/*
 * drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
 *
 * Samsung MFC (Multi Function Codec - FIMV) driver
 * This file contains hw related functions.
 *
 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#undef DEBUG

#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/firmware.h>
#include <linux/err.h>
#include <linux/sched.h>
#include <linux/dma-mapping.h>

#include <asm/cacheflush.h>

#include "s5p_mfc_common.h"
#include "s5p_mfc_cmd.h"
#include "s5p_mfc_intr.h"
#include "s5p_mfc_pm.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_opr.h"
#include "s5p_mfc_opr_v6.h"

/* #define S5P_MFC_DEBUG_REGWRITE  */
#ifdef S5P_MFC_DEBUG_REGWRITE
#undef writel
#define writel(v, r)							\
	do {								\
		pr_err("MFCWRITE(%p): %08x\n", r, (unsigned int)v);	\
	__raw_writel(v, r);						\
	} while (0)
#endif /* S5P_MFC_DEBUG_REGWRITE */

#define READL(offset)		readl(dev->regs_base + (offset))
#define WRITEL(data, offset)	writel((data), dev->regs_base + (offset))
#define OFFSETA(x)		(((x) - dev->port_a) >> S5P_FIMV_MEM_OFFSET)
#define OFFSETB(x)		(((x) - dev->port_b) >> S5P_FIMV_MEM_OFFSET)

/* Allocate temporary buffers for decoding */
static int s5p_mfc_alloc_dec_temp_buffers_v6(struct s5p_mfc_ctx *ctx)
{
	/* NOP */

	return 0;
}

/* Release temproary buffers for decoding */
static void s5p_mfc_release_dec_desc_buffer_v6(struct s5p_mfc_ctx *ctx)
{
	/* NOP */
}

/* Allocate codec buffers */
static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned int mb_width, mb_height;
	int ret;

	mb_width = MB_WIDTH(ctx->img_width);
	mb_height = MB_HEIGHT(ctx->img_height);

	if (ctx->type == MFCINST_DECODER) {
		mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
			  ctx->luma_size, ctx->chroma_size, ctx->mv_size);
		mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
	} else if (ctx->type == MFCINST_ENCODER) {
		ctx->tmv_buffer_size = S5P_FIMV_NUM_TMV_BUFFERS_V6 *
			ALIGN(S5P_FIMV_TMV_BUFFER_SIZE_V6(mb_width, mb_height),
			S5P_FIMV_TMV_BUFFER_ALIGN_V6);

		ctx->luma_dpb_size = ALIGN((mb_width * mb_height) *
				S5P_FIMV_LUMA_MB_TO_PIXEL_V6,
				S5P_FIMV_LUMA_DPB_BUFFER_ALIGN_V6);
		ctx->chroma_dpb_size = ALIGN((mb_width * mb_height) *
				S5P_FIMV_CHROMA_MB_TO_PIXEL_V6,
				S5P_FIMV_CHROMA_DPB_BUFFER_ALIGN_V6);
		ctx->me_buffer_size = ALIGN(S5P_FIMV_ME_BUFFER_SIZE_V6(
					ctx->img_width, ctx->img_height,
					mb_width, mb_height),
					S5P_FIMV_ME_BUFFER_ALIGN_V6);

		mfc_debug(2, "recon luma size: %d chroma size: %d\n",
			  ctx->luma_dpb_size, ctx->chroma_dpb_size);
	} else {
		return -EINVAL;
	}

	/* Codecs have different memory requirements */
	switch (ctx->codec_mode) {
	case S5P_MFC_CODEC_H264_DEC:
	case S5P_MFC_CODEC_H264_MVC_DEC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V6(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size =
			ctx->scratch_buf_size +
			(ctx->mv_count * ctx->mv_size);
		break;
	case S5P_MFC_CODEC_MPEG4_DEC:
		if (IS_MFCV7(dev)) {
			ctx->scratch_buf_size =
				S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_DEC_V7(
						mb_width,
						mb_height);
		} else {
			ctx->scratch_buf_size =
				S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_DEC_V6(
						mb_width,
						mb_height);
		}

		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size = ctx->scratch_buf_size;
		break;
	case S5P_MFC_CODEC_VC1RCV_DEC:
	case S5P_MFC_CODEC_VC1_DEC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_VC1_DEC_V6(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size = ctx->scratch_buf_size;
		break;
	case S5P_MFC_CODEC_MPEG2_DEC:
		ctx->bank1.size = 0;
		ctx->bank2.size = 0;
		break;
	case S5P_MFC_CODEC_H263_DEC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_H263_DEC_V6(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size = ctx->scratch_buf_size;
		break;
	case S5P_MFC_CODEC_VP8_DEC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V6(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size = ctx->scratch_buf_size;
		break;
	case S5P_MFC_CODEC_H264_ENC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_H264_ENC_V6(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size =
			ctx->scratch_buf_size + ctx->tmv_buffer_size +
			(ctx->pb_count * (ctx->luma_dpb_size +
			ctx->chroma_dpb_size + ctx->me_buffer_size));
		ctx->bank2.size = 0;
		break;
	case S5P_MFC_CODEC_MPEG4_ENC:
	case S5P_MFC_CODEC_H263_ENC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_ENC_V6(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size =
			ctx->scratch_buf_size + ctx->tmv_buffer_size +
			(ctx->pb_count * (ctx->luma_dpb_size +
			ctx->chroma_dpb_size + ctx->me_buffer_size));
		ctx->bank2.size = 0;
		break;
	case S5P_MFC_CODEC_VP8_ENC:
		ctx->scratch_buf_size =
			S5P_FIMV_SCRATCH_BUF_SIZE_VP8_ENC_V7(
					mb_width,
					mb_height);
		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
		ctx->bank1.size =
			ctx->scratch_buf_size + ctx->tmv_buffer_size +
			(ctx->pb_count * (ctx->luma_dpb_size +
			ctx->chroma_dpb_size + ctx->me_buffer_size));
		ctx->bank2.size = 0;
		break;
	default:
		break;
	}

	/* Allocate only if memory from bank 1 is necessary */
	if (ctx->bank1.size > 0) {
		ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->bank1);
		if (ret) {
			mfc_err("Failed to allocate Bank1 memory\n");
			return ret;
		}
		BUG_ON(ctx->bank1.dma & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
	}
	return 0;
}

/* Release buffers allocated for codec */
static void s5p_mfc_release_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
{
	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->bank1);
}

/* Allocate memory for instance data buffer */
static int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
	int ret;

	mfc_debug_enter();

	switch (ctx->codec_mode) {
	case S5P_MFC_CODEC_H264_DEC:
	case S5P_MFC_CODEC_H264_MVC_DEC:
		ctx->ctx.size = buf_size->h264_dec_ctx;
		break;
	case S5P_MFC_CODEC_MPEG4_DEC:
	case S5P_MFC_CODEC_H263_DEC:
	case S5P_MFC_CODEC_VC1RCV_DEC:
	case S5P_MFC_CODEC_VC1_DEC:
	case S5P_MFC_CODEC_MPEG2_DEC:
	case S5P_MFC_CODEC_VP8_DEC:
		ctx->ctx.size = buf_size->other_dec_ctx;
		break;
	case S5P_MFC_CODEC_H264_ENC:
		ctx->ctx.size = buf_size->h264_enc_ctx;
		break;
	case S5P_MFC_CODEC_MPEG4_ENC:
	case S5P_MFC_CODEC_H263_ENC:
	case S5P_MFC_CODEC_VP8_ENC:
		ctx->ctx.size = buf_size->other_enc_ctx;
		break;
	default:
		ctx->ctx.size = 0;
		mfc_err("Codec type(%d) should be checked!\n", ctx->codec_mode);
		break;
	}

	ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &ctx->ctx);
	if (ret) {
		mfc_err("Failed to allocate instance buffer\n");
		return ret;
	}

	memset(ctx->ctx.virt, 0, ctx->ctx.size);
	wmb();

	mfc_debug_leave();

	return 0;
}

/* Release instance buffer */
static void s5p_mfc_release_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
{
	s5p_mfc_release_priv_buf(ctx->dev->mem_dev_l, &ctx->ctx);
}

