Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Multimedia device API |
| 3 | * |
| 4 | * Copyright (C) 2010 Nokia Corporation |
| 5 | * |
| 6 | * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 7 | * Sakari Ailus <sakari.ailus@iki.fi> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef __LINUX_MEDIA_H |
| 24 | #define __LINUX_MEDIA_H |
| 25 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 26 | #ifndef __KERNEL__ |
| 27 | #include <stdint.h> |
| 28 | #endif |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 29 | #include <linux/ioctl.h> |
| 30 | #include <linux/types.h> |
| 31 | #include <linux/version.h> |
| 32 | |
| 33 | #define MEDIA_API_VERSION KERNEL_VERSION(0, 1, 0) |
| 34 | |
| 35 | struct media_device_info { |
| 36 | char driver[16]; |
| 37 | char model[32]; |
| 38 | char serial[40]; |
| 39 | char bus_info[32]; |
| 40 | __u32 media_version; |
| 41 | __u32 hw_revision; |
| 42 | __u32 driver_version; |
| 43 | __u32 reserved[31]; |
| 44 | }; |
| 45 | |
| 46 | #define MEDIA_ENT_ID_FLAG_NEXT (1 << 31) |
| 47 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 48 | /* |
| 49 | * Initial value to be used when a new entity is created |
| 50 | * Drivers should change it to something useful |
| 51 | */ |
| 52 | #define MEDIA_ENT_F_UNKNOWN 0x00000000 |
| 53 | |
| 54 | /* |
| 55 | * Base number ranges for entity functions |
| 56 | * |
| 57 | * NOTE: those ranges and entity function number are phased just to |
| 58 | * make it easier to maintain this file. Userspace should not rely on |
| 59 | * the ranges to identify a group of function types, as newer |
| 60 | * functions can be added with any name within the full u32 range. |
| 61 | */ |
| 62 | #define MEDIA_ENT_F_BASE 0x00000000 |
| 63 | #define MEDIA_ENT_F_OLD_BASE 0x00010000 |
| 64 | #define MEDIA_ENT_F_OLD_SUBDEV_BASE 0x00020000 |
| 65 | |
| 66 | /* |
| 67 | * DVB entities |
| 68 | */ |
| 69 | #define MEDIA_ENT_F_DTV_DEMOD (MEDIA_ENT_F_BASE + 0x00001) |
| 70 | #define MEDIA_ENT_F_TS_DEMUX (MEDIA_ENT_F_BASE + 0x00002) |
| 71 | #define MEDIA_ENT_F_DTV_CA (MEDIA_ENT_F_BASE + 0x00003) |
| 72 | #define MEDIA_ENT_F_DTV_NET_DECAP (MEDIA_ENT_F_BASE + 0x00004) |
| 73 | |
| 74 | /* |
| 75 | * I/O entities |
| 76 | */ |
| 77 | #define MEDIA_ENT_F_IO_DTV (MEDIA_ENT_F_BASE + 0x01001) |
| 78 | #define MEDIA_ENT_F_IO_VBI (MEDIA_ENT_F_BASE + 0x01002) |
| 79 | #define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 0x01003) |
| 80 | |
| 81 | /* |
| 82 | * Analog TV IF-PLL decoders |
| 83 | * |
| 84 | * It is a responsibility of the master/bridge drivers to create links |
| 85 | * for MEDIA_ENT_F_IF_VID_DECODER and MEDIA_ENT_F_IF_AUD_DECODER. |
| 86 | */ |
| 87 | #define MEDIA_ENT_F_IF_VID_DECODER (MEDIA_ENT_F_BASE + 0x02001) |
| 88 | #define MEDIA_ENT_F_IF_AUD_DECODER (MEDIA_ENT_F_BASE + 0x02002) |
| 89 | |
| 90 | /* |
| 91 | * Audio Entity Functions |
| 92 | */ |
| 93 | #define MEDIA_ENT_F_AUDIO_CAPTURE (MEDIA_ENT_F_BASE + 0x03001) |
| 94 | #define MEDIA_ENT_F_AUDIO_PLAYBACK (MEDIA_ENT_F_BASE + 0x03002) |
| 95 | #define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 0x03003) |
| 96 | |
| 97 | /* |
Christopher Ferris | 6e3550f | 2016-12-12 14:51:18 -0800 | [diff] [blame] | 98 | * Processing entities |
| 99 | */ |
| 100 | #define MEDIA_ENT_F_PROC_VIDEO_COMPOSER (MEDIA_ENT_F_BASE + 0x4001) |
| 101 | #define MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER (MEDIA_ENT_F_BASE + 0x4002) |
