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staging: bcm2835-camera: Fix comment style violations.

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Fix comment style violations in the header files.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dave Stevenson 2019-06-29 14:13:22 +02:00 committed by Greg Kroah-Hartman
parent be2f87c30f
commit 98fbcbb1de
3 changed files with 172 additions and 156 deletions
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85
drivers/staging/vc04_services/bcm2835-camera/mmal-msg-format.h
View file

@ -19,22 +19,23 @@
/* MMAL_ES_FORMAT_T */ /* MMAL_ES_FORMAT_T */
struct mmal_audio_format { struct mmal_audio_format {
u32 channels; /**< Number of audio channels */ u32 channels; /* Number of audio channels */
u32 sample_rate; /**< Sample rate */ u32 sample_rate; /* Sample rate */
u32 bits_per_sample; /**< Bits per sample */ u32 bits_per_sample; /* Bits per sample */
u32 block_align; /**< Size of a block of data */ u32 block_align; /* Size of a block of data */
}; };
struct mmal_video_format { struct mmal_video_format {
u32 width; /**< Width of frame in pixels */ u32 width; /* Width of frame in pixels */
u32 height; /**< Height of frame in rows of pixels */ u32 height; /* Height of frame in rows of pixels */
struct mmal_rect crop; /**< Visible region of the frame */ struct mmal_rect crop; /* Visible region of the frame */
struct mmal_rational frame_rate; /**< Frame rate */ struct mmal_rational frame_rate; /* Frame rate */
struct mmal_rational par; /**< Pixel aspect ratio */ struct mmal_rational par; /* Pixel aspect ratio */
/* FourCC specifying the color space of the video stream. See the /*
* \ref MmalColorSpace "pre-defined color spaces" for some examples. * FourCC specifying the color space of the video stream. See the
* MmalColorSpace "pre-defined color spaces" for some examples.
*/ */
u32 color_space; u32 color_space;
}; };
@ -50,48 +51,56 @@ union mmal_es_specific_format {
struct mmal_subpicture_format subpicture; struct mmal_subpicture_format subpicture;
}; };
/** Definition of an elementary stream format (MMAL_ES_FORMAT_T) */ /* Definition of an elementary stream format (MMAL_ES_FORMAT_T) */
struct mmal_es_format_local { struct mmal_es_format_local {
u32 type; /* enum mmal_es_type */ u32 type; /* enum mmal_es_type */
u32 encoding; /* FourCC specifying encoding of the elementary stream.*/ u32 encoding; /* FourCC specifying encoding of the elementary
u32 encoding_variant; /* FourCC specifying the specific * stream.
* encoding variant of the elementary */
* stream. u32 encoding_variant; /* FourCC specifying the specific
*/ * encoding variant of the elementary
* stream.
*/
union mmal_es_specific_format *es; /* Type specific union mmal_es_specific_format *es; /* Type specific
* information for the * information for the
* elementary stream * elementary stream
*/ */
u32 bitrate; /**< Bitrate in bits per second */ u32 bitrate; /* Bitrate in bits per second */
u32 flags; /**< Flags describing properties of the elementary stream. */ u32 flags; /* Flags describing properties of the elementary
* stream.
*/
u32 extradata_size; /**< Size of the codec specific data */ u32 extradata_size; /* Size of the codec specific data */
u8 *extradata; /**< Codec specific data */ u8 *extradata; /* Codec specific data */
}; };
/** Remote definition of an elementary stream format (MMAL_ES_FORMAT_T) */ /* Remote definition of an elementary stream format (MMAL_ES_FORMAT_T) */
struct mmal_es_format { struct mmal_es_format {
u32 type; /* enum mmal_es_type */ u32 type; /* enum mmal_es_type */
u32 encoding; /* FourCC specifying encoding of the elementary stream.*/ u32 encoding; /* FourCC specifying encoding of the elementary
u32 encoding_variant; /* FourCC specifying the specific * stream.