/* Allocate context buffers for SYS_INIT */
static int s5p_mfc_alloc_dev_context_buffer_v6(struct s5p_mfc_dev *dev)
{
	struct s5p_mfc_buf_size_v6 *buf_size = dev->variant->buf_size->priv;
	int ret;

	mfc_debug_enter();

	dev->ctx_buf.size = buf_size->dev_ctx;
	ret = s5p_mfc_alloc_priv_buf(dev->mem_dev_l, &dev->ctx_buf);
	if (ret) {
		mfc_err("Failed to allocate device context buffer\n");
		return ret;
	}

	memset(dev->ctx_buf.virt, 0, buf_size->dev_ctx);
	wmb();

	mfc_debug_leave();

	return 0;
}

/* Release context buffers for SYS_INIT */
static void s5p_mfc_release_dev_context_buffer_v6(struct s5p_mfc_dev *dev)
{
	s5p_mfc_release_priv_buf(dev->mem_dev_l, &dev->ctx_buf);
}

static int calc_plane(int width, int height)
{
	int mbX, mbY;

	mbX = DIV_ROUND_UP(width, S5P_FIMV_NUM_PIXELS_IN_MB_ROW_V6);
	mbY = DIV_ROUND_UP(height, S5P_FIMV_NUM_PIXELS_IN_MB_COL_V6);

	if (width * height < S5P_FIMV_MAX_FRAME_SIZE_V6)
		mbY = (mbY + 1) / 2 * 2;

	return (mbX * S5P_FIMV_NUM_PIXELS_IN_MB_COL_V6) *
		(mbY * S5P_FIMV_NUM_PIXELS_IN_MB_ROW_V6);
}

static void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
{
	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN_V6);
	ctx->buf_height = ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN_V6);
	mfc_debug(2, "SEQ Done: Movie dimensions %dx%d,\n"
			"buffer dimensions: %dx%d\n", ctx->img_width,
			ctx->img_height, ctx->buf_width, ctx->buf_height);

	ctx->luma_size = calc_plane(ctx->img_width, ctx->img_height);
	ctx->chroma_size = calc_plane(ctx->img_width, (ctx->img_height >> 1));
	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
		ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
				ctx->img_height);
		ctx->mv_size = ALIGN(ctx->mv_size, 16);
	} else {
		ctx->mv_size = 0;
	}
}

static void s5p_mfc_enc_calc_src_size_v6(struct s5p_mfc_ctx *ctx)
{
	unsigned int mb_width, mb_height;

	mb_width = MB_WIDTH(ctx->img_width);
	mb_height = MB_HEIGHT(ctx->img_height);

	ctx->buf_width = ALIGN(ctx->img_width, S5P_FIMV_NV12M_HALIGN_V6);
	ctx->luma_size = ALIGN((mb_width * mb_height) * 256, 256);
	ctx->chroma_size = ALIGN((mb_width * mb_height) * 128, 256);

	/* MFCv7 needs pad bytes for Luma and Chroma */
	if (IS_MFCV7(ctx->dev)) {
		ctx->luma_size += MFC_LUMA_PAD_BYTES_V7;
		ctx->chroma_size += MFC_CHROMA_PAD_BYTES_V7;
	}
}

/* Set registers for decoding stream buffer */
static int s5p_mfc_set_dec_stream_buffer_v6(struct s5p_mfc_ctx *ctx,
			int buf_addr, unsigned int start_num_byte,
			unsigned int strm_size)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;

	mfc_debug_enter();
	mfc_debug(2, "inst_no: %d, buf_addr: 0x%08x,\n"
		"buf_size: 0x%08x (%d)\n",
		ctx->inst_no, buf_addr, strm_size, strm_size);
	WRITEL(strm_size, S5P_FIMV_D_STREAM_DATA_SIZE_V6);
	WRITEL(buf_addr, S5P_FIMV_D_CPB_BUFFER_ADDR_V6);
	WRITEL(buf_size->cpb, S5P_FIMV_D_CPB_BUFFER_SIZE_V6);
	WRITEL(start_num_byte, S5P_FIMV_D_CPB_BUFFER_OFFSET_V6);

	mfc_debug_leave();
	return 0;
}

/* Set decoding frame buffer */
static int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx)
{
	unsigned int frame_size, i;
	unsigned int frame_size_ch, frame_size_mv;
	struct s5p_mfc_dev *dev = ctx->dev;
	size_t buf_addr1;
	int buf_size1;
	int align_gap;

	buf_addr1 = ctx->bank1.dma;
	buf_size1 = ctx->bank1.size;

	mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);
	mfc_debug(2, "Total DPB COUNT: %d\n", ctx->total_dpb_count);
	mfc_debug(2, "Setting display delay to %d\n", ctx->display_delay);

	WRITEL(ctx->total_dpb_count, S5P_FIMV_D_NUM_DPB_V6);
	WRITEL(ctx->luma_size, S5P_FIMV_D_LUMA_DPB_SIZE_V6);
	WRITEL(ctx->chroma_size, S5P_FIMV_D_CHROMA_DPB_SIZE_V6);

	WRITEL(buf_addr1, S5P_FIMV_D_SCRATCH_BUFFER_ADDR_V6);
	WRITEL(ctx->scratch_buf_size, S5P_FIMV_D_SCRATCH_BUFFER_SIZE_V6);
	buf_addr1 += ctx->scratch_buf_size;
	buf_size1 -= ctx->scratch_buf_size;

	if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC ||
			ctx->codec_mode == S5P_FIMV_CODEC_H264_MVC_DEC){
		WRITEL(ctx->mv_size, S5P_FIMV_D_MV_BUFFER_SIZE_V6);
		WRITEL(ctx->mv_count, S5P_FIMV_D_NUM_MV_V6);
	}

	frame_size = ctx->luma_size;
	frame_size_ch = ctx->chroma_size;
	frame_size_mv = ctx->mv_size;
	mfc_debug(2, "Frame size: %d ch: %d mv: %d\n",
			frame_size, frame_size_ch, frame_size_mv);

	for (i = 0; i < ctx->total_dpb_count; i++) {
		/* Bank2 */
		mfc_debug(2, "Luma %d: %x\n", i,
					ctx->dst_bufs[i].cookie.raw.luma);
		WRITEL(ctx->dst_bufs[i].cookie.raw.luma,
				S5P_FIMV_D_LUMA_DPB_V6 + i * 4);
		mfc_debug(2, "\tChroma %d: %x\n", i,
					ctx->dst_bufs[i].cookie.raw.chroma);
		WRITEL(ctx->dst_bufs[i].cookie.raw.chroma,
				S5P_FIMV_D_CHROMA_DPB_V6 + i * 4);
	}
	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
		for (i = 0; i < ctx->mv_count; i++) {
			/* To test alignment */
			align_gap = buf_addr1;
			buf_addr1 = ALIGN(buf_addr1, 16);
			align_gap = buf_addr1 - align_gap;
			buf_size1 -= align_gap;

			mfc_debug(2, "\tBuf1: %x, size: %d\n",
					buf_addr1, buf_size1);
			WRITEL(buf_addr1, S5P_FIMV_D_MV_BUFFER_V6 + i * 4);
			buf_addr1 += frame_size_mv;
			buf_size1 -= frame_size_mv;
		}
	}

	mfc_debug(2, "Buf1: %u, buf_size1: %d (frames %d)\n",
			buf_addr1, buf_size1, ctx->total_dpb_count);
	if (buf_size1 < 0) {
		mfc_debug(2, "Not enough memory has been allocated.\n");
		return -ENOMEM;
	}

	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
			S5P_FIMV_CH_INIT_BUFS_V6, NULL);

	mfc_debug(2, "After setting buffers.\n");
	return 0;
}

/* Set registers for encoding stream buffer */
static int s5p_mfc_set_enc_stream_buffer_v6(struct s5p_mfc_ctx *ctx,
		unsigned long addr, unsigned int size)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	WRITEL(addr, S5P_FIMV_E_STREAM_BUFFER_ADDR_V6); /* 16B align */
	WRITEL(size, S5P_FIMV_E_STREAM_BUFFER_SIZE_V6);

	mfc_debug(2, "stream buf addr: 0x%08lx, size: 0x%d\n",
		  addr, size);

	return 0;
}

static void s5p_mfc_set_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
		unsigned long y_addr, unsigned long c_addr)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	if (IS_MFCV7(dev)) {
		WRITEL(y_addr, S5P_FIMV_E_SOURCE_FIRST_ADDR_V7);
		WRITEL(c_addr, S5P_FIMV_E_SOURCE_SECOND_ADDR_V7);
	} else {
		WRITEL(y_addr, S5P_FIMV_E_SOURCE_LUMA_ADDR_V6);
		WRITEL(c_addr, S5P_FIMV_E_SOURCE_CHROMA_ADDR_V6);
	}

	mfc_debug(2, "enc src y buf addr: 0x%08lx\n", y_addr);
	mfc_debug(2, "enc src c buf addr: 0x%08lx\n", c_addr);
}

static void s5p_mfc_get_enc_frame_buffer_v6(struct s5p_mfc_ctx *ctx,
		unsigned long *y_addr, unsigned long *c_addr)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned long enc_recon_y_addr, enc_recon_c_addr;

	if (IS_MFCV7(dev)) {
		*y_addr = READL(S5P_FIMV_E_ENCODED_SOURCE_FIRST_ADDR_V7);
		*c_addr = READL(S5P_FIMV_E_ENCODED_SOURCE_SECOND_ADDR_V7);
	} else {
		*y_addr = READL(S5P_FIMV_E_ENCODED_SOURCE_LUMA_ADDR_V6);
		*c_addr = READL(S5P_FIMV_E_ENCODED_SOURCE_CHROMA_ADDR_V6);
	}

	enc_recon_y_addr = READL(S5P_FIMV_E_RECON_LUMA_DPB_ADDR_V6);
	enc_recon_c_addr = READL(S5P_FIMV_E_RECON_CHROMA_DPB_ADDR_V6);

	mfc_debug(2, "recon y addr: 0x%08lx\n", enc_recon_y_addr);
	mfc_debug(2, "recon c addr: 0x%08lx\n", enc_recon_c_addr);
}