| 102 | #define MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV (MEDIA_ENT_F_BASE + 0x4003) |
| 103 | #define MEDIA_ENT_F_PROC_VIDEO_LUT (MEDIA_ENT_F_BASE + 0x4004) |
| 104 | #define MEDIA_ENT_F_PROC_VIDEO_SCALER (MEDIA_ENT_F_BASE + 0x4005) |
| 105 | #define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006) |
| 106 | |
| 107 | /* |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 108 | * Connectors |
| 109 | */ |
| 110 | /* It is a responsibility of the entity drivers to add connectors and links */ |
| 111 | #ifdef __KERNEL__ |
| 112 | /* |
| 113 | * For now, it should not be used in userspace, as some |
| 114 | * definitions may change |
| 115 | */ |
| 116 | |
| 117 | #define MEDIA_ENT_F_CONN_RF (MEDIA_ENT_F_BASE + 0x30001) |
| 118 | #define MEDIA_ENT_F_CONN_SVIDEO (MEDIA_ENT_F_BASE + 0x30002) |
| 119 | #define MEDIA_ENT_F_CONN_COMPOSITE (MEDIA_ENT_F_BASE + 0x30003) |
| 120 | |
| 121 | #endif |
| 122 | |
| 123 | /* |
| 124 | * Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and |
| 125 | * MEDIA_ENT_F_OLD_SUBDEV_BASE are kept to keep backward compatibility |
| 126 | * with the legacy v1 API.The number range is out of range by purpose: |
| 127 | * several previously reserved numbers got excluded from this range. |
| 128 | * |
| 129 | * Subdevs are initialized with MEDIA_ENT_T_V4L2_SUBDEV_UNKNOWN, |
| 130 | * in order to preserve backward compatibility. |
| 131 | * Drivers must change to the proper subdev type before |
| 132 | * registering the entity. |
| 133 | */ |
| 134 | |
| 135 | #define MEDIA_ENT_F_IO_V4L (MEDIA_ENT_F_OLD_BASE + 1) |
| 136 | |
| 137 | #define MEDIA_ENT_F_CAM_SENSOR (MEDIA_ENT_F_OLD_SUBDEV_BASE + 1) |
| 138 | #define MEDIA_ENT_F_FLASH (MEDIA_ENT_F_OLD_SUBDEV_BASE + 2) |
| 139 | #define MEDIA_ENT_F_LENS (MEDIA_ENT_F_OLD_SUBDEV_BASE + 3) |
| 140 | #define MEDIA_ENT_F_ATV_DECODER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 4) |
| 141 | /* |
| 142 | * It is a responsibility of the master/bridge drivers to add connectors |
| 143 | * and links for MEDIA_ENT_F_TUNER. Please notice that some old tuners |
| 144 | * may require the usage of separate I2C chips to decode analog TV signals, |
| 145 | * when the master/bridge chipset doesn't have its own TV standard decoder. |
| 146 | * On such cases, the IF-PLL staging is mapped via one or two entities: |
| 147 | * MEDIA_ENT_F_IF_VID_DECODER and/or MEDIA_ENT_F_IF_AUD_DECODER. |
| 148 | */ |
| 149 | #define MEDIA_ENT_F_TUNER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 5) |
| 150 | |
| 151 | #define MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN MEDIA_ENT_F_OLD_SUBDEV_BASE |
| 152 | |
| 153 | #if !defined(__KERNEL__) || defined(__NEED_MEDIA_LEGACY_API) |
| 154 | |
| 155 | /* |
| 156 | * Legacy symbols used to avoid userspace compilation breakages |
| 157 | * |
| 158 | * Those symbols map the entity function into types and should be |
| 159 | * used only on legacy programs for legacy hardware. Don't rely |
| 160 | * on those for MEDIA_IOC_G_TOPOLOGY. |
| 161 | */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 162 | #define MEDIA_ENT_TYPE_SHIFT 16 |
| 163 | #define MEDIA_ENT_TYPE_MASK 0x00ff0000 |
| 164 | #define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff |
| 165 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 166 | /* End of the old subdev reserved numberspace */ |
| 167 | #define MEDIA_ENT_T_DEVNODE_UNKNOWN (MEDIA_ENT_T_DEVNODE | \ |
| 168 | MEDIA_ENT_SUBTYPE_MASK) |
