diff options
Diffstat (limited to 'include/uapi/linux/media.h')
| -rw-r--r-- | include/uapi/linux/media.h | 390 |
1 files changed, 207 insertions, 183 deletions
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index fac96c64fe51..1c80b1d6bbaf 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Multimedia device API * @@ -14,23 +15,13 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MEDIA_H #define __LINUX_MEDIA_H -#ifndef __KERNEL__ -#include <stdint.h> -#endif #include <linux/ioctl.h> #include <linux/types.h> -#include <linux/version.h> - -#define MEDIA_API_VERSION KERNEL_VERSION(0, 1, 0) struct media_device_info { char driver[16]; @@ -43,59 +34,87 @@ struct media_device_info { __u32 reserved[31]; }; -#define MEDIA_ENT_ID_FLAG_NEXT (1 << 31) +/* + * Base number ranges for entity functions + * + * NOTE: Userspace should not rely on these ranges to identify a group + * of function types, as newer functions can be added with any name within + * the full u32 range. + * + * Some older functions use the MEDIA_ENT_F_OLD_*_BASE range. Do not + * change this, this is for backwards compatibility. When adding new + * functions always use MEDIA_ENT_F_BASE. + */ +#define MEDIA_ENT_F_BASE 0x00000000 +#define MEDIA_ENT_F_OLD_BASE 0x00010000 +#define MEDIA_ENT_F_OLD_SUBDEV_BASE 0x00020000 /* * Initial value to be used when a new entity is created - * Drivers should change it to something useful + * Drivers should change it to something useful. */ -#define MEDIA_ENT_F_UNKNOWN 0x00000000 +#define MEDIA_ENT_F_UNKNOWN MEDIA_ENT_F_BASE /* - * Base number ranges for entity functions - * - * NOTE: those ranges and entity function number are phased just to - * make it easier to maintain this file. Userspace should not rely on - * the ranges to identify a group of function types, as newer - * functions can be added with any name within the full u32 range. + * Subdevs are initialized with MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN in order + * to preserve backward compatibility. Drivers must change to the proper + * subdev type before registering the entity. + */ +#define MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN MEDIA_ENT_F_OLD_SUBDEV_BASE + +/* + * DVB entity functions + */ +#define MEDIA_ENT_F_DTV_DEMOD (MEDIA_ENT_F_BASE + 0x00001) +#define MEDIA_ENT_F_TS_DEMUX (MEDIA_ENT_F_BASE + 0x00002) +#define MEDIA_ENT_F_DTV_CA (MEDIA_ENT_F_BASE + 0x00003) +#define MEDIA_ENT_F_DTV_NET_DECAP (MEDIA_ENT_F_BASE + 0x00004) + +/* + * I/O entity functions */ -#define MEDIA_ENT_F_BASE 0x00000000 -#define MEDIA_ENT_F_OLD_BASE 0x00010000 -#define MEDIA_ENT_F_OLD_SUBDEV_BASE 0x00020000 +#define MEDIA_ENT_F_IO_V4L (MEDIA_ENT_F_OLD_BASE + 1) +#define MEDIA_ENT_F_IO_DTV (MEDIA_ENT_F_BASE + 0x01001) +#define MEDIA_ENT_F_IO_VBI (MEDIA_ENT_F_BASE + 0x01002) +#define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 0x01003) /* - * DVB entities + * Sensor functions */ -#define MEDIA_ENT_F_DTV_DEMOD (MEDIA_ENT_F_BASE + 0x00001) -#define MEDIA_ENT_F_TS_DEMUX (MEDIA_ENT_F_BASE + 0x00002) -#define MEDIA_ENT_F_DTV_CA (MEDIA_ENT_F_BASE + 0x00003) -#define MEDIA_ENT_F_DTV_NET_DECAP (MEDIA_ENT_F_BASE + 0x00004) +#define MEDIA_ENT_F_CAM_SENSOR (MEDIA_ENT_F_OLD_SUBDEV_BASE + 1) +#define MEDIA_ENT_F_FLASH (MEDIA_ENT_F_OLD_SUBDEV_BASE + 2) +#define MEDIA_ENT_F_LENS (MEDIA_ENT_F_OLD_SUBDEV_BASE + 3) /* - * I/O entities + * Digital TV, analog TV, radio and/or software defined radio tuner functions. + * + * It is a responsibility of the master/bridge drivers to add connectors + * and links for MEDIA_ENT_F_TUNER. Please notice that some old tuners + * may require the usage of separate I2C chips to decode analog TV signals, + * when the master/bridge chipset doesn't have its own TV standard decoder. + * On such cases, the IF-PLL staging is mapped via one or two entities: + * MEDIA_ENT_F_IF_VID_DECODER and/or MEDIA_ENT_F_IF_AUD_DECODER. */ -#define MEDIA_ENT_F_IO_DTV (MEDIA_ENT_F_BASE + 0x01001) -#define MEDIA_ENT_F_IO_VBI (MEDIA_ENT_F_BASE + 0x01002) -#define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 0x01003) +#define MEDIA_ENT_F_TUNER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 5) /* - * Analog TV IF-PLL decoders + * Analog TV IF-PLL decoder functions * * It is a responsibility of the master/bridge drivers to create links * for MEDIA_ENT_F_IF_VID_DECODER and MEDIA_ENT_F_IF_AUD_DECODER. */ -#define MEDIA_ENT_F_IF_VID_DECODER (MEDIA_ENT_F_BASE + 0x02001) -#define MEDIA_ENT_F_IF_AUD_DECODER (MEDIA_ENT_F_BASE + 0x02002) +#define MEDIA_ENT_F_IF_VID_DECODER (MEDIA_ENT_F_BASE + 0x02001) +#define MEDIA_ENT_F_IF_AUD_DECODER (MEDIA_ENT_F_BASE + 0x02002) /* - * Audio Entity Functions + * Audio entity functions */ -#define MEDIA_ENT_F_AUDIO_CAPTURE (MEDIA_ENT_F_BASE + 0x03001) -#define MEDIA_ENT_F_AUDIO_PLAYBACK (MEDIA_ENT_F_BASE + 0x03002) -#define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 0x03003) +#define MEDIA_ENT_F_AUDIO_CAPTURE (MEDIA_ENT_F_BASE + 0x03001) +#define MEDIA_ENT_F_AUDIO_PLAYBACK (MEDIA_ENT_F_BASE + 0x03002) +#define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 0x03003) /* - * Processing entities + * Processing entity functions */ #define MEDIA_ENT_F_PROC_VIDEO_COMPOSER (MEDIA_ENT_F_BASE + 0x4001) #define MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER (MEDIA_ENT_F_BASE + 0x4002) @@ -103,95 +122,29 @@ struct media_device_info { #define MEDIA_ENT_F_PROC_VIDEO_LUT (MEDIA_ENT_F_BASE + 0x4004) #define MEDIA_ENT_F_PROC_VIDEO_SCALER (MEDIA_ENT_F_BASE + 0x4005) #define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006) +#define MEDIA_ENT_F_PROC_VIDEO_ENCODER (MEDIA_ENT_F_BASE + 0x4007) +#define MEDIA_ENT_F_PROC_VIDEO_DECODER (MEDIA_ENT_F_BASE + 0x4008) +#define MEDIA_ENT_F_PROC_VIDEO_ISP (MEDIA_ENT_F_BASE + 0x4009) /* - * Switch and bridge entitites + * Switch and bridge entity functions */ #define MEDIA_ENT_F_VID_MUX (MEDIA_ENT_F_BASE + 0x5001) #define MEDIA_ENT_F_VID_IF_BRIDGE (MEDIA_ENT_F_BASE + 0x5002) /* - * Connectors - */ -/* It is a responsibility of the entity drivers to add connectors and links */ -#ifdef __KERNEL__ - /* - * For now, it should not be used in userspace, as some - * definitions may change - */ - -#define MEDIA_ENT_F_CONN_RF (MEDIA_ENT_F_BASE + 0x30001) -#define MEDIA_ENT_F_CONN_SVIDEO (MEDIA_ENT_F_BASE + 0x30002) -#define MEDIA_ENT_F_CONN_COMPOSITE (MEDIA_ENT_F_BASE + 0x30003) - -#endif - -/* - * Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and - * MEDIA_ENT_F_OLD_SUBDEV_BASE are kept to keep backward compatibility - * with the legacy v1 API.The number range is out of range by purpose: - * several previously reserved numbers got excluded from this range. - * - * Subdevs