* encoding variant of the elementary */
* stream. u32 encoding_variant; /* FourCC specifying the specific
*/ * encoding variant of the elementary
* stream.
*/
u32 es; /* Type specific u32 es; /* Type specific
* information for the * information for the
* elementary stream * elementary stream
*/ */
u32 bitrate; /**< Bitrate in bits per second */ u32 bitrate; /* Bitrate in bits per second */
u32 flags; /**< Flags describing properties of the elementary stream. */ u32 flags; /* Flags describing properties of the elementary
* stream.
*/
u32 extradata_size; /**< Size of the codec specific data */ u32 extradata_size; /* Size of the codec specific data */
u32 extradata; /**< Codec specific data */ u32 extradata; /* Codec specific data */
}; };
#endif /* MMAL_MSG_FORMAT_H */ #endif /* MMAL_MSG_FORMAT_H */

108
drivers/staging/vc04_services/bcm2835-camera/mmal-msg-port.h
View file

@ -13,28 +13,31 @@
/* MMAL_PORT_TYPE_T */ /* MMAL_PORT_TYPE_T */
enum mmal_port_type { enum mmal_port_type {
MMAL_PORT_TYPE_UNKNOWN = 0, /**< Unknown port type */ MMAL_PORT_TYPE_UNKNOWN = 0, /* Unknown port type */
MMAL_PORT_TYPE_CONTROL, /**< Control port */ MMAL_PORT_TYPE_CONTROL, /* Control port */
MMAL_PORT_TYPE_INPUT, /**< Input port */ MMAL_PORT_TYPE_INPUT, /* Input port */
MMAL_PORT_TYPE_OUTPUT, /**< Output port */ MMAL_PORT_TYPE_OUTPUT, /* Output port */
MMAL_PORT_TYPE_CLOCK, /**< Clock port */ MMAL_PORT_TYPE_CLOCK, /* Clock port */
}; };
/** The port is pass-through and doesn't need buffer headers allocated */ /* The port is pass-through and doesn't need buffer headers allocated */
#define MMAL_PORT_CAPABILITY_PASSTHROUGH 0x01 #define MMAL_PORT_CAPABILITY_PASSTHROUGH 0x01
/** The port wants to allocate the buffer payloads. /*
*The port wants to allocate the buffer payloads.
* This signals a preference that payload allocation should be done * This signals a preference that payload allocation should be done
* on this port for efficiency reasons. * on this port for efficiency reasons.
*/ */
#define MMAL_PORT_CAPABILITY_ALLOCATION 0x02 #define MMAL_PORT_CAPABILITY_ALLOCATION 0x02
/** The port supports format change events. /*
* The port supports format change events.
* This applies to input ports and is used to let the client know * This applies to input ports and is used to let the client know
* whether the port supports being reconfigured via a format * whether the port supports being reconfigured via a format
* change event (i.e. without having to disable the port). * change event (i.e. without having to disable the port).
*/ */
#define MMAL_PORT_CAPABILITY_SUPPORTS_EVENT_FORMAT_CHANGE 0x04 #define MMAL_PORT_CAPABILITY_SUPPORTS_EVENT_FORMAT_CHANGE 0x04
/* mmal port structure (MMAL_PORT_T) /*
* mmal port structure (MMAL_PORT_T)
* *
* most elements are informational only, the pointer values for * most elements are informational only, the pointer values for
* interogation messages are generally provided as additional * interogation messages are generally provided as additional
@ -42,50 +45,50 @@ enum mmal_port_type {
* buffer_num, buffer_size and userdata parameters are writable. * buffer_num, buffer_size and userdata parameters are writable.