| 169 | |
| 170 | #define MEDIA_ENT_T_DEVNODE MEDIA_ENT_F_OLD_BASE |
| 171 | #define MEDIA_ENT_T_DEVNODE_V4L MEDIA_ENT_F_IO_V4L |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 172 | #define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_T_DEVNODE + 2) |
| 173 | #define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_T_DEVNODE + 3) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 174 | #define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_T_DEVNODE + 4) |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 175 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 176 | #define MEDIA_ENT_T_UNKNOWN MEDIA_ENT_F_UNKNOWN |
| 177 | #define MEDIA_ENT_T_V4L2_VIDEO MEDIA_ENT_F_IO_V4L |
| 178 | #define MEDIA_ENT_T_V4L2_SUBDEV MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN |
| 179 | #define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR MEDIA_ENT_F_CAM_SENSOR |
| 180 | #define MEDIA_ENT_T_V4L2_SUBDEV_FLASH MEDIA_ENT_F_FLASH |
| 181 | #define MEDIA_ENT_T_V4L2_SUBDEV_LENS MEDIA_ENT_F_LENS |
| 182 | #define MEDIA_ENT_T_V4L2_SUBDEV_DECODER MEDIA_ENT_F_ATV_DECODER |
| 183 | #define MEDIA_ENT_T_V4L2_SUBDEV_TUNER MEDIA_ENT_F_TUNER |
| 184 | #endif |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 185 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 186 | /* Entity flags */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 187 | #define MEDIA_ENT_FL_DEFAULT (1 << 0) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 188 | #define MEDIA_ENT_FL_CONNECTOR (1 << 1) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 189 | |
| 190 | struct media_entity_desc { |
| 191 | __u32 id; |
| 192 | char name[32]; |
| 193 | __u32 type; |
| 194 | __u32 revision; |
| 195 | __u32 flags; |
| 196 | __u32 group_id; |
| 197 | __u16 pads; |
| 198 | __u16 links; |
| 199 | |
| 200 | __u32 reserved[4]; |
| 201 | |
| 202 | union { |
| 203 | /* Node specifications */ |
| 204 | struct { |
| 205 | __u32 major; |
| 206 | __u32 minor; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 207 | } dev; |
| 208 | |
| 209 | #if 1 |
| 210 | /* |
| 211 | * TODO: this shouldn't have been added without |
| 212 | * actual drivers that use this. When the first real driver |
| 213 | * appears that sets this information, special attention |
| 214 | * should be given whether this information is 1) enough, and |
| 215 | * 2) can deal with udev rules that rename devices. The struct |
| 216 | * dev would not be sufficient for this since that does not |
| 217 | * contain the subdevice information. In addition, struct dev |
| 218 | * can only refer to a single device, and not to multiple (e.g. |
| 219 | * pcm and mixer devices). |
| 220 | * |
| 221 | * So for now mark this as a to do. |
| 222 | */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 223 | struct { |
| 224 | __u32 card; |
| 225 | __u32 device; |
| 226 | __u32 subdevice; |
| 227 | } alsa; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 228 | #endif |
| 229 | |
| 230 | #if 1 |
| 231 | /* |
| 232 | * DEPRECATED: previous node specifications. Kept just to |
| 233 | * avoid breaking compilation, but media_entity_desc.dev |
| 234 | * should be used instead. In particular, alsa and dvb |
| 235 | * fields below are wrong: for all devnodes, there should |
| 236 | * be just major/minor inside the struct, as this is enough |
| 237 | * to represent any devnode, no matter what type. |
| 238 | */ |
| 239 | struct { |
