[PATCH 3/6] staging: media: wave5: Add the v4l2 layer

[Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx>
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
---
 drivers/staging/media/Kconfig              |    2 +
 drivers/staging/media/Makefile             |    1 +
 drivers/staging/media/wave5/Kconfig        |   10 +
 drivers/staging/media/wave5/Makefile       |   10 +
 drivers/staging/media/wave5/v4l2/vpu.c     |  386 +++++
 drivers/staging/media/wave5/v4l2/vpu.h     |   76 +
 drivers/staging/media/wave5/v4l2/vpu_dec.c | 1393 +++++++++++++++++
 drivers/staging/media/wave5/v4l2/vpu_dec.h |   20 +
 drivers/staging/media/wave5/v4l2/vpu_enc.c | 1580 ++++++++++++++++++++
 drivers/staging/media/wave5/v4l2/vpu_enc.h |   18 +
 10 files changed, 3496 insertions(+)
 create mode 100644 drivers/staging/media/wave5/Kconfig
 create mode 100644 drivers/staging/media/wave5/Makefile
 create mode 100644 drivers/staging/media/wave5/v4l2/vpu.c
 create mode 100644 drivers/staging/media/wave5/v4l2/vpu.h
 create mode 100644 drivers/staging/media/wave5/v4l2/vpu_dec.c
 create mode 100644 drivers/staging/media/wave5/v4l2/vpu_dec.h
 create mode 100644 drivers/staging/media/wave5/v4l2/vpu_enc.c
 create mode 100644 drivers/staging/media/wave5/v4l2/vpu_enc.h

diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index e3aaae920847..25564dc46ca7 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 5b5afc5b03a0..4cc61f24f5fa 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-$(CONFIG_VIDEO_WAVE_VPU)	+= wave5/
diff --git a/drivers/staging/media/wave5/Kconfig b/drivers/staging/media/wave5/Kconfig
new file mode 100644
index 000000000000..ac37fc33fd08
--- /dev/null
+++ b/drivers/staging/media/wave5/Kconfig
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+config VIDEO_WAVE_VPU
+        tristate "Chips&Media Wave Codec Driver"
+        depends on VIDEO_DEV && VIDEO_V4L2 && OF
+        select VIDEOBUF2_DMA_CONTIG
+        select VIDEOBUF2_VMALLOC
+        select V4L2_MEM2MEM_DEV
+        select GENERIC_ALLOCATOR
+        help
+          Chips&Media codec driver
diff --git a/drivers/staging/media/wave5/Makefile b/drivers/staging/media/wave5/Makefile
new file mode 100644
index 000000000000..89d113a56bd5
--- /dev/null
+++ b/drivers/staging/media/wave5/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_VIDEO_WAVE_VPU) += wave5.o
+wave5-objs +=  	vpuapi/wave/wave5.o \
+		vpuapi/vpuapi.o \
+		vdi/vdi.o \
+		v4l2/vpu_dec.o \
+		v4l2/vpu.o \
+		v4l2/vpu_enc.o
+
diff --git a/drivers/staging/media/wave5/v4l2/vpu.c b/drivers/staging/media/wave5/v4l2/vpu.c
new file mode 100644
index 000000000000..e17d31d565ff
--- /dev/null
+++ b/drivers/staging/media/wave5/v4l2/vpu.c
@@ -0,0 +1,386 @@
+// 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/firmware.h>
+#include <linux/interrupt.h>
+#include "vpu.h"
+#include "vpu_dec.h"
+#include "vpu_enc.h"
+#include "../vpuapi/wave/wave5_regdefine.h"
+#include "../vpuapi/vpuconfig.h"
+#include "../vpuapi/wave/wave5.h"
+
+#define VPU_PLATFORM_DEVICE_NAME    "vdec"
+#define VPU_CLK_NAME                "vcodec"
+
+/* if the platform driver knows this driver */
+/* the definition of VPU_REG_BASE_ADDR and VPU_REG_SIZE are not meaningful */
+#define VPU_REG_BASE_ADDR    0x75000000
+#define VPU_REG_SIZE         0x4000
+
+struct wave5_match_data {
+	bool decoder;
+	bool encoder;
+	const char *fw_name;
+};
+
+const struct wave5_match_data default_match_data = {
+	.decoder = true,
+	.encoder = true,
+	.fw_name = "chagall.bin",
+};
+
+unsigned int vpu_debug = 1;
+module_param(vpu_debug, uint, 0644);
+
+int 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 vpu_irq(int irq, void *dev_id)
+{
+	struct vpu_device   *dev = (struct vpu_device *)dev_id;
+	unsigned int irq_status;
+
+	if (vdi_read_register(dev, W5_VPU_VPU_INT_STS)) {
+		irq_status = vdi_read_register(dev, W5_VPU_VINT_REASON);
+		vdi_write_register(dev, W5_VPU_VINT_REASON_CLR, irq_status);
+		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 vpu_irq_thread(int irq, void *dev_id)
+{
+	struct vpu_device   *dev = (struct vpu_device *)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;
+			DPRINTK(dev, 1, "irq_status: 0x%x\n", irq_status);
+			val = vdi_read_register(dev, W5_VPU_VINT_REASON_USR);
+			val &= ~irq_status;
+			vdi_write_register(dev, W5_VPU_VINT_REASON_USR, val);
+			complete(&dev->irq_done);
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void vpu_device_run(void *priv)
+{
+	struct vpu_instance *inst = priv;
+
+	DPRINTK(inst->dev, 1, "inst type=%d state=%d\n",
+		inst->type, inst->state);
+
+	inst->ops->start_process(inst);
+}
+
+static int vpu_job_ready(void *priv)
+{
+	struct vpu_instance *inst = priv;
+
+	DPRINTK(inst->dev, 1, "inst type=%d state=%d\n",
+		inst->type, inst->state);
+
+	if (inst->state == VPU_INST_STATE_STOP)
+		return 0;
+
+	return 1;
+}
+
+static void vpu_job_abort(void *priv)
+{
+	struct vpu_instance *inst = priv;
+
+	DPRINTK(inst->dev, 1, "inst type=%d state=%d\n",
+		inst->type, inst->state);
+
+	inst->ops->stop_process(inst);
+}
+
+static const struct v4l2_m2m_ops vpu_m2m_ops = {
+	.device_run = vpu_device_run,
+	.job_ready  = vpu_job_ready,
+	.job_abort  = vpu_job_abort,
+};
+
+static int vpu_load_firmware(struct device *dev, const char *fw_name)
+{
+	const struct firmware *fw;
+	enum ret_code ret = RETCODE_SUCCESS;
+	u32 version;
+	u32 revision;
+	u32 product_id;
+
+	if (request_firmware(&fw, fw_name, dev)) {
+		pr_err("request_firmware fail\n");
+		return -1;
+	}
+
+	ret = vpu_init_with_bitcode(dev, (unsigned short *)fw->data, fw->size / 2);
+	if (ret != RETCODE_SUCCESS) {
+		pr_err("vpu_init_with_bitcode fail\n");
+		return -1;
+	}
+	release_firmware(fw);
+
+	ret = vpu_get_version_info(dev, &version, &revision, &product_id);
+	if (ret != RETCODE_SUCCESS) {
+		pr_err("vpu_get_version_info fail\n");
+		return -1;
+	}
+
+	pr_err("enum product_id : %08x\n", product_id);
+	pr_err("fw_version : %08x(r%d)\n", version, revision);
+
+	return 0;
+}
+
+static int vpu_probe(struct platform_device *pdev)
+{
+	int err = 0;
+	struct vpu_device *dev;
+	struct resource *res = NULL;
+	const struct wave5_match_data *match_data;
+
+	match_data = device_get_match_data(&pdev->dev);
+	if (!match_data)
+		match_data = &default_match_data;
+
+	/* 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));
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "unable to get mem resource\n");
+		return -EINVAL;
+	}
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	dev->vdb_register.daddr = res->start;
+	dev->vdb_register.size  = resource_size(res);
+	dev->vdb_register.vaddr = devm_ioremap(&pdev->dev, dev->vdb_register.daddr, dev->vdb_register.size);
+	ida_init(&dev->inst_ida);
+
+	dev_dbg(&pdev->dev, "REGISTER BASE daddr=%pad vaddr=%p size=%zu\n",
+		&dev->vdb_register.daddr, dev->vdb_register.vaddr, dev->vdb_register.size);
+
+	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;
+	dev->product_code = vdi_read_register(dev, VPU_PRODUCT_CODE_REGISTER);
+	err = vdi_init(&pdev->dev);
+	if (err < 0) {
+		dev_err(&pdev->dev, "failed to init vdi: %d\n", err);
+		return err;
+	}
+	dev->product = wave_vpu_get_product_id(dev);
+
+	err = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
+	if (err) {
+		dev_err(&pdev->dev, "v4l2_device_register fail: %d\n", err);
+		goto err_v4l2_dev_reg;
+	}
+
+	dev->v4l2_m2m_dev = v4l2_m2m_init(&vpu_m2m_ops);
+	if (IS_ERR(dev->v4l2_m2m_dev)) {
+		dev_err(&pdev->dev, "v4l2_m2m_init fail: %ld\n", PTR_ERR(dev->v4l2_m2m_dev));
+		err = PTR_ERR(dev->v4l2_m2m_dev);
+		goto err_m2m_init;
+	}
+
+	if (match_data->decoder) {
+		err = vpu_dec_register_device(dev);
+		if (err) {
+			dev_err(&pdev->dev, "vpu_dec_register_device fail: %d\n", err);
+			goto err_dec_reg;
+		}
+	}
+	if (match_data->encoder) {
+		err = vpu_enc_register_device(dev);
+		if (err) {
