1 /* 2 * 3 * V 4 L 2 D R I V E R H E L P E R A P I 4 * 5 * Moved from videodev2.h 6 * 7 * Some commonly needed functions for drivers (v4l2-common.o module) 8 */ 9 #ifndef _V4L2_IOCTL_H 10 #define _V4L2_IOCTL_H 11 12 #include <linux/poll.h> 13 #include <linux/fs.h> 14 #include <linux/mutex.h> 15 #include <linux/compiler.h> /* need __user */ 16 #include <linux/videodev2.h> 17 18 struct v4l2_fh; 19 20 /** 21 * struct v4l2_ioctl_ops - describe operations for each V4L2 ioctl 22 * 23 * @vidioc_querycap: pointer to the function that implements 24 * :ref:`VIDIOC_QUERYCAP <vidioc_querycap>` ioctl 25 * @vidioc_enum_fmt_vid_cap: pointer to the function that implements 26 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 27 * for video capture in single plane mode 28 * @vidioc_enum_fmt_vid_overlay: pointer to the function that implements 29 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 30 * for video overlay 31 * @vidioc_enum_fmt_vid_out: pointer to the function that implements 32 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 33 * for video output in single plane mode 34 * @vidioc_enum_fmt_vid_cap_mplane: pointer to the function that implements 35 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 36 * for video capture in multiplane mode 37 * @vidioc_enum_fmt_vid_out_mplane: pointer to the function that implements 38 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 39 * for video output in multiplane mode 40 * @vidioc_enum_fmt_sdr_cap: pointer to the function that implements 41 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 42 * for Software Defined Radio capture 43 * @vidioc_enum_fmt_sdr_out: pointer to the function that implements 44 * :ref:`VIDIOC_ENUM_FMT <vidioc_enum_fmt>` ioctl logic 45 * for Software Defined Radio output 46 * @vidioc_g_fmt_vid_cap: pointer to the function that implements 47 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture 48 * in single plane mode 49 * @vidioc_g_fmt_vid_overlay: pointer to the function that implements 50 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay 51 * @vidioc_g_fmt_vid_out: pointer to the function that implements 52 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out 53 * in single plane mode 54 * @vidioc_g_fmt_vid_out_overlay: pointer to the function that implements 55 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video overlay output 56 * @vidioc_g_fmt_vbi_cap: pointer to the function that implements 57 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture 58 * @vidioc_g_fmt_vbi_out: pointer to the function that implements 59 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output 60 * @vidioc_g_fmt_sliced_vbi_cap: pointer to the function that implements 61 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture 62 * @vidioc_g_fmt_sliced_vbi_out: pointer to the function that implements 63 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output 64 * @vidioc_g_fmt_vid_cap_mplane: pointer to the function that implements 65 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video capture 66 * in multiple plane mode 67 * @vidioc_g_fmt_vid_out_mplane: pointer to the function that implements 68 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for video out 69 * in multiplane plane mode 70 * @vidioc_g_fmt_sdr_cap: pointer to the function that implements 71 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined 72 * Radio capture 73 * @vidioc_g_fmt_sdr_out: pointer to the function that implements 74 * :ref:`VIDIOC_G_FMT <vidioc_g_fmt>` ioctl logic for Software Defined 75 * Radio output 76 * @vidioc_s_fmt_vid_cap: pointer to the function that implements 77 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture 78 * in single