blob: 765b788bc386ca80b850a209cc067e477398b022
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 | #define AML_V4L2_SET_DECMODE (V4L2_CID_USER_AMLOGIC_BASE + 0) |
42 | |
43 | /** |
44 | * struct vdec_fb - decoder frame buffer |
45 | * @mem_type : gather or scatter memory. |
46 | * @num_planes : used number of the plane |
47 | * @mem[4] : array mem for used planes, |
48 | * mem[0]: Y, mem[1]: C/U, mem[2]: V |
49 | * @vf_fd : the file handle of video frame |
50 | * @vf_handle : video frame handle |
51 | * @status : frame buffer status (vdec_fb_status) |
52 | */ |
53 | |
54 | struct vdec_v4l2_buffer { |
55 | int mem_type; |
56 | int num_planes; |
57 | union { |
58 | struct aml_vcodec_mem mem[4]; |
59 | u32 vf_fd; |
60 | } m; |
61 | ulong vf_handle; |
62 | u32 status; |
63 | }; |
64 | |
65 | |
66 | /** |
67 | * struct aml_video_dec_buf - Private data related to each VB2 buffer. |
68 | * @b: VB2 buffer |
69 | * @list: link list |
70 | * @used: Capture buffer contain decoded frame data and keep in |
71 | * codec data structure |
72 | * @ready_to_display: Capture buffer not display yet |
73 | * @queued_in_vb2: Capture buffer is queue in vb2 |
74 | * @queued_in_v4l2: Capture buffer is in v4l2 driver, but not in vb2 |
75 | * queue yet |
76 | * @lastframe: Intput buffer is last buffer - EOS |
77 | * @error: An unrecoverable error occurs on this buffer. |
78 | * @frame_buffer: Decode status, and buffer information of Capture buffer |
79 | * |
80 | * Note : These status information help us track and debug buffer state |
81 | */ |
82 | struct aml_video_dec_buf { |
83 | struct vb2_v4l2_buffer vb; |
84 | struct list_head list; |
85 | |
86 | struct vdec_v4l2_buffer frame_buffer; |
87 | struct file_private_data privdata; |
88 | struct codec_mm_s *mem[2]; |
89 | char mem_onwer[32]; |
90 | bool used; |
91 | bool ready_to_display; |
92 | bool que_in_m2m; |
93 | bool queued_in_vb2; |
94 | bool queued_in_v4l2; |
95 | bool lastframe; |
96 | bool error; |
97 | bool is_install_privdata; |
98 | }; |
99 | |
100 | extern const struct v4l2_ioctl_ops aml_vdec_ioctl_ops; |
101 | extern const struct v4l2_m2m_ops aml_vdec_m2m_ops; |
102 | |
103 | /* |
104 | * aml_vdec_lock/aml_vdec_unlock are for ctx instance to |
105 | * get/release lock before/after access decoder hw. |
106 | * aml_vdec_lock get decoder hw lock and set curr_ctx |
107 | * to ctx instance that get lock |
108 | */ |
109 | void aml_vdec_unlock(struct aml_vcodec_ctx *ctx); |
110 | void aml_vdec_lock(struct aml_vcodec_ctx *ctx); |
111 | int aml_vcodec_dec_queue_init(void *priv, struct vb2_queue *src_vq, |
112 | struct vb2_queue *dst_vq); |
113 | void aml_vcodec_dec_set_default_params(struct aml_vcodec_ctx *ctx); |
114 | void aml_vcodec_dec_release(struct aml_vcodec_ctx *ctx); |
115 | int aml_vcodec_dec_ctrls_setup(struct aml_vcodec_ctx *ctx); |
116 | void vdec_device_vf_run(struct aml_vcodec_ctx *ctx); |
117 | void try_to_capture(struct aml_vcodec_ctx *ctx); |
118 | void aml_thread_notify(struct aml_vcodec_ctx *ctx, |
119 | enum aml_thread_type type); |
120 | int aml_thread_start(struct aml_vcodec_ctx *ctx, aml_thread_func func, |
121 | enum aml_thread_type type, const char *thread_name); |
122 | void aml_thread_stop(struct aml_vcodec_ctx *ctx); |
123 | void wait_vcodec_ending(struct aml_vcodec_ctx *ctx); |
124 | void vdec_frame_buffer_release(void *data); |
125 | void aml_vdec_dispatch_event(struct aml_vcodec_ctx *ctx, u32 changes); |
126 | |
127 | #endif /* _AML_VCODEC_DEC_H_ */ |
128 |