path: root/drivers/amvdec_ports/aml_vcodec_dec.h (plain)
blob: c46585722270cd35e45d377e423436ace45e5225

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	/* codec types of get/set parms. */
43	#define V4L2_CONFIG_PARM_ENCODE (0)
44	#define V4L2_CONFIG_PARM_DECODE (1)
45
46	/* types of decode parms. */
47	#define V4L2_CONFIG_PARM_DECODE_COMMON (1 << 0)
48	#define V4L2_CONFIG_PARM_DECODE_PICINFO (1 << 1)
49	#define V4L2_CONFIG_PARM_DECODE_HDRINFO (1 << 2)
50
51	/* for video composer metafd private_data struct */
52	struct file_privdata {
53	struct vframe_s vf;
54	struct vframe_s *vf_p;
55	bool is_keep;
56	int keep_id;
57	int keep_head_id;
58	bool is_install;
59	};
60
61	/**
62	* struct vdec_fb - decoder frame buffer
63	* @mem_type : gather or scatter memory.
64	* @num_planes : used number of the plane
65	* @mem[4] : array mem for used planes,
66	* mem[0]: Y, mem[1]: C/U, mem[2]: V
67	* @vf_fd : the file handle of video frame
68	* @vf_handle : video frame handle
69	* @status : frame buffer status (vdec_fb_status)
70	*/
71
72	struct vdec_v4l2_buffer {
73	int mem_type;
74	int num_planes;
75	union {
76	struct aml_vcodec_mem mem[4];
77	u32 vf_fd;
78	} m;
79	ulong vf_handle;
80	u32 status;
81	};
82
83
84	/**
85	* struct aml_video_dec_buf - Private data related to each VB2 buffer.
86	* @b: VB2 buffer
87	* @list: link list
88	* @used: Capture buffer contain decoded frame data and keep in
89	* codec data structure
90	* @ready_to_display: Capture buffer not display yet
91	* @queued_in_vb2: Capture buffer is queue in vb2
92	* @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
93	* queue yet
94	* @lastframe: Intput buffer is last buffer - EOS
95	* @error: An unrecoverable error occurs on this buffer.
96	* @frame_buffer: Decode status, and buffer information of Capture buffer
97	*
98	* Note : These status information help us track and debug buffer state
99	*/
100	struct aml_video_dec_buf {
101	struct vb2_v4l2_buffer vb;
102	struct list_head list;
103
104	struct vdec_v4l2_buffer frame_buffer;
105	struct file_privdata privdata;
106	struct codec_mm_s *mem[2];
107	char mem_onwer[32];
108	bool used;
109	bool ready_to_display;
110	bool que_in_m2m;
111	bool queued_in_vb2;
112	bool queued_in_v4l2;
113	bool lastframe;
114	bool error;
115	};
116
117	extern const struct v4l2_ioctl_ops aml_vdec_ioctl_ops;
118	extern const struct v4l2_m2m_ops aml_vdec_m2m_ops;
119
120	/*
121	* aml_vdec_lock/aml_vdec_unlock are for ctx instance to
122	* get/release lock before/after access decoder hw.
123	* aml_vdec_lock get decoder hw lock and set curr_ctx
124	* to ctx instance that get lock
125	*/
126	void aml_vdec_unlock(struct aml_vcodec_ctx *ctx);
127	void aml_vdec_lock(struct aml_vcodec_ctx *ctx);
128	int aml_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
129	struct vb2_queue *dst_vq);
130	void aml_vcodec_dec_set_default_params(struct aml_vcodec_ctx *ctx);
131	void aml_vcodec_dec_release(struct aml_vcodec_ctx *ctx);
132	int aml_vcodec_dec_ctrls_setup(struct aml_vcodec_ctx *ctx);
133	void vdec_device_vf_run(struct aml_vcodec_ctx *ctx);
134	void try_to_capture(struct aml_vcodec_ctx *ctx);
135	void aml_thread_notify(struct aml_vcodec_ctx *ctx,
136	enum aml_thread_type type);
137	int aml_thread_start(struct aml_vcodec_ctx *ctx, aml_thread_func func,
138	enum aml_thread_type type, const char *thread_name);
139	void aml_thread_stop(struct aml_vcodec_ctx *ctx);
140	void wait_vcodec_ending(struct aml_vcodec_ctx *ctx);
141	void vdec_frame_buffer_release(void *data);
142
143	#endif /* _AML_VCODEC_DEC_H_ */
144