*/ */
struct mmal_port { struct mmal_port {
u32 priv; /* Private member used by the framework */ u32 priv; /* Private member used by the framework */
u32 name; /* Port name. Used for debugging purposes (RO) */ u32 name; /* Port name. Used for debugging purposes (RO) */
u32 type; /* Type of the port (RO) enum mmal_port_type */ u32 type; /* Type of the port (RO) enum mmal_port_type */
u16 index; /* Index of the port in its type list (RO) */ u16 index; /* Index of the port in its type list (RO) */
u16 index_all; /* Index of the port in the list of all ports (RO) */ u16 index_all; /* Index of the port in the list of all ports (RO) */
u32 is_enabled; /* Indicates whether the port is enabled or not (RO) */ u32 is_enabled; /* Indicates whether the port is enabled or not (RO) */
u32 format; /* Format of the elementary stream */ u32 format; /* Format of the elementary stream */
u32 buffer_num_min; /* Minimum number of buffers the port u32 buffer_num_min; /* Minimum number of buffers the port
* requires (RO). This is set by the * requires (RO). This is set by the
* component. * component.
*/ */
u32 buffer_size_min; /* Minimum size of buffers the port u32 buffer_size_min; /* Minimum size of buffers the port
* requires (RO). This is set by the * requires (RO). This is set by the
* component. * component.
*/ */
u32 buffer_alignment_min; /* Minimum alignment requirement for u32 buffer_alignment_min;/* Minimum alignment requirement for
* the buffers (RO). A value of * the buffers (RO). A value of
* zero means no special alignment * zero means no special alignment
* requirements. This is set by the * requirements. This is set by the
* component. * component.
*/ */
u32 buffer_num_recommended; /* Number of buffers the port u32 buffer_num_recommended; /* Number of buffers the port
* recommends for optimal * recommends for optimal
* performance (RO). A value of * performance (RO). A value of
* zero means no special * zero means no special
* recommendation. This is set * recommendation. This is set
* by the component. * by the component.
*/ */
u32 buffer_size_recommended; /* Size of buffers the port u32 buffer_size_recommended; /* Size of buffers the port
* recommends for optimal * recommends for optimal
* performance (RO). A value of * performance (RO). A value of
* zero means no special * zero means no special
* recommendation. This is set * recommendation. This is set
* by the component. * by the component.
*/ */
u32 buffer_num; /* Actual number of buffers the port will use. u32 buffer_num; /* Actual number of buffers the port will use.
* This is set by the client. * This is set by the client.
*/ */
@ -94,14 +97,13 @@ struct mmal_port {
* the client. * the client.
*/ */
u32 component; /* Component this port belongs to (Read Only) */ u32 component; /* Component this port belongs to (Read Only) */
u32 userdata; /* Field reserved for use by the client */ u32 userdata; /* Field reserved for use by the client */
u32 capabilities; /* Flags describing the capabilities of a
* port (RO). Bitwise combination of \ref
* portcapabilities "Port capabilities"
* values.
*/
u32 capabilities; /* Flags describing the capabilities of a
* port (RO). Bitwise combination of \ref
* portcapabilities "Port capabilities"
* values.
*/
}; };

135
drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h
View file

@ -11,7 +11,8 @@
* Luke Diamand @ 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. * these are directly mapped onto the recived message data.