/* Set encoding ref & codec buffer */
static int s5p_mfc_set_enc_ref_buffer_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	size_t buf_addr1;
	int i, buf_size1;

	mfc_debug_enter();

	buf_addr1 = ctx->bank1.dma;
	buf_size1 = ctx->bank1.size;

	mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);

	for (i = 0; i < ctx->pb_count; i++) {
		WRITEL(buf_addr1, S5P_FIMV_E_LUMA_DPB_V6 + (4 * i));
		buf_addr1 += ctx->luma_dpb_size;
		WRITEL(buf_addr1, S5P_FIMV_E_CHROMA_DPB_V6 + (4 * i));
		buf_addr1 += ctx->chroma_dpb_size;
		WRITEL(buf_addr1, S5P_FIMV_E_ME_BUFFER_V6 + (4 * i));
		buf_addr1 += ctx->me_buffer_size;
		buf_size1 -= (ctx->luma_dpb_size + ctx->chroma_dpb_size +
			ctx->me_buffer_size);
	}

	WRITEL(buf_addr1, S5P_FIMV_E_SCRATCH_BUFFER_ADDR_V6);
	WRITEL(ctx->scratch_buf_size, S5P_FIMV_E_SCRATCH_BUFFER_SIZE_V6);
	buf_addr1 += ctx->scratch_buf_size;
	buf_size1 -= ctx->scratch_buf_size;

	WRITEL(buf_addr1, S5P_FIMV_E_TMV_BUFFER0_V6);
	buf_addr1 += ctx->tmv_buffer_size >> 1;
	WRITEL(buf_addr1, S5P_FIMV_E_TMV_BUFFER1_V6);
	buf_addr1 += ctx->tmv_buffer_size >> 1;
	buf_size1 -= ctx->tmv_buffer_size;

	mfc_debug(2, "Buf1: %u, buf_size1: %d (ref frames %d)\n",
			buf_addr1, buf_size1, ctx->pb_count);
	if (buf_size1 < 0) {
		mfc_debug(2, "Not enough memory has been allocated.\n");
		return -ENOMEM;
	}

	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
			S5P_FIMV_CH_INIT_BUFS_V6, NULL);

	mfc_debug_leave();

	return 0;
}

static int s5p_mfc_set_slice_mode(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	/* multi-slice control */
	/* multi-slice MB number or bit size */
	WRITEL(ctx->slice_mode, S5P_FIMV_E_MSLICE_MODE_V6);
	if (ctx->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
		WRITEL(ctx->slice_size.mb, S5P_FIMV_E_MSLICE_SIZE_MB_V6);
	} else if (ctx->slice_mode ==
			V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
		WRITEL(ctx->slice_size.bits, S5P_FIMV_E_MSLICE_SIZE_BITS_V6);
	} else {
		WRITEL(0x0, S5P_FIMV_E_MSLICE_SIZE_MB_V6);
		WRITEL(0x0, S5P_FIMV_E_MSLICE_SIZE_BITS_V6);
	}

	return 0;
}

static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_enc_params *p = &ctx->enc_params;
	unsigned int reg = 0;

	mfc_debug_enter();

	/* width */
	WRITEL(ctx->img_width, S5P_FIMV_E_FRAME_WIDTH_V6); /* 16 align */
	/* height */
	WRITEL(ctx->img_height, S5P_FIMV_E_FRAME_HEIGHT_V6); /* 16 align */

	/* cropped width */
	WRITEL(ctx->img_width, S5P_FIMV_E_CROPPED_FRAME_WIDTH_V6);
	/* cropped height */
	WRITEL(ctx->img_height, S5P_FIMV_E_CROPPED_FRAME_HEIGHT_V6);
	/* cropped offset */
	WRITEL(0x0, S5P_FIMV_E_FRAME_CROP_OFFSET_V6);

	/* pictype : IDR period */
	reg = 0;
	reg |= p->gop_size & 0xFFFF;
	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);

	/* multi-slice control */
	/* multi-slice MB number or bit size */
	ctx->slice_mode = p->slice_mode;
	reg = 0;
	if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
		reg |= (0x1 << 3);
		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
		ctx->slice_size.mb = p->slice_mb;
	} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
		reg |= (0x1 << 3);
		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
		ctx->slice_size.bits = p->slice_bit;
	} else {
		reg &= ~(0x1 << 3);
		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
	}

	s5p_mfc_set_slice_mode(ctx);

	/* cyclic intra refresh */
	WRITEL(p->intra_refresh_mb, S5P_FIMV_E_IR_SIZE_V6);
	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
	if (p->intra_refresh_mb == 0)
		reg &= ~(0x1 << 4);
	else
		reg |= (0x1 << 4);
	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);

	/* 'NON_REFERENCE_STORE_ENABLE' for debugging */
	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
	reg &= ~(0x1 << 9);
	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);

	/* memory structure cur. frame */
	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M) {
		/* 0: Linear, 1: 2D tiled*/
		reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
		reg &= ~(0x1 << 7);
		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
		/* 0: NV12(CbCr), 1: NV21(CrCb) */
		WRITEL(0x0, S5P_FIMV_PIXEL_FORMAT_V6);
	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV21M) {
		/* 0: Linear, 1: 2D tiled*/
		reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
		reg &= ~(0x1 << 7);
		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
		/* 0: NV12(CbCr), 1: NV21(CrCb) */
		WRITEL(0x1, S5P_FIMV_PIXEL_FORMAT_V6);
	} else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16) {
		/* 0: Linear, 1: 2D tiled*/
		reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
		reg |= (0x1 << 7);
		WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);
		/* 0: NV12(CbCr), 1: NV21(CrCb) */
		WRITEL(0x0, S5P_FIMV_PIXEL_FORMAT_V6);
	}

	/* memory structure recon. frame */
	/* 0: Linear, 1: 2D tiled */
	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
	reg |= (0x1 << 8);
	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);

	/* padding control & value */
	WRITEL(0x0, S5P_FIMV_E_PADDING_CTRL_V6);
	if (p->pad) {
		reg = 0;
		/** enable */
		reg |= (1 << 31);
		/** cr value */
		reg |= ((p->pad_cr & 0xFF) << 16);
		/** cb value */
		reg |= ((p->pad_cb & 0xFF) << 8);
		/** y value */
		reg |= p->pad_luma & 0xFF;
		WRITEL(reg, S5P_FIMV_E_PADDING_CTRL_V6);
	}

	/* rate control config. */
	reg = 0;
	/* frame-level rate control */
	reg |= ((p->rc_frame & 0x1) << 9);
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* bit rate */
	if (p->rc_frame)
		WRITEL(p->rc_bitrate,
			S5P_FIMV_E_RC_BIT_RATE_V6);
	else
		WRITEL(1, S5P_FIMV_E_RC_BIT_RATE_V6);

	/* reaction coefficient */
	if (p->rc_frame) {
		if (p->rc_reaction_coeff < TIGHT_CBR_MAX) /* tight CBR */
			WRITEL(1, S5P_FIMV_E_RC_RPARAM_V6);
		else					  /* loose CBR */
			WRITEL(2, S5P_FIMV_E_RC_RPARAM_V6);
	}

	/* seq header ctrl */
	reg = READL(S5P_FIMV_E_ENC_OPTIONS_V6);
	reg &= ~(0x1 << 2);
	reg |= ((p->seq_hdr_mode & 0x1) << 2);

	/* frame skip mode */
	reg &= ~(0x3);
	reg |= (p->frame_skip_mode & 0x3);
	WRITEL(reg, S5P_FIMV_E_ENC_OPTIONS_V6);

	/* 'DROP_CONTROL_ENABLE', disable */
	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
	reg &= ~(0x1 << 10);
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* setting for MV range [16, 256] */
	reg = (p->mv_h_range & S5P_FIMV_E_MV_RANGE_V6_MASK);
	WRITEL(reg, S5P_FIMV_E_MV_HOR_RANGE_V6);

	reg = (p->mv_v_range & S5P_FIMV_E_MV_RANGE_V6_MASK);
	WRITEL(reg, S5P_FIMV_E_MV_VER_RANGE_V6);