are initialized with MEDIA_ENT_T_V4L2_SUBDEV_UNKNOWN, - * in order to preserve backward compatibility. - * Drivers must change to the proper subdev type before - * registering the entity. - */ - -#define MEDIA_ENT_F_IO_V4L (MEDIA_ENT_F_OLD_BASE + 1) - -#define MEDIA_ENT_F_CAM_SENSOR (MEDIA_ENT_F_OLD_SUBDEV_BASE + 1) -#define MEDIA_ENT_F_FLASH (MEDIA_ENT_F_OLD_SUBDEV_BASE + 2) -#define MEDIA_ENT_F_LENS (MEDIA_ENT_F_OLD_SUBDEV_BASE + 3) -#define MEDIA_ENT_F_ATV_DECODER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 4) -/* - * It is a responsibility of the master/bridge drivers to add connectors - * and links for MEDIA_ENT_F_TUNER. Please notice that some old tuners - * may require the usage of separate I2C chips to decode analog TV signals, - * when the master/bridge chipset doesn't have its own TV standard decoder. - * On such cases, the IF-PLL staging is mapped via one or two entities: - * MEDIA_ENT_F_IF_VID_DECODER and/or MEDIA_ENT_F_IF_AUD_DECODER. - */ -#define MEDIA_ENT_F_TUNER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 5) - -#define MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN MEDIA_ENT_F_OLD_SUBDEV_BASE - -#if !defined(__KERNEL__) || defined(__NEED_MEDIA_LEGACY_API) - -/* - * Legacy symbols used to avoid userspace compilation breakages - * - * Those symbols map the entity function into types and should be - * used only on legacy programs for legacy hardware. Don't rely - * on those for MEDIA_IOC_G_TOPOLOGY. + * Video decoder/encoder functions */ -#define MEDIA_ENT_TYPE_SHIFT 16 -#define MEDIA_ENT_TYPE_MASK 0x00ff0000 -#define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff - -/* End of the old subdev reserved numberspace */ -#define MEDIA_ENT_T_DEVNODE_UNKNOWN (MEDIA_ENT_T_DEVNODE | \ - MEDIA_ENT_SUBTYPE_MASK) - -#define MEDIA_ENT_T_DEVNODE MEDIA_ENT_F_OLD_BASE -#define MEDIA_ENT_T_DEVNODE_V4L MEDIA_ENT_F_IO_V4L -#define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_T_DEVNODE + 2) -#define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_T_DEVNODE + 3) -#define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_T_DEVNODE + 4) - -#define MEDIA_ENT_T_UNKNOWN MEDIA_ENT_F_UNKNOWN -#define MEDIA_ENT_T_V4L2_VIDEO MEDIA_ENT_F_IO_V4L -#define MEDIA_ENT_T_V4L2_SUBDEV MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN -#define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR MEDIA_ENT_F_CAM_SENSOR -#define MEDIA_ENT_T_V4L2_SUBDEV_FLASH MEDIA_ENT_F_FLASH -#define MEDIA_ENT_T_V4L2_SUBDEV_LENS MEDIA_ENT_F_LENS -#define MEDIA_ENT_T_V4L2_SUBDEV_DECODER MEDIA_ENT_F_ATV_DECODER -#define MEDIA_ENT_T_V4L2_SUBDEV_TUNER MEDIA_ENT_F_TUNER -#endif +#define MEDIA_ENT_F_ATV_DECODER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 4) +#define MEDIA_ENT_F_DV_DECODER (MEDIA_ENT_F_BASE + 0x6001) +#define MEDIA_ENT_F_DV_ENCODER (MEDIA_ENT_F_BASE + 0x6002) /* Entity flags */ -#define MEDIA_ENT_FL_DEFAULT (1 << 0) -#define MEDIA_ENT_FL_CONNECTOR (1 << 1) +#define MEDIA_ENT_FL_DEFAULT (1U << 0) +#define MEDIA_ENT_FL_CONNECTOR (1U << 1) + +/* OR with the entity id value to find the next entity */ +#define MEDIA_ENT_ID_FLAG_NEXT (1U << 31) struct media_entity_desc { __u32 id; @@ -212,7 +165,7 @@ struct media_entity_desc { __u32 minor; } dev; -#if 1 +#if !defined(__KERNEL__) /* * TODO: this shouldn't have been added without * actual