diff options
Diffstat (limited to 'drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h')
| -rw-r--r-- | drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h | 154 |
1 files changed, 82 insertions, 72 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h index d1c57edbe2b8..43cc59316f90 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h @@ -4,13 +4,15 @@ * * Copyright © 2013 Raspberry Pi (Trading) Ltd. * - * Authors: Vincent Sanders <vincent.sanders@collabora.co.uk> - * Dave Stevenson <dsteve@broadcom.com> - * Simon Mellor <simellor@broadcom.com> - * Luke Diamand <luked@broadcom.com> + * Authors: Vincent Sanders @ Collabora + * Dave Stevenson @ Broadcom + * (now dave.stevenson@raspberrypi.org) + * Simon Mellor @ Broadcom + * Luke Diamand @ Broadcom */ -/* all the data structures which serialise the MMAL protocol. note +/* + * all the data structures which serialise the MMAL protocol. note * these are directly mapped onto the recived message data. * * BEWARE: They seem to *assume* pointers are u32 and that there is no @@ -21,6 +23,8 @@ * implementation uses fixed size types and not the enums (though the * comments have the actual enum type */ +#ifndef MMAL_MSG_H +#define MMAL_MSG_H #define VC_MMAL_VER 15 #define VC_MMAL_MIN_VER 10 @@ -40,51 +44,51 @@ enum mmal_msg_type { MMAL_MSG_TYPE_SERVICE_CLOSED, MMAL_MSG_TYPE_GET_VERSION, MMAL_MSG_TYPE_COMPONENT_CREATE, - MMAL_MSG_TYPE_COMPONENT_DESTROY, /* 5 */ + MMAL_MSG_TYPE_COMPONENT_DESTROY, /* 5 */ MMAL_MSG_TYPE_COMPONENT_ENABLE, MMAL_MSG_TYPE_COMPONENT_DISABLE, MMAL_MSG_TYPE_PORT_INFO_GET, MMAL_MSG_TYPE_PORT_INFO_SET, - MMAL_MSG_TYPE_PORT_ACTION, /* 10 */ + MMAL_MSG_TYPE_PORT_ACTION, /* 10 */ MMAL_MSG_TYPE_BUFFER_FROM_HOST, MMAL_MSG_TYPE_BUFFER_TO_HOST, MMAL_MSG_TYPE_GET_STATS, MMAL_MSG_TYPE_PORT_PARAMETER_SET, - MMAL_MSG_TYPE_PORT_PARAMETER_GET, /* 15 */ + MMAL_MSG_TYPE_PORT_PARAMETER_GET, /* 15 */ MMAL_MSG_TYPE_EVENT_TO_HOST, MMAL_MSG_TYPE_GET_CORE_STATS_FOR_PORT, MMAL_MSG_TYPE_OPAQUE_ALLOCATOR, MMAL_MSG_TYPE_CONSUME_MEM, - MMAL_MSG_TYPE_LMK, /* 20 */ + MMAL_MSG_TYPE_LMK, /* 20 */ MMAL_MSG_TYPE_OPAQUE_ALLOCATOR_DESC, MMAL_MSG_TYPE_DRM_GET_LHS32, MMAL_MSG_TYPE_DRM_GET_TIME, MMAL_MSG_TYPE_BUFFER_FROM_HOST_ZEROLEN, - MMAL_MSG_TYPE_PORT_FLUSH, /* 25 */ + MMAL_MSG_TYPE_PORT_FLUSH, /* 25 */ MMAL_MSG_TYPE_HOST_LOG, MMAL_MSG_TYPE_MSG_LAST }; /* port action request messages differ depending on the action type */ enum mmal_msg_port_action_type { - MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */ - MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */ - MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */ - MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */ - MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */ - MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */ + MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */ + MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */ + MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */ + MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */ + MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */ + MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */ MMAL_MSG_PORT_ACTION_TYPE_SET_REQUIREMENTS, /* Set buffer requirements*/ }; struct mmal_msg_header { u32 magic; - u32 type; /** enum mmal_msg_type */ + u32 type; /* enum mmal_msg_type */ /* Opaque handle to the control service */ u32 control_service; - u32 context; /** a u32 per message context */ - u32 status; /** The status of the vchiq operation */ + u32 context; /* a u32 per message context */ + u32 status; /* The status of the vchiq operation */ u32 padding; }; @@ -98,9 +102,9 @@ struct mmal_msg_version { /* request to VC to create component */ struct mmal_msg_component_create { - u32 client_component; /* component context */ + u32 client_component; /* component context */ char name[128]; - u32 pid; /* For debug */ + u32 pid; /* For debug */ }; /* reply from VC to component creation request */ @@ -120,7 +124,7 @@ struct mmal_msg_component_destroy { }; struct mmal_msg_component_destroy_reply { - u32 status; /** The component destruction status */ + u32 status; /* The component destruction status */ }; /* request and reply to VC to enable a component */ @@ -129,7 +133,7 @@ struct mmal_msg_component_enable { }; struct mmal_msg_component_enable_reply { - u32 status; /** The component enable status */ + u32 status; /* The component enable status */ }; /* request and reply to VC to disable a component */ @@ -138,7 +142,7 @@ struct mmal_msg_component_disable { }; struct mmal_msg_component_disable_reply { - u32 status; /** The component disable status */ + u32 status; /* The component disable status */ }; /* request to VC to get port information */ @@ -150,12 +154,12 @@ struct mmal_msg_port_info_get { /* reply from VC to get port info request */ struct mmal_msg_port_info_get_reply { - u32 status; /** enum mmal_msg_status */ - u32 component_handle; /* component handle port is associated with */ - u32 port_type; /* enum mmal_msg_port_type */ - u32 port_index; /* port indexed in query */ - s32 found; /* unused */ - u32 port_handle; /**< Handle to use for this port */ + u32 status; /* enum mmal_msg_status */ + u32 component_handle; /* component handle port is associated with */ + u32 port_type; /* enum mmal_msg_port_type */ + u32 port_index; /* port indexed in query */ + s32 found; /* unused */ + u32 port_handle; /* Handle to use for this port */ struct mmal_port port; struct mmal_es_format format; /* elementary stream format */ union mmal_es_specific_format es; /* es type specific data */ @@ -165,8 +169,8 @@ struct mmal_msg_port_info_get_reply { /* request to VC to set port information */ struct mmal_msg_port_info_set { u32 component_handle; - u32 port_type; /* enum mmal_msg_port_type */ - u32 port_index; /* port indexed in query */ + u32 port_type; /* enum mmal_msg_port_type */ + u32 port_index; /* port indexed in query */ struct mmal_port port; struct mmal_es_format format; union mmal_es_specific_format es; @@ -176,11 +180,11 @@ struct mmal_msg_port_info_set { /* reply from VC to port info set request */ struct mmal_msg_port_info_set_reply { u32 status; - u32 component_handle; /* component handle port is associated with */ - u32 port_type; /* enum mmal_msg_port_type */ - u32 index; /* port indexed in query */ - s32 found; /* unused */ - u32 port_handle; /**< Handle to use for this port */ + u32 component_handle; /* component handle port is associated with */ + u32 port_type; /* enum mmal_msg_port_type */ + u32 index; /* port indexed in query */ + s32 found; /* unused */ + u32 port_handle; /* Handle to use for this port */ struct mmal_port port; struct mmal_es_format format; union mmal_es_specific_format es; @@ -191,7 +195,7 @@ struct mmal_msg_port_info_set_reply { struct mmal_msg_port_action_port { u32 component_handle; u32 port_handle; - u32 action; /* enum mmal_msg_port_action_type */ + u32 action; /* enum mmal_msg_port_action_type */ struct mmal_port port; }; @@ -199,50 +203,54 @@ struct mmal_msg_port_action_port { struct mmal_msg_port_action_handle { u32 component_handle; u32 port_handle; - u32 action; /* enum mmal_msg_port_action_type */ + u32 action; /* enum mmal_msg_port_action_type */ u32 connect_component_handle; u32 connect_port_handle; }; struct mmal_msg_port_action_reply { - u32 status; /** The port action operation status */ + u32 status; /* The port action operation status */ }; /* MMAL buffer transfer */ -/** Size of space reserved in a buffer message for short messages. */ +/* Size of space reserved in a buffer message for short messages. */ #define MMAL_VC_SHORT_DATA 128 -/** Signals that the current payload is the end of the stream of data */ +/* Signals that the current payload is the end of the stream of data */ #define MMAL_BUFFER_HEADER_FLAG_EOS BIT(0) -/** Signals that the start of the current payload starts a frame */ +/* Signals that the start of the current payload starts a frame */ #define MMAL_BUFFER_HEADER_FLAG_FRAME_START BIT(1) -/** Signals that the end of the current payload ends a frame */ +/* Signals that the end of the current payload ends a frame */ #define MMAL_BUFFER_HEADER_FLAG_FRAME_END BIT(2) -/** Signals that the current payload contains only complete frames (>1) */ +/* Signals that the current payload contains only complete frames (>1) */ #define MMAL_BUFFER_HEADER_FLAG_FRAME \ - (MMAL_BUFFER_HEADER_FLAG_FRAME_START|MMAL_BUFFER_HEADER_FLAG_FRAME_END) -/** Signals that the current