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1 /**************************************************************************
2  *
3  * Copyright 2013 Advanced Micro Devices, Inc.
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25  *
26  **************************************************************************/
27 
28 #ifndef RADEON_VIDEO_H
29 #define RADEON_VIDEO_H
30 
31 #include "radeon/radeon_winsys.h"
32 #include "vl/vl_video_buffer.h"
33 
34 #define RVID_ERR(fmt, args...) \
35 	fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
36 
37 #define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
38 
39 /* video buffer representation */
40 struct rvid_buffer
41 {
42 	unsigned		usage;
43 	struct r600_resource	*res;
44 };
45 
46 /* generate an stream handle */
47 unsigned si_vid_alloc_stream_handle(void);
48 
49 /* create a buffer in the winsys */
50 bool si_vid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
51 			  unsigned size, unsigned usage);
52 
53 /* destroy a buffer */
54 void si_vid_destroy_buffer(struct rvid_buffer *buffer);
55 
56 /* reallocate a buffer, preserving its content */
57 bool si_vid_resize_buffer(struct pipe_screen *screen, struct radeon_winsys_cs *cs,
58 			  struct rvid_buffer *new_buf, unsigned new_size);
59 
60 /* clear the buffer with zeros */
61 void si_vid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
62 
63 /* join surfaces into the same buffer with identical tiling params
64    sumup their sizes and replace the backend buffers with a single bo */
65 void si_vid_join_surfaces(struct r600_common_context *rctx,
66 			  struct pb_buffer** buffers[VL_NUM_COMPONENTS],
67 			  struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
68 
69 #endif // RADEON_VIDEO_H
70