+			dev_err(&pdev->dev, "vpu_enc_register_device fail: %d\n", err);
+			goto err_enc_reg;
+		}
+	}
+
+	dev->clk = devm_clk_get(&pdev->dev, VPU_CLK_NAME);
+	if (IS_ERR(dev->clk)) {
+		dev_warn(&pdev->dev, "unable to get clock: %ld\n", PTR_ERR(dev->clk));
+		/* continue wihtout clock, assume externally managed */
+		dev->clk = NULL;
+	}
+
+	err = clk_prepare_enable(dev->clk);
+	if (err) {
+		dev_err(&pdev->dev, "failed to enable clock: %d\n", err);
+		goto err_clk_prep_en;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "failed to get irq resource\n");
+		err = -ENXIO;
+		goto err_get_irq;
+	}
+	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_kfifo_alloc;
+	}
+
+	err = devm_request_threaded_irq(&pdev->dev, dev->irq, vpu_irq, vpu_irq_thread, 0, "vpu_irq", dev);
+	if (err) {
+		dev_err(&pdev->dev, "fail to register interrupt handler: %d\n", err);
+		goto err_request_irq;
+	}
+
+	err = vpu_load_firmware(&pdev->dev, match_data->fw_name);
+	if (err) {
+		dev_err(&pdev->dev, "failed to vpu_load_firmware: %d\n", err);
+		goto err_load_fw;
+	}
+
+	return 0;
+
+err_load_fw:
+err_request_irq:
+	kfifo_free(&dev->irq_status);
+err_kfifo_alloc:
+err_get_irq:
+	clk_disable_unprepare(dev->clk);
+err_clk_prep_en:
+	if (match_data->encoder)
+		vpu_enc_unregister_device(dev);
+err_enc_reg:
+	if (match_data->decoder)
+		vpu_dec_unregister_device(dev);
+err_dec_reg:
+	v4l2_m2m_release(dev->v4l2_m2m_dev);
+err_m2m_init:
+	v4l2_device_unregister(&dev->v4l2_dev);
+err_v4l2_dev_reg:
+	vdi_release(&pdev->dev);
+
+	return err;
+}
+
+static int vpu_remove(struct platform_device *pdev)
+{
+	struct vpu_device *dev = dev_get_drvdata(&pdev->dev);
+
+	clk_disable_unprepare(dev->clk);
+	vpu_enc_unregister_device(dev);
+	vpu_dec_unregister_device(dev);
+	v4l2_m2m_release(dev->v4l2_m2m_dev);
+	v4l2_device_unregister(&dev->v4l2_dev);
+	kfifo_free(&dev->irq_status);
+	vdi_release(&pdev->dev);
+
+	return 0;
+}
+
+#ifdef CONFIG_OF
+const struct wave5_match_data wave511_data = {
+	.decoder = true,
+	.encoder = false,
+	.fw_name = "wave511_dec_fw.bin",
+};
+
+const struct wave5_match_data wave521_data = {
+	.decoder = false,
+	.encoder = true,
+	.fw_name = "wave521_enc_fw.bin",
+};
+
+const struct wave5_match_data wave521c_data = {
+	.decoder = true,
+	.encoder = true,
+	.fw_name = "wave521c_codec_fw.bin",
+};
+
+// TODO: move this file to wave5 layer and convert runtime paramer filling to
+// predefined structure used as data here.
+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);
+#endif
+
+static struct platform_driver vpu_driver = {
+	.driver = {
+		.name = VPU_PLATFORM_DEVICE_NAME,
+		.of_match_table = of_match_ptr(wave5_dt_ids),
+		},
+	.probe = vpu_probe,
+	.remove = vpu_remove,
+	//.suspend = vpu_suspend,
+	//.resume = vpu_resume,
+};
+
+static int __init vpu_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&vpu_driver);
+
+	return ret;
+}
+
+static void __exit vpu_exit(void)
+{
+	platform_driver_unregister(&vpu_driver);
+}
+
+MODULE_DESCRIPTION("chips&media VPU V4L2 driver");
+MODULE_LICENSE("GPL");
+
+module_init(vpu_init);
+module_exit(vpu_exit);
+
diff --git a/drivers/staging/media/wave5/v4l2/vpu.h b/drivers/staging/media/wave5/v4l2/vpu.h
new file mode 100644
index 000000000000..402873eb0d2d
--- /dev/null
+++ b/drivers/staging/media/wave5/v4l2/vpu.h
@@ -0,0 +1,76 @@
+/* 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 "../vpuapi/vpuconfig.h"
+#include "../vpuapi/vpuapi.h"
+
+#define DPRINTK(dev, level, fmt, args...) \
+	v4l2_dbg(level, vpu_debug, &(dev)->v4l2_dev, "[%s]" fmt, __func__, ##args)
+
+#define VPU_BUF_SYNC_TO_DEVICE 0
+#define VPU_BUF_SYNC_FROM_DEVICE 1
+struct vpu_platform_data {
+	struct vb2_mem_ops *mem_ops;
+	int (*pre_fw_init)(struct device *dev, void __iomem *base);
+	uint32_t (*read_register)(struct device *dev, void __iomem *base, uint32_t reg);
+	void (*write_register)(struct device *dev, void __iomem *base, uint32_t reg, uint32_t data);
+	int (*buffer_sync)(struct device *dev, void __iomem *base, struct vpu_buf *vb, size_t offset, uint32_t len, int dir);
+	int (*buffer_alloc)(struct device *dev, struct vpu_buf *vb);
+	void (*buffer_free)(struct device *dev, struct vpu_buf *vb);
+	int (*reset)(struct device *dev, void __iomem *base);
+	uint32_t (*get_hwoption)(struct device *dev);
+};
+
+struct vpu_buffer {
+	struct v4l2_m2m_buffer v4l2_m2m_buf;
+	bool                   consumed;
+};
+
+enum vpu_format_type {
+	VPU_FMT_TYPE_CODEC = 0,
+	VPU_FMT_TYPE_RAW   = 1
+};
+
+struct vpu_format {
+	unsigned int v4l2_pix_fmt;
+	unsigned int num_planes;
+	unsigned int max_width;
+	unsigned int min_width;
+	unsigned int max_height;
+	unsigned int min_height;
+};
+
+extern unsigned int vpu_debug;
+
+static inline struct vpu_instance *to_vpu_inst(struct v4l2_fh *vfh)
+{
+	return container_of(vfh, struct vpu_instance, v4l2_fh);
+}
+
+static inline struct vpu_instance *ctrl_to_vpu_inst(struct v4l2_ctrl *vctrl)
+{
+	return container_of(vctrl->handler, struct vpu_instance, v4l2_ctrl_hdl);
+}
+
+static inline struct vpu_buffer *to_vpu_buf(struct vb2_v4l2_buffer *vbuf)
+{
+	return container_of(vbuf, struct vpu_buffer, v4l2_m2m_buf.vb);
+}
+
+int vpu_wait_interrupt(struct vpu_instance *inst, unsigned int timeout);
+
+#endif
+
diff --git a/drivers/staging/media/wave5/v4l2/vpu_dec.c b/drivers/staging/media/wave5/v4l2/vpu_dec.c
new file mode 100644
index 000000000000..6cc00becb291
--- /dev/null
+++ b/drivers/staging/media/wave5/v4l2/vpu_dec.c
@@ -0,0 +1,1393 @@
+// 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 "vpu_dec.h"
+
+static const struct vpu_format vpu_dec_fmt_list[2][6] = {
+	[VPU_FMT_TYPE_CODEC] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_HEVC,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_H264,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 32,
+			.max_height   = 8192,
+			.min_height   = 32,
+		},
+	},
+	[VPU_FMT_TYPE_RAW] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420M,
+			.num_planes   = 3,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12M,
+			.num_planes   = 2,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21M,
+			.num_planes   = 2,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+	}
+};
+
+static enum wave_std 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 *find_vpu_format(unsigned int v4l2_pix_fmt, enum vpu_format_type type)
+{
+	unsigned int index;
+
+	for (index = 0; index < ARRAY_SIZE(vpu_dec_fmt_list[type]); index++) {
+		if (vpu_dec_fmt_list[type][index].v4l2_pix_fmt == v4l2_pix_fmt)
+			return &vpu_dec_fmt_list[type][index];
+	}
+
+	return NULL;
+}
+
+static const struct vpu_format *find_vpu_format_by_index(unsigned int index, enum vpu_format_type type)
+{
+	if (index >= ARRAY_SIZE(vpu_dec_fmt_list[type]))
+		return NULL;
+
+	if (vpu_dec_fmt_list[type][index].v4l2_pix_fmt == 0)
+		return NULL;
+
+	return &vpu_dec_fmt_list[type][index];
+}
+
+static void handle_bitstream_buffer(struct vpu_instance *inst)
+{
+	struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL;
+
+	unsigned long flags;
+
+	spin_lock_irqsave(&inst->bitstream_lock, flags);
+
+	v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		enum ret_code                 ret_code = RETCODE_SUCCESS;
+		struct vb2_v4l2_buffer *vbuf    = &v4l2_m2m_buf->vb;
+		struct vpu_buffer      *vpu_buf = 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) {
+			DPRINTK(inst->dev, 1, "already consumed buffer\n");
+			continue;
+		}
+
+		vpu_dec_get_bitstream_buffer(inst, &bs_rd_ptr, &bs_wr_ptr, &bs_remain_size);
+
+		if (bs_remain_size < src_size) {
+			DPRINTK(inst->dev, 1, "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 temp_size;
+
+			temp_size = inst->bitstream_vbuf.daddr + inst->bitstream_vbuf.size - bs_wr_ptr;
+			vdi_write_memory(inst->dev, &inst->bitstream_vbuf, offset, src_buf,
+					 temp_size, VDI_128BIT_LITTLE_ENDIAN);
+			vdi_write_memory(inst->dev, &inst->bitstream_vbuf, 0,
