+{
+	struct vpu_device *dev = dev_id;
+	unsigned int irq_status;
+
+	if (wave5_vdi_readl(dev, W5_VPU_VPU_INT_STS)) {
+		irq_status = wave5_vdi_readl(dev, W5_VPU_VINT_REASON);
+		wave5_vdi_write_register(dev, W5_VPU_VINT_REASON_CLR, irq_status);
+		wave5_vdi_write_register(dev, W5_VPU_VINT_CLEAR, 0x1);
+
+		kfifo_in(&dev->irq_status, &irq_status, sizeof(int));
+
+		return IRQ_WAKE_THREAD;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t wave5_vpu_irq_thread(int irq, void *dev_id)
+{
+	struct vpu_device *dev = dev_id;
+	struct vpu_instance *inst;
+	unsigned int irq_status, val;
+	int ret;
+
+	while (kfifo_len(&dev->irq_status)) {
+		inst = v4l2_m2m_get_curr_priv(dev->v4l2_m2m_dev);
+		if (inst) {
+			inst->ops->finish_process(inst);
+		} else {
+			ret = kfifo_out(&dev->irq_status, &irq_status, sizeof(int));
+			if (!ret)
+				break;
+			dev_dbg(dev->dev, "irq_status: 0x%x\n", irq_status);
+			val = wave5_vdi_readl(dev, W5_VPU_VINT_REASON_USR);
+			val &= ~irq_status;
+			wave5_vdi_write_register(dev, W5_VPU_VINT_REASON_USR, val);
+			complete(&dev->irq_done);
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void wave5_vpu_device_run(void *priv)
+{
+	struct vpu_instance *inst = priv;
+
+	dev_dbg(inst->dev->dev, "inst type=%d state=%d\n",
+		inst->type, inst->state);
+
+	inst->ops->start_process(inst);
+}
+
+static int wave5_vpu_job_ready(void *priv)
+{
+	struct vpu_instance *inst = priv;
+
+	dev_dbg(inst->dev->dev, "inst type=%d state=%d\n",
+		inst->type, inst->state);
+
+	if (inst->state == VPU_INST_STATE_STOP)
+		return 0;
+
+	return 1;
+}
+
+static void wave5_vpu_job_abort(void *priv)
+{
+	struct vpu_instance *inst = priv;
+
+	dev_dbg(inst->dev->dev, "inst type=%d state=%d\n",
+		inst->type, inst->state);
+
+	inst->ops->stop_process(inst);
+}
+
+static const struct v4l2_m2m_ops wave5_vpu_m2m_ops = {
+	.device_run = wave5_vpu_device_run,
+	.job_ready = wave5_vpu_job_ready,
+	.job_abort = wave5_vpu_job_abort,
+};
+
+static int wave5_vpu_load_firmware(struct device *dev, const char *fw_name)
+{
+	const struct firmware *fw;
+	int ret;
+	u32 version;
+	u32 revision;
+	u32 product_id;
+
+	ret = request_firmware(&fw, fw_name, dev);
+	if (ret) {
+		dev_err(dev, "request_firmware fail\n");
+		return ret;
+	}
+
+	ret = wave5_vpu_init_with_bitcode(dev, (u8 *)fw->data, fw->size);
+	if (ret) {
+		dev_err(dev, "vpu_init_with_bitcode fail\n");
+		goto release_fw;
+	}
+	release_firmware(fw);
+
+	ret = wave5_vpu_get_version_info(dev, &version, &revision, &product_id);
+	if (ret) {
+		dev_err(dev, "vpu_get_version_info fail\n");
+		goto release_fw;
+	}
+
+	dev_err(dev, "enum product_id : %08x\n", product_id);
+	dev_err(dev, "fw_version : %08x(r%d)\n", version, revision);
+
+	return 0;
+
+release_fw:
+	release_firmware(fw);
+	return ret;
+}
+
+static int wave5_vpu_probe(struct platform_device *pdev)
+{
+	int ret;
+	struct vpu_device *dev;
+	struct device_node *np;
+	const struct wave5_match_data *match_data;
+	struct resource *res;
+	struct resource sram;
+
+	match_data = device_get_match_data(&pdev->dev);
+	if (!match_data) {
+		dev_err(&pdev->dev, "missing data\n");
+		return -EINVAL;
+	}
+
+	/* physical addresses limited to 32 bits */
+	dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+	dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	dev->vdb_register = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(dev->vdb_register))
+		return PTR_ERR(dev->vdb_register);
+	ida_init(&dev->inst_ida);
+
+	mutex_init(&dev->dev_lock);
+	mutex_init(&dev->hw_lock);
+	init_completion(&dev->irq_done);
+	dev_set_drvdata(&pdev->dev, dev);
+	dev->dev = &pdev->dev;
+
+	ret = devm_clk_bulk_get_all(&pdev->dev, &dev->clks);
+
+	/* continue without clock, assume externally managed */
