1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: PC Chen <pc.chen@mediatek.com>
5 * Tiffany Lin <tiffany.lin@mediatek.com>
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 #define VCODEC_DEC_ALIGNED_64 64
15 #define VCODEC_CAPABILITY_4K_DISABLED 0x10
16 #define VCODEC_DEC_4K_CODED_WIDTH 4096U
17 #define VCODEC_DEC_4K_CODED_HEIGHT 2304U
18 #define MTK_VDEC_MAX_W 2048U
19 #define MTK_VDEC_MAX_H 1088U
20 #define MTK_VDEC_MIN_W 64U
21 #define MTK_VDEC_MIN_H 64U
23 #define MTK_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000
26 * struct vdec_fb - decoder frame buffer
27 * @base_y : Y plane memory info
28 * @base_c : C plane memory info
29 * @status : frame buffer status (vdec_fb_status)
32 struct mtk_vcodec_mem base_y;
33 struct mtk_vcodec_mem base_c;
38 * struct mtk_video_dec_buf - Private data related to each VB2 buffer.
39 * @m2m_buf: M2M buffer
41 * @used: Capture buffer contain decoded frame data and keep in
42 * codec data structure
43 * @queued_in_vb2: Capture buffer is queue in vb2
44 * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
46 * @error: An unrecoverable error occurs on this buffer.
47 * @frame_buffer: Decode status, and buffer information of Capture buffer
48 * @bs_buffer: Output buffer info
50 * Note : These status information help us track and debug buffer state
52 struct mtk_video_dec_buf {
53 struct v4l2_m2m_buffer m2m_buf;
61 struct vdec_fb frame_buffer;
62 struct mtk_vcodec_mem bs_buffer;
66 extern const struct v4l2_ioctl_ops mtk_vdec_ioctl_ops;
67 extern const struct v4l2_m2m_ops mtk_vdec_m2m_ops;
68 extern const struct media_device_ops mtk_vcodec_media_ops;
69 extern const struct mtk_vcodec_dec_pdata mtk_vdec_8173_pdata;
70 extern const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata;
71 extern const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata;
72 extern const struct mtk_vcodec_dec_pdata mtk_vdec_single_core_pdata;
76 * mtk_vdec_lock/mtk_vdec_unlock are for ctx instance to
77 * get/release lock before/after access decoder hw.
78 * mtk_vdec_lock get decoder hw lock and set curr_ctx
79 * to ctx instance that get lock
81 void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx);
82 void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx);
83 int mtk_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
84 struct vb2_queue *dst_vq);
85 void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx);
86 void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx);
91 int vb2ops_vdec_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers,
92 unsigned int *nplanes, unsigned int sizes[],
93 struct device *alloc_devs[]);
94 int vb2ops_vdec_buf_prepare(struct vb2_buffer *vb);
95 void vb2ops_vdec_buf_finish(struct vb2_buffer *vb);
96 int vb2ops_vdec_buf_init(struct vb2_buffer *vb);
97 int vb2ops_vdec_start_streaming(struct vb2_queue *q, unsigned int count);
98 void vb2ops_vdec_stop_streaming(struct vb2_queue *q);
101 #endif /* _MTK_VCODEC_DEC_H_ */