+					 src_buf + temp_size, src_size - temp_size, VDI_128BIT_LITTLE_ENDIAN);
+		} else {
+			vdi_write_memory(inst->dev, &inst->bitstream_vbuf, offset, src_buf,
+					 src_size, VDI_128BIT_LITTLE_ENDIAN);
+		}
+
+		ret_code = vpu_dec_update_bitstream_buffer(inst, src_size);
+		if (ret_code != RETCODE_SUCCESS) {
+			DPRINTK(inst->dev, 1, "failed to call vpu_dec_update_bitstream_buffer() : %d\n", ret_code);
+			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 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 = to_vpu_buf(src_buf);
+
+		if (vpu_buf->consumed) {
+			u32 remain_num = 0;
+
+			DPRINTK(inst->dev, 1, "already consumed buffer\n");
+			remain_num = v4l2_m2m_num_src_bufs_ready(inst->v4l2_fh.m2m_ctx);
+			DPRINTK(inst->dev, 1, "remain buffer : %d\n", remain_num);
+			if (remain_num > 1) {
+				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 update_resolution_info(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 vpu_dec_start_decode(struct vpu_instance *inst)
+{
+	struct dec_param pic_param;
+	struct queue_status_info q_status;
+	u32 remain_cmd_q, max_cmd_q = 0;
+
+	memset(&pic_param, 0, sizeof(struct dec_param));
+
+	vpu_dec_give_command(inst, DEC_GET_QUEUE_STATUS, &q_status);
+	DPRINTK(inst->dev, 1, "min_src_buf_cnt : %d | default : %d | qcount : %d | report_q : %d\n",
+		inst->min_src_frame_buf_count, COMMAND_QUEUE_DEPTH, q_status.instance_queue_count,
+		q_status.report_queue_count);
+
+	max_cmd_q    = (inst->min_src_frame_buf_count < COMMAND_QUEUE_DEPTH) ?
+		inst->min_src_frame_buf_count : COMMAND_QUEUE_DEPTH;
+	remain_cmd_q = max_cmd_q - q_status.instance_queue_count;
+
+	while (remain_cmd_q) {
+		enum ret_code ret_code;
+
+		ret_code = vpu_dec_start_one_frame(inst, &pic_param);
+		if (ret_code != RETCODE_SUCCESS) {
+			if (ret_code != RETCODE_QUEUEING_FAILURE) {
+				struct vb2_v4l2_buffer *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;
+			}
+		} else {
+			DPRINTK(inst->dev, 1, "vpu_dec_start_one_frame success %d\n", ret_code);
+		}
+
+		remain_cmd_q--;
+	}
+}
+
+static void vpu_dec_stop_decode(struct vpu_instance *inst)
+{
+	u32 i;
+	unsigned long flags;
+
+	inst->state = VPU_INST_STATE_STOP;
+
+	spin_lock_irqsave(&inst->bitstream_lock, flags);
+	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++) {
+		vpu_dec_clr_disp_flag(inst, i);
+		DPRINTK(inst->dev, 1, "clear display flag : %d\n", i);
+	}
+}
+
+static void vpu_dec_finish_decode(struct vpu_instance *inst)
+{
+	struct dec_output_info dec_output_info;
+	enum ret_code ret_code;
+	int irq_status;
+
+	if (kfifo_out(&inst->dev->irq_status, &irq_status, sizeof(int)))
+		vpu_clear_interrupt_ex(inst, irq_status);
+
+	if (irq_status & (1 << INT_WAVE5_BSBUF_EMPTY)) {
+		DPRINTK(inst->dev, 1, "bitstream EMPTY!!!!\n");
+		inst->state = VPU_INST_STATE_WAIT_BUF;
+		handle_src_buffer(inst);
+		handle_bitstream_buffer(inst);
+	}
+
+	if (irq_status & (1 << INT_WAVE5_DEC_PIC)) {
+		ret_code = vpu_dec_get_output_info(inst, &dec_output_info);
+		if (ret_code != RETCODE_SUCCESS) {
+			v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+		} else {
+			if (inst->state == VPU_INST_STATE_STOP) {
+				struct queue_status_info q_status;
+
+				if (dec_output_info.index_frame_display >= 0)
+					vpu_dec_clr_disp_flag(inst, dec_output_info.index_frame_display);
+
+				vpu_dec_give_command(inst, DEC_GET_QUEUE_STATUS, &q_status);
+
+				if (q_status.report_queue_count + q_status.instance_queue_count == 0)
+					v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+			} else if (dec_output_info.index_frame_decoded == DECODED_IDX_FLAG_NO_FB &&
+					dec_output_info.index_frame_display == DISPLAY_IDX_FLAG_NO_FB) {
+				DPRINTK(inst->dev, 1, "no more frame buffer\n");
+				inst->state = VPU_INST_STATE_WAIT_BUF;
+			} else {
+				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
+					};
+
+					DPRINTK(inst->dev, 1, "stream end\n");
+					inst->state = VPU_INST_STATE_STOP;
+					v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_eos);
+				}
+
+				if (!kfifo_len(&inst->dev->irq_status))
+					v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev,
+							    inst->v4l2_fh.m2m_ctx);
+			}
+		}
+	}
+}
+
+static int vpu_dec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	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 vpu_dec_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	if (fsize->index)
+		return -EINVAL;
+
+	vpu_fmt = find_vpu_format(fsize->pixel_format, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt) {
+		vpu_fmt = 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 vpu_dec_enum_fmt_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "index : %d\n", f->index);
+
+	vpu_fmt = find_vpu_format_by_index(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 vpu_dec_try_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance     *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "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_CAPTURE_MPLANE)
+		return -EINVAL;
+
+	vpu_fmt = find_vpu_format(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;
+		update_resolution_info(&f->fmt.pix_mp, inst->dst_fmt.width, inst->dst_fmt.height);
+	} else {
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes  = vpu_fmt->num_planes;
+		update_resolution_info(&f->fmt.pix_mp, clamp(f->fmt.pix_mp.width,
+							     vpu_fmt->min_width, vpu_fmt->max_width),
+				clamp(f->fmt.pix_mp.height, vpu_fmt->min_height,
+				      vpu_fmt->max_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 vpu_dec_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i, ret;
+
+	DPRINTK(inst->dev, 1, "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 = 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;
+	}
+
+	return 0;
+}
+
+static int vpu_dec_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	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 vpu_dec_enum_fmt_out(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "index : %d\n", f->index);
+
+	vpu_fmt = find_vpu_format_by_index(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 vpu_dec_try_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance     *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "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 = find_vpu_format(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;
+		update_resolution_info(&f->fmt.pix_mp, inst->src_fmt.width, inst->src_fmt.height);
+	} else {
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes  = vpu_fmt->num_planes;
+		update_resolution_info(&f->fmt.pix_mp, clamp(f->fmt.pix_mp.width,
+							     vpu_fmt->min_width, vpu_fmt->max_width),
+				clamp(f->fmt.pix_mp.height, vpu_fmt->min_height,
+				      vpu_fmt->max_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 vpu_dec_s_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i, ret;
+
+	DPRINTK(inst->dev, 1, "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 = 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;
+
+	update_resolution_info(&inst->dst_fmt, f->fmt.pix_mp.width, f->fmt.pix_mp.height);
+
+	return 0;
+}
+
+static int vpu_dec_g_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i;
+
+	DPRINTK(inst->dev, 1, "\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 vpu_dec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "type : %d | target : %d\n", s->type, s->target);
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+		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;
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vpu_dec_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "type : %d | target : %d\n", s->type, s->target);
+
+	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+		switch (s->target) {
+		case V4L2_SEL_TGT_COMPOSE:
+			DPRINTK(inst->dev, 1, "V4L2_SEL_TGT_COMPOSE 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;