plane mode 79 * @vidioc_s_fmt_vid_overlay: pointer to the function that implements 80 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay 81 * @vidioc_s_fmt_vid_out: pointer to the function that implements 82 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out 83 * in single plane mode 84 * @vidioc_s_fmt_vid_out_overlay: pointer to the function that implements 85 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video overlay output 86 * @vidioc_s_fmt_vbi_cap: pointer to the function that implements 87 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture 88 * @vidioc_s_fmt_vbi_out: pointer to the function that implements 89 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output 90 * @vidioc_s_fmt_sliced_vbi_cap: pointer to the function that implements 91 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI capture 92 * @vidioc_s_fmt_sliced_vbi_out: pointer to the function that implements 93 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output 94 * @vidioc_s_fmt_vid_cap_mplane: pointer to the function that implements 95 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video capture 96 * in multiple plane mode 97 * @vidioc_s_fmt_vid_out_mplane: pointer to the function that implements 98 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for video out 99 * in multiplane plane mode 100 * @vidioc_s_fmt_sdr_cap: pointer to the function that implements 101 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined 102 * Radio capture 103 * @vidioc_s_fmt_sdr_out: pointer to the function that implements 104 * :ref:`VIDIOC_S_FMT <vidioc_g_fmt>` ioctl logic for Software Defined 105 * Radio output 106 * @vidioc_try_fmt_vid_cap: pointer to the function that implements 107 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture 108 * in single plane mode 109 * @vidioc_try_fmt_vid_overlay: pointer to the function that implements 110 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay 111 * @vidioc_try_fmt_vid_out: pointer to the function that implements 112 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out 113 * in single plane mode 114 * @vidioc_try_fmt_vid_out_overlay: pointer to the function that implements 115 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video overlay 116 * output 117 * @vidioc_try_fmt_vbi_cap: pointer to the function that implements 118 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI capture 119 * @vidioc_try_fmt_vbi_out: pointer to the function that implements 120 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for raw VBI output 121 * @vidioc_try_fmt_sliced_vbi_cap: pointer to the function that implements 122 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI 123 * capture 124 * @vidioc_try_fmt_sliced_vbi_out: pointer to the function that implements 125 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for sliced VBI output 126 * @vidioc_try_fmt_vid_cap_mplane: pointer to the function that implements 127 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video capture 128 * in multiple plane mode 129 * @vidioc_try_fmt_vid_out_mplane: pointer to the function that implements 130 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for video out 131 * in multiplane plane mode 132 * @vidioc_try_fmt_sdr_cap: pointer to the function that implements 133 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined 134 * Radio capture 135 * @vidioc_try_fmt_sdr_out: pointer to the function that implements 136 * :ref:`VIDIOC_TRY_FMT <vidioc_g_fmt>` ioctl logic for Software Defined 137 * Radio output 138 * @vidioc_reqbufs: pointer to the function that implements 139 * :ref:`VIDIOC_REQBUFS <vidioc_reqbufs>` ioctl 140 * @vidioc_querybuf: pointer to the function that implements 