1 /*
2  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
3  * Copyright (C) 2017 Linaro Ltd.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 and
7  * only version 2 as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  */
15 #ifndef __VENUS_HELPERS_H__
16 #define __VENUS_HELPERS_H__
17 
18 #include <media/videobuf2-v4l2.h>
19 
20 struct venus_inst;
21 
22 bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt);
23 struct vb2_v4l2_buffer *venus_helper_find_buf(struct venus_inst *inst,
24 					      unsigned int type, u32 idx);
25 void venus_helper_buffers_done(struct venus_inst *inst,
26 			       enum vb2_buffer_state state);
27 int venus_helper_vb2_buf_init(struct vb2_buffer *vb);
28 int venus_helper_vb2_buf_prepare(struct vb2_buffer *vb);
29 void venus_helper_vb2_buf_queue(struct vb2_buffer *vb);
30 void venus_helper_vb2_stop_streaming(struct vb2_queue *q);
31 int venus_helper_vb2_start_streaming(struct venus_inst *inst);
32 void venus_helper_m2m_device_run(void *priv);
33 void venus_helper_m2m_job_abort(void *priv);
34 int venus_helper_get_bufreq(struct venus_inst *inst, u32 type,
35 			    struct hfi_buffer_requirements *req);
36 int venus_helper_set_input_resolution(struct venus_inst *inst,
37 				      unsigned int width, unsigned int height);
38 int venus_helper_set_output_resolution(struct venus_inst *inst,
39 				       unsigned int width, unsigned int height);
40 int venus_helper_set_num_bufs(struct venus_inst *inst, unsigned int input_bufs,
41 			      unsigned int output_bufs);
42 int venus_helper_set_color_format(struct venus_inst *inst, u32 fmt);
43 void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf);
44 void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx);
45 void venus_helper_init_instance(struct venus_inst *inst);
46 #endif
47