+	if (ret < 0) {
+		dev_warn(&pdev->dev, "unable to get clocks: %d\n", ret);
+		ret = 0;
+	}
+	dev->num_clks = ret;
+
+	ret = clk_bulk_prepare_enable(dev->num_clks, dev->clks);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to enable clocks: %d\n", ret);
+		return ret;
+	}
+
+	np = of_parse_phandle(pdev->dev.of_node, "sram", 0);
+	if (!np) {
+		dev_err(&pdev->dev, "sram node is not found.\n");
+		return -ENODEV;
+	}
+
+	ret = of_address_to_resource(np, 0, &sram);
+	if (ret) {
+		dev_err(&pdev->dev, "sram resource not available.\n");
+		goto err_put_node;
+	}
+	dev->sram_buf.daddr = sram.start;
+	dev->sram_buf.size = resource_size(&sram);
+
+	dev_err(&pdev->dev, "sram daddr: 0x%llx, size: 0x%lx\n",
+		dev->sram_buf.daddr, dev->sram_buf.size);
+
+	dev->product_code = wave5_vdi_readl(dev, VPU_PRODUCT_CODE_REGISTER);
+	ret = wave5_vdi_init(&pdev->dev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "failed to init vdi: %d\n", ret);
+		goto err_clk_dis;
+	}
+	dev->product = wave_vpu_get_product_id(dev);
+
+	ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
+	if (ret) {
+		dev_err(&pdev->dev, "v4l2_device_register fail: %d\n", ret);
+		goto err_vdi_release;
+	}
+
+	dev->v4l2_m2m_dev = v4l2_m2m_init(&wave5_vpu_m2m_ops);
+	if (IS_ERR(dev->v4l2_m2m_dev)) {
+		ret = PTR_ERR(dev->v4l2_m2m_dev);
+		dev_err(&pdev->dev, "v4l2_m2m_init fail: %d\n", ret);
+		goto err_v4l2_unregister;
+	}
+
+	if (match_data->flags & WAVE5_IS_DEC) {
+		ret = wave5_vpu_dec_register_device(dev);
+		if (ret) {
+			dev_err(&pdev->dev, "wave5_vpu_dec_register_device fail: %d\n", ret);
+			goto err_m2m_release;
+		}
+	}
+	if (match_data->flags & WAVE5_IS_ENC) {
+		ret = wave5_vpu_enc_register_device(dev);
+		if (ret) {
+			dev_err(&pdev->dev, "wave5_vpu_enc_register_device fail: %d\n", ret);
+			goto err_dec_unreg;
+		}
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "failed to get irq resource\n");
+		ret = -ENXIO;
+		goto err_enc_unreg;
+	}
+	dev->irq = res->start;
+
+	if (kfifo_alloc(&dev->irq_status, 16 * sizeof(int), GFP_KERNEL)) {
+		dev_err(&pdev->dev, "failed to allocate fifo\n");
+		goto err_enc_unreg;
+	}
+
+	ret = devm_request_threaded_irq(&pdev->dev, dev->irq, wave5_vpu_irq,
+					wave5_vpu_irq_thread, 0, "vpu_irq", dev);
+	if (ret) {
+		dev_err(&pdev->dev, "fail to register interrupt handler: %d\n", ret);
+		goto err_kfifo_free;
+	}
+
+	ret = wave5_vpu_load_firmware(&pdev->dev, match_data->fw_name);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to wave5_vpu_load_firmware: %d\n", ret);
+		goto err_kfifo_free;
+	}
+
+	dev_dbg(&pdev->dev, "Added wave driver with caps %s %s and product code 0x%x\n",
+		match_data->flags & WAVE5_IS_ENC ? "'ENCODE'" : "",
+		match_data->flags & WAVE5_IS_DEC ? "'DECODE'" : "",
+		dev->product_code);
+	return 0;
+
+err_kfifo_free:
+	kfifo_free(&dev->irq_status);
+err_enc_unreg:
+	if (match_data->flags & WAVE5_IS_ENC)
+		wave5_vpu_enc_unregister_device(dev);
+err_dec_unreg:
+	if (match_data->flags & WAVE5_IS_DEC)
+		wave5_vpu_dec_unregister_device(dev);
+err_m2m_release:
+	v4l2_m2m_release(dev->v4l2_m2m_dev);
+err_v4l2_unregister:
+	v4l2_device_unregister(&dev->v4l2_dev);
+err_vdi_release:
+	wave5_vdi_release(&pdev->dev);
+err_clk_dis:
+	clk_bulk_disable_unprepare(dev->num_clks, dev->clks);
+err_put_node:
+	of_node_put(np);
+
+	return ret;
+}
+
+static int wave5_vpu_remove(struct platform_device *pdev)
+{
+	struct vpu_device *dev = dev_get_drvdata(&pdev->dev);
+
+	clk_bulk_disable_unprepare(dev->num_clks, dev->clks);
+	wave5_vpu_enc_unregister_device(dev);
+	wave5_vpu_dec_unregister_device(dev);
+	v4l2_m2m_release(dev->v4l2_m2m_dev);
+	v4l2_device_unregister(&dev->v4l2_dev);
+	kfifo_free(&dev->irq_status);
+	wave5_vdi_release(&pdev->dev);