	WRITEL(0x0, S5P_FIMV_E_FRAME_INSERTION_V6);
	WRITEL(0x0, S5P_FIMV_E_ROI_BUFFER_ADDR_V6);
	WRITEL(0x0, S5P_FIMV_E_PARAM_CHANGE_V6);
	WRITEL(0x0, S5P_FIMV_E_RC_ROI_CTRL_V6);
	WRITEL(0x0, S5P_FIMV_E_PICTURE_TAG_V6);

	WRITEL(0x0, S5P_FIMV_E_BIT_COUNT_ENABLE_V6);
	WRITEL(0x0, S5P_FIMV_E_MAX_BIT_COUNT_V6);
	WRITEL(0x0, S5P_FIMV_E_MIN_BIT_COUNT_V6);

	WRITEL(0x0, S5P_FIMV_E_METADATA_BUFFER_ADDR_V6);
	WRITEL(0x0, S5P_FIMV_E_METADATA_BUFFER_SIZE_V6);

	mfc_debug_leave();

	return 0;
}

static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_enc_params *p = &ctx->enc_params;
	struct s5p_mfc_h264_enc_params *p_h264 = &p->codec.h264;
	unsigned int reg = 0;
	int i;

	mfc_debug_enter();

	s5p_mfc_set_enc_params(ctx);

	/* pictype : number of B */
	reg = READL(S5P_FIMV_E_GOP_CONFIG_V6);
	reg &= ~(0x3 << 16);
	reg |= ((p->num_b_frame & 0x3) << 16);
	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);

	/* profile & level */
	reg = 0;
	/** level */
	reg |= ((p_h264->level & 0xFF) << 8);
	/** profile - 0 ~ 3 */
	reg |= p_h264->profile & 0x3F;
	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);

	/* rate control config. */
	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
	/** macroblock level rate control */
	reg &= ~(0x1 << 8);
	reg |= ((p->rc_mb & 0x1) << 8);
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
	/** frame QP */
	reg &= ~(0x3F);
	reg |= p_h264->rc_frame_qp & 0x3F;
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* max & min value of QP */
	reg = 0;
	/** max QP */
	reg |= ((p_h264->rc_max_qp & 0x3F) << 8);
	/** min QP */
	reg |= p_h264->rc_min_qp & 0x3F;
	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);

	/* other QPs */
	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	if (!p->rc_frame && !p->rc_mb) {
		reg = 0;
		reg |= ((p_h264->rc_b_frame_qp & 0x3F) << 16);
		reg |= ((p_h264->rc_p_frame_qp & 0x3F) << 8);
		reg |= p_h264->rc_frame_qp & 0x3F;
		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	}

	/* frame rate */
	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
		reg = 0;
		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
		reg |= p->rc_framerate_denom & 0xFFFF;
		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
	}

	/* vbv buffer size */
	if (p->frame_skip_mode ==
			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
		WRITEL(p_h264->cpb_size & 0xFFFF,
				S5P_FIMV_E_VBV_BUFFER_SIZE_V6);

		if (p->rc_frame)
			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
	}

	/* interlace */
	reg = 0;
	reg |= ((p_h264->interlace & 0x1) << 3);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* height */
	if (p_h264->interlace) {
		WRITEL(ctx->img_height >> 1,
				S5P_FIMV_E_FRAME_HEIGHT_V6); /* 32 align */
		/* cropped height */
		WRITEL(ctx->img_height >> 1,
				S5P_FIMV_E_CROPPED_FRAME_HEIGHT_V6);
	}

	/* loop filter ctrl */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x3 << 1);
	reg |= ((p_h264->loop_filter_mode & 0x3) << 1);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* loopfilter alpha offset */
	if (p_h264->loop_filter_alpha < 0) {
		reg = 0x10;
		reg |= (0xFF - p_h264->loop_filter_alpha) + 1;
	} else {
		reg = 0x00;
		reg |= (p_h264->loop_filter_alpha & 0xF);
	}
	WRITEL(reg, S5P_FIMV_E_H264_LF_ALPHA_OFFSET_V6);

	/* loopfilter beta offset */
	if (p_h264->loop_filter_beta < 0) {
		reg = 0x10;
		reg |= (0xFF - p_h264->loop_filter_beta) + 1;
	} else {
		reg = 0x00;
		reg |= (p_h264->loop_filter_beta & 0xF);
	}
	WRITEL(reg, S5P_FIMV_E_H264_LF_BETA_OFFSET_V6);

	/* entropy coding mode */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1);
	reg |= p_h264->entropy_mode & 0x1;
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* number of ref. picture */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 7);
	reg |= (((p_h264->num_ref_pic_4p - 1) & 0x1) << 7);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* 8x8 transform enable */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x3 << 12);
	reg |= ((p_h264->_8x8_transform & 0x3) << 12);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* macroblock adaptive scaling features */
	WRITEL(0x0, S5P_FIMV_E_MB_RC_CONFIG_V6);
	if (p->rc_mb) {
		reg = 0;
		/** dark region */
		reg |= ((p_h264->rc_mb_dark & 0x1) << 3);
		/** smooth region */
		reg |= ((p_h264->rc_mb_smooth & 0x1) << 2);
		/** static region */
		reg |= ((p_h264->rc_mb_static & 0x1) << 1);
		/** high activity region */
		reg |= p_h264->rc_mb_activity & 0x1;
		WRITEL(reg, S5P_FIMV_E_MB_RC_CONFIG_V6);
	}

	/* aspect ratio VUI */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 5);
	reg |= ((p_h264->vui_sar & 0x1) << 5);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	WRITEL(0x0, S5P_FIMV_E_ASPECT_RATIO_V6);
	WRITEL(0x0, S5P_FIMV_E_EXTENDED_SAR_V6);
	if (p_h264->vui_sar) {
		/* aspect ration IDC */
		reg = 0;
		reg |= p_h264->vui_sar_idc & 0xFF;
		WRITEL(reg, S5P_FIMV_E_ASPECT_RATIO_V6);
		if (p_h264->vui_sar_idc == 0xFF) {
			/* extended SAR */
			reg = 0;
			reg |= (p_h264->vui_ext_sar_width & 0xFFFF) << 16;
			reg |= p_h264->vui_ext_sar_height & 0xFFFF;
			WRITEL(reg, S5P_FIMV_E_EXTENDED_SAR_V6);
		}
	}

	/* intra picture period for H.264 open GOP */
	/* control */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 4);
	reg |= ((p_h264->open_gop & 0x1) << 4);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
	/* value */
	WRITEL(0x0, S5P_FIMV_E_H264_I_PERIOD_V6);
	if (p_h264->open_gop) {
		reg = 0;
		reg |= p_h264->open_gop_size & 0xFFFF;
		WRITEL(reg, S5P_FIMV_E_H264_I_PERIOD_V6);
	}

	/* 'WEIGHTED_BI_PREDICTION' for B is disable */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x3 << 9);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* 'CONSTRAINED_INTRA_PRED_ENABLE' is disable */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 14);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* ASO */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 6);
	reg |= ((p_h264->aso & 0x1) << 6);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);

	/* hier qp enable */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 8);
	reg |= ((p_h264->open_gop & 0x1) << 8);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
	reg = 0;
	if (p_h264->hier_qp && p_h264->hier_qp_layer) {
		reg |= (p_h264->hier_qp_type & 0x1) << 0x3;
		reg |= p_h264->hier_qp_layer & 0x7;
		WRITEL(reg, S5P_FIMV_E_H264_NUM_T_LAYER_V6);
		/* QP value for each layer */
		for (i = 0; i < (p_h264->hier_qp_layer & 0x7); i++)
			WRITEL(p_h264->hier_qp_layer_qp[i],
				S5P_FIMV_E_H264_HIERARCHICAL_QP_LAYER0_V6 +
				i * 4);
	}
	/* number of coding layer should be zero when hierarchical is disable */
	WRITEL(reg, S5P_FIMV_E_H264_NUM_T_LAYER_V6);

