1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: PC Chen <pc.chen@mediatek.com>
5 *         Tiffany Lin <tiffany.lin@mediatek.com>
6 */
7 
8 #ifndef _MTK_VCODEC_ENC_H_
9 #define _MTK_VCODEC_ENC_H_
10 
11 #include <media/videobuf2-core.h>
12 #include <media/v4l2-mem2mem.h>
13 
14 #define MTK_VENC_IRQ_STATUS_SPS	0x1
15 #define MTK_VENC_IRQ_STATUS_PPS	0x2
16 #define MTK_VENC_IRQ_STATUS_FRM	0x4
17 #define MTK_VENC_IRQ_STATUS_DRAM	0x8
18 #define MTK_VENC_IRQ_STATUS_PAUSE	0x10
19 #define MTK_VENC_IRQ_STATUS_SWITCH	0x20
20 
21 #define MTK_VENC_IRQ_STATUS_OFFSET	0x05C
22 #define MTK_VENC_IRQ_ACK_OFFSET	0x060
23 
24 /**
25  * struct mtk_video_enc_buf - Private data related to each VB2 buffer.
26  * @m2m_buf:	M2M buffer
27  * @list:	list that buffer link to
28  * @param_change: Types of encode parameter change before encoding this
29  *				buffer
30  * @enc_params: Encode parameters changed before encode this buffer
31  */
32 struct mtk_video_enc_buf {
33 	struct v4l2_m2m_buffer m2m_buf;
34 
35 	u32 param_change;
36 	struct mtk_enc_params enc_params;
37 };
38 
39 extern const struct v4l2_ioctl_ops mtk_venc_ioctl_ops;
40 extern const struct v4l2_m2m_ops mtk_venc_m2m_ops;
41 
42 int mtk_venc_unlock(struct mtk_vcodec_ctx *ctx);
43 int mtk_venc_lock(struct mtk_vcodec_ctx *ctx);
44 int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
45 			      struct vb2_queue *dst_vq);
46 void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx);
47 int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx);
48 void mtk_vcodec_enc_set_default_params(struct mtk_vcodec_ctx *ctx);
49 
50 #endif /* _MTK_VCODEC_ENC_H_ */
51