* *
* BEWARE: They seem to *assume* pointers are u32 and that there is no * BEWARE: They seem to *assume* pointers are u32 and that there is no
@ -41,51 +42,51 @@ enum mmal_msg_type {
MMAL_MSG_TYPE_SERVICE_CLOSED, MMAL_MSG_TYPE_SERVICE_CLOSED,
MMAL_MSG_TYPE_GET_VERSION, MMAL_MSG_TYPE_GET_VERSION,
MMAL_MSG_TYPE_COMPONENT_CREATE, 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_ENABLE,
MMAL_MSG_TYPE_COMPONENT_DISABLE, MMAL_MSG_TYPE_COMPONENT_DISABLE,
MMAL_MSG_TYPE_PORT_INFO_GET, MMAL_MSG_TYPE_PORT_INFO_GET,
MMAL_MSG_TYPE_PORT_INFO_SET, 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_FROM_HOST,
MMAL_MSG_TYPE_BUFFER_TO_HOST, MMAL_MSG_TYPE_BUFFER_TO_HOST,
MMAL_MSG_TYPE_GET_STATS, MMAL_MSG_TYPE_GET_STATS,
MMAL_MSG_TYPE_PORT_PARAMETER_SET, 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_EVENT_TO_HOST,
MMAL_MSG_TYPE_GET_CORE_STATS_FOR_PORT, MMAL_MSG_TYPE_GET_CORE_STATS_FOR_PORT,
MMAL_MSG_TYPE_OPAQUE_ALLOCATOR, MMAL_MSG_TYPE_OPAQUE_ALLOCATOR,
MMAL_MSG_TYPE_CONSUME_MEM, MMAL_MSG_TYPE_CONSUME_MEM,
MMAL_MSG_TYPE_LMK, /* 20 */ MMAL_MSG_TYPE_LMK, /* 20 */
MMAL_MSG_TYPE_OPAQUE_ALLOCATOR_DESC, MMAL_MSG_TYPE_OPAQUE_ALLOCATOR_DESC,
MMAL_MSG_TYPE_DRM_GET_LHS32, MMAL_MSG_TYPE_DRM_GET_LHS32,
MMAL_MSG_TYPE_DRM_GET_TIME, MMAL_MSG_TYPE_DRM_GET_TIME,
MMAL_MSG_TYPE_BUFFER_FROM_HOST_ZEROLEN, 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_HOST_LOG,
MMAL_MSG_TYPE_MSG_LAST MMAL_MSG_TYPE_MSG_LAST
}; };
/* port action request messages differ depending on the action type */ /* port action request messages differ depending on the action type */
enum mmal_msg_port_action_type { enum mmal_msg_port_action_type {
MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */ MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */
MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */ MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */
MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable 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_FLUSH, /* Flush a port */
MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */ MMAL_MSG_PORT_ACTION_TYPE_CONNECT, /* Connect ports */
MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */ MMAL_MSG_PORT_ACTION_TYPE_DISCONNECT, /* Disconnect ports */
MMAL_MSG_PORT_ACTION_TYPE_SET_REQUIREMENTS, /* Set buffer requirements*/ MMAL_MSG_PORT_ACTION_TYPE_SET_REQUIREMENTS, /* Set buffer requirements*/
}; };
struct mmal_msg_header { struct mmal_msg_header {
u32 magic; u32 magic;
u32 type; /** enum mmal_msg_type */ u32 type; /* enum mmal_msg_type */
/* Opaque handle to the control service */ /* Opaque handle to the control service */
u32 control_service; u32 control_service;
u32 context; /** a u32 per message context */ u32 context; /* a u32 per message context */
u32 status; /** The status of the vchiq operation */ u32 status; /* The status of the vchiq operation */
u32 padding; u32 padding;
}; };
@ -99,9 +100,9 @@ struct mmal_msg_version {
/* request to VC to create component */ /* request to VC to create component */
struct mmal_msg_component_create { struct mmal_msg_component_create {
u32 client_component; /* component context */ u32 client_component; /* component context */
char name[128]; char name[128];
u32 pid; /* For debug */ u32 pid; /* For debug */
}; };
/* reply from VC to component creation request */ /* reply from VC to component creation request */
@ -121,7 +122,7 @@ struct mmal_msg_component_destroy {
}; };
struct mmal_msg_component_destroy_reply { 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 */ /* request and reply to VC to enable a component */
@ -130,7 +131,7 @@ struct mmal_msg_component_enable {
}; };
struct mmal_msg_component_enable_reply { 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 */ /* request and reply to VC to disable a component */
@ -139,7 +140,7 @@ struct mmal_msg_component_disable {
}; };
struct mmal_msg_component_disable_reply { 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 */ /* request to VC to get port information */