+			break;
+		default:
+			return -EINVAL;
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vpu_dec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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 vpu_dec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dc)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int ret;
+
+	DPRINTK(inst->dev, 1, "decoder command : %d\n", dc->cmd);
+
+	ret = vpu_dec_try_decoder_cmd(file, fh, dc);
+	if (ret < 0)
+		return ret;
+
+	if (!vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) ||
+	    !vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)))
+		return 0;
+
+	switch (dc->cmd) {
+	case V4L2_DEC_CMD_STOP:
+		vpu_dec_stop_decode(inst);
+		break;
+	case V4L2_DEC_CMD_START:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vpu_dec_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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 vpu_dec_ioctl_ops = {
+	.vidioc_querycap                = vpu_dec_querycap,
+	.vidioc_enum_framesizes         = vpu_dec_enum_framesizes,
+
+	.vidioc_enum_fmt_vid_cap	= vpu_dec_enum_fmt_cap,
+	.vidioc_s_fmt_vid_cap_mplane    = vpu_dec_s_fmt_cap,
+	.vidioc_g_fmt_vid_cap_mplane    = vpu_dec_g_fmt_cap,
+	.vidioc_try_fmt_vid_cap_mplane  = vpu_dec_try_fmt_cap,
+
+	.vidioc_enum_fmt_vid_out	= vpu_dec_enum_fmt_out,
+	.vidioc_s_fmt_vid_out_mplane    = vpu_dec_s_fmt_out,
+	.vidioc_g_fmt_vid_out_mplane    = vpu_dec_g_fmt_out,
+	.vidioc_try_fmt_vid_out_mplane  = vpu_dec_try_fmt_out,
+
+	.vidioc_g_selection             = vpu_dec_g_selection,
+	.vidioc_s_selection             = 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         = vpu_dec_try_decoder_cmd,
+	.vidioc_decoder_cmd             = vpu_dec_decoder_cmd,
+
+	.vidioc_subscribe_event         = vpu_dec_subscribe_event,
+	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
+};
+
+static int vpu_dec_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = ctrl_to_vpu_inst(ctrl);
+
+	DPRINTK(inst->dev, 1, "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;
+	}
+
+	DPRINTK(inst->dev, 1, "value : %d\n", ctrl->val);
+
+	return 0;
+}
+
+static int vpu_dec_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = ctrl_to_vpu_inst(ctrl);
+
+	DPRINTK(inst->dev, 1, "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 vpu_dec_ctrl_ops = {
+	.g_volatile_ctrl = vpu_dec_g_volatile_ctrl,
+	.s_ctrl          = vpu_dec_s_ctrl,
+};
+
+static const struct v4l2_ctrl_config vpu_thumbnail_mode = {
+	.ops   = &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 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;
+	open_param->cbcr_interleave = FALSE;
+	open_param->nv21           = FALSE;
+}
+
+static int 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;
+
+	DPRINTK(inst->dev, 1, "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;
+			DPRINTK(inst->dev, 1, "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;
+			DPRINTK(inst->dev, 1, "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;
+			DPRINTK(inst->dev, 1, "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) {
+		enum ret_code ret_code;
+		struct dec_open_param open_param;
+
+		memset(&open_param, 0, sizeof(struct dec_open_param));
+		set_default_dec_openparam(&open_param);
+
+		inst->bitstream_vbuf.size = ALIGN(inst->src_fmt.plane_fmt[0].sizeimage, 1024) * 4;
+		if (vdi_allocate_dma_memory(inst->dev, &inst->bitstream_vbuf) < 0)
+			DPRINTK(inst->dev, 1, "alloc bitstream fail: %zu\n", inst->bitstream_vbuf.size);
+
+		inst->std = 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_code = vpu_dec_open_api(inst, &open_param);
+		if (ret_code != RETCODE_SUCCESS) {
+			DPRINTK(inst->dev, 1, "failed to call vpu_dec_open_api() : %d\n", ret_code);
+			return -EINVAL;
+		}
+
+		inst->state = VPU_INST_STATE_OPEN;
+
+		//vpu_dec_give_command(inst, ENABLE_LOGGING, 0);
+
+		if (inst->thumbnail_mode)
+			vpu_dec_give_command(inst, ENABLE_DEC_THUMBNAIL_MODE, 0);
+
+		inst->min_src_frame_buf_count = *num_buffers;
+	}
+
+	if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN && q->type ==
+			V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		*num_buffers = inst->min_dst_frame_buf_count;
+
+		if (inst->state == VPU_INST_STATE_INIT_SEQ) {
+			s32 non_linear_num = inst->min_dst_frame_buf_count;
+			s32 fb_stride, fb_height;
+			s32 luma_size, chroma_size;
+
+			for (i = 0; i < non_linear_num; 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;
+
+				inst->frame_vbuf[i].size = luma_size + chroma_size;
+				if (vdi_allocate_dma_memory(inst->dev, &inst->frame_vbuf[i]) < 0)
+					DPRINTK(inst->dev, 1, "failed to alloc 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   = inst->frame_vbuf[i].daddr + luma_size;
+				inst->frame_buf[i].buf_cr   = (dma_addr_t)-1;
+				inst->frame_buf[i].size    = inst->frame_vbuf[i].size;
+				inst->frame_buf[i].width   = inst->src_fmt.width;
+				inst->frame_buf[i].stride  = fb_stride;
+				inst->frame_buf[i].map_type = COMPRESSED_FRAME_MAP;
+				inst->frame_buf[i].update_fb_info = TRUE;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int vpu_dec_buf_init(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+	return 0;
+}
+
+static int vpu_dec_buf_prepare(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf     = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+
+	return 0;
+}
+
+static void 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 = to_vpu_buf(vbuf);
+
+	DPRINTK(inst->dev, 1, "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;
+		handle_bitstream_buffer(inst);
+		vbuf->sequence = inst->queued_src_buf_num++;
+	}
+
+	if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		if (inst->state == VPU_INST_STATE_INIT_SEQ) {
+			dma_addr_t buf_addr_y = 0, buf_addr_cb = 0, buf_addr_cr = 0;
+			s32 buf_size     = 0;
+			s32 non_linear_num = inst->min_dst_frame_buf_count;
+			s32 fb_stride     = inst->dst_fmt.width;
+			s32 luma_size     = fb_stride * inst->dst_fmt.height;
+			s32 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) {
+			vpu_dec_clr_disp_flag(inst, vb->index);
+			if (inst->state == VPU_INST_STATE_WAIT_BUF)
+				inst->state = VPU_INST_STATE_PIC_RUN;
+		}
+		vbuf->sequence = inst->queued_dst_buf_num++;
+	}
+}
+
+static void vpu_dec_buf_finish(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+}
+
+static void vpu_dec_buf_cleanup(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+}
+
+static int vpu_dec_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+
+	DPRINTK(inst->dev, 1, "type : %d\n", q->type);
+
+	if (inst->state == VPU_INST_STATE_OPEN) {
+		struct dec_initial_info initial_info;
+		enum ret_code        ret_code;
+
+		ret_code = vpu_dec_issue_seq_init(inst);
+		if (ret_code != RETCODE_SUCCESS)
+			DPRINTK(inst->dev, 1, "failed vpu_dec_issue_seq_init() : %d\n", ret_code);
+
+		if (vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT) < 0)
+			DPRINTK(inst->dev, 1, "failed to call vpu_wait_interrupt()\n");
+
+		ret_code = vpu_dec_complete_seq_init(inst, &initial_info);
+		if (ret_code != RETCODE_SUCCESS) {
+			DPRINTK(inst->dev, 1, "vpu_dec_complete_seq_init: %d, reason : %d\n",
+				ret_code, 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,
+			};
+
+			DPRINTK(inst->dev, 1, "width %d height %d profile %d | minbuffer : %d\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) {
+				update_resolution_info(&inst->src_fmt, initial_info.pic_width,
+						       initial_info.pic_height);
+				update_resolution_info(&inst->dst_fmt, initial_info.pic_width,
+						       initial_info.pic_height);
+			}
+
+			v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_src_ch);
+		}
+	}
+
+	if (inst->state == VPU_INST_STATE_INIT_SEQ && q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		enum ret_code ret_code;
+		s32 non_linear_num = inst->min_dst_frame_buf_count;
+		s32 linear_num    = inst->min_dst_frame_buf_count;