	/* frame packing SEI generation */
	reg = READL(S5P_FIMV_E_H264_OPTIONS_V6);
	reg &= ~(0x1 << 25);
	reg |= ((p_h264->sei_frame_packing & 0x1) << 25);
	WRITEL(reg, S5P_FIMV_E_H264_OPTIONS_V6);
	if (p_h264->sei_frame_packing) {
		reg = 0;
		/** current frame0 flag */
		reg |= ((p_h264->sei_fp_curr_frame_0 & 0x1) << 2);
		/** arrangement type */
		reg |= p_h264->sei_fp_arrangement_type & 0x3;
		WRITEL(reg, S5P_FIMV_E_H264_FRAME_PACKING_SEI_INFO_V6);
	}

	if (p_h264->fmo) {
		switch (p_h264->fmo_map_type) {
		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES:
			if (p_h264->fmo_slice_grp > 4)
				p_h264->fmo_slice_grp = 4;
			for (i = 0; i < (p_h264->fmo_slice_grp & 0xF); i++)
				WRITEL(p_h264->fmo_run_len[i] - 1,
				S5P_FIMV_E_H264_FMO_RUN_LENGTH_MINUS1_0_V6 +
				i * 4);
			break;
		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES:
			if (p_h264->fmo_slice_grp > 4)
				p_h264->fmo_slice_grp = 4;
			break;
		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN:
		case V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN:
			if (p_h264->fmo_slice_grp > 2)
				p_h264->fmo_slice_grp = 2;
			WRITEL(p_h264->fmo_chg_dir & 0x1,
				S5P_FIMV_E_H264_FMO_SLICE_GRP_CHANGE_DIR_V6);
			/* the valid range is 0 ~ number of macroblocks -1 */
			WRITEL(p_h264->fmo_chg_rate,
				S5P_FIMV_E_H264_FMO_SLICE_GRP_CHANGE_RATE_MINUS1_V6);
			break;
		default:
			mfc_err("Unsupported map type for FMO: %d\n",
					p_h264->fmo_map_type);
			p_h264->fmo_map_type = 0;
			p_h264->fmo_slice_grp = 1;
			break;
		}

		WRITEL(p_h264->fmo_map_type,
				S5P_FIMV_E_H264_FMO_SLICE_GRP_MAP_TYPE_V6);
		WRITEL(p_h264->fmo_slice_grp - 1,
				S5P_FIMV_E_H264_FMO_NUM_SLICE_GRP_MINUS1_V6);
	} else {
		WRITEL(0, S5P_FIMV_E_H264_FMO_NUM_SLICE_GRP_MINUS1_V6);
	}

	mfc_debug_leave();

	return 0;
}

static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_enc_params *p = &ctx->enc_params;
	struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
	unsigned int reg = 0;

	mfc_debug_enter();

	s5p_mfc_set_enc_params(ctx);

	/* pictype : number of B */
	reg = READL(S5P_FIMV_E_GOP_CONFIG_V6);
	reg &= ~(0x3 << 16);
	reg |= ((p->num_b_frame & 0x3) << 16);
	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);

	/* profile & level */
	reg = 0;
	/** level */
	reg |= ((p_mpeg4->level & 0xFF) << 8);
	/** profile - 0 ~ 1 */
	reg |= p_mpeg4->profile & 0x3F;
	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);

	/* rate control config. */
	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
	/** macroblock level rate control */
	reg &= ~(0x1 << 8);
	reg |= ((p->rc_mb & 0x1) << 8);
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
	/** frame QP */
	reg &= ~(0x3F);
	reg |= p_mpeg4->rc_frame_qp & 0x3F;
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* max & min value of QP */
	reg = 0;
	/** max QP */
	reg |= ((p_mpeg4->rc_max_qp & 0x3F) << 8);
	/** min QP */
	reg |= p_mpeg4->rc_min_qp & 0x3F;
	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);

	/* other QPs */
	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	if (!p->rc_frame && !p->rc_mb) {
		reg = 0;
		reg |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 16);
		reg |= ((p_mpeg4->rc_p_frame_qp & 0x3F) << 8);
		reg |= p_mpeg4->rc_frame_qp & 0x3F;
		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	}

	/* frame rate */
	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
		reg = 0;
		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
		reg |= p->rc_framerate_denom & 0xFFFF;
		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
	}

	/* vbv buffer size */
	if (p->frame_skip_mode ==
			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
		WRITEL(p->vbv_size & 0xFFFF, S5P_FIMV_E_VBV_BUFFER_SIZE_V6);

		if (p->rc_frame)
			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
	}

	/* Disable HEC */
	WRITEL(0x0, S5P_FIMV_E_MPEG4_OPTIONS_V6);
	WRITEL(0x0, S5P_FIMV_E_MPEG4_HEC_PERIOD_V6);

	mfc_debug_leave();

	return 0;
}

static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_enc_params *p = &ctx->enc_params;
	struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
	unsigned int reg = 0;

	mfc_debug_enter();

	s5p_mfc_set_enc_params(ctx);

	/* profile & level */
	reg = 0;
	/** profile */
	reg |= (0x1 << 4);
	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);

	/* rate control config. */
	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
	/** macroblock level rate control */
	reg &= ~(0x1 << 8);
	reg |= ((p->rc_mb & 0x1) << 8);
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);
	/** frame QP */
	reg &= ~(0x3F);
	reg |= p_h263->rc_frame_qp & 0x3F;
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* max & min value of QP */
	reg = 0;
	/** max QP */
	reg |= ((p_h263->rc_max_qp & 0x3F) << 8);
	/** min QP */
	reg |= p_h263->rc_min_qp & 0x3F;
	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);

	/* other QPs */
	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	if (!p->rc_frame && !p->rc_mb) {
		reg = 0;
		reg |= ((p_h263->rc_b_frame_qp & 0x3F) << 16);
		reg |= ((p_h263->rc_p_frame_qp & 0x3F) << 8);
		reg |= p_h263->rc_frame_qp & 0x3F;
		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	}

	/* frame rate */
	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
		reg = 0;
		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
		reg |= p->rc_framerate_denom & 0xFFFF;
		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
	}

	/* vbv buffer size */
	if (p->frame_skip_mode ==
			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
		WRITEL(p->vbv_size & 0xFFFF, S5P_FIMV_E_VBV_BUFFER_SIZE_V6);

		if (p->rc_frame)
			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
	}

	mfc_debug_leave();

	return 0;
}

static int s5p_mfc_set_enc_params_vp8(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_enc_params *p = &ctx->enc_params;
	struct s5p_mfc_vp8_enc_params *p_vp8 = &p->codec.vp8;
	unsigned int reg = 0;
	unsigned int val = 0;

	mfc_debug_enter();

	s5p_mfc_set_enc_params(ctx);

	/* pictype : number of B */
	reg = READL(S5P_FIMV_E_GOP_CONFIG_V6);
	reg &= ~(0x3 << 16);
	reg |= ((p->num_b_frame & 0x3) << 16);
	WRITEL(reg, S5P_FIMV_E_GOP_CONFIG_V6);

	/* profile - 0 ~ 3 */
	reg = p_vp8->profile & 0x3;
	WRITEL(reg, S5P_FIMV_E_PICTURE_PROFILE_V6);

	/* rate control config. */
	reg = READL(S5P_FIMV_E_RC_CONFIG_V6);
	/** macroblock level rate control */
	reg &= ~(0x1 << 8);
	reg |= ((p->rc_mb & 0x1) << 8);
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* frame rate */
	if (p->rc_frame && p->rc_framerate_num && p->rc_framerate_denom) {
		reg = 0;
		reg |= ((p->rc_framerate_num & 0xFFFF) << 16);
		reg |= p->rc_framerate_denom & 0xFFFF;
		WRITEL(reg, S5P_FIMV_E_RC_FRAME_RATE_V6);
	}

	/* frame QP */
	reg &= ~(0x7F);
	reg |= p_vp8->rc_frame_qp & 0x7F;
	WRITEL(reg, S5P_FIMV_E_RC_CONFIG_V6);

	/* other QPs */
	WRITEL(0x0, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	if (!p->rc_frame && !p->rc_mb) {
		reg = 0;
		reg |= ((p_vp8->rc_p_frame_qp & 0x7F) << 8);
		reg |= p_vp8->rc_frame_qp & 0x7F;
		WRITEL(reg, S5P_FIMV_E_FIXED_PICTURE_QP_V6);
	}

	/* max QP */
	reg = ((p_vp8->rc_max_qp & 0x7F) << 8);
	/* min QP */
	reg |= p_vp8->rc_min_qp & 0x7F;
	WRITEL(reg, S5P_FIMV_E_RC_QP_BOUND_V6);

	/* vbv buffer size */
	if (p->frame_skip_mode ==
			V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
		WRITEL(p->vbv_size & 0xFFFF, S5P_FIMV_E_VBV_BUFFER_SIZE_V6);

		if (p->rc_frame)
			WRITEL(p->vbv_delay, S5P_FIMV_E_VBV_INIT_DELAY_V6);
	}

	/* VP8 specific params */
	reg = 0;
	reg |= (p_vp8->imd_4x4 & 0x1) << 10;
	switch (p_vp8->num_partitions) {
	case V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION:
		val = 0;
		break;
	case V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS:
		val = 2;
		break;
	case V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS:
		val = 4;
		break;
	case V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS:
		val = 8;
		break;
	}
	reg |= (val & 0xF) << 3;
	reg |= (p_vp8->num_ref & 0x2);
	WRITEL(reg, S5P_FIMV_E_VP8_OPTIONS_V7);

	mfc_debug_leave();

	return 0;
}

/* Initialize decoding */
static int s5p_mfc_init_decode_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned int reg = 0;
	int fmo_aso_ctrl = 0;

	mfc_debug_enter();
	mfc_debug(2, "InstNo: %d/%d\n", ctx->inst_no,
			S5P_FIMV_CH_SEQ_HEADER_V6);
	mfc_debug(2, "BUFs: %08x %08x %08x\n",
		  READL(S5P_FIMV_D_CPB_BUFFER_ADDR_V6),
		  READL(S5P_FIMV_D_CPB_BUFFER_ADDR_V6),
		  READL(S5P_FIMV_D_CPB_BUFFER_ADDR_V6));

