Jiho Chang | 20c5168 | 2012-03-24 05:37:21 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 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 |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 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. |
| 15 | */ |
| 16 | |
| 17 | /*! |
| 18 | * \file exynos_v4l2.h |
| 19 | * \brief header file for libv4l2 |
| 20 | * \author Jinsung Yang (jsgood.yang@samsung.com) |
| 21 | * \date 2011/12/15 |
| 22 | * |
| 23 | * <b>Revision History: </b> |
| 24 | * - 2011/12/15 : Jinsung Yang (jsgood.yang@samsung.com) \n |
| 25 | * Initial version |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | /*! |
| 30 | * \defgroup exynos_v4l2 |
| 31 | * \brief API for v4l2 |
| 32 | * \addtogroup Exynos |
| 33 | */ |
| 34 | |
| 35 | #ifndef __EXYNOS_LIB_V4L2_H__ |
| 36 | #define __EXYNOS_LIB_V4L2_H__ |
| 37 | |
| 38 | #ifdef __cplusplus |
| 39 | extern "C" { |
| 40 | #endif |
| 41 | |
| 42 | /* V4L2 */ |
| 43 | #include <stdbool.h> |
Christopher Ferris | 0dd00e7 | 2013-12-04 14:53:23 -0800 | [diff] [blame] | 44 | #include <linux/videodev2.h> /* vendor specific videodev2.h */ |
Jiho Chang | 234f72f | 2012-04-26 12:59:36 -0700 | [diff] [blame] | 45 | #include "videodev2_exynos_media.h" |
Jiho Chang | 20c5168 | 2012-03-24 05:37:21 +0900 | [diff] [blame] | 46 | |
| 47 | /*! \ingroup exynos_v4l2 */ |
| 48 | int exynos_v4l2_open(const char *filename, int oflag, ...); |
| 49 | /*! \ingroup exynos_v4l2 */ |
| 50 | int exynos_v4l2_open_devname(const char *devname, int oflag, ...); |
| 51 | /*! \ingroup exynos_v4l2 */ |
| 52 | int exynos_v4l2_close(int fd); |
| 53 | /*! \ingroup exynos_v4l2 */ |
| 54 | bool exynos_v4l2_enuminput(int fd, int index, char *input_name_buf); |
| 55 | /*! \ingroup exynos_v4l2 */ |
| 56 | int exynos_v4l2_s_input(int fd, int index); |
| 57 | /*! \ingroup exynos_v4l2 */ |
| 58 | bool exynos_v4l2_querycap(int fd, unsigned int need_caps); |
| 59 | /*! \ingroup exynos_v4l2 */ |
| 60 | bool exynos_v4l2_enum_fmt(int fd, enum v4l2_buf_type type, unsigned int fmt); |
| 61 | /*! \ingroup exynos_v4l2 */ |
| 62 | int exynos_v4l2_g_fmt(int fd, struct v4l2_format *fmt); |
| 63 | /*! \ingroup exynos_v4l2 */ |
| 64 | int exynos_v4l2_s_fmt(int fd, struct v4l2_format *fmt); |
| 65 | /*! \ingroup exynos_v4l2 */ |
| 66 | int exynos_v4l2_try_fmt(int fd, struct v4l2_format *fmt); |
| 67 | /*! \ingroup exynos_v4l2 */ |
| 68 | int exynos_v4l2_reqbufs(int fd, struct v4l2_requestbuffers *req); |
| 69 | /*! \ingroup exynos_v4l2 */ |
| 70 | int exynos_v4l2_querybuf(int fd, struct v4l2_buffer *buf); |
| 71 | /*! \ingroup exynos_v4l2 */ |
| 72 | int exynos_v4l2_qbuf(int fd, struct v4l2_buffer *buf); |
| 73 | /*! \ingroup exynos_v4l2 */ |
| 74 | int exynos_v4l2_dqbuf(int fd, struct v4l2_buffer *buf); |
| 75 | /*! \ingroup exynos_v4l2 */ |