drivers that use this. When the first real driver @@ -223,24 +176,17 @@ struct media_entity_desc { * contain the subdevice information. In addition, struct dev * can only refer to a single device, and not to multiple (e.g. * pcm and mixer devices). - * - * So for now mark this as a to do. */ struct { __u32 card; __u32 device; __u32 subdevice; } alsa; -#endif -#if 1 /* * DEPRECATED: previous node specifications. Kept just to - * avoid breaking compilation, but media_entity_desc.dev - * should be used instead. In particular, alsa and dvb - * fields below are wrong: for all devnodes, there should - * be just major/minor inside the struct, as this is enough - * to represent any devnode, no matter what type. + * avoid breaking compilation. Use media_entity_desc.dev + * instead. */ struct { __u32 major; @@ -259,9 +205,9 @@ struct media_entity_desc { }; }; -#define MEDIA_PAD_FL_SINK (1 << 0) -#define MEDIA_PAD_FL_SOURCE (1 << 1) -#define MEDIA_PAD_FL_MUST_CONNECT (1 << 2) +#define MEDIA_PAD_FL_SINK (1U << 0) +#define MEDIA_PAD_FL_SOURCE (1U << 1) +#define MEDIA_PAD_FL_MUST_CONNECT (1U << 2) struct media_pad_desc { __u32 entity; /* entity ID */ @@ -270,13 +216,14 @@ struct media_pad_desc { __u32 reserved[2]; }; -#define MEDIA_LNK_FL_ENABLED (1 << 0) -#define MEDIA_LNK_FL_IMMUTABLE (1 << 1) -#define MEDIA_LNK_FL_DYNAMIC (1 << 2) +#define MEDIA_LNK_FL_ENABLED (1U << 0) +#define MEDIA_LNK_FL_IMMUTABLE (1U << 1) +#define MEDIA_LNK_FL_DYNAMIC (1U << 2) -#define MEDIA_LNK_FL_LINK_TYPE (0xf << 28) -# define MEDIA_LNK_FL_DATA_LINK (0 << 28) -# define MEDIA_LNK_FL_INTERFACE_LINK (1 << 28) +#define MEDIA_LNK_FL_LINK_TYPE (0xf << 28) +# define MEDIA_LNK_FL_DATA_LINK (0U << 28) +# define MEDIA_LNK_FL_INTERFACE_LINK (1U << 28) +# define MEDIA_LNK_FL_ANCILLARY_LINK (2U << 28) struct media_link_desc { struct media_pad_desc source; @@ -296,59 +243,64 @@ struct media_links_enum { /* Interface type ranges */ -#define MEDIA_INTF_T_DVB_BASE 0x00000100 -#define MEDIA_INTF_T_V4L_BASE 0x00000200 -#define MEDIA_INTF_T_ALSA_BASE 0x00000300 +#define MEDIA_INTF_T_DVB_BASE 0x00000100 +#define MEDIA_INTF_T_V4L_BASE 0x00000200 /* Interface types */ -#define MEDIA_INTF_T_DVB_FE (MEDIA_INTF_T_DVB_BASE) -#define MEDIA_INTF_T_DVB_DEMUX (MEDIA_INTF_T_DVB_BASE + 1) -#define MEDIA_INTF_T_DVB_DVR (MEDIA_INTF_T_DVB_BASE + 2) -#define MEDIA_INTF_T_DVB_CA (MEDIA_INTF_T_DVB_BASE + 3) -#define MEDIA_INTF_T_DVB_NET (MEDIA_INTF_T_DVB_BASE + 4) - -#define MEDIA_INTF_T_V4L_VIDEO (MEDIA_INTF_T_V4L_BASE) -#define MEDIA_INTF_T_V4L_VBI (MEDIA_INTF_T_V4L_BASE + 1) -#define MEDIA_INTF_T_V4L_RADIO (MEDIA_INTF_T_V4L_BASE + 2) -#define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3) -#define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4) -#define MEDIA_INTF_T_V4L_TOUCH (MEDIA_INTF_T_V4L_BASE + 5) - -#define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE) -#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK (MEDIA_INTF_T_ALSA_BASE + 1) -#define MEDIA_INTF_T_ALSA_CONTROL (MEDIA_INTF_T_ALSA_BASE + 2) -#define MEDIA_INTF_T_ALSA_COMPRESS (MEDIA_INTF_T_ALSA_BASE + 3) -#define MEDIA_INTF_T_ALSA_RAWMIDI (MEDIA_INTF_T_ALSA_BASE + 4) -#define MEDIA_INTF_T_ALSA_HWDEP (MEDIA_INTF_T_ALSA_BASE + 5) -#define MEDIA_INTF_T_ALSA_SEQUENCER (MEDIA_INTF_T_ALSA_BASE + 6) -#define MEDIA_INTF_T_ALSA_TIMER (MEDIA_INTF_T_ALSA_BASE + 