Visible to Intel only — GUID: tdb1685960110623
Ixiasoft
Visible to Intel only — GUID: tdb1685960110623
Ixiasoft
47.5. Video Frame Reader IP Software API
Register definition header file: intel_vvp_vfr_regs.h
Include file: intel_vvp_vfr.h
Name | Description |
---|---|
intel_vvp_vfr_init | Initialize the Frame Reader instance |
intel_vvp_core_* | Accessors defined in Video and Vision Processing IPs Software Programming Model . Writable when Lite is on. Readable when Lite is off and Debug features is on. |
intel_vvp_vfr_get_lite_mode | Returns if Lite mode is on |
intel_vvp_vfr_get_debug_enabled | Returns if Debug features is on |
intel_vvp_vfr_get_max_height | Returns the maximum supported height |
intel_vvp_vfr_get_max_width | Returns the maximum supported width |
intel_vvp_vfr_get_max_buffer_sets | Returns the maximum number of supported buffer sets |
intel_vvp_vfr_get_bps | Returns the number of bits per color sample |
intel_vvp_vfr_get_number_of_color_planes | Returns the number of color planes per pixel |
intel_vvp_vfr_get_pixels_in_parallel | Returns the number of pixels streamed in parallel |
intel_vvp_vfr_get_mem_word_packing | Returns the algorithm used for pixel packing in memory |
intel_vvp_vfr_is_running | Returns if the IP is currently processing video data |
intel_vvp_vfr_get_commit_status | Returns if there are uncommitted writes |
intel_vvp_vfr_get_status | Reads the status register |
intel_vvp_vfr_get_last_buffer_read_addr | Returns the memory address of the last buffer read |
intel_vvp_vfr_set_num_buffer_sets | Changes the number of buffer sets in use |
intel_vvp_vfr_get_num_buffer_sets | Returns the number of buffer sets in use |
intel_vvp_vfr_set_buffer_mode | Changes the use mode of buffer sets |
intel_vvp_vfr_get_buffer_mode | Returns the use mode of buffer sets |
intel_vvp_vfr_set_starting_buffer_set | Changes the initial buffer set |
intel_vvp_vfr_get_starting_buffer_set | Returns the initial buffer set |
intel_vvp_vfr_set_run_mode | Changes the run mode |
intel_vvp_vfr_get_run_mode | Returns the run mode |
intel_vvp_vfr_set_fsync_mode | Changes the field synchronization trigger |
intel_vvp_vfr_get_fsync_mode | Returns the field synchronization trigger |
intel_vvp_vfr_set_bufset_num_buffers | Sets the number of buffers in a set |
intel_vvp_vfr_get_bufset_num_buffers | Returns the number of buffers in a set |
intel_vvp_vfr_set_bufset_inter_buffer_offset | Sets the size of the buffers in a set |
intel_vvp_vfr_get_bufset_inter_buffer_offset | Returns the size of the buffers in a set |
intel_vvp_vfr_set_bufset_inter_line_offset | Sets the size allocated for a field line in a set |
intel_vvp_vfr_get_bufset_inter_line_offset | Returns the size allocated for a field line in a set |
intel_vvp_vfr_set_bufset_height | Sets the height of fields in a set |
intel_vvp_vfr_get_bufset_height | Returns the height of fields in a set |
intel_vvp_vfr_set_bufset_width | Sets the width of fields in a set |
intel_vvp_vfr_get_bufset_width | Returns the width of fields in a set |
intel_vvp_vfr_set_bufset_interlace | Sets the interlace nibble of the first field in a set |
intel_vvp_vfr_get_bufset_interlace | Returns the interlace nibble of the first field in a set |
intel_vvp_vfr_set_bufset_colorspace | Sets the colorspace of fields in a set |
intel_vvp_vfr_get_bufset_colorspace | Returns the colorspace of fields in a set |
intel_vvp_vfr_set_bufset_subsampling | Sets the subsampling of fields in a set |
intel_vvp_vfr_get_bufset_subsampling | Returns the subsampling of fields in a set |
intel_vvp_vfr_set_bufset_cositing | Sets the cositing of fields in a set |
intel_vvp_vfr_get_bufset_cositing | Returns the cositing of fields in a set |
intel_vvp_vfr_set_bufset_bps | Sets the bps value for fields in a set |
intel_vvp_vfr_get_bufset_bps | Returns the bps value for fields in a set |
intel_vvp_vfr_set_bufset_field_count | Sets the field count value for fields in a set |
intel_vvp_vfr_get_bufset_field_count | Returns the field count value for fields in a set |
intel_vvp_vfr_commit_writes | Commit all outstanding writes |
enum eIntelVvpVfrPacking
- Members
-
kIntelVvpVfrPerfectPacking (0) - Perfect sample packing (no bits wasted)
kIntelVvpVfrColorPacking (1) - Color sample packing (color samples are not split across memory words)
kIntelVvpVfrPixelPacking (2) - Pixel packing (pixels are not split across memory words)
kIntelVvpVfrInvalidPacking (-1) - Invalid packing algorithm (used to indicate errors)
- Description
-
Enumeration for the configurable sample packing in memory algorithms
enum eIntelVvpVfrRunMode
- Members
-
kIntelVvpVfrStop (0) - Frame Reader is stopped
kIntelVvpVfrFreeRunning (1) - Frame Reader proceeds in a round-robin scheme using all buffers made available
kIntelVvpVfrFsync (2) - Frame Reader proceeds as above but waits for fsync trigger to start reading a new buffer
kIntelVvpVfrSingleShot (3) - Frame Reader reads across the buffers once
kIntelVvpVfrInvalidRunMode (-1) – Invalid value (used to indicate errors)
- Description
-
Enumeration for the various read methods
enum eIntelVvpVfrBufferMode
- Members
-
kIntelVvpVfrSingleSet (0) - A single set of buffers is used
kIntelVvpVfrAllSets (1) - All sets configured are used
kIntelVvpVfrInvalidBufferMode (-1) – Invalid value (used to indicate errors)
- Description
-