| 76 | int exynos_v4l2_streamon(int fd, enum v4l2_buf_type type); |
| 77 | /*! \ingroup exynos_v4l2 */ |
| 78 | int exynos_v4l2_streamoff(int fd, enum v4l2_buf_type type); |
| 79 | /*! \ingroup exynos_v4l2 */ |
| 80 | int exynos_v4l2_cropcap(int fd, struct v4l2_cropcap *crop); |
| 81 | /*! \ingroup exynos_v4l2 */ |
| 82 | int exynos_v4l2_g_crop(int fd, struct v4l2_crop *crop); |
| 83 | /*! \ingroup exynos_v4l2 */ |
| 84 | int exynos_v4l2_s_crop(int fd, struct v4l2_crop *crop); |
| 85 | /*! \ingroup exynos_v4l2 */ |
| 86 | int exynos_v4l2_g_ctrl(int fd, unsigned int id, int *value); |
| 87 | /*! \ingroup exynos_v4l2 */ |
| 88 | int exynos_v4l2_s_ctrl(int fd, unsigned int id, int value); |
| 89 | /*! \ingroup exynos_v4l2 */ |
| 90 | int exynos_v4l2_g_parm(int fd, struct v4l2_streamparm *streamparm); |
| 91 | /*! \ingroup exynos_v4l2 */ |
| 92 | int exynos_v4l2_s_parm(int fd, struct v4l2_streamparm *streamparm); |
| 93 | /*! \ingroup exynos_v4l2 */ |
| 94 | int exynos_v4l2_g_ext_ctrl(int fd, struct v4l2_ext_controls *ctrl); |
| 95 | /*! \ingroup exynos_v4l2 */ |
| 96 | int exynos_v4l2_s_ext_ctrl(int fd, struct v4l2_ext_controls *ctrl); |
| 97 | |
| 98 | /* V4L2_SUBDEV */ |
| 99 | #include <v4l2-subdev.h> |
| 100 | |
| 101 | /*! \ingroup exynos_v4l2 */ |
| 102 | int exynos_subdev_open(const char *filename, int oflag, ...); |
| 103 | /*! \ingroup exynos_v4l2 */ |
| 104 | int exynos_subdev_open_devname(const char *devname, int oflag, ...); |
| 105 | /*! \ingroup exynos_v4l2 */ |
| 106 | int exynos_subdev_enum_frame_size(int fd, struct v4l2_subdev_frame_size_enum *frame_size_enum); |
| 107 | /*! \ingroup exynos_v4l2 */ |
| 108 | int exynos_subdev_g_fmt(int fd, struct v4l2_subdev_format *fmt); |
| 109 | /*! \ingroup exynos_v4l2 */ |
| 110 | int exynos_subdev_s_fmt(int fd, struct v4l2_subdev_format *fmt); |
| 111 | /*! \ingroup exynos_v4l2 */ |
| 112 | int exynos_subdev_g_crop(int fd, struct v4l2_subdev_crop *crop); |
| 113 | /*! \ingroup exynos_v4l2 */ |
| 114 | int exynos_subdev_s_crop(int fd, struct v4l2_subdev_crop *crop); |
| 115 | /*! \ingroup exynos_v4l2 */ |
| 116 | int exynos_subdev_enum_frame_interval(int fd, struct v4l2_subdev_frame_interval_enum *frame_internval_enum); |
| 117 | /*! \ingroup exynos_v4l2 */ |
| 118 | int exynos_subdev_g_frame_interval(int fd, struct v4l2_subdev_frame_interval *frame_internval_enum); |
| 119 | /*! \ingroup exynos_v4l2 */ |
| 120 | int exynos_subdev_s_frame_interval(int fd, struct v4l2_subdev_frame_interval *frame_internval_enum); |
| 121 | /*! \ingroup exynos_v4l2 */ |
| 122 | int exynos_subdev_enum_mbus_code(int fd, struct v4l2_subdev_mbus_code_enum *mbus_code_enum); |
| 123 | |
| 124 | /* MEDIA CONTORLLER */ |
| 125 | #include <media.h> |
| 126 | |
| 127 | /*! media_link |
| 128 | * \ingroup exynos_v4l2 |
