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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 | /* * * V 4 L 2 D R I V E R H E L P E R A P I * * Moved from videodev2.h * * Some commonly needed functions for drivers (v4l2-common.o module) */ #ifndef _V4L2_IOCTL_H #define _V4L2_IOCTL_H #include <linux/poll.h> #include <linux/fs.h> #include <linux/mutex.h> #include <linux/compiler.h> /* need __user */ #include <linux/videodev2.h> struct v4l2_fh; struct v4l2_ioctl_ops { /* ioctl callbacks */ /* VIDIOC_QUERYCAP handler */ int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap); /* Priority handling */ int (*vidioc_g_priority) (struct file *file, void *fh, enum v4l2_priority *p); int (*vidioc_s_priority) (struct file *file, void *fh, enum v4l2_priority p); /* VIDIOC_ENUM_FMT handlers */ int (*vidioc_enum_fmt_vid_cap) (struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_overlay) (struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out) (struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_fmtdesc *f); /* VIDIOC_G_FMT handlers */ int (*vidioc_g_fmt_vid_cap) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_out) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vbi_cap) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vbi_out) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); /* VIDIOC_S_FMT handlers */ int (*vidioc_s_fmt_vid_cap) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_out) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vbi_cap) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vbi_out) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); /* VIDIOC_TRY_FMT handlers */ int (*vidioc_try_fmt_vid_cap) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_out) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vbi_cap) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vbi_out) (struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh, struct v4l2_format *f); int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); /* Buffer handlers */ int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b); int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_qbuf) (struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_expbuf) (struct file *file, void *fh, struct v4l2_exportbuffer *e); int (*vidioc_dqbuf) (struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b); int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b); int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i); int (*vidioc_g_fbuf) (struct file *file, void *fh, struct v4l2_framebuffer *a); int (*vidioc_s_fbuf) (struct file *file, void *fh, const struct v4l2_framebuffer *a); /* Stream on/off */ int (*vidioc_streamon) (struct file *file, void *fh, enum v4l2_buf_type i); int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i); /* Standard handling ENUMSTD is handled by videodev.c */ int (*vidioc_g_std) (struct file *file, void *fh, v4l2_std_id *norm); int (*vidioc_s_std) (struct file *file, void *fh, v4l2_std_id norm); int (*vidioc_querystd) (struct file *file, void *fh, v4l2_std_id *a); /* Input handling */ int (*vidioc_enum_input)(struct file *file, void *fh, struct v4l2_input *inp); int (*vidioc_g_input) (struct file *file, void *fh, unsigned int *i); int (*vidioc_s_input) (struct file *file, void *fh, unsigned int i); /* Output handling */ int (*vidioc_enum_output) (struct file *file, void *fh, struct v4l2_output *a); int (*vidioc_g_output) (struct file *file, void *fh, unsigned int *i); int (*vidioc_s_output) (struct file *file, void *fh, unsigned int i); /* Control handling */ int (*vidioc_queryctrl) (struct file *file, void *fh, struct v4l2_queryctrl *a); int (*vidioc_g_ctrl) (struct file *file, void *fh, struct v4l2_control *a); int (*vidioc_s_ctrl) (struct file *file, void *fh, struct v4l2_control *a); int (*vidioc_g_ext_ctrls) (struct file *file, void *fh, struct v4l2_ext_controls *a); int (*vidioc_s_ext_ctrls) (struct file *file, void *fh, struct v4l2_ext_controls *a); int (*vidioc_try_ext_ctrls) (struct file *file, void *fh, struct v4l2_ext_controls *a); int (*vidioc_querymenu) (struct file *file, void *fh, struct v4l2_querymenu *a); /* Audio ioctls */ int (*vidioc_enumaudio) (struct file *file, void *fh, struct v4l2_audio *a); int (*vidioc_g_audio) (struct file *file, void *fh, struct v4l2_audio *a); int (*vidioc_s_audio) (struct file *file, void *fh, const struct v4l2_audio *a); /* Audio out ioctls */ int (*vidioc_enumaudout) (struct file *file, void *fh, struct v4l2_audioout *a); int (*vidioc_g_audout) (struct file *file, void *fh, struct v4l2_audioout *a); int (*vidioc_s_audout) (struct file *file, void *fh, const struct v4l2_audioout *a); int (*vidioc_g_modulator) (struct file *file, void *fh, struct v4l2_modulator *a); int (*vidioc_s_modulator) (struct file *file, void *fh, const struct v4l2_modulator *a); /* Crop ioctls */ int (*vidioc_cropcap) (struct file *file, void *fh, struct v4l2_cropcap *a); int (*vidioc_g_crop) (struct file *file, void *fh, struct v4l2_crop *a); int (*vidioc_s_crop) (struct file *file, void *fh, const struct v4l2_crop *a); int (*vidioc_g_selection) (struct file *file, void *fh, struct v4l2_selection *s); int (*vidioc_s_selection) (struct file *file, void *fh, struct v4l2_selection *s); /* Compression ioctls */ int (*vidioc_g_jpegcomp) (struct file *file, void *fh, struct v4l2_jpegcompression *a); int (*vidioc_s_jpegcomp) (struct file *file, void *fh, const struct v4l2_jpegcompression *a); int (*vidioc_g_enc_index) (struct file *file, void *fh, struct v4l2_enc_idx *a); int (*vidioc_encoder_cmd) (struct file *file, void *fh, struct v4l2_encoder_cmd *a); int (*vidioc_try_encoder_cmd) (struct file *file, void *fh, struct v4l2_encoder_cmd *a); int (*vidioc_decoder_cmd) (struct file *file, void *fh, struct v4l2_decoder_cmd *a); int (*vidioc_try_decoder_cmd) (struct file *file, void *fh, struct v4l2_decoder_cmd *a); /* Stream type-dependent parameter ioctls */ int (*vidioc_g_parm) (struct file *file, void *fh, struct v4l2_streamparm *a); int (*vidioc_s_parm) (struct file *file, void *fh, struct v4l2_streamparm *a); /* Tuner ioctls */ int (*vidioc_g_tuner) (struct file *file, void *fh, struct v4l2_tuner *a); int (*vidioc_s_tuner) (struct file *file, void *fh, const struct v4l2_tuner *a); int (*vidioc_g_frequency) (struct file *file, void *fh, struct v4l2_frequency *a); int (*vidioc_s_frequency) (struct file *file, void *fh, const struct v4l2_frequency *a); int (*vidioc_enum_freq_bands) (struct file *file, void *fh, struct v4l2_frequency_band *band); /* Sliced VBI cap */ int (*vidioc_g_sliced_vbi_cap) (struct file *file, void *fh, struct v4l2_sliced_vbi_cap *a); /* Log status ioctl */ int (*vidioc_log_status) (struct file *file, void *fh); int (*vidioc_s_hw_freq_seek) (struct file *file, void *fh, const struct v4l2_hw_freq_seek *a); /* Debugging ioctls */ #ifdef CONFIG_VIDEO_ADV_DEBUG int (*vidioc_g_register) (struct file *file, void *fh, struct v4l2_dbg_register *reg); int (*vidioc_s_register) (struct file *file, void *fh, const struct v4l2_dbg_register *reg); int (*vidioc_g_chip_info) (struct file *file, void *fh, struct v4l2_dbg_chip_info *chip); #endif int (*vidioc_g_chip_ident) (struct file *file, void *fh, struct v4l2_dbg_chip_ident *chip); int (*vidioc_enum_framesizes) (struct file *file, void *fh, struct v4l2_frmsizeenum *fsize); int (*vidioc_enum_frameintervals) (struct file *file, void *fh, struct v4l2_frmivalenum *fival); /* DV Timings IOCTLs */ int (*vidioc_s_dv_timings) (struct file *file, void *fh, struct v4l2_dv_timings *timings); int (*vidioc_g_dv_timings) (struct file *file, void *fh, struct v4l2_dv_timings *timings); int (*vidioc_query_dv_timings) (struct file *file, void *fh, struct v4l2_dv_timings *timings); int (*vidioc_enum_dv_timings) (struct file *file, void *fh, struct v4l2_enum_dv_timings *timings); int (*vidioc_dv_timings_cap) (struct file *file, void *fh, struct v4l2_dv_timings_cap *cap); int (*vidioc_subscribe_event) (struct v4l2_fh *fh, const struct v4l2_event_subscription *sub); int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub); /* For other private ioctls */ long (*vidioc_default) (struct file *file, void *fh, bool valid_prio, unsigned int cmd, void *arg); }; /* v4l debugging and diagnostics */ /* Debug bitmask flags to be used on V4L2 */ #define V4L2_DEBUG_IOCTL 0x01 #define V4L2_DEBUG_IOCTL_ARG 0x02 /* Video standard functions */ extern const char *v4l2_norm_to_name(v4l2_std_id id); extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod); extern int v4l2_video_std_construct(struct v4l2_standard *vs, int id, const char *name); /* Prints the ioctl in a human-readable format. If prefix != NULL, then do printk(KERN_DEBUG "%s: ", prefix) first. */ extern void v4l_printk_ioctl(const char *prefix, unsigned int cmd); /* Internal use only: get the mutex (if any) that we need to lock for the given command. */ struct video_device; extern struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd); /* names for fancy debug output */ extern const char *v4l2_field_names[]; extern const char *v4l2_type_names[]; #ifdef CONFIG_COMPAT /* 32 Bits compatibility layer for 64 bits processors */ extern long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg); #endif typedef long (*v4l2_kioctl)(struct file *file, unsigned int cmd, void *arg); /* Include support for obsoleted stuff */ extern long video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, v4l2_kioctl func); /* Standard handlers for V4L ioctl's */ extern long video_ioctl2(struct file *file, unsigned int cmd, unsigned long arg); #endif /* _V4L2_IOCTL_H */ |