path: root/drivers/amvdec_ports/aml_vcodec_dec.h (plain)
blob: 7ca3337654329628ba458eee5798cbf872e60bc4

1	/*
2	* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
3	*
4	* This program is free software; you can redistribute it and/or modify
5	* it under the terms of the GNU General Public License as published by
6	* the Free Software Foundation; either version 2 of the License, or
7	* (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful, but WITHOUT
10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12	* more details.
13	*
14	* You should have received a copy of the GNU General Public License along
15	* with this program; if not, write to the Free Software Foundation, Inc.,
16	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17	*
18	* Description:
19	*/
20	#ifndef _AML_VCODEC_DEC_H_
21	#define _AML_VCODEC_DEC_H_
22
23	#include <media/videobuf2-core.h>
24	#include <media/videobuf2-v4l2.h>
25	#include <linux/amlogic/media/codec_mm/codec_mm.h>
26	#include "aml_vcodec_util.h"
27
28	#define VCODEC_CAPABILITY_4K_DISABLED 0x10
29	#define VCODEC_DEC_4K_CODED_WIDTH 4096U
30	#define VCODEC_DEC_4K_CODED_HEIGHT 2304U
31	#define AML_VDEC_MAX_W 2048U
32	#define AML_VDEC_MAX_H 1088U
33
34	#define AML_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000
35	#define V4L2_BUF_FLAG_LAST 0x00100000
36
37	#define VDEC_GATHER_MEMORY_TYPE 0
38	#define VDEC_SCATTER_MEMORY_TYPE 1
39
40	#define AML_V4L2_SET_DECMODE (V4L2_CID_USER_AMLOGIC_BASE + 0)
41
42	/* for video composer metafd private_data struct */
43	struct file_privdata {
44	struct vframe_s vf;
45	struct vframe_s *vf_p;
46	bool is_keep;
47	int keep_id;
48	int keep_head_id;
49	bool is_install;
50	};
51
52	/**
53	* struct vdec_fb - decoder frame buffer
54	* @mem_type : gather or scatter memory.
55	* @num_planes : used number of the plane
56	* @mem[4] : array mem for used planes,
57	* mem[0]: Y, mem[1]: C/U, mem[2]: V
58	* @vf_fd : the file handle of video frame
59	* @vf_handle : video frame handle
60	* @status : frame buffer status (vdec_fb_status)
61	*/
62
63	struct vdec_v4l2_buffer {
64	int mem_type;
65	int num_planes;
66	union {
67	struct aml_vcodec_mem mem[4];
68	u32 vf_fd;
69	} m;
70	ulong vf_handle;
71	u32 status;
72	};
73
74
75	/**
76	* struct aml_video_dec_buf - Private data related to each VB2 buffer.
77	* @b: VB2 buffer
78	* @list: link list
79	* @used: Capture buffer contain decoded frame data and keep in
80	* codec data structure
81	* @ready_to_display: Capture buffer not display yet
82	* @queued_in_vb2: Capture buffer is queue in vb2
83	* @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
84	* queue yet
85	* @lastframe: Intput buffer is last buffer - EOS
86	* @error: An unrecoverable error occurs on this buffer.
87	* @frame_buffer: Decode status, and buffer information of Capture buffer
88	*
89	* Note : These status information help us track and debug buffer state
90	*/
91	struct aml_video_dec_buf {
92	struct vb2_v4l2_buffer vb;
93	struct list_head list;
94
95	struct vdec_v4l2_buffer frame_buffer;
96	struct file_privdata privdata;
97	struct codec_mm_s *mem[2];
98	char mem_onwer[32];
99	bool used;
100	bool ready_to_display;
101	bool que_in_m2m;
102	bool queued_in_vb2;
103	bool queued_in_v4l2;
104	bool lastframe;
105	bool error;
106	};
107
108	extern const struct v4l2_ioctl_ops aml_vdec_ioctl_ops;
109	extern const struct v4l2_m2m_ops aml_vdec_m2m_ops;
110
111	/*
112	* aml_vdec_lock/aml_vdec_unlock are for ctx instance to
113	* get/release lock before/after access decoder hw.
114	* aml_vdec_lock get decoder hw lock and set curr_ctx
115	* to ctx instance that get lock
116	*/
117	void aml_vdec_unlock(struct aml_vcodec_ctx *ctx);
118	void aml_vdec_lock(struct aml_vcodec_ctx *ctx);
119	int aml_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
120	struct vb2_queue *dst_vq);
121	void aml_vcodec_dec_set_default_params(struct aml_vcodec_ctx *ctx);
122	void aml_vcodec_dec_release(struct aml_vcodec_ctx *ctx);
123	int aml_vcodec_dec_ctrls_setup(struct aml_vcodec_ctx *ctx);
124	void vdec_device_vf_run(struct aml_vcodec_ctx *ctx);
125	void try_to_capture(struct aml_vcodec_ctx *ctx);
126	void aml_thread_notify(struct aml_vcodec_ctx *ctx,
127	enum aml_thread_type type);
128	int aml_thread_start(struct aml_vcodec_ctx *ctx, aml_thread_func func,
129	enum aml_thread_type type, const char *thread_name);
130	void aml_thread_stop(struct aml_vcodec_ctx *ctx);
131	void wait_vcodec_ending(struct aml_vcodec_ctx *ctx);
132	void vdec_frame_buffer_release(void *data);
133	void aml_vdec_dispatch_event(struct aml_vcodec_ctx *ctx, u32 changes);
134
135	#endif /* _AML_VCODEC_DEC_H_ */
136