141 * :ref:`VIDIOC_QUERYBUF <vidioc_querybuf>` ioctl 142 * @vidioc_qbuf: pointer to the function that implements 143 * :ref:`VIDIOC_QBUF <vidioc_qbuf>` ioctl 144 * @vidioc_expbuf: pointer to the function that implements 145 * :ref:`VIDIOC_EXPBUF <vidioc_expbuf>` ioctl 146 * @vidioc_dqbuf: pointer to the function that implements 147 * :ref:`VIDIOC_DQBUF <vidioc_qbuf>` ioctl 148 * @vidioc_create_bufs: pointer to the function that implements 149 * :ref:`VIDIOC_CREATE_BUFS <vidioc_create_bufs>` ioctl 150 * @vidioc_prepare_buf: pointer to the function that implements 151 * :ref:`VIDIOC_PREPARE_BUF <vidioc_prepare_buf>` ioctl 152 * @vidioc_overlay: pointer to the function that implements 153 * :ref:`VIDIOC_OVERLAY <vidioc_overlay>` ioctl 154 * @vidioc_g_fbuf: pointer to the function that implements 155 * :ref:`VIDIOC_G_FBUF <vidioc_g_fbuf>` ioctl 156 * @vidioc_s_fbuf: pointer to the function that implements 157 * :ref:`VIDIOC_S_FBUF <vidioc_g_fbuf>` ioctl 158 * @vidioc_streamon: pointer to the function that implements 159 * :ref:`VIDIOC_STREAMON <vidioc_streamon>` ioctl 160 * @vidioc_streamoff: pointer to the function that implements 161 * :ref:`VIDIOC_STREAMOFF <vidioc_streamon>` ioctl 162 * @vidioc_g_std: pointer to the function that implements 163 * :ref:`VIDIOC_G_STD <vidioc_g_std>` ioctl 164 * @vidioc_s_std: pointer to the function that implements 165 * :ref:`VIDIOC_S_STD <vidioc_g_std>` ioctl 166 * @vidioc_querystd: pointer to the function that implements 167 * :ref:`VIDIOC_QUERYSTD <vidioc_querystd>` ioctl 168 * @vidioc_enum_input: pointer to the function that implements 169 * :ref:`VIDIOC_ENUM_INPUT <vidioc_g_input>` ioctl 170 * @vidioc_g_input: pointer to the function that implements 171 * :ref:`VIDIOC_G_INPUT <vidioc_g_input>` ioctl 172 * @vidioc_s_input: pointer to the function that implements 173 * :ref:`VIDIOC_S_INPUT <vidioc_g_input>` ioctl 174 * @vidioc_enum_output: pointer to the function that implements 175 * :ref:`VIDIOC_ENUM_OUTPUT <vidioc_g_output>` ioctl 176 * @vidioc_g_output: pointer to the function that implements 177 * :ref:`VIDIOC_G_OUTPUT <vidioc_g_output>` ioctl 178 * @vidioc_s_output: pointer to the function that implements 179 * :ref:`VIDIOC_S_OUTPUT <vidioc_g_output>` ioctl 180 * @vidioc_queryctrl: pointer to the function that implements 181 * :ref:`VIDIOC_QUERYCTRL <vidioc_queryctrl>` ioctl 182 * @vidioc_query_ext_ctrl: pointer to the function that implements 183 * :ref:`VIDIOC_QUERY_EXT_CTRL <vidioc_queryctrl>` ioctl 184 * @vidioc_g_ctrl: pointer to the function that implements 185 * :ref:`VIDIOC_G_CTRL <vidioc_g_ctrl>` ioctl 186 * @vidioc_s_ctrl: pointer to the function that implements 187 * :ref:`VIDIOC_S_CTRL <vidioc_g_ctrl>` ioctl 188 * @vidioc_g_ext_ctrls: pointer to the function that implements 189 * :ref:`VIDIOC_G_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl 190 * @vidioc_s_ext_ctrls: pointer to the function that implements 191 * :ref:`VIDIOC_S_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl 192 * @vidioc_try_ext_ctrls: pointer to the function that implements 193 * :ref:`VIDIOC_TRY_EXT_CTRLS <vidioc_g_ext_ctrls>` ioctl 194 * @vidioc_querymenu: pointer to the function that implements 195 * :ref:`VIDIOC_QUERYMENU <vidioc_queryctrl>` ioctl 196 * @vidioc_enumaudio: pointer to the function that implements 197 * :ref:`VIDIOC_ENUMAUDIO <vidioc_enumaudio>` ioctl 198 * @vidioc_g_audio: pointer to the function that implements 199 * :ref:`VIDIOC_G_AUDIO <vidioc_g_audio>` ioctl 200 * @vidioc_s_audio: pointer to the function that implements 201 * :ref:`VIDIOC_S_AUDIO <vidioc_g_audio>` ioctl 202 * @vidioc_enumaudout: pointer to the function that implements 203 * :ref:`VIDIOC_ENUMAUDOUT <vidioc_enumaudout>` ioctl 