+		s32 fb_stride     = inst->dst_fmt.width;
+
+		DPRINTK(inst->dev, 1, "fb_stride %d | inst->dst_fmt.height %d\n", fb_stride, inst->dst_fmt.height);
+		ret_code = vpu_dec_register_frame_buffer_ex(inst, non_linear_num, linear_num,
+							    fb_stride, inst->dst_fmt.height, COMPRESSED_FRAME_MAP);
+		if (ret_code != RETCODE_SUCCESS)
+			DPRINTK(inst->dev, 1, "fail vpu_dec_register_frame_buffer_ex %d", ret_code);
+
+		inst->state = VPU_INST_STATE_PIC_RUN;
+	}
+
+	return 0;
+}
+
+static void vpu_dec_stop_streaming(struct vb2_queue *q)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	struct vb2_v4l2_buffer *buf;
+
+	DPRINTK(inst->dev, 1, "type : %d\n", q->type);
+
+	if (vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) &&
+	    vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)))
+		inst->state = VPU_INST_STATE_STOP;
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx))) {
+			DPRINTK(inst->dev, 1, "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 = 0;
+
+			DPRINTK(inst->dev, 1, "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 vpu_dec_vb2_ops = {
+	.queue_setup     = vpu_dec_queue_setup,
+	.wait_prepare    = vb2_ops_wait_prepare,
+	.wait_finish     = vb2_ops_wait_finish,
+	.buf_init        = vpu_dec_buf_init,
+	.buf_prepare     = vpu_dec_buf_prepare,
+	.buf_queue       = vpu_dec_buf_queue,
+	.buf_finish      = vpu_dec_buf_finish,
+	.buf_cleanup     = vpu_dec_buf_cleanup,
+	.start_streaming = vpu_dec_start_streaming,
+	.stop_streaming  = vpu_dec_stop_streaming,
+};
+
+static void set_default_format(struct v4l2_pix_format_mplane *src_fmt,
+			       struct v4l2_pix_format_mplane *dst_fmt)
+{
+	src_fmt->pixelformat  = 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   = vpu_dec_fmt_list[VPU_FMT_TYPE_CODEC][0].num_planes;
+	update_resolution_info(src_fmt, 720, 480);
+
+	dst_fmt->pixelformat  = vpu_dec_fmt_list[VPU_FMT_TYPE_RAW][0].v4l2_pix_fmt;
+	dst_fmt->field        = V4L2_FIELD_NONE;
+	dst_fmt->flags        = 0;
+	dst_fmt->num_planes   = vpu_dec_fmt_list[VPU_FMT_TYPE_RAW][0].num_planes;
+	update_resolution_info(dst_fmt, 736, 480);
+}
+
+static int vpu_dec_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+{
+	struct vpu_instance *inst = priv;
+	struct vpu_platform_data *pdata = dev_get_platdata(inst->dev->v4l2_dev.dev);
+	int ret;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	if (pdata && pdata->mem_ops)
+		src_vq->mem_ops = pdata->mem_ops;
+	else
+		src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->ops = &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;
+	if (pdata && pdata->mem_ops)
+		dst_vq->mem_ops = pdata->mem_ops;
+	else
+		dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->ops = &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 vpu_dec_inst_ops = {
+	.start_process  = vpu_dec_start_decode,
+	.stop_process   = vpu_dec_stop_decode,
+	.finish_process = vpu_dec_finish_decode,
+};
+
+static int vpu_dec_open(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;
+
+	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+	if (!inst)
+		return -ENOMEM;
+
+	inst->dev  = dev;
+	inst->type = VPU_INST_TYPE_DEC;
+	inst->ops  = &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, vpu_dec_queue_init);
+	if (IS_ERR(inst->v4l2_fh.m2m_ctx))
+		return -ENODEV;
+
+	v4l2_ctrl_handler_init(&inst->v4l2_ctrl_hdl, 10);
+	v4l2_ctrl_new_custom(&inst->v4l2_ctrl_hdl, &vpu_thumbnail_mode, NULL);
+	ctrl = v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &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)
+		return -ENODEV;
+
+	inst->v4l2_fh.ctrl_handler = &inst->v4l2_ctrl_hdl;
+	v4l2_ctrl_handler_setup(&inst->v4l2_ctrl_hdl);
+
+	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;
+}
+
+static int vpu_dec_release(struct file *filp)
+{
+	int i;
+	struct vpu_instance *inst = to_vpu_inst(filp->private_data);
+	unsigned int loop_count = 0;
+
+	v4l2_m2m_ctx_release(inst->v4l2_fh.m2m_ctx);
+	if (inst->state != VPU_INST_STATE_NONE) {
+		while (vpu_dec_close(inst) == RETCODE_VPU_STILL_RUNNING) {
+			if (vpu_wait_interrupt(inst, VPU_DEC_TIMEOUT) < 0) {
+				DPRINTK(inst->dev, 1, "failed to call vpu_wait_interrupt()\n");
+				if (loop_count < 10) {
+					loop_count++;
+					continue;
+				} else {
+					DPRINTK(inst->dev, 1, "failed to call vpu_dec_close()\n");
+					break;
+				}
+			} else {
+				break;
+			}
+		}
+	}
+	for (i = 0; i < inst->min_dst_frame_buf_count; i++) {
+		if (inst->frame_vbuf[i].size != 0)
+			vdi_free_dma_memory(inst->dev, &inst->frame_vbuf[i]);
+	}
+	if (inst->bitstream_vbuf.size != 0)
+		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 vpu_dec_fops = {
+	.owner          = THIS_MODULE,
+	.open           = vpu_dec_open,
+	.release        = vpu_dec_release,
+	.unlocked_ioctl = video_ioctl2,
+	.poll           = v4l2_m2m_fop_poll,
+	.mmap           = v4l2_m2m_fop_mmap,
+};
+
+int vpu_dec_register_device(struct vpu_device *dev)
+{
+	struct video_device *vdev_dec;
+
+	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        = &vpu_dec_fops;
+	vdev_dec->ioctl_ops   = &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;
+
+	if (video_register_device(vdev_dec, VFL_TYPE_VIDEO, -1))
+		return -1;
+
+	video_set_drvdata(vdev_dec, dev);
+
+	return 0;
+}
+
+void vpu_dec_unregister_device(struct vpu_device *dev)
+{
+	video_unregister_device(dev->video_dev_dec);
+}
+
diff --git a/drivers/staging/media/wave5/v4l2/vpu_dec.h b/drivers/staging/media/wave5/v4l2/vpu_dec.h
new file mode 100644
index 000000000000..92744858ef64
--- /dev/null
+++ b/drivers/staging/media/wave5/v4l2/vpu_dec.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * Wave5 series multi-standard codec IP - decoder interface
+ *
+ * Copyright (C) 2021 CHIPS&MEDIA INC
+ */
+#ifndef __VPU_DEC_DRV_H__
+#define __VPU_DEC_DRV_H__
+
+#include "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)
+
+int  vpu_dec_register_device(struct vpu_device *dev);
+void vpu_dec_unregister_device(struct vpu_device *dev);
+#endif
+
diff --git a/drivers/staging/media/wave5/v4l2/vpu_enc.c b/drivers/staging/media/wave5/v4l2/vpu_enc.c
new file mode 100644
index 000000000000..e528b540ed2e
--- /dev/null
+++ b/drivers/staging/media/wave5/v4l2/vpu_enc.c
@@ -0,0 +1,1580 @@
+// 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 "vpu_enc.h"
+
+static const struct vpu_format vpu_enc_fmt_list[2][6] = {
+	[VPU_FMT_TYPE_CODEC] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_HEVC,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_H264,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 32,
+			.max_height   = 8192,
+			.min_height   = 32,
+		},
+	},
+	[VPU_FMT_TYPE_RAW] = {
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21,
+			.num_planes   = 1,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV420M,
+			.num_planes   = 3,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV12M,
+			.num_planes   = 2,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+		{
+			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21M,
+			.num_planes   = 2,
+			.max_width    = 8192,
+			.min_width    = 8,
+			.max_height   = 8192,
+			.min_height   = 8,
+		},
+	}
+};
+
+static enum cod_std to_vpu_codstd(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 *find_vpu_format(unsigned int v4l2_pix_fmt, enum vpu_format_type type)
+{
+	unsigned int index;
+
+	for (index = 0; index < ARRAY_SIZE(vpu_enc_fmt_list[type]); index++) {
+		if (vpu_enc_fmt_list[type][index].v4l2_pix_fmt == v4l2_pix_fmt)
+			return &vpu_enc_fmt_list[type][index];
+	}
+
+	return NULL;
+}
+
+static const struct vpu_format *find_vpu_format_by_index(unsigned int index, enum vpu_format_type type)
+{
+	if (index >= ARRAY_SIZE(vpu_enc_fmt_list[type]))
+		return NULL;
+
+	if (vpu_enc_fmt_list[type][index].v4l2_pix_fmt == 0)
+		return NULL;
+
+	return &vpu_enc_fmt_list[type][index];
+}
+