| 240 | __u32 major; |
| 241 | __u32 minor; |
| 242 | } v4l; |
| 243 | struct { |
| 244 | __u32 major; |
| 245 | __u32 minor; |
| 246 | } fb; |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 247 | int dvb; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 248 | #endif |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 249 | |
| 250 | /* Sub-device specifications */ |
| 251 | /* Nothing needed yet */ |
| 252 | __u8 raw[184]; |
| 253 | }; |
| 254 | }; |
| 255 | |
| 256 | #define MEDIA_PAD_FL_SINK (1 << 0) |
| 257 | #define MEDIA_PAD_FL_SOURCE (1 << 1) |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 258 | #define MEDIA_PAD_FL_MUST_CONNECT (1 << 2) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 259 | |
| 260 | struct media_pad_desc { |
| 261 | __u32 entity; /* entity ID */ |
| 262 | __u16 index; /* pad index */ |
| 263 | __u32 flags; /* pad flags */ |
| 264 | __u32 reserved[2]; |
| 265 | }; |
| 266 | |
| 267 | #define MEDIA_LNK_FL_ENABLED (1 << 0) |
| 268 | #define MEDIA_LNK_FL_IMMUTABLE (1 << 1) |
| 269 | #define MEDIA_LNK_FL_DYNAMIC (1 << 2) |
| 270 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 271 | #define MEDIA_LNK_FL_LINK_TYPE (0xf << 28) |
| 272 | # define MEDIA_LNK_FL_DATA_LINK (0 << 28) |
| 273 | # define MEDIA_LNK_FL_INTERFACE_LINK (1 << 28) |
| 274 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 275 | struct media_link_desc { |
| 276 | struct media_pad_desc source; |
| 277 | struct media_pad_desc sink; |
| 278 | __u32 flags; |
| 279 | __u32 reserved[2]; |
| 280 | }; |
| 281 | |
| 282 | struct media_links_enum { |
| 283 | __u32 entity; |
| 284 | /* Should have enough room for pads elements */ |
| 285 | struct media_pad_desc __user *pads; |
| 286 | /* Should have enough room for links elements */ |
| 287 | struct media_link_desc __user *links; |
| 288 | __u32 reserved[4]; |
| 289 | }; |
| 290 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 291 | /* Interface type ranges */ |
| 292 | |
| 293 | #define MEDIA_INTF_T_DVB_BASE 0x00000100 |
| 294 | #define MEDIA_INTF_T_V4L_BASE 0x00000200 |
| 295 | #define MEDIA_INTF_T_ALSA_BASE 0x00000300 |
| 296 | |
| 297 | /* Interface types */ |
| 298 | |
| 299 | #define MEDIA_INTF_T_DVB_FE (MEDIA_INTF_T_DVB_BASE) |
| 300 | #define MEDIA_INTF_T_DVB_DEMUX (MEDIA_INTF_T_DVB_BASE + 1) |
| 301 | #define MEDIA_INTF_T_DVB_DVR (MEDIA_INTF_T_DVB_BASE + 2) |
| 302 | #define MEDIA_INTF_T_DVB_CA (MEDIA_INTF_T_DVB_BASE + 3) |
| 303 | #define MEDIA_INTF_T_DVB_NET (MEDIA_INTF_T_DVB_BASE + 4) |
| 304 | |
| 305 | #define MEDIA_INTF_T_V4L_VIDEO (MEDIA_INTF_T_V4L_BASE) |
| 306 | #define MEDIA_INTF_T_V4L_VBI (MEDIA_INTF_T_V4L_BASE + 1) |
| 307 | #define MEDIA_INTF_T_V4L_RADIO (MEDIA_INTF_T_V4L_BASE + 2) |
| 308 | #define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3) |
| 309 | #define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4) |
Christopher Ferris | 3318540 | 2017-01-13 13:28:52 -0800 | [diff] [blame] | 310 | #define MEDIA_INTF_T_V4L_TOUCH (MEDIA_INTF_T_V4L_BASE + 5) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 311 | |
| 312 | #define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE) |
| 313 | #define MEDIA_INTF_T_ALSA_PCM_PLAYBACK (MEDIA_INTF_T_ALSA_BASE + 1) |
| 314 | #define MEDIA_INTF_T_ALSA_CONTROL (MEDIA_INTF_T_ALSA_BASE + 2) |
| 315 | #define MEDIA_INTF_T_ALSA_COMPRESS (MEDIA_INTF_T_ALSA_BASE + 3) |
| 316 | #define MEDIA_INTF_T_ALSA_RAWMIDI (MEDIA_INTF_T_ALSA_BASE + 4) |