| 129 | */ |
| 130 | struct media_link { |
| 131 | struct media_pad *source; |
| 132 | struct media_pad *sink; |
| 133 | struct media_link *twin; |
| 134 | __u32 flags; |
| 135 | __u32 padding[3]; |
| 136 | }; |
| 137 | |
| 138 | /*! media_link |
| 139 | * \ingroup exynos_v4l2 |
| 140 | */ |
| 141 | struct media_pad { |
| 142 | struct media_entity *entity; |
| 143 | __u32 index; |
| 144 | __u32 flags; |
| 145 | __u32 padding[3]; |
| 146 | }; |
| 147 | |
| 148 | /*! media_link |
| 149 | * \ingroup exynos_v4l2 |
| 150 | */ |
| 151 | struct media_entity { |
| 152 | struct media_device *media; |
| 153 | struct media_entity_desc info; |
| 154 | struct media_pad *pads; |
| 155 | struct media_link *links; |
| 156 | unsigned int max_links; |
| 157 | unsigned int num_links; |
| 158 | |
| 159 | char devname[32]; |
| 160 | int fd; |
| 161 | __u32 padding[6]; |
| 162 | }; |
| 163 | |
| 164 | /*! media_link |
| 165 | * \ingroup exynos_v4l2 |
| 166 | */ |
| 167 | struct media_device { |
| 168 | int fd; |
| 169 | struct media_entity *entities; |
| 170 | unsigned int entities_count; |
| 171 | void (*debug_handler)(void *, ...); |
| 172 | void *debug_priv; |
| 173 | __u32 padding[6]; |
| 174 | }; |
| 175 | |
| 176 | /*! \ingroup exynos_v4l2 */ |
| 177 | struct media_device *exynos_media_open(const char *filename); |
| 178 | /*! \ingroup exynos_v4l2 */ |
| 179 | void exynos_media_close(struct media_device *media); |
| 180 | /*! \ingroup exynos_v4l2 */ |
| 181 | struct media_pad *exynos_media_entity_remote_source(struct media_pad *pad); |
| 182 | /*! \ingroup exynos_v4l2 */ |
| 183 | struct media_entity *exynos_media_get_entity_by_name(struct media_device *media, const char *name, size_t length); |
| 184 | /*! \ingroup exynos_v4l2 */ |
| 185 | struct media_entity *exynos_media_get_entity_by_id(struct media_device *media, __u32 id); |
| 186 | /*! \ingroup exynos_v4l2 */ |
| 187 | int exynos_media_setup_link(struct media_device *media, struct media_pad *source, struct media_pad *sink, __u32 flags); |
| 188 | /*! \ingroup exynos_v4l2 */ |
| 189 | int exynos_media_reset_links(struct media_device *media); |
| 190 | /*! \ingroup exynos_v4l2 */ |
| 191 | struct media_pad *exynos_media_parse_pad(struct media_device *media, const char *p, char **endp); |
| 192 | /*! \ingroup exynos_v4l2 */ |
| 193 | struct media_link *exynos_media_parse_link(struct media_device *media, const char *p, char **endp); |
| 194 | /*! \ingroup exynos_v4l2 */ |
| 195 | int exynos_media_parse_setup_link(struct media_device *media, const char *p, char **endp); |
| 196 | /*! \ingroup exynos_v4l2 */ |
| 197 | int exynos_media_parse_setup_links(struct media_device *media, const char *p); |
| 198 | |
| 199 | #ifdef __cplusplus |
| 200 | } |
| 201 | #endif |
| 202 | |
| 203 | #endif /* __EXYNOS_LIB_V4L2_H__ */ |