+static struct vb2_v4l2_buffer *get_valid_src_buf(struct vpu_instance *inst)
+{
+	struct vb2_v4l2_buffer *vb2_v4l2_buf = NULL;
+	struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL;
+	struct vpu_buffer      *vpu_buf      = NULL;
+	bool   no_src_buf                    = TRUE;
+
+	v4l2_m2m_for_each_src_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		vb2_v4l2_buf = &v4l2_m2m_buf->vb;
+		vpu_buf      = to_vpu_buf(vb2_v4l2_buf);
+
+		if (!vpu_buf->consumed) {
+			DPRINTK(inst->dev, 1, "no consumed src idx : %d\n",
+				vb2_v4l2_buf->vb2_buf.index);
+			no_src_buf = FALSE;
+			break;
+		}
+	}
+
+	if (no_src_buf)
+		vb2_v4l2_buf = NULL;
+
+	return vb2_v4l2_buf;
+}
+
+static struct vb2_v4l2_buffer *get_valid_dst_buf(struct vpu_instance *inst)
+{
+	struct vb2_v4l2_buffer *vb2_v4l2_buf = NULL;
+	struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL;
+	struct vpu_buffer      *vpu_buf      = NULL;
+	bool   no_dst_buf                    = TRUE;
+
+	v4l2_m2m_for_each_dst_buf(inst->v4l2_fh.m2m_ctx, v4l2_m2m_buf) {
+		vb2_v4l2_buf = &v4l2_m2m_buf->vb;
+		vpu_buf      = to_vpu_buf(vb2_v4l2_buf);
+
+		if (!vpu_buf->consumed) {
+			DPRINTK(inst->dev, 1, "no consumed dst idx : %d\n",
+				vb2_v4l2_buf->vb2_buf.index);
+			no_dst_buf = FALSE;
+			break;
+		}
+	}
+
+	if (no_dst_buf)
+		vb2_v4l2_buf = NULL;
+
+	return vb2_v4l2_buf;
+}
+
+static void update_resolution_info(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 vpu_enc_start_encode(struct vpu_instance *inst)
+{
+	enum ret_code ret_code;
+	struct queue_status_info q_status;
+	u32 remain_cmd_q, max_cmd_q = 0;
+
+	vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status);
+	DPRINTK(inst->dev, 1, "min_src_buf_cnt : %d | default : %d | qcount : %d | report_q : %d\n",
+		inst->min_src_frame_buf_count, COMMAND_QUEUE_DEPTH, q_status.instance_queue_count,
+		q_status.report_queue_count);
+
+	max_cmd_q    = (inst->min_src_frame_buf_count < COMMAND_QUEUE_DEPTH) ?
+		inst->min_src_frame_buf_count : COMMAND_QUEUE_DEPTH;
+	remain_cmd_q = max_cmd_q - q_status.instance_queue_count;
+
+	while (remain_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;
+		s32 luma_size   = (inst->dst_fmt.width * inst->dst_fmt.height);
+		s32 chroma_size = ((inst->dst_fmt.width / 2) * (inst->dst_fmt.height / 2));
+
+		memset(&pic_param, 0, sizeof(struct enc_param));
+
+		src_buf = get_valid_src_buf(inst);
+		dst_buf = get_valid_dst_buf(inst);
+
+		if (!src_buf || !dst_buf) {
+			DPRINTK(inst->dev, 1, "no valid src/dst buf\n");
+			break;
+		}
+
+		src_vbuf = to_vpu_buf(src_buf);
+		dst_vbuf = to_vpu_buf(dst_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;
+		frame_buf.cbcr_interleave = 0;
+
+		DPRINTK(inst->dev, 1, "encoding src sequence : %d | dst sequence : %d\n",
+			src_buf->sequence, dst_buf->sequence);
+
+		pic_param.src_idx      = src_buf->vb2_buf.index;
+		pic_param.source_frame = &frame_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);
+		pic_param.code_option.implicit_header_encode = 1;
+
+		ret_code = vpu_enc_start_one_frame(inst, &pic_param);
+		if (ret_code != RETCODE_SUCCESS) {
+			if (ret_code != RETCODE_QUEUEING_FAILURE) {
+				src_buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx);
+				dst_buf = v4l2_m2m_dst_buf_remove(inst->v4l2_fh.m2m_ctx);
+				DPRINTK(inst->dev, 1, "fail to call vpu_enc_start_one_frame() %d\n",
+					ret_code);
+				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 {
+			DPRINTK(inst->dev, 1, "success to call vpu_enc_start_one_frame() %d\n",
+				ret_code);
+			src_vbuf->consumed = TRUE;
+			dst_vbuf->consumed = TRUE;
+		}
+
+		remain_cmd_q--;
+	}
+}
+
+static void vpu_enc_stop_encode(struct vpu_instance *inst)
+{
+	struct queue_status_info q_status;
+
+	inst->state = VPU_INST_STATE_STOP;
+
+	vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status);
+
+	if (q_status.report_queue_count + q_status.instance_queue_count == 0)
+		v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+}
+
+static void vpu_enc_finish_encode(struct vpu_instance *inst)
+{
+	enum ret_code ret_code;
+	struct enc_output_info enc_output_info;
+	int irq_status;
+
+	if (kfifo_out(&inst->dev->irq_status, &irq_status, sizeof(int)))
+		vpu_clear_interrupt_ex(inst, irq_status);
+
+	ret_code = vpu_enc_get_output_info(inst, &enc_output_info);
+	if (ret_code != RETCODE_SUCCESS) {
+		DPRINTK(inst->dev, 1, "vpu_enc_get_output_info fail %d | reason: %d | info : %d\n",
+			ret_code, enc_output_info.error_reason, enc_output_info.warn_info);
+	} else {
+		struct vb2_v4l2_buffer *dst_buf = NULL;
+		struct v4l2_m2m_buffer *v4l2_m2m_buf = NULL;
+
+		v4l2_m2m_buf = NULL;
+		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
+			};
+
+			dst_buf->flags |= V4L2_BUF_FLAG_LAST;
+			vb2_set_plane_payload(&dst_buf->vb2_buf, 0, 0);
+
+			inst->state = VPU_INST_STATE_STOP;
+			v4l2_event_queue_fh(&inst->v4l2_fh, &vpu_event_eos);
+		} 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);
+	}
+
+	if (inst->state == VPU_INST_STATE_STOP) {
+		struct queue_status_info q_status;
+
+		vpu_enc_give_command(inst, ENC_GET_QUEUE_STATUS, &q_status);
+		DPRINTK(inst->dev, 1, "default : %d | qcount : %d | report_q : %d\n",
+			COMMAND_QUEUE_DEPTH, q_status.instance_queue_count,
+				q_status.report_queue_count);
+
+		if (q_status.report_queue_count + q_status.instance_queue_count == 0)
+			v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+	} else {
+		v4l2_m2m_job_finish(inst->dev->v4l2_m2m_dev, inst->v4l2_fh.m2m_ctx);
+	}
+}
+
+static int vpu_enc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	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 vpu_enc_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	if (fsize->index)
+		return -EINVAL;
+
+	vpu_fmt = find_vpu_format(fsize->pixel_format, VPU_FMT_TYPE_CODEC);
+	if (!vpu_fmt) {
+		vpu_fmt = 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 vpu_enc_enum_fmt_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "index : %d\n", f->index);
+
+	vpu_fmt = find_vpu_format_by_index(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 vpu_enc_try_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance     *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "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 = 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;
+		update_resolution_info(&f->fmt.pix_mp, inst->dst_fmt.width, inst->dst_fmt.height);
+	} else {
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes  = vpu_fmt->num_planes;
+		update_resolution_info(&f->fmt.pix_mp, clamp(f->fmt.pix_mp.width,
+							     vpu_fmt->min_width, vpu_fmt->max_width),
+				clamp(f->fmt.pix_mp.height, vpu_fmt->min_height,
+				      vpu_fmt->max_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 vpu_enc_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i, ret;
+
+	DPRINTK(inst->dev, 1, "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 = 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 vpu_enc_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	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 vpu_enc_enum_fmt_out(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "index : %d\n", f->index);
+
+	vpu_fmt = find_vpu_format_by_index(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 vpu_enc_try_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance     *inst = to_vpu_inst(fh);
+	const struct vpu_format *vpu_fmt;
+
+	DPRINTK(inst->dev, 1, "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 = 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;
+		update_resolution_info(&f->fmt.pix_mp, inst->src_fmt.width, inst->src_fmt.height);
+	} else {
+		f->fmt.pix_mp.pixelformat = vpu_fmt->v4l2_pix_fmt;
+		f->fmt.pix_mp.num_planes  = vpu_fmt->num_planes;
+		update_resolution_info(&f->fmt.pix_mp, clamp(f->fmt.pix_mp.width,
+							     vpu_fmt->min_width, vpu_fmt->max_width),
+				clamp(f->fmt.pix_mp.height, vpu_fmt->min_height,