payload is a keyframe (i.e. self decodable) */ + (MMAL_BUFFER_HEADER_FLAG_FRAME_START | \ + MMAL_BUFFER_HEADER_FLAG_FRAME_END) +/* Signals that the current payload is a keyframe (i.e. self decodable) */ #define MMAL_BUFFER_HEADER_FLAG_KEYFRAME BIT(3) -/** Signals a discontinuity in the stream of data (e.g. after a seek). +/* + * Signals a discontinuity in the stream of data (e.g. after a seek). * Can be used for instance by a decoder to reset its state */ #define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY BIT(4) -/** Signals a buffer containing some kind of config data for the component +/* + * Signals a buffer containing some kind of config data for the component * (e.g. codec config data) */ #define MMAL_BUFFER_HEADER_FLAG_CONFIG BIT(5) -/** Signals an encrypted payload */ +/* Signals an encrypted payload */ #define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED BIT(6) -/** Signals a buffer containing side information */ +/* Signals a buffer containing side information */ #define MMAL_BUFFER_HEADER_FLAG_CODECSIDEINFO BIT(7) -/** Signals a buffer which is the snapshot/postview image from a stills +/* + * Signals a buffer which is the snapshot/postview image from a stills * capture */ #define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT BIT(8) -/** Signals a buffer which contains data known to be corrupted */ +/* Signals a buffer which contains data known to be corrupted */ #define MMAL_BUFFER_HEADER_FLAG_CORRUPTED BIT(9) -/** Signals that a buffer failed to be transmitted */ +/* Signals that a buffer failed to be transmitted */ #define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10) struct mmal_driver_buffer { @@ -254,8 +262,8 @@ struct mmal_driver_buffer { /* buffer header */ struct mmal_buffer_header { - u32 next; /* next header */ - u32 priv; /* framework private data */ + u32 next; /* next header */ + u32 priv; /* framework private data */ u32 cmd; u32 data; u32 alloc_size; @@ -280,7 +288,8 @@ struct mmal_buffer_header_type_specific { }; struct mmal_msg_buffer_from_host { - /* The front 32 bytes of the buffer header are copied + /* + *The front 32 bytes of the buffer header are copied * back to us in the reply to allow for context. This * area is used to store two mmal_driver_buffer structures to * allow for multiple concurrent service users. @@ -295,7 +304,7 @@ struct mmal_msg_buffer_from_host { s32 is_zero_copy; s32 has_reference; - /** allows short data to be xfered in control message */ + /* allows short data to be xfered in control message */ u32 payload_in_message; u8 short_data[MMAL_VC_SHORT_DATA]; }; @@ -305,11 +314,11 @@ struct mmal_msg_buffer_from_host { #define MMAL_WORKER_PORT_PARAMETER_SPACE 96 struct mmal_msg_port_parameter_set { - u32 component_handle; /* component */ - u32 port_handle; /* port */ - u32 id; /* Parameter ID */ - u32 size; /* Parameter size */ - uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE]; + u32 component_handle; /* component */ + u32 port_handle; /* port */ + u32 id; /* Parameter ID */ + u32 size; /* Parameter size */ + u32 value[MMAL_WORKER_PORT_PARAMETER_SPACE]; }; struct mmal_msg_port_parameter_set_reply { @@ -321,24 +330,24 @@ struct mmal_msg_port_parameter_set_reply { /* port parameter getting */ struct mmal_msg_port_parameter_get { - u32 component_handle; /* component */ - u32 port_handle; /* port */ - u32 id; /* Parameter ID */ - u32 size; /* Parameter size */ + u32 component_handle; /* component */ + u32 port_handle; /* port */ + u32 id; /* Parameter ID */ + u32 size; /* Parameter size */ }; struct mmal_msg_port_parameter_get_reply { - u32 status; /* Status of mmal_port_parameter_get call */ - u32 id; /* Parameter ID */ - u32 size; /* Parameter size */ - uint32_t value[MMAL_WORKER_PORT_PARAMETER_SPACE]; + u32 status; /* Status of mmal_port_parameter_get call */ + u32 id; /* Parameter ID */ + u32 size; /* Parameter size */ + u32 value[MMAL_WORKER_PORT_PARAMETER_SPACE]; }; /* event messages */ #define MMAL_WORKER_EVENT_SPACE 256 struct mmal_msg_event_to_host { - u32 client_component; /* component context */ + u32 client_component; /* component context */ u32 port_type; u32 port_num; @@ -394,3 +403,4 @@ struct mmal_msg { u8 payload[MMAL_MSG_MAX_PAYLOAD]; } u; }; +#endif |