| 317 | #define MEDIA_INTF_T_ALSA_HWDEP (MEDIA_INTF_T_ALSA_BASE + 5) |
| 318 | #define MEDIA_INTF_T_ALSA_SEQUENCER (MEDIA_INTF_T_ALSA_BASE + 6) |
| 319 | #define MEDIA_INTF_T_ALSA_TIMER (MEDIA_INTF_T_ALSA_BASE + 7) |
| 320 | |
| 321 | /* |
| 322 | * MC next gen API definitions |
| 323 | * |
| 324 | * NOTE: The declarations below are close to the MC RFC for the Media |
| 325 | * Controller, the next generation. Yet, there are a few adjustments |
| 326 | * to do, as we want to be able to have a functional API before |
| 327 | * the MC properties change. Those will be properly marked below. |
| 328 | * Please also notice that I removed "num_pads", "num_links", |
| 329 | * from the proposal, as a proper userspace application will likely |
| 330 | * use lists for pads/links, just as we intend to do in Kernelspace. |
| 331 | * The API definition should be freed from fields that are bound to |
| 332 | * some specific data structure. |
| 333 | * |
| 334 | * FIXME: Currently, I opted to name the new types as "media_v2", as this |
| 335 | * won't cause any conflict with the Kernelspace namespace, nor with |
| 336 | * the previous kAPI media_*_desc namespace. This can be changed |
| 337 | * later, before the adding this API upstream. |
| 338 | */ |
| 339 | |
| 340 | |
| 341 | struct media_v2_entity { |
| 342 | __u32 id; |
| 343 | char name[64]; /* FIXME: move to a property? (RFC says so) */ |
| 344 | __u32 function; /* Main function of the entity */ |
| 345 | __u32 reserved[6]; |
| 346 | } __attribute__ ((packed)); |
| 347 | |
| 348 | /* Should match the specific fields at media_intf_devnode */ |
| 349 | struct media_v2_intf_devnode { |
| 350 | __u32 major; |
| 351 | __u32 minor; |
| 352 | } __attribute__ ((packed)); |
| 353 | |
| 354 | struct media_v2_interface { |
| 355 | __u32 id; |
| 356 | __u32 intf_type; |
| 357 | __u32 flags; |
| 358 | __u32 reserved[9]; |
| 359 | |
| 360 | union { |
| 361 | struct media_v2_intf_devnode devnode; |
| 362 | __u32 raw[16]; |
| 363 | }; |
| 364 | } __attribute__ ((packed)); |
| 365 | |
| 366 | struct media_v2_pad { |
| 367 | __u32 id; |
| 368 | __u32 entity_id; |
| 369 | __u32 flags; |
| 370 | __u32 reserved[5]; |
| 371 | } __attribute__ ((packed)); |
| 372 | |
| 373 | struct media_v2_link { |
| 374 | __u32 id; |
| 375 | __u32 source_id; |
| 376 | __u32 sink_id; |
| 377 | __u32 flags; |
| 378 | __u32 reserved[6]; |
| 379 | } __attribute__ ((packed)); |
| 380 | |
| 381 | struct media_v2_topology { |
| 382 | __u64 topology_version; |
| 383 | |
| 384 | __u32 num_entities; |
| 385 | __u32 reserved1; |
| 386 | __u64 ptr_entities; |
| 387 | |
| 388 | __u32 num_interfaces; |
| 389 | __u32 reserved2; |
| 390 | __u64 ptr_interfaces; |
| 391 | |
| 392 | __u32 num_pads; |
| 393 | __u32 reserved3; |
| 394 | __u64 ptr_pads; |
| 395 | |
| 396 | __u32 num_links; |
| 397 | __u32 reserved4; |
| 398 | __u64 ptr_links; |
| 399 | } __attribute__ ((packed)); |
| 400 | |
| 401 | /* ioctls */ |
| 402 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 403 | #define MEDIA_IOC_DEVICE_INFO _IOWR('|', 0x00, struct media_device_info) |
| 404 | #define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc) |
| 405 | #define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum) |
| 406 | #define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 407 | #define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 408 | |
| 409 | #endif /* __LINUX_MEDIA_H */ |