1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2016 MediaTek Inc.
8 #ifndef _MTK_VCODEC_DEC_H_
9 #define _MTK_VCODEC_DEC_H_
11 #include <media/videobuf2-core.h>
12 #include <media/v4l2-mem2mem.h>
14 #include "mtk_vcodec_dec_drv.h"
16 #define VCODEC_DEC_ALIGNED_64 64
17 #define VCODEC_CAPABILITY_4K_DISABLED 0x10
18 #define VCODEC_DEC_4K_CODED_WIDTH 4096U
19 #define VCODEC_DEC_4K_CODED_HEIGHT 2304U
20 #define MTK_VDEC_MAX_W 2048U
21 #define MTK_VDEC_MAX_H 1088U
22 #define MTK_VDEC_MIN_W 64U
23 #define MTK_VDEC_MIN_H 64U
25 #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000
28 * struct vdec_fb - decoder frame buffer
29 * @base_y : Y plane memory info
30 * @base_c : C plane memory info
31 * @status : frame buffer status (vdec_fb_status)
34 struct mtk_vcodec_mem base_y;
35 struct mtk_vcodec_mem base_c;
40 * struct mtk_video_dec_buf - Private data related to each VB2 buffer.
41 * @m2m_buf: M2M buffer
42 * @used: Capture buffer contain decoded frame data and keep in
43 * codec data structure
44 * @queued_in_vb2: Capture buffer is queue in vb2
45 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
47 * @error: An unrecoverable error occurs on this buffer.
48 * @frame_buffer: Decode status, and buffer information of Capture buffer
49 * @bs_buffer: Output buffer info
51 * Note : These status information help us track and debug buffer state
53 struct mtk_video_dec_buf {
54 struct v4l2_m2m_buffer m2m_buf;
62 struct vdec_fb frame_buffer;
63 struct mtk_vcodec_mem bs_buffer;
67 extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
68 extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
69 extern const struct media_device_ops mtk_vcodec_media_ops;
70 extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata;
71 extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata;
72 extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata;
73 extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_pdata;
77 * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to
78 * get/release lock before/after access decoder hw.
79 * mtk_vdec_lock get decoder hw lock and set curr_ctx
80 * to ctx instance that get lock
82 void mtk_vdec_unlock(struct mtk_vcodec_dec_ctx *ctx);
83 void mtk_vdec_lock(struct mtk_vcodec_dec_ctx *ctx);
84 int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
85 struct vb2_queue *dst_vq);
86 void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_dec_ctx *ctx);
87 void mtk_vcodec_dec_release(struct mtk_vcodec_dec_ctx *ctx);
92 int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
93 unsigned int *nplanes, unsigned int sizes[],
94 struct device *alloc_devs[]);
95 int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb);
96 void vb2ops_vdec_buf_finish(struct vb2_buffer *vb);
97 int vb2ops_vdec_buf_init(struct vb2_buffer *vb);
98 int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count);
99 void vb2ops_vdec_stop_streaming(struct vb2_queue *q);
102 #endif /* _MTK_VCODEC_DEC_H_ */