linux/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.h
Tiffany Lin 4e855a6efa [media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver
Add v4l2 layer encoder driver for MT8173

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
[hans.verkuil@cisco.com: drop unnecessary ARM || ARM64 dependency]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-08 14:10:51 -03:00

59 lines
1.9 KiB
C

/*
* 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_ */