+	ida_destroy(&dev->inst_ida);
+
+	return 0;
+}
+
+static const struct wave5_match_data wave511_data = {
+	.flags = WAVE5_IS_DEC,
+	.fw_name = "wave511_dec_fw.bin",
+};
+
+static const struct wave5_match_data wave521_data = {
+	.flags = WAVE5_IS_ENC,
+	.fw_name = "wave521_enc_fw.bin",
+};
+
+static const struct wave5_match_data wave521c_data = {
+	.flags = WAVE5_IS_ENC | WAVE5_IS_DEC,
+	.fw_name = "wave521c_codec_fw.bin",
+};
+
+static const struct wave5_match_data default_match_data = {
+	.flags = WAVE5_IS_ENC | WAVE5_IS_DEC,
+	.fw_name = "chagall.bin",
+};
+
+static const struct of_device_id wave5_dt_ids[] = {
+	{ .compatible = "cnm,cm511-vpu", .data = &wave511_data },
+	{ .compatible = "cnm,cm517-vpu", .data = &default_match_data },
+	{ .compatible = "cnm,cm521-vpu", .data = &wave521_data },
+	{ .compatible = "cnm,cm521c-vpu", .data = &wave521c_data },
+	{ .compatible = "cnm,cm521c-dual-vpu", .data = &wave521c_data },
+	{ .compatible = "cnm,cm521e1-vpu", .data = &default_match_data },
+	{ .compatible = "cnm,cm537-vpu", .data = &default_match_data },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, wave5_dt_ids);
+
+static struct platform_driver wave5_vpu_driver = {
+	.driver = {
+		.name = VPU_PLATFORM_DEVICE_NAME,
+		.of_match_table = of_match_ptr(wave5_dt_ids),
+		},
+	.probe = wave5_vpu_probe,
+	.remove = wave5_vpu_remove,
+	//.suspend = vpu_suspend,
+	//.resume = vpu_resume,
+};
+
+module_platform_driver(wave5_vpu_driver);
+MODULE_DESCRIPTION("chips&media VPU V4L2 driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/staging/media/wave5/wave5-vpu.h b/drivers/staging/media/wave5/wave5-vpu.h
new file mode 100644
index 000000000000..1e0dd2e8c722
--- /dev/null
+++ b/drivers/staging/media/wave5/wave5-vpu.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * Wave5 series multi-standard codec IP - basic types
+ *
+ * Copyright (C) 2021 CHIPS&MEDIA INC
+ */
+#ifndef __VPU_DRV_H__
+#define __VPU_DRV_H__
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-fh.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/videobuf2-vmalloc.h>
+#include "wave5-vpuconfig.h"
+#include "wave5-vpuapi.h"
+
+#define VPU_BUF_SYNC_TO_DEVICE 0
+#define VPU_BUF_SYNC_FROM_DEVICE 1
+
+struct vpu_buffer {
+	struct v4l2_m2m_buffer v4l2_m2m_buf;
+	bool                   consumed;
+};
+
+enum vpu_fmt_type {
+	VPU_FMT_TYPE_CODEC = 0,
+	VPU_FMT_TYPE_RAW   = 1
+};
+
+struct vpu_format {
+	unsigned int v4l2_pix_fmt;
+	unsigned int max_width;
+	unsigned int min_width;
+	unsigned int max_height;
+	unsigned int min_height;
+};
+
+static inline struct vpu_instance *wave5_to_vpu_inst(struct v4l2_fh *vfh)
+{
+	return container_of(vfh, struct vpu_instance, v4l2_fh);
+}
+
+static inline struct vpu_instance *wave5_ctrl_to_vpu_inst(struct v4l2_ctrl *vctrl)
+{
+	return container_of(vctrl->handler, struct vpu_instance, v4l2_ctrl_hdl);
+}
+
+static inline struct vpu_buffer *wave5_to_vpu_buf(struct vb2_v4l2_buffer *vbuf)
+{
+	return container_of(vbuf, struct vpu_buffer, v4l2_m2m_buf.vb);
+}
+
+int wave5_vpu_wait_interrupt(struct vpu_instance *inst, unsigned int timeout);
+
+int  wave5_vpu_dec_register_device(struct vpu_device *dev);
+void wave5_vpu_dec_unregister_device(struct vpu_device *dev);
+int  wave5_vpu_enc_register_device(struct vpu_device *dev);
+void wave5_vpu_enc_unregister_device(struct vpu_device *dev);
+static inline bool wave5_vpu_both_queues_are_streaming(struct vpu_instance *inst)
+{
+	struct vb2_queue *vq_cap =
+		v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+	struct vb2_queue *vq_out =
+		v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+
+	return vb2_is_streaming(vq_cap) && vb2_is_streaming(vq_out);
+}
+
+#endif
+
-- 
2.30.2


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