204 * @vidioc_g_audout: pointer to the function that implements 205 * :ref:`VIDIOC_G_AUDOUT <vidioc_g_audout>` ioctl 206 * @vidioc_s_audout: pointer to the function that implements 207 * :ref:`VIDIOC_S_AUDOUT <vidioc_g_audout>` ioctl 208 * @vidioc_g_modulator: pointer to the function that implements 209 * :ref:`VIDIOC_G_MODULATOR <vidioc_g_modulator>` ioctl 210 * @vidioc_s_modulator: pointer to the function that implements 211 * :ref:`VIDIOC_S_MODULATOR <vidioc_g_modulator>` ioctl 212 * @vidioc_cropcap: pointer to the function that implements 213 * :ref:`VIDIOC_CROPCAP <vidioc_cropcap>` ioctl 214 * @vidioc_g_crop: pointer to the function that implements 215 * :ref:`VIDIOC_G_CROP <vidioc_g_crop>` ioctl 216 * @vidioc_s_crop: pointer to the function that implements 217 * :ref:`VIDIOC_S_CROP <vidioc_g_crop>` ioctl 218 * @vidioc_g_selection: pointer to the function that implements 219 * :ref:`VIDIOC_G_SELECTION <vidioc_g_selection>` ioctl 220 * @vidioc_s_selection: pointer to the function that implements 221 * :ref:`VIDIOC_S_SELECTION <vidioc_g_selection>` ioctl 222 * @vidioc_g_jpegcomp: pointer to the function that implements 223 * :ref:`VIDIOC_G_JPEGCOMP <vidioc_g_jpegcomp>` ioctl 224 * @vidioc_s_jpegcomp: pointer to the function that implements 225 * :ref:`VIDIOC_S_JPEGCOMP <vidioc_g_jpegcomp>` ioctl 226 * @vidioc_g_enc_index: pointer to the function that implements 227 * :ref:`VIDIOC_G_ENC_INDEX <vidioc_g_enc_index>` ioctl 228 * @vidioc_encoder_cmd: pointer to the function that implements 229 * :ref:`VIDIOC_ENCODER_CMD <vidioc_encoder_cmd>` ioctl 230 * @vidioc_try_encoder_cmd: pointer to the function that implements 231 * :ref:`VIDIOC_TRY_ENCODER_CMD <vidioc_encoder_cmd>` ioctl 232 * @vidioc_decoder_cmd: pointer to the function that implements 233 * :ref:`VIDIOC_DECODER_CMD <vidioc_decoder_cmd>` ioctl 234 * @vidioc_try_decoder_cmd: pointer to the function that implements 235 * :ref:`VIDIOC_TRY_DECODER_CMD <vidioc_decoder_cmd>` ioctl 236 * @vidioc_g_parm: pointer to the function that implements 237 * :ref:`VIDIOC_G_PARM <vidioc_g_parm>` ioctl 238 * @vidioc_s_parm: pointer to the function that implements 239 * :ref:`VIDIOC_S_PARM <vidioc_g_parm>` ioctl 240 * @vidioc_g_tuner: pointer to the function that implements 241 * :ref:`VIDIOC_G_TUNER <vidioc_g_tuner>` ioctl 242 * @vidioc_s_tuner: pointer to the function that implements 243 * :ref:`VIDIOC_S_TUNER <vidioc_g_tuner>` ioctl 244 * @vidioc_g_frequency: pointer to the function that implements 245 * :ref:`VIDIOC_G_FREQUENCY <vidioc_g_frequency>` ioctl 246 * @vidioc_s_frequency: pointer to the function that implements 247 * :ref:`VIDIOC_S_FREQUENCY <vidioc_g_frequency>` ioctl 248 * @vidioc_enum_freq_bands: pointer to the function that implements 249 * :ref:`VIDIOC_ENUM_FREQ_BANDS <vidioc_enum_freq_bands>` ioctl 250 * @vidioc_g_sliced_vbi_cap: pointer to the function that implements 251 * :ref:`VIDIOC_G_SLICED_VBI_CAP <vidioc_g_sliced_vbi_cap>` ioctl 252 * @vidioc_log_status: pointer to the function that implements 253 * :ref:`VIDIOC_LOG_STATUS <vidioc_log_status>` ioctl 254 * @vidioc_s_hw_freq_seek: pointer to the function that implements 255 * :ref:`VIDIOC_S_HW_FREQ_SEEK <vidioc_s_hw_freq_seek>` ioctl 256 * @vidioc_g_register: pointer to the function that implements 257 * :ref:`VIDIOC_DBG_G_REGISTER <vidioc_dbg_g_register>` ioctl 258 * @vidioc_s_register: pointer to the function that implements 259 * :ref:`VIDIOC_DBG_S_REGISTER <vidioc_dbg_g_register>` ioctl 260 * @vidioc_g_chip_info: pointer to the function that implements 261 * :ref:`VIDIOC_DBG_G_CHIP_INFO <vidioc_dbg_g_chip_info>` ioctl 262 * @vidioc_enum_framesizes: pointer to the function that implements 263 * :ref:`VIDIOC_ENUM_FRAMESIZES <vidioc_enum_framesizes>` ioctl 264 * @vidioc_enum_frameintervals: pointer to the function that implements 265 * :ref:`VIDIOC_ENUM_FRAMEINTERVALS <vidioc_enum_frameintervals>` ioctl 266 * @vidioc_s_dv_timings: pointer to the function that implements 267 * :ref:`VIDIOC_S_DV_TIMINGS <vidioc_g_dv_timings>` ioctl 268 * @vidioc_g_dv_timings: pointer to the function that implements 269 * :ref:`VIDIOC_G_DV_TIMINGS <vidioc_g_dv_timings>` ioctl 270 * @vidioc_query_dv_timings: pointer to the function that implements 271 * :ref:`VIDIOC_QUERY_DV_TIMINGS <vidioc_query_dv_timings>` ioctl 272 * @vidioc_enum_dv_timings: pointer to the function that implements 273 * :ref:`VIDIOC_ENUM_DV_TIMINGS <vidioc_enum_dv_timings>` ioctl 274 * @vidioc_dv_timings_cap: pointer to the function that implements 275 * :ref:`VIDIOC_DV_TIMINGS_CAP <vidioc_dv_timings_cap>` ioctl 276 * @vidioc_g_edid: pointer to the function that implements 277 * :ref:`VIDIOC_G_EDID <vidioc_g_edid>` ioctl 278 * @vidioc_s_edid: pointer to the function that implements 279 * :ref:`VIDIOC_S_EDID <vidioc_g_edid>` ioctl 280 * @vidioc_subscribe_event: pointer to the function that implements 281 * :ref:`VIDIOC_SUBSCRIBE_EVENT <vidioc_subscribe_event>` ioctl 282 * @vidioc_unsubscribe_event: pointer to the function that implements 283 * :ref:`VIDIOC_UNSUBSCRIBE_EVENT <vidioc_unsubscribe_event>` ioctl 284 * @vidioc_default: pointed used to allow other ioctls 285 */ 286 struct v4l2_ioctl_ops { 287 /* ioctl callbacks */ 288 289 /* VIDIOC_QUERYCAP handler */ 290 int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap); 291 292 /* VIDIOC_ENUM_FMT handlers */ 293 int (*vidioc_enum_fmt_vid_cap) (struct file *file, void *fh, 294 struct v4l2_fmtdesc *f); 295 int (*vidioc_enum_fmt_vid_overlay) (struct file *file, void *fh, 296 struct v4l2_fmtdesc *f); 297 int (*vidioc_enum_fmt_vid_out) (struct file *file, void *fh, 298 struct v4l2_fmtdesc *f); 299 int (*vidioc_enum_fmt_vid_cap_mplane)(struct file *file, void *fh, 300 struct v4l2_fmtdesc *f); 301 int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh, 302 struct v4l2_fmtdesc *f); 303 int (*vidioc_enum_fmt_sdr_cap) (struct file *file, void *fh, 304 struct v4l2_fmtdesc *f); 305 int (*vidioc_enum_fmt_sdr_out) (struct file *file, void *fh, 306 struct v4l2_fmtdesc *f); 307 308 /* VIDIOC_G_FMT handlers */ 309 int (*vidioc_g_fmt_vid_cap) (struct file *file, void *fh, 310 struct v4l2_format *f); 311 int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh, 312 struct v4l2_format *f); 313 int (*vidioc_g_fmt_vid_out) (struct file *file, void *fh, 314 struct v4l2_format *f); 315 int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh, 316 struct v4l2_format *f); 317 int (*vidioc_g_fmt_vbi_cap) (struct file *file, void *fh, 318 struct v4l2_format *f); 319 int (*vidioc_g_fmt_vbi_out) (struct file *file, void *fh, 320 struct v4l2_format *f); 321 int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh, 322 struct v4l2_format *f); 323 int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh, 324 struct v4l2_format *f); 325 int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh, 326 struct v4l2_format *f); 327 int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh, 328 struct v4l2_format *f); 329 int (*vidioc_g_fmt_sdr_cap) (struct file *file, void *fh, 330 struct v4l2_format *f); 331 int (*vidioc_g_fmt_sdr_out) (struct file *file, void *fh, 332 struct v4l2_format *f); 333 334 /* VIDIOC_S_FMT handlers */ 335 int (*vidioc_s_fmt_vid_cap) (struct file *file, void *fh, 336 struct v4l2_format *f); 337 int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh, 338 struct v4l2_format *f); 339 int (*vidioc_s_fmt_vid_out) (struct file *file, void *fh, 340 struct v4l2_format *f); 341 int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh, 342 struct v4l2_format *f); 343 int (*vidioc_s_fmt_vbi_cap) (struct file *file, void *fh, 344 struct v4l2_format *f); 345 int (*vidioc_s_fmt_vbi_out) (struct file *file, void *fh, 346 struct v4l2_format *f); 347 int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh, 348 struct v4l2_format *f); 349 int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh, 350 struct v4l2_format *f); 351 int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh, 352 struct v4l2_format *f); 353 int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh, 354 struct v4l2_format *f); 355 int (*vidioc_s_fmt_sdr_cap) (struct file *file, void *fh, 356 struct v4l2_format *f); 357 int (*vidioc_s_fmt_sdr_out) (struct file *file, void *fh, 358 struct v4l2_format *f); 359 360 /* VIDIOC_TRY_FMT handlers */ 361 int (*vidioc_try_fmt_vid_cap) (struct file *file, void *fh, 362 struct v4l2_format *f); 363 int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh, 364 struct v4l2_format *f); 365 int (*vidioc_try_fmt_vid_out) (struct file *file, void *fh, 366 struct v4l2_format *f); 367 int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh, 368 struct v4l2_format *f); 369 int (*vidioc_try_fmt_vbi_cap) (struct file *file, void *fh, 370 struct v4l2_format *f); 371 int (*vidioc_try_fmt_vbi_out) (struct file *file, void *fh, 372 struct v4l2_format *f); 373 int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh, 374 struct v4l2_format *f); 375 int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh, 376 struct v4l2_format *f); 377 int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh, 378 struct v4l2_format *f); 379 int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh, 380 struct v4l2_format *f); 381 int (*vidioc_try_fmt_sdr_cap) (struct file *file, void *fh, 382 struct v4l2_format *f); 383 int (*vidioc_try_fmt_sdr_out) (struct file *file, void *fh, 384 struct v4l2_format *f); 385 386 /* Buffer handlers */ 387 int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b); 388 int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b); 389 int (*vidioc_qbuf) (struct file *file, void *fh, struct v4l2_buffer *b); 390 int (*vidioc_expbuf) (struct file *file, void *fh, 391 struct v4l2_exportbuffer *e); 392 int (*vidioc_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b); 393 394 int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b); 395 int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b); 396 397 int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i); 398 int (*vidioc_g_fbuf) (struct file *file, void *fh, 399 struct v4l2_framebuffer *a); 400 int (*vidioc_s_fbuf) (struct file *file, void *fh, 401 const struct v4l2_framebuffer *a); 402 403 /* Stream on/off */ 404 int (*vidioc_streamon) (struct file *file, void *fh, enum v4l2_buf_type i); 405 int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i); 406 407 /* Standard handling 408 ENUMSTD is handled by videodev.c 409 */ 410 int (*vidioc_g_std) (struct file *file, void *fh, v4l2_std_id *norm); 411 int (*vidioc_s_std) (struct file *file, void *fh, v4l2_std_id norm); 412 int (*vidioc_querystd) (struct file *file, void *fh, v4l2_std_id *a); 413 414 /* Input handling */ 415 int (*vidioc_enum_input)(struct file *file, void *fh, 416 struct v4l2_input *inp); 417 int (*vidioc_g_input) (struct file *file, void *fh, unsigned int *i); 418 int (*vidioc_s_input) (struct file *file, void *fh, unsigned int i); 419 420 /* Output handling */ 421 int (*vidioc_enum_output) (struct file *file, void *fh, 422 struct v4l2_output *a); 423 int (*vidioc_g_output) (struct file *file, void *fh, unsigned int *i); 424 int (*vidioc_s_output) (struct file *file, void *fh, unsigned int i); 425 426 /* Control handling */ 427 int (*vidioc_queryctrl) (struct file *file, void *fh, 428 struct v4l2_queryctrl *a); 429 int (*vidioc_query_ext_ctrl) (struct file *file, void *fh, 430 struct v4l2_query_ext_ctrl *a); 431 int (*vidioc_g_ctrl) (struct file *file, void *fh, 432 struct v4l2_control *a); 433 int (*vidioc_s_ctrl) (struct file *file, void *fh, 434 struct v4l2_control *a); 435 int (*vidioc_g_ext_ctrls) (struct file *file, void *fh, 436 struct v4l2_ext_controls *a); 437 int (*vidioc_s_ext_ctrls) (struct file *file, void *fh, 438 struct v4l2_ext_controls *a); 439 int (*vidioc_try_ext_ctrls) (struct file *file, void *fh, 440 struct v4l2_ext_controls *a); 441 int (*vidioc_querymenu) (struct file *file, void *fh, 442 struct v4l2_querymenu *a); 443 444 /* Audio ioctls */ 445 int (*vidioc_enumaudio) (struct file *file, void *fh, 446 struct v4l2_audio *a); 447 int (*vidioc_g_audio) (struct file *file, void *fh, 448 struct v4l2_audio *a); 449 int (*vidioc_s_audio) (struct file *file, void *fh, 450 const struct v4l2_audio *a); 451 452 /* Audio out ioctls */ 453 int (*vidioc_enumaudout) (struct file *file, void *fh, 454 struct v4l2_audioout *a); 455 int (*vidioc_g_audout) (struct file *file, void *fh, 456 struct v4l2_audioout *a); 457 int (*vidioc_s_audout) (struct file *file, void *fh, 458 const struct v4l2_audioout *a); 459 int (*vidioc_g_modulator) (struct file *file, void *fh, 460 struct v4l2_modulator *a); 461 int (*vidioc_s_modulator) (struct file *file, void *fh, 462 const struct v4l2_modulator *a); 463 /* Crop ioctls */ 464 int (*vidioc_cropcap) (struct file *file, void *fh, 465 struct v4l2_cropcap *a); 466 int (*vidioc_g_crop) (struct file *file, void *fh, 467 struct v4l2_crop *a); 468 int (*vidioc_s_crop) (struct file *file, void *fh, 469 const struct v4l2_crop *a); 470 int (*vidioc_g_selection) (struct file *file, void *fh, 471 struct v4l2_selection *s); 472 int (*vidioc_s_selection) (struct file *file, void *fh, 473 struct v4l2_selection *s); 474 /* Compression ioctls */ 475 int (*vidioc_g_jpegcomp) (struct file *file, void *fh, 476 struct v4l2_jpegcompression *a); 477 int (*vidioc_s_jpegcomp) (struct file *file, void *fh, 478 const struct v4l2_jpegcompression *a); 479 int (*vidioc_g_enc_index) (struct file *file, void *fh, 480 struct v4l2_enc_idx *a); 481 int (*vidioc_encoder_cmd) (struct file *file, void *fh, 482 struct v4l2_encoder_cmd *a); 483 int (*vidioc_try_encoder_cmd) (struct file *file, void *fh, 484 struct v4l2_encoder_cmd *a); 485 int (*vidioc_decoder_cmd) (struct file *file, void *fh, 486 struct v4l2_decoder_cmd *a); 487 int (*vidioc_try_decoder_cmd) (struct file *file, void *fh, 488 struct v4l2_decoder_cmd *a); 489 490 /* Stream type-dependent parameter ioctls */ 491 int (*vidioc_g_parm) (struct file *file, void *fh, 492 struct v4l2_streamparm *a); 493 int (*vidioc_s_parm) (struct file *file, void *fh, 494 struct v4l2_streamparm *a); 495 496 /* Tuner ioctls */ 497 int (*vidioc_g_tuner) (struct file *file, void *fh, 498 struct v4l2_tuner *a); 499 int (*vidioc_s_tuner) (struct file *file, void *fh, 500 const struct v4l2_tuner *a); 501 int (*vidioc_g_frequency) (struct file *file, void *fh, 502 struct v4l2_frequency *a); 503 int (*vidioc_s_frequency) (struct file *file, void *fh, 504 const struct v4l2_frequency *a); 505 int (*vidioc_enum_freq_bands) (struct file *file, void *fh, 506 struct v4l2_frequency_band *band); 507 508 /* Sliced VBI cap */ 509 int (*vidioc_g_sliced_vbi_cap) (struct file *file, void *fh, 510 struct v4l2_sliced_vbi_cap *a); 511 512 /* Log status ioctl */ 513 int (*vidioc_log_status) (struct file *file, void *fh); 514 515 int (*vidioc_s_hw_freq_seek) (struct file *file, void *fh, 