/*
* Copyright (c) 2016 MediaTek Inc.
* Author: PC Chen <pc.chen@mediatek.com>
*         Tiffany Lin <tiffany.lin@mediatek.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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*/

#ifndef _MTK_VCODEC_ENC_H_
#define _MTK_VCODEC_ENC_H_

#include <media/videobuf2-core.h>
#include <media/videobuf2-v4l2.h>

#define MTK_VENC_IRQ_STATUS_SPS	0x1
#define MTK_VENC_IRQ_STATUS_PPS	0x2
#define MTK_VENC_IRQ_STATUS_FRM	0x4
#define MTK_VENC_IRQ_STATUS_DRAM	0x8
#define MTK_VENC_IRQ_STATUS_PAUSE	0x10
#define MTK_VENC_IRQ_STATUS_SWITCH	0x20

#define MTK_VENC_IRQ_STATUS_OFFSET	0x05C
#define MTK_VENC_IRQ_ACK_OFFSET	0x060

/**
 * struct mtk_video_enc_buf - Private data related to each VB2 buffer.
 * @vb: Pointer to related VB2 buffer.
 * @list:	list that buffer link to
 * @param_change: Types of encode parameter change before encoding this
 *				buffer
 * @enc_params: Encode parameters changed before encode this buffer
 */
struct mtk_video_enc_buf {
	struct vb2_v4l2_buffer vb;
	struct list_head list;
	u32 param_change;
	struct mtk_enc_params enc_params;
};

extern const struct v4l2_ioctl_ops mtk_venc_ioctl_ops;
extern const struct v4l2_m2m_ops mtk_venc_m2m_ops;

int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx);
int mtk_venc_lock(struct mtk_vcodec_ctx *ctx);
int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
			      struct vb2_queue *dst_vq);
void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx);
int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx);
void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx);

#endif /* _MTK_VCODEC_ENC_H_ */