2 * Copyright 2012 Samsung Electronics S.LSI Co. LTD
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 * \brief header file for libv4l2
20 * \author Jinsung Yang (jsgood.yang@samsung.com)
23 * <b>Revision History: </b>
24 * - 2011/12/15 : Jinsung Yang (jsgood.yang@samsung.com) \n
30 * \defgroup exynos_v4l2
35 #ifndef __EXYNOS_LIB_V4L2_H__
36 #define __EXYNOS_LIB_V4L2_H__
45 #include <linux/videodev2.h>
46 #include <linux/videodev2_exynos_media.h>
48 #include "videodev2.h" /* vendor specific videodev2.h */
49 #include "videodev2_exynos_media.h"
52 /*! \ingroup exynos_v4l2 */
53 int exynos_v4l2_open(const char *filename, int oflag, ...);
54 /*! \ingroup exynos_v4l2 */
55 int exynos_v4l2_open_devname(const char *devname, int oflag, ...);
56 /*! \ingroup exynos_v4l2 */
57 int exynos_v4l2_close(int fd);
58 /*! \ingroup exynos_v4l2 */
59 bool exynos_v4l2_enuminput(int fd, int index, char *input_name_buf);
60 /*! \ingroup exynos_v4l2 */
61 int exynos_v4l2_s_input(int fd, int index);
62 /*! \ingroup exynos_v4l2 */
63 bool exynos_v4l2_querycap(int fd, unsigned int need_caps);
64 /*! \ingroup exynos_v4l2 */
65 bool exynos_v4l2_enum_fmt(int fd, enum v4l2_buf_type type, unsigned int fmt);
66 /*! \ingroup exynos_v4l2 */
67 int exynos_v4l2_g_fmt(int fd, struct v4l2_format *fmt);
68 /*! \ingroup exynos_v4l2 */
69 int exynos_v4l2_s_fmt(int fd, struct v4l2_format *fmt);
70 /*! \ingroup exynos_v4l2 */
71 int exynos_v4l2_try_fmt(int fd, struct v4l2_format *fmt);
72 /*! \ingroup exynos_v4l2 */
73 int exynos_v4l2_reqbufs(int fd, struct v4l2_requestbuffers *req);
74 /*! \ingroup exynos_v4l2 */
75 int exynos_v4l2_querybuf(int fd, struct v4l2_buffer *buf);
77 int exynos_v4l2_expbuf(int fd, int *buf_fd, __u32 mem_offset);
79 /*! \ingroup exynos_v4l2 */
80 int exynos_v4l2_qbuf(int fd, struct v4l2_buffer *buf);
81 /*! \ingroup exynos_v4l2 */
82 int exynos_v4l2_dqbuf(int fd, struct v4l2_buffer *buf);
83 /*! \ingroup exynos_v4l2 */
84 int exynos_v4l2_streamon(int fd, enum v4l2_buf_type type);
85 /*! \ingroup exynos_v4l2 */
86 int exynos_v4l2_streamoff(int fd, enum v4l2_buf_type type);
87 /*! \ingroup exynos_v4l2 */
88 int exynos_v4l2_cropcap(int fd, struct v4l2_cropcap *crop);
89 /*! \ingroup exynos_v4l2 */
90 int exynos_v4l2_g_crop(int fd, struct v4l2_crop *crop);
91 /*! \ingroup exynos_v4l2 */
92 int exynos_v4l2_s_crop(int fd, struct v4l2_crop *crop);
93 /*! \ingroup exynos_v4l2 */
94 int exynos_v4l2_g_ctrl(int fd, unsigned int id, int *value);
95 /*! \ingroup exynos_v4l2 */
96 int exynos_v4l2_s_ctrl(int fd, unsigned int id, int value);
97 /*! \ingroup exynos_v4l2 */
98 int exynos_v4l2_g_parm(int fd, struct v4l2_streamparm *streamparm);
99 /*! \ingroup exynos_v4l2 */
100 int exynos_v4l2_s_parm(int fd, struct v4l2_streamparm *streamparm);
101 /*! \ingroup exynos_v4l2 */
102 int exynos_v4l2_g_ext_ctrl(int fd, struct v4l2_ext_controls *ctrl);
103 /*! \ingroup exynos_v4l2 */
104 int exynos_v4l2_s_ext_ctrl(int fd, struct v4l2_ext_controls *ctrl);
107 #ifndef SLP_PLATFORM /* build env */
108 #include <v4l2-subdev.h>
110 #include <linux/v4l2-subdev.h>
113 /*! \ingroup exynos_v4l2 */
114 int exynos_subdev_open(const char *filename, int oflag, ...);
115 /*! \ingroup exynos_v4l2 */