7) +#define MEDIA_INTF_T_DVB_FE (MEDIA_INTF_T_DVB_BASE) +#define MEDIA_INTF_T_DVB_DEMUX (MEDIA_INTF_T_DVB_BASE + 1) +#define MEDIA_INTF_T_DVB_DVR (MEDIA_INTF_T_DVB_BASE + 2) +#define MEDIA_INTF_T_DVB_CA (MEDIA_INTF_T_DVB_BASE + 3) +#define MEDIA_INTF_T_DVB_NET (MEDIA_INTF_T_DVB_BASE + 4) + +#define MEDIA_INTF_T_V4L_VIDEO (MEDIA_INTF_T_V4L_BASE) +#define MEDIA_INTF_T_V4L_VBI (MEDIA_INTF_T_V4L_BASE + 1) +#define MEDIA_INTF_T_V4L_RADIO (MEDIA_INTF_T_V4L_BASE + 2) +#define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3) +#define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4) +#define MEDIA_INTF_T_V4L_TOUCH (MEDIA_INTF_T_V4L_BASE + 5) + +#define MEDIA_INTF_T_ALSA_BASE 0x00000300 +#define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE) +#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK (MEDIA_INTF_T_ALSA_BASE + 1) +#define MEDIA_INTF_T_ALSA_CONTROL (MEDIA_INTF_T_ALSA_BASE + 2) + +#if defined(__KERNEL__) /* - * MC next gen API definitions + * Connector functions * - * NOTE: The declarations below are close to the MC RFC for the Media - * Controller, the next generation. Yet, there are a few adjustments - * to do, as we want to be able to have a functional API before - * the MC properties change. Those will be properly marked below. - * Please also notice that I removed "num_pads", "num_links", - * from the proposal, as a proper userspace application will likely - * use lists for pads/links, just as we intend to do in Kernelspace. - * The API definition should be freed from fields that are bound to - * some specific data structure. + * For now these should not be used in userspace, as some definitions may + * change. * - * FIXME: Currently, I opted to name the new types as "media_v2", as this - * won't cause any conflict with the Kernelspace namespace, nor with - * the previous kAPI media_*_desc namespace. This can be changed - * later, before the adding this API upstream. + * It is the responsibility of the entity drivers to add connectors and links. + */ +#define MEDIA_ENT_F_CONN_RF (MEDIA_ENT_F_BASE + 0x30001) +#define MEDIA_ENT_F_CONN_SVIDEO (MEDIA_ENT_F_BASE + 0x30002) +#define MEDIA_ENT_F_CONN_COMPOSITE (MEDIA_ENT_F_BASE + 0x30003) + +#endif + +/* + * MC next gen API definitions */ +/* + * Appeared in 4.19.0. + * + * The media_version argument comes from the media_version field in + * struct media_device_info. + */ +#define MEDIA_V2_ENTITY_HAS_FLAGS(media_version) \ + ((media_version) >= ((4U << 16) | (19U << 8) | 0U)) struct media_v2_entity { __u32 id; - char name[64]; /* FIXME: move to a property? (RFC says so) */ + char name[64]; __u32 function; /* Main function of the entity */ - __u32 reserved[6]; + __u32 flags; + __u32 reserved[5]; } __attribute__ ((packed)); /* Should match the specific fields at media_intf_devnode */ @@ -369,11 +321,21 @@ struct media_v2_interface { }; } __attribute__ ((packed)); +/* + * Appeared in 4.19.0. + * + * The media_version argument comes from the media_version field in + * struct media_device_info. + */ +#define MEDIA_V2_PAD_HAS_INDEX(media_version) \ + ((media_version) >= ((4U << 16) | (19U << 8) | 0U)) + struct media_v2_pad { __u32 id; __u32 entity_id; __u32 flags; - __u32 reserved[5]; + __u32 index; + __u32 reserved[4]; } __attribute__ ((packed)); struct media_v2_link { @@ -406,10 +368,72 @@ struct