+				      vpu_fmt->max_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 vpu_enc_s_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i, ret;
+
+	DPRINTK(inst->dev, 1, "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 = 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;
+	}
+
+	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;
+
+	update_resolution_info(&inst->dst_fmt, f->fmt.pix_mp.width, f->fmt.pix_mp.height);
+
+	return 0;
+}
+
+static int vpu_enc_g_fmt_out(struct file *file, void *fh, struct v4l2_format *f)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int i;
+
+	DPRINTK(inst->dev, 1, "\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 vpu_enc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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;
+			DPRINTK(inst->dev, 1, "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 vpu_enc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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:
+			DPRINTK(inst->dev, 1, "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;
+			break;
+		default:
+			return -EINVAL;
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vpu_enc_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	if (ec->cmd != V4L2_ENC_CMD_STOP && ec->cmd != V4L2_ENC_CMD_START)
+		return -EINVAL;
+
+	ec->flags = 0;
+	return 0;
+}
+
+static int vpu_enc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *ec)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+	int ret;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	ret = vpu_enc_try_encoder_cmd(file, fh, ec);
+	if (ret < 0)
+		return ret;
+
+	if (!vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) ||
+	    !vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)))
+		return 0;
+
+	switch (ec->cmd) {
+	case V4L2_ENC_CMD_STOP:
+		vpu_enc_stop_encode(inst);
+		break;
+	case V4L2_ENC_CMD_START:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int vpu_enc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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 vpu_enc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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;
+
+	DPRINTK(inst->dev, 1, "numerator : %d | denominator : %d\n",
+		a->parm.output.timeperframe.numerator,
+			a->parm.output.timeperframe.denominator);
+
+	return 0;
+}
+
+static int vpu_enc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+	struct vpu_instance *inst = to_vpu_inst(fh);
+
+	DPRINTK(inst->dev, 1, "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 != 0 && a->parm.output.timeperframe.numerator != 0) {
+		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;
+	}
+
+	DPRINTK(inst->dev, 1, "numerator : %d | denominator : %d\n",
+		a->parm.output.timeperframe.numerator,
+			a->parm.output.timeperframe.denominator);
+
+	return 0;
+}
+
+static const struct v4l2_ioctl_ops vpu_enc_ioctl_ops = {
+	.vidioc_querycap                = vpu_enc_querycap,
+	.vidioc_enum_framesizes         = vpu_enc_enum_framesizes,
+
+	.vidioc_enum_fmt_vid_cap	= vpu_enc_enum_fmt_cap,
+	.vidioc_s_fmt_vid_cap_mplane    = vpu_enc_s_fmt_cap,
+	.vidioc_g_fmt_vid_cap_mplane    = vpu_enc_g_fmt_cap,
+	.vidioc_try_fmt_vid_cap_mplane  = vpu_enc_try_fmt_cap,
+
+	.vidioc_enum_fmt_vid_out	= vpu_enc_enum_fmt_out,
+	.vidioc_s_fmt_vid_out_mplane    = vpu_enc_s_fmt_out,
+	.vidioc_g_fmt_vid_out_mplane    = vpu_enc_g_fmt_out,
+	.vidioc_try_fmt_vid_out_mplane  = vpu_enc_try_fmt_out,
+
+	.vidioc_g_selection             = vpu_enc_g_selection,
+	.vidioc_s_selection             = vpu_enc_s_selection,
+
+	.vidioc_g_parm                  = vpu_enc_g_parm,
+	.vidioc_s_parm                  = 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         = vpu_enc_try_encoder_cmd,
+	.vidioc_encoder_cmd             = vpu_enc_encoder_cmd,
+
+	.vidioc_subscribe_event         = vpu_enc_subscribe_event,
+	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
+};
+
+static int vpu_enc_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = ctrl_to_vpu_inst(ctrl);
+
+	DPRINTK(inst->dev, 1, "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;
+	}
+
+	DPRINTK(inst->dev, 1, "value : %d\n", ctrl->val);
+
+	return 0;
+}
+
+static int vpu_enc_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct vpu_instance *inst = ctrl_to_vpu_inst(ctrl);
+
+	DPRINTK(inst->dev, 1, "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:
+			inst->profile   = 0;
+			inst->bit_depth = 0;
+			break;
+		}
+		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:
+			inst->level = 0;
+			break;
+		}
+		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:
+			inst->profile   = 0;
+			inst->bit_depth = 0;
+			break;
+		}
+		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:
+			inst->level = 0;
+			break;
+		}
+		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 vpu_enc_ctrl_ops = {
+	.g_volatile_ctrl = vpu_enc_g_volatile_ctrl,
+	.s_ctrl          = vpu_enc_s_ctrl,
+};
+
+static void 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 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;
+
+	DPRINTK(inst->dev, 1, "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;
+			DPRINTK(inst->dev, 1, "size[%d] : %d\n", i, sizes[i]);
+		}
+	}
+
+	DPRINTK(inst->dev, 1, "size : %d\n", sizes[0]);
+
+	if (inst->state == VPU_INST_STATE_NONE && q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		enum ret_code ret_code;
+		s32 non_linear_num  = 0;
+		s32 fb_stride = 0;
+		s32 fb_height = 0;
+		struct enc_open_param open_param;
+		struct enc_initial_info initial_info;
+
+		memset(&open_param, 0, sizeof(struct enc_open_param));
+		set_default_enc_openparam(&open_param);
+
+		inst->std = to_vpu_codstd(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_code = vpu_enc_open_api(inst, &open_param);
+		if (ret_code != RETCODE_SUCCESS) {
+			DPRINTK(inst->dev, 1, "failed to call vpu_enc_open_api() : %d\n", ret_code);
+			return -EINVAL;
+		}
+
+		inst->state = VPU_INST_STATE_OPEN;
+
+		//vpu_enc_give_command(inst, ENABLE_LOGGING, 0);
+
+		if (inst->mirror_direction != 0) {
+			vpu_enc_give_command(inst, ENABLE_MIRRORING, 0);
+			vpu_enc_give_command(inst, SET_MIRROR_DIRECTION, &inst->mirror_direction);
+		}
+		if (inst->rot_angle != 0) {
+			vpu_enc_give_command(inst, ENABLE_ROTATION, 0);
+			vpu_enc_give_command(inst, SET_ROTATION_ANGLE, &inst->rot_angle);
+		}
+
+		ret_code = vpu_enc_issue_seq_init(inst);
+		if (ret_code != RETCODE_SUCCESS) {
+			DPRINTK(inst->dev, 1, "failed to call vpu_enc_issue_seq_init() : %d\n",
+				ret_code);
+			return -EINVAL;
+		}
+
+		if (vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT) < 0) {
+			DPRINTK(inst->dev, 1, "failed to call vpu_wait_interrupt()\n");
+			return -EINVAL;
+		}
+
+		ret_code = vpu_enc_complete_seq_init(inst, &initial_info);
+		if (ret_code != RETCODE_SUCCESS)
+			return -EINVAL;
+
+		DPRINTK(inst->dev, 1, "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;
+		DPRINTK(inst->dev, 1, "source buffer num : %d", *num_buffers);
+
+		non_linear_num = inst->min_dst_frame_buf_count;
+
+		fb_stride = inst->dst_fmt.width;
+		fb_height = inst->dst_fmt.height;
+
+		for (i = 0; i < non_linear_num; i++) {
+			s32 luma_size   = fb_stride * fb_height;
+			s32 chroma_size = ALIGN(fb_stride / 2, 16) * fb_height;
+
+			inst->frame_vbuf[i].size = luma_size + chroma_size;
+			if (vdi_allocate_dma_memory(inst->dev, &inst->frame_vbuf[i]) < 0)
+				DPRINTK(inst->dev, 1, "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_code = vpu_enc_register_frame_buffer(inst, non_linear_num, fb_stride, fb_height,
+							 COMPRESSED_FRAME_MAP);
+		if (ret_code != RETCODE_SUCCESS) {
+			DPRINTK(inst->dev, 1, "failed to call vpu_enc_register_frame_buffer() : %d\n",
+				ret_code);
+			return -EINVAL;
+		}
+
+		inst->state = VPU_INST_STATE_PIC_RUN;
+	}
+