116 int exynos_subdev_open_devname(const char *devname, int oflag, ...);
117 /*! \ingroup exynos_v4l2 */
118 int exynos_subdev_enum_frame_size(int fd, struct v4l2_subdev_frame_size_enum *frame_size_enum);
119 /*! \ingroup exynos_v4l2 */
120 int exynos_subdev_g_fmt(int fd, struct v4l2_subdev_format *fmt);
121 /*! \ingroup exynos_v4l2 */
122 int exynos_subdev_s_fmt(int fd, struct v4l2_subdev_format *fmt);
123 /*! \ingroup exynos_v4l2 */
124 int exynos_subdev_g_crop(int fd, struct v4l2_subdev_crop *crop);
125 /*! \ingroup exynos_v4l2 */
126 int exynos_subdev_s_crop(int fd, struct v4l2_subdev_crop *crop);
127 /*! \ingroup exynos_v4l2 */
128 int exynos_subdev_enum_frame_interval(int fd, struct v4l2_subdev_frame_interval_enum *frame_internval_enum);
129 /*! \ingroup exynos_v4l2 */
130 int exynos_subdev_g_frame_interval(int fd, struct v4l2_subdev_frame_interval *frame_internval_enum);
131 /*! \ingroup exynos_v4l2 */
132 int exynos_subdev_s_frame_interval(int fd, struct v4l2_subdev_frame_interval *frame_internval_enum);
133 /*! \ingroup exynos_v4l2 */
134 int exynos_subdev_enum_mbus_code(int fd, struct v4l2_subdev_mbus_code_enum *mbus_code_enum);
136 /* MEDIA CONTORLLER */
137 #ifndef SLP_PLATFORM /* build env */
140 #include <linux/media.h>
144 * \ingroup exynos_v4l2
147 struct media_pad *source;
148 struct media_pad *sink;
149 struct media_link *twin;
155 * \ingroup exynos_v4l2
158 struct media_entity *entity;
165 * \ingroup exynos_v4l2
167 struct media_entity {
168 struct media_device *media;
169 struct media_entity_desc info;
170 struct media_pad *pads;
171 struct media_link *links;
172 unsigned int max_links;
173 unsigned int num_links;
181 * \ingroup exynos_v4l2
183 struct media_device {
185 struct media_entity *entities;
186 unsigned int entities_count;
187 void (*debug_handler)(void *, ...);
192 /*! \ingroup exynos_v4l2 */
193 struct media_device *exynos_media_open(const char *filename);
194 /*! \ingroup exynos_v4l2 */
195 void exynos_media_close(struct media_device *media);
196 /*! \ingroup exynos_v4l2 */
197 struct media_pad *exynos_media_entity_remote_source(struct media_pad *pad);
198 /*! \ingroup exynos_v4l2 */
199 struct media_entity *exynos_media_get_entity_by_name(struct media_device *media, const char *name, size_t length);
200 /*! \ingroup exynos_v4l2 */
201 struct media_entity *exynos_media_get_entity_by_id(struct media_device *media, __u32 id);
202 /*! \ingroup exynos_v4l2 */
203 int exynos_media_setup_link(struct media_device *media, struct media_pad *source, struct media_pad *sink, __u32 flags);
204 /*! \ingroup exynos_v4l2 */
205 int exynos_media_reset_links(struct media_device *media);
206 /*! \ingroup exynos_v4l2 */
207 struct media_pad *exynos_media_parse_pad(struct media_device *media, const char *p, char **endp);
208 /*! \ingroup exynos_v4l2 */
209 struct media_link *exynos_media_parse_link(struct media_device *media, const char *p, char **endp);
210 /*! \ingroup exynos_v4l2 */
211 int exynos_media_parse_setup_link(struct media_device *media, const char *p, char **endp);
212 /*! \ingroup exynos_v4l2 */
213 int exynos_media_parse_setup_links(struct media_device *media, const char *p);
219 #endif /* __EXYNOS_LIB_V4L2_H__ */