path: root/drivers/amvdec_ports/aml_vcodec_dec.h (plain)
blob: 3406e9fe913848ca497f19341c77a39272e33993

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 <linux/amlogic/media/video_sink/v4lvideo_ext.h>
27	#include "aml_vcodec_util.h"
28
29	#define VCODEC_CAPABILITY_4K_DISABLED 0x10
30	#define VCODEC_DEC_4K_CODED_WIDTH 4096U
31	#define VCODEC_DEC_4K_CODED_HEIGHT 2304U
32	#define AML_VDEC_MAX_W 2048U
33	#define AML_VDEC_MAX_H 1088U
34
35	#define AML_VDEC_IRQ_STATUS_DEC_SUCCESS 0x10000
36	#define V4L2_BUF_FLAG_LAST 0x00100000
37
38	#define VDEC_GATHER_MEMORY_TYPE 0
39	#define VDEC_SCATTER_MEMORY_TYPE 1
40
41	/**
42	* struct vdec_fb - decoder frame buffer
43	* @mem_type : gather or scatter memory.
44	* @num_planes : used number of the plane
45	* @mem[4] : array mem for used planes,
46	* mem[0]: Y, mem[1]: C/U, mem[2]: V
47	* @vf_fd : the file handle of video frame
48	* @vf_handle : video frame handle
49	* @status : frame buffer status (vdec_fb_status)
50	*/
51
52	struct vdec_v4l2_buffer {
53	int mem_type;
54	int num_planes;
55	union {
56	struct aml_vcodec_mem mem[4];
57	u32 vf_fd;
58	} m;
59	ulong vf_handle;
60	u32 status;
61	};
62
63
64	/**
65	* struct aml_video_dec_buf - Private data related to each VB2 buffer.
66	* @b: VB2 buffer
67	* @list: link list
68	* @used: Capture buffer contain decoded frame data and keep in
69	* codec data structure
70	* @ready_to_display: Capture buffer not display yet
71	* @queued_in_vb2: Capture buffer is queue in vb2
72	* @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
73	* queue yet
74	* @lastframe: Intput buffer is last buffer - EOS
75	* @error: An unrecoverable error occurs on this buffer.
76	* @frame_buffer: Decode status, and buffer information of Capture buffer
77	*
78	* Note : These status information help us track and debug buffer state
79	*/
80	struct aml_video_dec_buf {
81	struct vb2_v4l2_buffer vb;
82	struct list_head list;
83
84	struct vdec_v4l2_buffer frame_buffer;
85	struct file_private_data privdata;
86	struct codec_mm_s *mem[2];
87	char mem_onwer[32];
88	bool used;
89	bool ready_to_display;
90	bool que_in_m2m;
91	bool queued_in_vb2;
92	bool queued_in_v4l2;
93	bool lastframe;
94	bool error;
95	};
96
97	extern const struct v4l2_ioctl_ops aml_vdec_ioctl_ops;
98	extern const struct v4l2_m2m_ops aml_vdec_m2m_ops;
99
100	/*
101	* aml_vdec_lock/aml_vdec_unlock are for ctx instance to
102	* get/release lock before/after access decoder hw.
103	* aml_vdec_lock get decoder hw lock and set curr_ctx
104	* to ctx instance that get lock
105	*/
106	void aml_vdec_unlock(struct aml_vcodec_ctx *ctx);
107	void aml_vdec_lock(struct aml_vcodec_ctx *ctx);
108	int aml_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
109	struct vb2_queue *dst_vq);
110	void aml_vcodec_dec_set_default_params(struct aml_vcodec_ctx *ctx);
111	void aml_vcodec_dec_release(struct aml_vcodec_ctx *ctx);
112	int aml_vcodec_dec_ctrls_setup(struct aml_vcodec_ctx *ctx);
113	void vdec_device_vf_run(struct aml_vcodec_ctx *ctx);
114	void try_to_capture(struct aml_vcodec_ctx *ctx);
115	void aml_thread_notify(struct aml_vcodec_ctx *ctx,
116	enum aml_thread_type type);
117	int aml_thread_start(struct aml_vcodec_ctx *ctx, aml_thread_func func,
118	enum aml_thread_type type, const char *thread_name);
119	void aml_thread_stop(struct aml_vcodec_ctx *ctx);
120	void wait_vcodec_ending(struct aml_vcodec_ctx *ctx);
121	void vdec_frame_buffer_release(void *data);
122	void aml_vdec_dispatch_event(struct aml_vcodec_ctx *ctx, u32 changes);
123	void* v4l_get_vf_handle(int fd);
124
125	#endif /* _AML_VCODEC_DEC_H_ */
126