516 const struct v4l2_hw_freq_seek *a); 517 518 /* Debugging ioctls */ 519 #ifdef CONFIG_VIDEO_ADV_DEBUG 520 int (*vidioc_g_register) (struct file *file, void *fh, 521 struct v4l2_dbg_register *reg); 522 int (*vidioc_s_register) (struct file *file, void *fh, 523 const struct v4l2_dbg_register *reg); 524 525 int (*vidioc_g_chip_info) (struct file *file, void *fh, 526 struct v4l2_dbg_chip_info *chip); 527 #endif 528 529 int (*vidioc_enum_framesizes) (struct file *file, void *fh, 530 struct v4l2_frmsizeenum *fsize); 531 532 int (*vidioc_enum_frameintervals) (struct file *file, void *fh, 533 struct v4l2_frmivalenum *fival); 534 535 /* DV Timings IOCTLs */ 536 int (*vidioc_s_dv_timings) (struct file *file, void *fh, 537 struct v4l2_dv_timings *timings); 538 int (*vidioc_g_dv_timings) (struct file *file, void *fh, 539 struct v4l2_dv_timings *timings); 540 int (*vidioc_query_dv_timings) (struct file *file, void *fh, 541 struct v4l2_dv_timings *timings); 542 int (*vidioc_enum_dv_timings) (struct file *file, void *fh, 543 struct v4l2_enum_dv_timings *timings); 544 int (*vidioc_dv_timings_cap) (struct file *file, void *fh, 545 struct v4l2_dv_timings_cap *cap); 546 int (*vidioc_g_edid) (struct file *file, void *fh, struct v4l2_edid *edid); 547 int (*vidioc_s_edid) (struct file *file, void *fh, struct v4l2_edid *edid); 548 549 int (*vidioc_subscribe_event) (struct v4l2_fh *fh, 550 const struct v4l2_event_subscription *sub); 551 int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh, 552 const struct v4l2_event_subscription *sub); 553 554 /* For other private ioctls */ 555 long (*vidioc_default) (struct file *file, void *fh, 556 bool valid_prio, unsigned int cmd, void *arg); 557 }; 558 559 560 /* v4l debugging and diagnostics */ 561 562 /* Device debug flags to be used with the video device debug attribute */ 563 564 /* Just log the ioctl name + error code */ 565 #define V4L2_DEV_DEBUG_IOCTL 0x01 566 /* Log the ioctl name arguments + error code */ 567 #define V4L2_DEV_DEBUG_IOCTL_ARG 0x02 568 /* Log the file operations open, release, mmap and get_unmapped_area */ 569 #define V4L2_DEV_DEBUG_FOP 0x04 570 /* Log the read and write file operations and the VIDIOC_(D)QBUF ioctls */ 571 #define V4L2_DEV_DEBUG_STREAMING 0x08 572 /* Log poll() */ 573 #define V4L2_DEV_DEBUG_POLL 0x10 574 575 /* Video standard functions */ 576 extern const char *v4l2_norm_to_name(v4l2_std_id id); 577 extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); 578 extern int v4l2_video_std_construct(struct v4l2_standard *vs, 579 int id, const char *name); 580 /* Prints the ioctl in a human-readable format. If prefix != NULL, 581 then do printk(KERN_DEBUG "%s: ", prefix) first. */ 582 extern void v4l_printk_ioctl(const char *prefix, unsigned int cmd); 583 584 /* Internal use only: get the mutex (if any) that we need to lock for the 585 given command. */ 586 struct video_device; 587 extern struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd); 588 589 /* names for fancy debug output */ 590 extern const char *v4l2_field_names[]; 591 extern const char *v4l2_type_names[]; 592 593 #ifdef CONFIG_COMPAT 594 /* 32 Bits compatibility layer for 64 bits processors */ 595 extern long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, 596 unsigned long arg); 597 #endif 598 599 typedef long (*v4l2_kioctl)(struct file *file, 600 unsigned int cmd, void *arg); 601 602 /* Include support for obsoleted stuff */ 603 extern long video_usercopy(struct file *file, unsigned int cmd, 604 unsigned long arg, v4l2_kioctl func); 605 606 /* Standard handlers for V4L ioctl's */ 607 extern long video_ioctl2(struct file *file, 608 unsigned int cmd, unsigned long arg); 609 610 #endif /* _V4L2_IOCTL_H */ 611