	/* FMO_ASO_CTRL - 0: Enable, 1: Disable */
	reg |= (fmo_aso_ctrl << S5P_FIMV_D_OPT_FMO_ASO_CTRL_MASK_V6);

	/* When user sets desplay_delay to 0,
	 * It works as "display_delay enable" and delay set to 0.
	 * If user wants display_delay disable, It should be
	 * set to negative value. */
	if (ctx->display_delay >= 0) {
		reg |= (0x1 << S5P_FIMV_D_OPT_DDELAY_EN_SHIFT_V6);
		WRITEL(ctx->display_delay, S5P_FIMV_D_DISPLAY_DELAY_V6);
	}

	if (IS_MFCV7(dev)) {
		WRITEL(reg, S5P_FIMV_D_DEC_OPTIONS_V6);
		reg = 0;
	}

	/* Setup loop filter, for decoding this is only valid for MPEG4 */
	if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_DEC) {
		mfc_debug(2, "Set loop filter to: %d\n",
				ctx->loop_filter_mpeg4);
		reg |= (ctx->loop_filter_mpeg4 <<
				S5P_FIMV_D_OPT_LF_CTRL_SHIFT_V6);
	}
	if (ctx->dst_fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)
		reg |= (0x1 << S5P_FIMV_D_OPT_TILE_MODE_SHIFT_V6);

	if (IS_MFCV7(dev))
		WRITEL(reg, S5P_FIMV_D_INIT_BUFFER_OPTIONS_V7);
	else
		WRITEL(reg, S5P_FIMV_D_DEC_OPTIONS_V6);

	/* 0: NV12(CbCr), 1: NV21(CrCb) */
	if (ctx->dst_fmt->fourcc == V4L2_PIX_FMT_NV21M)
		WRITEL(0x1, S5P_FIMV_PIXEL_FORMAT_V6);
	else
		WRITEL(0x0, S5P_FIMV_PIXEL_FORMAT_V6);


	/* sei parse */
	WRITEL(ctx->sei_fp_parse & 0x1, S5P_FIMV_D_SEI_ENABLE_V6);

	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
			S5P_FIMV_CH_SEQ_HEADER_V6, NULL);

	mfc_debug_leave();
	return 0;
}

static inline void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	if (flush) {
		dev->curr_ctx = ctx->num;
		s5p_mfc_clean_ctx_int_flags(ctx);
		WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
		s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
				S5P_FIMV_H2R_CMD_FLUSH_V6, NULL);
	}
}

/* Decode a single frame */
static int s5p_mfc_decode_one_frame_v6(struct s5p_mfc_ctx *ctx,
			enum s5p_mfc_decode_arg last_frame)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	WRITEL(ctx->dec_dst_flag, S5P_FIMV_D_AVAILABLE_DPB_FLAG_LOWER_V6);
	WRITEL(ctx->slice_interface & 0x1, S5P_FIMV_D_SLICE_IF_ENABLE_V6);

	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
	/* Issue different commands to instance basing on whether it
	 * is the last frame or not. */
	switch (last_frame) {
	case 0:
		s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
				S5P_FIMV_CH_FRAME_START_V6, NULL);
		break;
	case 1:
		s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
				S5P_FIMV_CH_LAST_FRAME_V6, NULL);
		break;
	default:
		mfc_err("Unsupported last frame arg.\n");
		return -EINVAL;
	}

	mfc_debug(2, "Decoding a usual frame.\n");
	return 0;
}

static int s5p_mfc_init_encode_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
		s5p_mfc_set_enc_params_h264(ctx);
	else if (ctx->codec_mode == S5P_MFC_CODEC_MPEG4_ENC)
		s5p_mfc_set_enc_params_mpeg4(ctx);
	else if (ctx->codec_mode == S5P_MFC_CODEC_H263_ENC)
		s5p_mfc_set_enc_params_h263(ctx);
	else if (ctx->codec_mode == S5P_MFC_CODEC_VP8_ENC)
		s5p_mfc_set_enc_params_vp8(ctx);
	else {
		mfc_err("Unknown codec for encoding (%x).\n",
			ctx->codec_mode);
		return -EINVAL;
	}

	/* Set stride lengths */
	if (IS_MFCV7(dev)) {
		WRITEL(ctx->img_width, S5P_FIMV_E_SOURCE_FIRST_STRIDE_V7);
		WRITEL(ctx->img_width, S5P_FIMV_E_SOURCE_SECOND_STRIDE_V7);
	}

	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
			S5P_FIMV_CH_SEQ_HEADER_V6, NULL);

	return 0;
}

static int s5p_mfc_h264_set_aso_slice_order_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_enc_params *p = &ctx->enc_params;
	struct s5p_mfc_h264_enc_params *p_h264 = &p->codec.h264;
	int i;

	if (p_h264->aso) {
		for (i = 0; i < 8; i++)
			WRITEL(p_h264->aso_slice_order[i],
				S5P_FIMV_E_H264_ASO_SLICE_ORDER_0_V6 + i * 4);
	}
	return 0;
}

/* Encode a single frame */
static int s5p_mfc_encode_one_frame_v6(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	mfc_debug(2, "++\n");

	/* memory structure cur. frame */

	if (ctx->codec_mode == S5P_MFC_CODEC_H264_ENC)
		s5p_mfc_h264_set_aso_slice_order_v6(ctx);

	s5p_mfc_set_slice_mode(ctx);

	WRITEL(ctx->inst_no, S5P_FIMV_INSTANCE_ID_V6);
	s5p_mfc_hw_call(dev->mfc_cmds, cmd_host2risc, dev,
			S5P_FIMV_CH_FRAME_START_V6, NULL);

	mfc_debug(2, "--\n");

	return 0;
}

static inline int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
{
	unsigned long flags;
	int new_ctx;
	int cnt;

	spin_lock_irqsave(&dev->condlock, flags);
	mfc_debug(2, "Previous context: %d (bits %08lx)\n", dev->curr_ctx,
							dev->ctx_work_bits);
	new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
	cnt = 0;
	while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
		new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
		cnt++;
		if (cnt > MFC_NUM_CONTEXTS) {
			/* No contexts to run */
			spin_unlock_irqrestore(&dev->condlock, flags);
			return -EAGAIN;
		}
	}
	spin_unlock_irqrestore(&dev->condlock, flags);
	return new_ctx;
}

static inline void s5p_mfc_run_dec_last_frames(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_buf *temp_vb;
	unsigned long flags;

	spin_lock_irqsave(&dev->irqlock, flags);

	/* Frames are being decoded */
	if (list_empty(&ctx->src_queue)) {
		mfc_debug(2, "No src buffers.\n");
		spin_unlock_irqrestore(&dev->irqlock, flags);
		return;
	}
	/* Get the next source buffer */
	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
	temp_vb->flags |= MFC_BUF_FLAG_USED;
	s5p_mfc_set_dec_stream_buffer_v6(ctx,
			vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), 0, 0);
	spin_unlock_irqrestore(&dev->irqlock, flags);

	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	s5p_mfc_decode_one_frame_v6(ctx, 1);
}

static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_buf *temp_vb;
	unsigned long flags;
	int last_frame = 0;

	if (ctx->state == MFCINST_FINISHING) {
		last_frame = MFC_DEC_LAST_FRAME;
		s5p_mfc_set_dec_stream_buffer_v6(ctx, 0, 0, 0);
		dev->curr_ctx = ctx->num;
		s5p_mfc_clean_ctx_int_flags(ctx);
		s5p_mfc_decode_one_frame_v6(ctx, last_frame);
		return 0;
	}

	spin_lock_irqsave(&dev->irqlock, flags);
	/* Frames are being decoded */
	if (list_empty(&ctx->src_queue)) {
		mfc_debug(2, "No src buffers.\n");
		spin_unlock_irqrestore(&dev->irqlock, flags);
		return -EAGAIN;
	}
	/* Get the next source buffer */
	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
	temp_vb->flags |= MFC_BUF_FLAG_USED;
	s5p_mfc_set_dec_stream_buffer_v6(ctx,
		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
			ctx->consumed_stream,
			temp_vb->b->v4l2_planes[0].bytesused);
	spin_unlock_irqrestore(&dev->irqlock, flags);

