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greybus: Add camera protocol definition 

Define the camera data protocol ID and all the protocol operations data
structures.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Laurent Pinchart 2015-12-15 03:18:05 +02:00 committed by Greg Kroah-Hartman
parent 8e3fba55d3
commit e61a2a7114
2 changed files with 73 additions and 1 deletions
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3
drivers/staging/greybus/greybus_manifest.h
View File

@ -35,7 +35,7 @@ enum greybus_protocol {
/* 0x0a is unused */
GREYBUS_PROTOCOL_SPI = 0x0b,
GREYBUS_PROTOCOL_DISPLAY = 0x0c,
GREYBUS_PROTOCOL_CAMERA = 0x0d,
GREYBUS_PROTOCOL_CAMERA_MGMT = 0x0d,
GREYBUS_PROTOCOL_SENSOR = 0x0e,
GREYBUS_PROTOCOL_LIGHTS = 0x0f,
GREYBUS_PROTOCOL_VIBRATOR = 0x10,
@ -44,6 +44,7 @@ enum greybus_protocol {
GREYBUS_PROTOCOL_AUDIO_DATA = 0x13,
GREYBUS_PROTOCOL_SVC = 0x14,
GREYBUS_PROTOCOL_FIRMWARE = 0x15,
GREYBUS_PROTOCOL_CAMERA_DATA = 0x16,
/* ... */
GREYBUS_PROTOCOL_RAW = 0xfe,
GREYBUS_PROTOCOL_VENDOR = 0xff,

71
drivers/staging/greybus/greybus_protocols.h
View File

@ -1100,6 +1100,77 @@ struct gb_sdio_event_request {
#define GB_SDIO_WP 0x04
} __packed;
/* Camera */
#define GB_CAMERA_VERSION_MAJOR 0x00
#define GB_CAMERA_VERSION_MINOR 0x01
/* Greybus Camera request types */
#define GB_CAMERA_TYPE_CAPABILITIES 0x02
#define GB_CAMERA_TYPE_CONFIGURE_STREAMS 0x03
#define GB_CAMERA_TYPE_CAPTURE 0x04
#define GB_CAMERA_TYPE_FLUSH 0x05
#define GB_CAMERA_TYPE_METADATA 0x06
#define GB_CAMERA_MAX_STREAMS 4
#define GB_CAMERA_MAX_SETTINGS_SIZE 8192
/* Greybus Camera Configure Streams request payload */
struct gb_camera_stream_config_request {
__le16 width;
__le16 height;
__le16 format;
__le16 padding;
} __packed;
struct gb_camera_configure_streams_request {
__le16 num_streams;
__le16 padding;
struct gb_camera_stream_config_request config[0];
} __packed;
/* Greybus Camera Configure Streams response payload */
struct gb_camera_stream_config_response {
__le16 width;
__le16 height;
__le16 format;
__u8 virtual_channel;
__u8 data_type[2];
__u8 padding[3];
__le32 max_size;
} __packed;
struct gb_camera_configure_streams_response {
__le16 num_streams;
#define GB_CAMERA_CONFIGURE_STREAMS_ADJUSTED 0x01
u8 flags;
u8 padding;
struct gb_camera_stream_config_response config[0];
} __packed;
/* Greybus Camera Capture request payload - response has no payload */
struct gb_camera_capture_request {
__le32 request_id;
u8 streams;
u8 padding;
__le16 num_frames;
u8 settings[0];
} __packed;
/* Greybus Camera Flush response payload - request has no payload */
struct gb_camera_flush_response {
__le32 request_id;
} __packed;
/* Greybus Camera Metadata request payload - operation has no response */
struct gb_camera_metadata_request {
__le32 request_id;
__le16 frame_number;
__u8 stream;
__u8 padding;
u8 metadata[0];
} __packed;
/* Lights */
#define GB_LIGHTS_VERSION_MAJOR 0x00