@ -151,12 +152,12 @@ struct mmal_msg_port_info_get {
/* reply from VC to get port info request */ /* reply from VC to get port info request */
struct mmal_msg_port_info_get_reply { struct mmal_msg_port_info_get_reply {
u32 status; /** enum mmal_msg_status */ u32 status; /* enum mmal_msg_status */
u32 component_handle; /* component handle port is associated with */ u32 component_handle; /* component handle port is associated with */
u32 port_type; /* enum mmal_msg_port_type */ u32 port_type; /* enum mmal_msg_port_type */
u32 port_index; /* port indexed in query */ u32 port_index; /* port indexed in query */
s32 found; /* unused */ s32 found; /* unused */
u32 port_handle; /**< Handle to use for this port */ u32 port_handle; /* Handle to use for this port */
struct mmal_port port; struct mmal_port port;
struct mmal_es_format format; /* elementary stream format */ struct mmal_es_format format; /* elementary stream format */
union mmal_es_specific_format es; /* es type specific data */ union mmal_es_specific_format es; /* es type specific data */
@ -166,8 +167,8 @@ struct mmal_msg_port_info_get_reply {
/* request to VC to set port information */ /* request to VC to set port information */
struct mmal_msg_port_info_set { struct mmal_msg_port_info_set {
u32 component_handle; u32 component_handle;
u32 port_type; /* enum mmal_msg_port_type */ u32 port_type; /* enum mmal_msg_port_type */
u32 port_index; /* port indexed in query */ u32 port_index; /* port indexed in query */
struct mmal_port port; struct mmal_port port;
struct mmal_es_format format; struct mmal_es_format format;
union mmal_es_specific_format es; union mmal_es_specific_format es;
@ -177,11 +178,11 @@ struct mmal_msg_port_info_set {
/* reply from VC to port info set request */ /* reply from VC to port info set request */
struct mmal_msg_port_info_set_reply { struct mmal_msg_port_info_set_reply {
u32 status; u32 status;
u32 component_handle; /* component handle port is associated with */ u32 component_handle; /* component handle port is associated with */
u32 port_type; /* enum mmal_msg_port_type */ u32 port_type; /* enum mmal_msg_port_type */
u32 index; /* port indexed in query */ u32 index; /* port indexed in query */
s32 found; /* unused */ s32 found; /* unused */
u32 port_handle; /**< Handle to use for this port */ u32 port_handle; /* Handle to use for this port */
struct mmal_port port; struct mmal_port port;
struct mmal_es_format format; struct mmal_es_format format;
union mmal_es_specific_format es; union mmal_es_specific_format es;
@ -192,7 +193,7 @@ struct mmal_msg_port_info_set_reply {
struct mmal_msg_port_action_port { struct mmal_msg_port_action_port {
u32 component_handle; u32 component_handle;
u32 port_handle; u32 port_handle;
u32 action; /* enum mmal_msg_port_action_type */ u32 action; /* enum mmal_msg_port_action_type */
struct mmal_port port; struct mmal_port port;
}; };
@ -200,50 +201,53 @@ struct mmal_msg_port_action_port {
struct mmal_msg_port_action_handle { struct mmal_msg_port_action_handle {
u32 component_handle; u32 component_handle;
u32 port_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_component_handle;
u32 connect_port_handle; u32 connect_port_handle;
}; };
struct mmal_msg_port_action_reply { struct mmal_msg_port_action_reply {
u32 status; /** The port action operation status */ u32 status; /* The port action operation status */
}; };
/* MMAL buffer transfer */ /* 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 #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) #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) #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) #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 \ #define MMAL_BUFFER_HEADER_FLAG_FRAME \
(MMAL_BUFFER_HEADER_FLAG_FRAME_START|MMAL_BUFFER_HEADER_FLAG_FRAME_END) (MMAL_BUFFER_HEADER_FLAG_FRAME_START|MMAL_BUFFER_HEADER_FLAG_FRAME_END)