+	if (inst->state != VPU_INST_STATE_NONE && inst->state != VPU_INST_STATE_OPEN &&
+	    q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		*num_buffers = inst->min_src_frame_buf_count;
+		DPRINTK(inst->dev, 1, "source buffer num : %d", *num_buffers);
+	}
+
+	return 0;
+}
+
+static int vpu_enc_buf_init(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+
+	return 0;
+}
+
+static int vpu_enc_buf_prepare(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+
+	return 0;
+}
+
+static void 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 = to_vpu_buf(vbuf);
+
+	DPRINTK(inst->dev, 1, "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);
+}
+
+static void vpu_enc_buf_finish(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf     = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+}
+
+static void vpu_enc_buf_cleanup(struct vb2_buffer *vb)
+{
+	struct vpu_instance    *inst = vb2_get_drv_priv(vb->vb2_queue);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	DPRINTK(inst->dev, 1, "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));
+}
+
+static int vpu_enc_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+
+	DPRINTK(inst->dev, 1, "type : %d\n", q->type);
+	return 0;
+}
+
+static void vpu_enc_stop_streaming(struct vb2_queue *q)
+{
+	struct vpu_instance *inst = vb2_get_drv_priv(q);
+	struct vb2_v4l2_buffer *buf;
+
+	DPRINTK(inst->dev, 1, "type : %d\n", q->type);
+
+	if (vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) &&
+	    vb2_is_streaming(v4l2_m2m_get_vq(inst->v4l2_fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)))
+		inst->state = VPU_INST_STATE_STOP;
+
+	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((buf = v4l2_m2m_src_buf_remove(inst->v4l2_fh.m2m_ctx))) {
+			DPRINTK(inst->dev, 1, "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))) {
+			DPRINTK(inst->dev, 1, "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 vpu_enc_vb2_ops = {
+	.queue_setup     = vpu_enc_queue_setup,
+	.wait_prepare    = vb2_ops_wait_prepare,
+	.wait_finish     = vb2_ops_wait_finish,
+	.buf_init        = vpu_enc_buf_init,
+	.buf_prepare     = vpu_enc_buf_prepare,
+	.buf_queue       = vpu_enc_buf_queue,
+	.buf_finish      = vpu_enc_buf_finish,
+	.buf_cleanup     = vpu_enc_buf_cleanup,
+	.start_streaming = vpu_enc_start_streaming,
+	.stop_streaming  = vpu_enc_stop_streaming,
+};
+
+static void set_default_format(struct v4l2_pix_format_mplane *src_fmt,
+			       struct v4l2_pix_format_mplane *dst_fmt)
+{
+	src_fmt->pixelformat  = vpu_enc_fmt_list[VPU_FMT_TYPE_RAW][0].v4l2_pix_fmt;
+	src_fmt->field        = V4L2_FIELD_NONE;
+	src_fmt->flags        = 0;
+	src_fmt->num_planes   = vpu_enc_fmt_list[VPU_FMT_TYPE_RAW][0].num_planes;
+	update_resolution_info(src_fmt, 416, 240);
+
+	dst_fmt->pixelformat  = 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   = vpu_enc_fmt_list[VPU_FMT_TYPE_CODEC][0].num_planes;
+	update_resolution_info(dst_fmt, 416, 240);
+}
+
+static int vpu_enc_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+{
+	struct vpu_instance *inst = priv;
+	struct vpu_platform_data *pdata = dev_get_platdata(inst->dev->v4l2_dev.dev);
+	int ret;
+
+	DPRINTK(inst->dev, 1, "\n");
+
+	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+	src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	if (pdata && pdata->mem_ops)
+		src_vq->mem_ops = pdata->mem_ops;
+	else
+		src_vq->mem_ops = &vb2_dma_contig_memops;
+	src_vq->ops = &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;
+	if (pdata && pdata->mem_ops)
+		dst_vq->mem_ops = pdata->mem_ops;
+	else
+		dst_vq->mem_ops = &vb2_dma_contig_memops;
+	dst_vq->ops = &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 vpu_enc_inst_ops = {
+	.start_process  = vpu_enc_start_encode,
+	.stop_process   = vpu_enc_stop_encode,
+	.finish_process = vpu_enc_finish_encode,
+};
+
+static int vpu_enc_open(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;
+
+	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
+	if (!inst)
+		return -ENOMEM;
+
+	inst->dev  = dev;
+	inst->type = VPU_INST_TYPE_ENC;
+	inst->ops  = &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, vpu_enc_queue_init);
+	if (IS_ERR(inst->v4l2_fh.m2m_ctx))
+		return -ENODEV;
+
+	v4l2_ctrl_handler_init(&inst->v4l2_ctrl_hdl, 30);
+	v4l2_ctrl_new_std_menu(&inst->v4l2_ctrl_hdl, &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(&inst->v4l2_ctrl_hdl, &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(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
+			  0, 63, 1, 8);
+	v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP,
+			  0, 63, 1, 51);
+	v4l2_ctrl_new_std_menu(&inst->v4l2_ctrl_hdl, &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(&inst->v4l2_ctrl_hdl, &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(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MIN_QP,
+			  0, 63, 1, 8);
+	v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MAX_QP,
+			  0, 63, 1, 51);
+	v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_HFLIP,  0,   1,  1, 0);
+	v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_VFLIP,  0,   1,  1, 0);
+	v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0);
+	v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops, V4L2_CID_MPEG_VIDEO_VBV_SIZE, 10,
+			  3000, 1, 3000);
+	ctrl = v4l2_ctrl_new_std(&inst->v4l2_ctrl_hdl, &vpu_enc_ctrl_ops,
+				 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 1);
+	if (ctrl)
+		ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+	if (inst->v4l2_ctrl_hdl.error)
+		return -ENODEV;
+
+	inst->v4l2_fh.ctrl_handler = &inst->v4l2_ctrl_hdl;
+	v4l2_ctrl_handler_setup(&inst->v4l2_ctrl_hdl);
+
+	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;
+}
+
+static int vpu_enc_release(struct file *filp)
+{
+	int i;
+	struct vpu_instance *inst = to_vpu_inst(filp->private_data);
+	unsigned int loop_count = 0;
+
+	v4l2_m2m_ctx_release(inst->v4l2_fh.m2m_ctx);
+	if (inst->state != VPU_INST_STATE_NONE) {
+		while (vpu_enc_close(inst) == RETCODE_VPU_STILL_RUNNING) {
+			if (vpu_wait_interrupt(inst, VPU_ENC_TIMEOUT) < 0) {
+				DPRINTK(inst->dev, 1, "failed to call vpu_wait_interrupt()\n");
+				if (loop_count < 10) {
+					loop_count++;
+					continue;
+				} else {
+					DPRINTK(inst->dev, 1, "failed to call vpu_enc_close()\n");
+					break;
+				}
+			}
+		}
+	}
+	for (i = 0; i < inst->min_dst_frame_buf_count; i++) {
+		if (inst->frame_vbuf[i].size != 0)
+			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 vpu_enc_fops = {
+	.owner          = THIS_MODULE,
+	.open           = vpu_enc_open,
+	.release        = vpu_enc_release,
+	.unlocked_ioctl = video_ioctl2,
+	.poll           = v4l2_m2m_fop_poll,
+	.mmap           = v4l2_m2m_fop_mmap,
+};
+
+int vpu_enc_register_device(struct vpu_device *dev)
+{
+	struct video_device *vdev_enc;
+
+	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        = &vpu_enc_fops;
+	vdev_enc->ioctl_ops   = &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;
+
+	if (video_register_device(vdev_enc, VFL_TYPE_VIDEO, -1))
+		return -1;
+
+	video_set_drvdata(vdev_enc, dev);
+
+	return 0;
+}
+
+void vpu_enc_unregister_device(struct vpu_device *dev)
+{
+	video_unregister_device(dev->video_dev_enc);
+}
+
diff --git a/drivers/staging/media/wave5/v4l2/vpu_enc.h b/drivers/staging/media/wave5/v4l2/vpu_enc.h
new file mode 100644
index 000000000000..17397d66ba06
--- /dev/null
+++ b/drivers/staging/media/wave5/v4l2/vpu_enc.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * Wave5 series multi-standard codec IP - encoder interface
+ *
+ * Copyright (C) 2021 CHIPS&MEDIA INC
+ */
+#ifndef __VPU_ENC_DRV_H__
+#define __VPU_ENC_DRV_H__
+
+#include "vpu.h"
+
+#define VPU_ENC_DEV_NAME "C&M VPU encoder"
+#define VPU_ENC_DRV_NAME "vpu-enc"
+
+int  vpu_enc_register_device(struct vpu_device *dev);
+void vpu_enc_unregister_device(struct vpu_device *dev);
+#endif
+
-- 
2.17.1