Enumeration for the usage of the sets of buffer
enum eIntelVvpVfrFsyncMode
- Members
-
kIntelVvpVfrFsyncBoth (0) - Triggers on both edges of the sync signal
kIntelVvpVfrFsyncRising (1) - Triggers on the rising edge of the sync signal
kIntelVvpVfrInvalidFsyncMode (-1) – Invalid value (used to indicate errors)
- Description
-
Enumeration for the two fsync trigger mechanisms
intel_vvp_vfr_init
- Prototype
-
int intel_vvp_vfr_init(intel_vvp_vfr_instance *instance, intel_vvp_core_base base);
- Description
-
Initializes a Frame Reader instance. The initialization stops early if the vendor ID or product ID read at the base address are not a match or if the register map version is not supported. Otherwise, the function proceeds to read and store the IP compile-time parameterization. The instance is not fully initialized and the application should not use it further if returning a non-zero error code.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
base - base address of the register map
- Returns
-
kIntelVvpCoreOk (0) in case of success, a negative error code in case of error
kIntelVvpCoreVidErr if the vendor id of the core is not the IntelFPGA vendor ID (0x6AF7).
kIntelVvpCorePidErr if the product_id does not match with the Frame Reader product ID
kIntelVvpCoreInstanceErr if the instance is a null pointer
kIntelVvpFrame ReaderRegMapVersionErr if the register map is not supported
intel_vvp_vfr_get_lite_mode
- Prototype
-
bool intel_vvp_vfr_get_lite_mode(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the LITE_MODE register. The instance must be a valid intel_vvp_vfr_instance fully initialized
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
true if the IP is parameterized in lite mode
intel_vvp_vfr_get_debug_enabled
- Prototype
-
bool intel_vvp_vfr_get_debug_enabled(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the DEBUG_ENABLED register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
true if the IP is parameterized with debug features enabled
intel_vvp_vfr_get_max_height
- Prototype
-
uint32_t intel_vvp_vfr_get_max_height(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the MAX_HEIGHT register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
The maximum supported height set at configuration
intel_vvp_vfr_get_max_width
- Prototype
-
uint32_t intel_vvp_vfr_get_max_width(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the MAX_WIDTH register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
The maximum supported width set at configuration
intel_vvp_vfr_get_max_buffer_sets
- Prototype
-
eIntelVvpDilAlgorithms intel_vvp_vfr_get_max_buffer_sets(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the MAX_BUFFER_SETS register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
The maximum nuber of sets of buffers configurable
intel_vvp_vfr_get_bps
- Prototype
-
uint8_t intel_vvp_vfr_get_bps(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the BPS register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
the number of bits per color sample selected at configuration
intel_vvp_vfr_get_number_of_color_planes
- Prototype
-
uint8_t intel_vvp_vfr_get_number_of_color_planes(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the NUMBER_OF_COLOR_PLANES register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
the number of color planes per pixel selected at configuration
intel_vvp_vfr_get_pixels_in_parallel
- Prototype
-
uint8_t intel_vvp_vfr_get_pixels_in_parallel(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the PIXELS_IN_PARALLEL register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
the number of pixels streamed in parallel selected at configuration
intel_vvp_vfr_get_mem_word_packing
- Prototype
-
eIntelVvpVfrPacking intel_vvp_vfr_get_mem_word_packing(intel_vvp_vfr_instance *instance);
- Description
-
Returns the value of the WORD_PACKING register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
the algorithm used to pack/unpack pixels and color samples of a field in memory
intel_vvp_vfr_is_running
- Prototype
-
bool intel_vvp_vfr_is_running(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the running bit of the STATUS register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
True is the IP is currently reading a field, false when between two output fields
intel_vvp_vfr_get_commit_status
- Prototype
-
bool intel_vvp_vfr_get_commit_status(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the commit status bit of the STATUS register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
True is there are uncommitted writes
intel_vvp_vfr_get_status
- Prototype
-
uint32_t intel_vvp_vfr_get_status(intel_vvp_vfr_instance* instance);
- Description
-
Reads the STATUS register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
The content of the STATUS register
intel_vvp_vfr_get_last_buffer_read_addr
- Prototype
-
uint32_t intel_vvp_vfr_get_last_buffer_read_addr(intel_vvp_vfr_instance* instance);
- Description
-
Reads the LAST_BUFFER_READ register. The instance must be a valid intel_vvp_vfr_instance fully initialized.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
The memory address of the last buffer read
intel_vvp_vfr_set_num_buffer_sets
- Prototype
-
int intel_vvp_vfr_set_num_buffer_sets(intel_vvp_vfr_instance *instance, uint8_t num_sets);
- Description
-