	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
		last_frame = 1;
		mfc_debug(2, "Setting ctx->state to FINISHING\n");
		ctx->state = MFCINST_FINISHING;
	}
	s5p_mfc_decode_one_frame_v6(ctx, last_frame);

	return 0;
}

static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned long flags;
	struct s5p_mfc_buf *dst_mb;
	struct s5p_mfc_buf *src_mb;
	unsigned long src_y_addr, src_c_addr, dst_addr;
	/*
	unsigned int src_y_size, src_c_size;
	*/
	unsigned int dst_size;

	spin_lock_irqsave(&dev->irqlock, flags);

	if (list_empty(&ctx->src_queue)) {
		mfc_debug(2, "no src buffers.\n");
		spin_unlock_irqrestore(&dev->irqlock, flags);
		return -EAGAIN;
	}

	if (list_empty(&ctx->dst_queue)) {
		mfc_debug(2, "no dst buffers.\n");
		spin_unlock_irqrestore(&dev->irqlock, flags);
		return -EAGAIN;
	}

	src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
	src_mb->flags |= MFC_BUF_FLAG_USED;
	src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 0);
	src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 1);

	mfc_debug(2, "enc src y addr: 0x%08lx\n", src_y_addr);
	mfc_debug(2, "enc src c addr: 0x%08lx\n", src_c_addr);

	s5p_mfc_set_enc_frame_buffer_v6(ctx, src_y_addr, src_c_addr);

	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
	dst_mb->flags |= MFC_BUF_FLAG_USED;
	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
	dst_size = vb2_plane_size(dst_mb->b, 0);

	s5p_mfc_set_enc_stream_buffer_v6(ctx, dst_addr, dst_size);

	spin_unlock_irqrestore(&dev->irqlock, flags);

	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	s5p_mfc_encode_one_frame_v6(ctx);

	return 0;
}

static inline void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned long flags;
	struct s5p_mfc_buf *temp_vb;

	/* Initializing decoding - parsing header */
	spin_lock_irqsave(&dev->irqlock, flags);
	mfc_debug(2, "Preparing to init decoding.\n");
	temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
	mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
	s5p_mfc_set_dec_stream_buffer_v6(ctx,
		vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), 0,
			temp_vb->b->v4l2_planes[0].bytesused);
	spin_unlock_irqrestore(&dev->irqlock, flags);
	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	s5p_mfc_init_decode_v6(ctx);
}

static inline void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned long flags;
	struct s5p_mfc_buf *dst_mb;
	unsigned long dst_addr;
	unsigned int dst_size;

	spin_lock_irqsave(&dev->irqlock, flags);

	dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
	dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
	dst_size = vb2_plane_size(dst_mb->b, 0);
	s5p_mfc_set_enc_stream_buffer_v6(ctx, dst_addr, dst_size);
	spin_unlock_irqrestore(&dev->irqlock, flags);
	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	s5p_mfc_init_encode_v6(ctx);
}

static inline int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	int ret;
	/* Header was parsed now start processing
	 * First set the output frame buffers
	 * s5p_mfc_alloc_dec_buffers(ctx); */

	if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
		mfc_err("It seems that not all destionation buffers were\n"
			"mmaped.MFC requires that all destination are mmaped\n"
			"before starting processing.\n");
		return -EAGAIN;
	}

	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	ret = s5p_mfc_set_dec_frame_buffer_v6(ctx);
	if (ret) {
		mfc_err("Failed to alloc frame mem.\n");
		ctx->state = MFCINST_ERROR;
	}
	return ret;
}

static inline int s5p_mfc_run_init_enc_buffers(struct s5p_mfc_ctx *ctx)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	int ret;

	dev->curr_ctx = ctx->num;
	s5p_mfc_clean_ctx_int_flags(ctx);
	ret = s5p_mfc_set_enc_ref_buffer_v6(ctx);
	if (ret) {
		mfc_err("Failed to alloc frame mem.\n");
		ctx->state = MFCINST_ERROR;
	}
	return ret;
}

/* Try running an operation on hardware */
static void s5p_mfc_try_run_v6(struct s5p_mfc_dev *dev)
{
	struct s5p_mfc_ctx *ctx;
	int new_ctx;
	unsigned int ret = 0;

	mfc_debug(1, "Try run dev: %p\n", dev);

	/* Check whether hardware is not running */
	if (test_and_set_bit(0, &dev->hw_lock) != 0) {
		/* This is perfectly ok, the scheduled ctx should wait */
		mfc_debug(1, "Couldn't lock HW.\n");
		return;
	}

	/* Choose the context to run */
	new_ctx = s5p_mfc_get_new_ctx(dev);
	if (new_ctx < 0) {
		/* No contexts to run */
		if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
			mfc_err("Failed to unlock hardware.\n");
			return;
		}

		mfc_debug(1, "No ctx is scheduled to be run.\n");
		return;
	}

	mfc_debug(1, "New context: %d\n", new_ctx);
	ctx = dev->ctx[new_ctx];
	mfc_debug(1, "Seting new context to %p\n", ctx);
	/* Got context to run in ctx */
	mfc_debug(1, "ctx->dst_queue_cnt=%d ctx->dpb_count=%d ctx->src_queue_cnt=%d\n",
		ctx->dst_queue_cnt, ctx->pb_count, ctx->src_queue_cnt);
	mfc_debug(1, "ctx->state=%d\n", ctx->state);
	/* Last frame has already been sent to MFC
	 * Now obtaining frames from MFC buffer */

	s5p_mfc_clock_on();
	if (ctx->type == MFCINST_DECODER) {
		switch (ctx->state) {
		case MFCINST_FINISHING:
			s5p_mfc_run_dec_last_frames(ctx);
			break;
		case MFCINST_RUNNING:
			ret = s5p_mfc_run_dec_frame(ctx);
			break;
		case MFCINST_INIT:
			s5p_mfc_clean_ctx_int_flags(ctx);
			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
					ctx);
			break;
		case MFCINST_RETURN_INST:
			s5p_mfc_clean_ctx_int_flags(ctx);
			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
					ctx);
			break;
		case MFCINST_GOT_INST:
			s5p_mfc_run_init_dec(ctx);
			break;
		case MFCINST_HEAD_PARSED:
			ret = s5p_mfc_run_init_dec_buffers(ctx);
			break;
		case MFCINST_FLUSH:
			s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
			break;
		case MFCINST_RES_CHANGE_INIT:
			s5p_mfc_run_dec_last_frames(ctx);
			break;
		case MFCINST_RES_CHANGE_FLUSH:
			s5p_mfc_run_dec_last_frames(ctx);
			break;
		case MFCINST_RES_CHANGE_END:
			mfc_debug(2, "Finished remaining frames after resolution change.\n");
			ctx->capture_state = QUEUE_FREE;
			mfc_debug(2, "Will re-init the codec`.\n");
			s5p_mfc_run_init_dec(ctx);
			break;
		default:
			ret = -EAGAIN;
		}
	} else if (ctx->type == MFCINST_ENCODER) {
		switch (ctx->state) {
		case MFCINST_FINISHING:
		case MFCINST_RUNNING:
			ret = s5p_mfc_run_enc_frame(ctx);
			break;
		case MFCINST_INIT:
			ret = s5p_mfc_hw_call(dev->mfc_cmds, open_inst_cmd,
					ctx);
			break;
		case MFCINST_RETURN_INST:
			ret = s5p_mfc_hw_call(dev->mfc_cmds, close_inst_cmd,
					ctx);
			break;
		case MFCINST_GOT_INST:
			s5p_mfc_run_init_enc(ctx);
			break;
		case MFCINST_HEAD_PRODUCED:
			ret = s5p_mfc_run_init_enc_buffers(ctx);
			break;
		default:
			ret = -EAGAIN;
		}
	} else {
		mfc_err("invalid context type: %d\n", ctx->type);
		ret = -EAGAIN;
	}

	if (ret) {
		/* Free hardware lock */
		if (test_and_clear_bit(0, &dev->hw_lock) == 0)
			mfc_err("Failed to unlock hardware.\n");