media_v2_topology { /* ioctls */ -#define MEDIA_IOC_DEVICE_INFO _IOWR('|', 0x00, struct media_device_info) -#define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc) -#define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum) -#define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc) -#define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology) +#define MEDIA_IOC_DEVICE_INFO _IOWR('|', 0x00, struct media_device_info) +#define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc) +#define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum) +#define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc) +#define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology) +#define MEDIA_IOC_REQUEST_ALLOC _IOR ('|', 0x05, int) + +/* + * These ioctls are called on the request file descriptor as returned + * by MEDIA_IOC_REQUEST_ALLOC. + */ +#define MEDIA_REQUEST_IOC_QUEUE _IO('|', 0x80) +#define MEDIA_REQUEST_IOC_REINIT _IO('|', 0x81) + +#ifndef __KERNEL__ + +/* + * Legacy symbols used to avoid userspace compilation breakages. + * Do not use any of this in new applications! + * + * Those symbols map the entity function into types and should be + * used only on legacy programs for legacy hardware. Don't rely + * on those for MEDIA_IOC_G_TOPOLOGY. + */ +#define MEDIA_ENT_TYPE_SHIFT 16 +#define MEDIA_ENT_TYPE_MASK 0x00ff0000 +#define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff + +#define MEDIA_ENT_T_DEVNODE_UNKNOWN (MEDIA_ENT_F_OLD_BASE | \ + MEDIA_ENT_SUBTYPE_MASK) + +#define MEDIA_ENT_T_DEVNODE MEDIA_ENT_F_OLD_BASE +#define MEDIA_ENT_T_DEVNODE_V4L MEDIA_ENT_F_IO_V4L +#define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_F_OLD_BASE + 2) +#define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_F_OLD_BASE + 3) +#define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_F_OLD_BASE + 4) + +#define MEDIA_ENT_T_UNKNOWN MEDIA_ENT_F_UNKNOWN +#define MEDIA_ENT_T_V4L2_VIDEO MEDIA_ENT_F_IO_V4L +#define MEDIA_ENT_T_V4L2_SUBDEV MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN +#define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR MEDIA_ENT_F_CAM_SENSOR +#define MEDIA_ENT_T_V4L2_SUBDEV_FLASH MEDIA_ENT_F_FLASH +#define MEDIA_ENT_T_V4L2_SUBDEV_LENS MEDIA_ENT_F_LENS +#define MEDIA_ENT_T_V4L2_SUBDEV_DECODER MEDIA_ENT_F_ATV_DECODER +#define MEDIA_ENT_T_V4L2_SUBDEV_TUNER MEDIA_ENT_F_TUNER + +#define MEDIA_ENT_F_DTV_DECODER MEDIA_ENT_F_DV_DECODER + +/* + * There is still no full ALSA support in the media controller. These + * defines should not have been added and we leave them here only + * in case some application tries to use these defines. + * + * The ALSA defines that are in use have been moved into __KERNEL__ + * scope. As support gets added to these interface types, they should + * be moved into __KERNEL__ scope with the code that uses them. + */ +#define MEDIA_INTF_T_ALSA_COMPRESS (MEDIA_INTF_T_ALSA_BASE + 3) +#define MEDIA_INTF_T_ALSA_RAWMIDI (MEDIA_INTF_T_ALSA_BASE + 4) +#define MEDIA_INTF_T_ALSA_HWDEP (MEDIA_INTF_T_ALSA_BASE + 5) +#define MEDIA_INTF_T_ALSA_SEQUENCER (MEDIA_INTF_T_ALSA_BASE + 6) +#define MEDIA_INTF_T_ALSA_TIMER (MEDIA_INTF_T_ALSA_BASE + 7) + +/* Obsolete symbol for media_version, no longer used in the kernel */ +#define MEDIA_API_VERSION ((0U << 16) | (1U << 8) | 0U) + +#endif #endif /* __LINUX_MEDIA_H */ |
