xref: /OK3568_Linux_fs/external/camera_engine_rkaiq/rkisp_demo/demo/rga_control.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (C) 2019 Rockchip Electronics Co., Ltd.
3  * author: Zhihua Wang, hogan.wang@rock-chips.com
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL), available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 #include <rga/RgaApi.h>
34 #include <stdio.h>
35 
36 extern int c_RkRgaFree(bo_t *bo_info);
37 
rga_control_buffer_init(bo_t * bo,int * buf_fd,int width,int height,int bpp)38 int rga_control_buffer_init(bo_t *bo, int *buf_fd, int width, int height, int bpp)
39 {
40     int ret;
41 
42     ret = c_RkRgaInit();
43     if (ret) {
44         printf("c_RkRgaInit error : %s\n", strerror(errno));
45         return ret;
46     }
47 
48     ret = c_RkRgaGetAllocBuffer(bo, width, height, bpp);
49     if (ret) {
50         printf("c_RkRgaGetAllocBuffer error : %s\n", strerror(errno));
51         return ret;
52     }
53 
54     ret = c_RkRgaGetMmap(bo);
55     if (ret) {
56         printf("c_RkRgaGetMmap error : %s\n", strerror(errno));
57         return ret;
58     }
59 
60     ret = c_RkRgaGetBufferFd(bo, buf_fd);
61     if (ret) {
62         printf("c_RkRgaGetBufferFd error : %s\n", strerror(errno));
63         return ret;
64     }
65 
66     return 0;
67 }
68 
rga_control_buffer_deinit(bo_t * bo,int buf_fd)69 void rga_control_buffer_deinit(bo_t *bo, int buf_fd)
70 {
71     int ret;
72 
73     if (buf_fd >= 0)
74         close(buf_fd);
75     ret = c_RkRgaUnmap(bo);
76     if (ret)
77         printf("c_RkRgaUnmap error : %s\n", strerror(errno));
78     ret = c_RkRgaFree(bo);
79     if (ret)
80         printf("c_RkRgaFree error : %s\n", strerror(errno));
81 }
82