		/* This is in deed imporant, as no operation has been
		 * scheduled, reduce the clock count as no one will
		 * ever do this, because no interrupt related to this try_run
		 * will ever come from hardware. */
		s5p_mfc_clock_off();
	}
}


static void s5p_mfc_cleanup_queue_v6(struct list_head *lh, struct vb2_queue *vq)
{
	struct s5p_mfc_buf *b;
	int i;

	while (!list_empty(lh)) {
		b = list_entry(lh->next, struct s5p_mfc_buf, list);
		for (i = 0; i < b->b->num_planes; i++)
			vb2_set_plane_payload(b->b, i, 0);
		vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
		list_del(&b->list);
	}
}

static void s5p_mfc_clear_int_flags_v6(struct s5p_mfc_dev *dev)
{
	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_CMD_V6);
	mfc_write(dev, 0, S5P_FIMV_RISC2HOST_INT_V6);
}

static void s5p_mfc_write_info_v6(struct s5p_mfc_ctx *ctx, unsigned int data,
		unsigned int ofs)
{
	struct s5p_mfc_dev *dev = ctx->dev;

	s5p_mfc_clock_on();
	WRITEL(data, ofs);
	s5p_mfc_clock_off();
}

static unsigned int
s5p_mfc_read_info_v6(struct s5p_mfc_ctx *ctx, unsigned int ofs)
{
	struct s5p_mfc_dev *dev = ctx->dev;
	int ret;

	s5p_mfc_clock_on();
	ret = READL(ofs);
	s5p_mfc_clock_off();

	return ret;
}

static int s5p_mfc_get_dspl_y_adr_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DISPLAY_LUMA_ADDR_V6);
}

static int s5p_mfc_get_dec_y_adr_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DECODED_LUMA_ADDR_V6);
}

static int s5p_mfc_get_dspl_status_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DISPLAY_STATUS_V6);
}

static int s5p_mfc_get_dec_status_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DECODED_STATUS_V6);
}

static int s5p_mfc_get_dec_frame_type_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DECODED_FRAME_TYPE_V6) &
		S5P_FIMV_DECODE_FRAME_MASK_V6;
}

static int s5p_mfc_get_disp_frame_type_v6(struct s5p_mfc_ctx *ctx)
{
	return mfc_read(ctx->dev, S5P_FIMV_D_DISPLAY_FRAME_TYPE_V6) &
		S5P_FIMV_DECODE_FRAME_MASK_V6;
}

static int s5p_mfc_get_consumed_stream_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DECODED_NAL_SIZE_V6);
}

static int s5p_mfc_get_int_reason_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_RISC2HOST_CMD_V6) &
		S5P_FIMV_RISC2HOST_CMD_MASK;
}

static int s5p_mfc_get_int_err_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_ERROR_CODE_V6);
}

static int s5p_mfc_err_dec_v6(unsigned int err)
{
	return (err & S5P_FIMV_ERR_DEC_MASK_V6) >> S5P_FIMV_ERR_DEC_SHIFT_V6;
}

static int s5p_mfc_err_dspl_v6(unsigned int err)
{
	return (err & S5P_FIMV_ERR_DSPL_MASK_V6) >> S5P_FIMV_ERR_DSPL_SHIFT_V6;
}

static int s5p_mfc_get_img_width_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DISPLAY_FRAME_WIDTH_V6);
}

static int s5p_mfc_get_img_height_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_DISPLAY_FRAME_HEIGHT_V6);
}

static int s5p_mfc_get_dpb_count_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_MIN_NUM_DPB_V6);
}

static int s5p_mfc_get_mv_count_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_MIN_NUM_MV_V6);
}

static int s5p_mfc_get_inst_no_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_RET_INSTANCE_ID_V6);
}

static int s5p_mfc_get_enc_dpb_count_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_E_NUM_DPB_V6);
}

static int s5p_mfc_get_enc_strm_size_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_E_STREAM_SIZE_V6);
}

static int s5p_mfc_get_enc_slice_type_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_E_SLICE_TYPE_V6);
}

static int s5p_mfc_get_enc_pic_count_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_E_PICTURE_COUNT_V6);
}

static int s5p_mfc_get_sei_avail_status_v6(struct s5p_mfc_ctx *ctx)
{
	return mfc_read(ctx->dev, S5P_FIMV_D_FRAME_PACK_SEI_AVAIL_V6);
}

static int s5p_mfc_get_mvc_num_views_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_MVC_NUM_VIEWS_V6);
}

static int s5p_mfc_get_mvc_view_id_v6(struct s5p_mfc_dev *dev)
{
	return mfc_read(dev, S5P_FIMV_D_MVC_VIEW_ID_V6);
}

static unsigned int s5p_mfc_get_pic_type_top_v6(struct s5p_mfc_ctx *ctx)
{
	return s5p_mfc_read_info_v6(ctx, PIC_TIME_TOP_V6);
}

static unsigned int s5p_mfc_get_pic_type_bot_v6(struct s5p_mfc_ctx *ctx)
{
	return s5p_mfc_read_info_v6(ctx, PIC_TIME_BOT_V6);
}

static unsigned int s5p_mfc_get_crop_info_h_v6(struct s5p_mfc_ctx *ctx)
{
	return s5p_mfc_read_info_v6(ctx, CROP_INFO_H_V6);
}

static unsigned int s5p_mfc_get_crop_info_v_v6(struct s5p_mfc_ctx *ctx)
{
	return s5p_mfc_read_info_v6(ctx, CROP_INFO_V_V6);
}

/* Initialize opr function pointers for MFC v6 */
static struct s5p_mfc_hw_ops s5p_mfc_ops_v6 = {
	.alloc_dec_temp_buffers = s5p_mfc_alloc_dec_temp_buffers_v6,
	.release_dec_desc_buffer = s5p_mfc_release_dec_desc_buffer_v6,
	.alloc_codec_buffers = s5p_mfc_alloc_codec_buffers_v6,
	.release_codec_buffers = s5p_mfc_release_codec_buffers_v6,
	.alloc_instance_buffer = s5p_mfc_alloc_instance_buffer_v6,
	.release_instance_buffer = s5p_mfc_release_instance_buffer_v6,
	.alloc_dev_context_buffer =
		s5p_mfc_alloc_dev_context_buffer_v6,
	.release_dev_context_buffer =
		s5p_mfc_release_dev_context_buffer_v6,
	.dec_calc_dpb_size = s5p_mfc_dec_calc_dpb_size_v6,
	.enc_calc_src_size = s5p_mfc_enc_calc_src_size_v6,
	.set_dec_stream_buffer = s5p_mfc_set_dec_stream_buffer_v6,
	.set_dec_frame_buffer = s5p_mfc_set_dec_frame_buffer_v6,
	.set_enc_stream_buffer = s5p_mfc_set_enc_stream_buffer_v6,
	.set_enc_frame_buffer = s5p_mfc_set_enc_frame_buffer_v6,
	.get_enc_frame_buffer = s5p_mfc_get_enc_frame_buffer_v6,
	.set_enc_ref_buffer = s5p_mfc_set_enc_ref_buffer_v6,
	.init_decode = s5p_mfc_init_decode_v6,
	.init_encode = s5p_mfc_init_encode_v6,
	.encode_one_frame = s5p_mfc_encode_one_frame_v6,
	.try_run = s5p_mfc_try_run_v6,
	.cleanup_queue = s5p_mfc_cleanup_queue_v6,
	.clear_int_flags = s5p_mfc_clear_int_flags_v6,
	.write_info = s5p_mfc_write_info_v6,
	.read_info = s5p_mfc_read_info_v6,
	.get_dspl_y_adr = s5p_mfc_get_dspl_y_adr_v6,
	.get_dec_y_adr = s5p_mfc_get_dec_y_adr_v6,
	.get_dspl_status = s5p_mfc_get_dspl_status_v6,
	.get_dec_status = s5p_mfc_get_dec_status_v6,
	.get_dec_frame_type = s5p_mfc_get_dec_frame_type_v6,
	.get_disp_frame_type = s5p_mfc_get_disp_frame_type_v6,
	.get_consumed_stream = s5p_mfc_get_consumed_stream_v6,
	.get_int_reason = s5p_mfc_get_int_reason_v6,
	.get_int_err = s5p_mfc_get_int_err_v6,
	.err_dec = s5p_mfc_err_dec_v6,
	.err_dspl = s5p_mfc_err_dspl_v6,
	.get_img_width = s5p_mfc_get_img_width_v6,
	.get_img_height = s5p_mfc_get_img_height_v6,
	.get_dpb_count = s5p_mfc_get_dpb_count_v6,
	.get_mv_count = s5p_mfc_get_mv_count_v6,
	.get_inst_no = s5p_mfc_get_inst_no_v6,
	.get_enc_strm_size = s5p_mfc_get_enc_strm_size_v6,
	.get_enc_slice_type = s5p_mfc_get_enc_slice_type_v6,
	.get_enc_dpb_count = s5p_mfc_get_enc_dpb_count_v6,
	.get_enc_pic_count = s5p_mfc_get_enc_pic_count_v6,
	.get_sei_avail_status = s5p_mfc_get_sei_avail_status_v6,
	.get_mvc_num_views = s5p_mfc_get_mvc_num_views_v6,
	.get_mvc_view_id = s5p_mfc_get_mvc_view_id_v6,
	.get_pic_type_top = s5p_mfc_get_pic_type_top_v6,
	.get_pic_type_bot = s5p_mfc_get_pic_type_bot_v6,
	.get_crop_info_h = s5p_mfc_get_crop_info_h_v6,
	.get_crop_info_v = s5p_mfc_get_crop_info_v_v6,
};

struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void)
{
	return &s5p_mfc_ops_v6;
}