path: root/drivers/amvdec_ports/aml_vcodec_dec.h (plain)
blob: f6a9db034727c65cd319ab393acfb75085937b43

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 AML_V4L2_SET_DECMODE (V4L2_CID_USER_AMLOGIC_BASE + 0)
38
39	/**
40	* struct vdec_fb - decoder frame buffer
41	* @base_y : Y plane memory info
42	* @base_c : C plane memory info
43	* @status : frame buffer status (vdec_fb_status)
44	*/
45	struct vdec_fb {
46	unsigned long vf_handle;
47	struct aml_vcodec_mem base_y;
48	struct aml_vcodec_mem base_c;
49	unsigned int status;
50	};
51
52	/**
53	* struct aml_video_dec_buf - Private data related to each VB2 buffer.
54	* @b: VB2 buffer
55	* @list: link list
56	* @used: Capture buffer contain decoded frame data and keep in
57	* codec data structure
58	* @ready_to_display: Capture buffer not display yet
59	* @queued_in_vb2: Capture buffer is queue in vb2
60	* @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2
61	* queue yet
62	* @lastframe: Intput buffer is last buffer - EOS
63	* @error: An unrecoverable error occurs on this buffer.
64	* @frame_buffer: Decode status, and buffer information of Capture buffer
65	*
66	* Note : These status information help us track and debug buffer state
67	*/
68	struct aml_video_dec_buf {
69	struct vb2_v4l2_buffer vb;
70	struct list_head list;
71
72	struct vdec_fb frame_buffer;
73	struct codec_mm_s *mem[2];
74	char mem_onwer[32];
75	struct list_head node;
76	bool used;
77	bool ready_to_display;
78	bool que_in_m2m;
79	bool queued_in_vb2;
80	bool queued_in_v4l2;
81	bool lastframe;
82	bool error;
83	};
84
85	extern const struct v4l2_ioctl_ops aml_vdec_ioctl_ops;
86	extern const struct v4l2_m2m_ops aml_vdec_m2m_ops;
87
88
89	/*
90	* aml_vdec_lock/aml_vdec_unlock are for ctx instance to
91	* get/release lock before/after access decoder hw.
92	* aml_vdec_lock get decoder hw lock and set curr_ctx
93	* to ctx instance that get lock
94	*/
95	void aml_vdec_unlock(struct aml_vcodec_ctx *ctx);
96	void aml_vdec_lock(struct aml_vcodec_ctx *ctx);
97	int aml_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq,
98	struct vb2_queue *dst_vq);
99	void aml_vcodec_dec_set_default_params(struct aml_vcodec_ctx *ctx);
100	void aml_vcodec_dec_release(struct aml_vcodec_ctx *ctx);
101	int aml_vcodec_dec_ctrls_setup(struct aml_vcodec_ctx *ctx);
102
103	void vdec_device_vf_run(struct aml_vcodec_ctx *ctx);
104
105	void try_to_capture(struct aml_vcodec_ctx *ctx);
106	void aml_thread_notify(struct aml_vcodec_ctx *ctx,
107	enum aml_thread_type type);
108	int aml_thread_start(struct aml_vcodec_ctx *ctx, aml_thread_func func,
109	enum aml_thread_type type, const char *thread_name);
110	void aml_thread_stop(struct aml_vcodec_ctx *ctx);
111
112	#endif /* _AML_VCODEC_DEC_H_ */
113