/** Signals that the current payload is a keyframe (i.e. self decodable) */ /* Signals that the current payload is a keyframe (i.e. self decodable) */
#define MMAL_BUFFER_HEADER_FLAG_KEYFRAME BIT(3) #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 * Can be used for instance by a decoder to reset its state
*/ */
#define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY BIT(4) #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) * (e.g. codec config data)
*/ */
#define MMAL_BUFFER_HEADER_FLAG_CONFIG BIT(5) #define MMAL_BUFFER_HEADER_FLAG_CONFIG BIT(5)
/** Signals an encrypted payload */ /* Signals an encrypted payload */
#define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED BIT(6) #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) #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 * capture
*/ */
#define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT BIT(8) #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) #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) #define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10)
struct mmal_driver_buffer { struct mmal_driver_buffer {
@ -255,8 +259,8 @@ struct mmal_driver_buffer {
/* buffer header */ /* buffer header */
struct mmal_buffer_header { struct mmal_buffer_header {
u32 next; /* next header */ u32 next; /* next header */
u32 priv; /* framework private data */ u32 priv; /* framework private data */
u32 cmd; u32 cmd;
u32 data; u32 data;
u32 alloc_size; u32 alloc_size;
@ -281,7 +285,8 @@ struct mmal_buffer_header_type_specific {
}; };
struct mmal_msg_buffer_from_host { 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 * back to us in the reply to allow for context. This
* area is used to store two mmal_driver_buffer structures to * area is used to store two mmal_driver_buffer structures to
* allow for multiple concurrent service users. * allow for multiple concurrent service users.
@ -296,7 +301,7 @@ struct mmal_msg_buffer_from_host {
s32 is_zero_copy; s32 is_zero_copy;
s32 has_reference; 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; u32 payload_in_message;
u8 short_data[MMAL_VC_SHORT_DATA]; u8 short_data[MMAL_VC_SHORT_DATA];
}; };
@ -306,10 +311,10 @@ struct mmal_msg_buffer_from_host {
#define MMAL_WORKER_PORT_PARAMETER_SPACE 96 #define MMAL_WORKER_PORT_PARAMETER_SPACE 96
struct mmal_msg_port_parameter_set { struct mmal_msg_port_parameter_set {
u32 component_handle; /* component */ u32 component_handle; /* component */
u32 port_handle; /* port */ u32 port_handle; /* port */
u32 id; /* Parameter ID */ u32 id; /* Parameter ID */
u32 size; /* Parameter size */ u32 size; /* Parameter size */
u32 value[MMAL_WORKER_PORT_PARAMETER_SPACE]; u32 value[MMAL_WORKER_PORT_PARAMETER_SPACE];
}; };
@ -322,16 +327,16 @@ struct mmal_msg_port_parameter_set_reply {
/* port parameter getting */ /* port parameter getting */
struct mmal_msg_port_parameter_get { struct mmal_msg_port_parameter_get {
u32 component_handle; /* component */ u32 component_handle; /* component */
u32 port_handle; /* port */ u32 port_handle; /* port */
u32 id; /* Parameter ID */ u32 id; /* Parameter ID */
u32 size; /* Parameter size */ u32 size; /* Parameter size */
}; };
struct mmal_msg_port_parameter_get_reply { struct mmal_msg_port_parameter_get_reply {
u32 status; /* Status of mmal_port_parameter_get call */ u32 status; /* Status of mmal_port_parameter_get call */
u32 id; /* Parameter ID */ u32 id; /* Parameter ID */
u32 size; /* Parameter size */ u32 size; /* Parameter size */
u32 value[MMAL_WORKER_PORT_PARAMETER_SPACE]; u32 value[MMAL_WORKER_PORT_PARAMETER_SPACE];
}; };
@ -339,7 +344,7 @@ struct mmal_msg_port_parameter_get_reply {
#define MMAL_WORKER_EVENT_SPACE 256 #define MMAL_WORKER_EVENT_SPACE 256
struct mmal_msg_event_to_host { struct mmal_msg_event_to_host {
u32 client_component; /* component context */ u32 client_component; /* component context */
u32 port_type; u32 port_type;
u32 port_num; u32 port_num;