Writes a new value to the NUM_BUFFER_SETS register and changes the number of active buffer sets
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
num_sets - new number of buffer sets in the range [1..MAX_NUM_BUFFER_SETS]
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid or the new number of buffer sets is invalid/unsupported
intel_vvp_vfr_get_num_buffer_sets
- Prototype
-
uint8_t intel_vvp_vfr_get_num_buffer_sets(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the number of buffer sets in use. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
Last value written to the NUM_BUFFER_SETS register if the IP is configured to enable register read-back
intel_vvp_vfr_set_buffer_mode
- Prototype
-
int intel_vvp_vfr_set_buffer_mode(intel_vvp_vfr_instance *instance, eIntelVvpVfrBufferMode buffer_mode);
- Description
-
Writes a new value to the BUFFER_MODE register and selects if the IP uses a single set or all configured sets
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
buffer_mode - either kIntelVvpVfrSingleSet or kIntelVvpVfrAllSets
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid or the buffer_mode argument is invalid
intel_vvp_vfr_get_buffer_mode
- Prototype
-
eIntelVvpVfrBufferMode intel_vvp_vfr_get_buffer_mode(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the current value of the BUFFER_MODE register. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
Last value written to the BUFFER_MODE register if the IP is configured to enable register read-back
intel_vvp_vfr_set_starting_buffer_set
- Prototype
-
int intel_vvp_vfr_set_starting_buffer_set(intel_vvp_vfr_instance *instance, uint8_t starting_buffer_set);
- Description
-
Writes a new value to the STARTING_BUFFER_SET register and selects the first active buffer set when a read starts
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
starting_buffer_set - the new active set if buffer_mode is kIntelVvpVfrSingleSet or the starting buffer set if buffer_mode is kIntelVvpVfrAllSets, this should be in the range [0..num_buffer_sets - 1]
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_starting_buffer_set
- Prototype
-
uint8_t intel_vvp_vfr_get_starting_buffer_set(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the current value of the STARTING_BUFFER_SET register. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
Last value written to the STARTING_BUFFER_SET register if the IP is configured to enable register read-back
intel_vvp_vfr_set_run_mode
- Prototype
-
int intel_vvp_vfr_set_run_mode(intel_vvp_vfr_instance *instance, eIntelVvpVfrRunMode run_mode);
- Description
-
Writes a new value to the RUN_MODE register and chooses the read selection process used while outputting buffers. Note that the chosen STARTING_BUFFER_SET and BUFFER_MODE also have an impact on the run-time read behavior. Writes to the RUN_MODE register take effect after commit.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
run_mode - the new run_mode
kIntelVvpVfrStop to stop the frame reader until another run-mode is selected
kIntelVvpVfrFreeRunning to process through the buffer sets and the buffers within the buffer sets in a round-robin fashion
kIntelVvpVfrFsync to process through the buffers in the same order as in free-running mode but using the fsync signal to trigger each buffer read
kIntelVvpVfrSingleShot to process through the buffers in the same order as in free-running mode but stopping once all buffers have been read and output once
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_run_mode
- Prototype
-
eIntelVvpVfrRunMode intel_vvp_vfr_get_run_mode(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the current value of the RUN_MODE register. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
Last value written to the RUN_MODE register if the IP is configured to enable register read-back
intel_vvp_vfr_set_fsync_mode
- Prototype
-
int intel_vvp_vfr_set_fsync_mode(intel_vvp_vfr_instance *instance, eIntelVvpVfrFsyncMode sync_mode);
- Description
-
Writes a new value to the FSYNC_PULSE_MODE register and selects the first active buffer set when a read starts
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
sync_mode - the new fsync trigger mechanism, kIntelVvpVfrFsyncRising to trigger the next field read on a rising fsync edge, kIntelVvpVfrFsyncBoth to trigger on either edge
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_fsync_mode
- Prototype
-
eIntelVvpVfrFsyncMode intel_vvp_vfr_get_fsync_mode(intel_vvp_vfr_instance* instance);
- Description
-
Reads and returns the current value of the FSYNC_PULSE_MODE register. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
Last value written to the FSYNC_PULSE_MODE register if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_base_addr
- Prototype
-
int intel_vvp_vfr_set_bufset_base_addr(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t base_addr);
- Description
-
Writes a new value to the BUFSET_BASE_ADDR register of the chosen buffer set and selects a new base address for the first buffer of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
base_addr - the base address for the first buffer of the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_base_addr
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_base_addr(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_BASE_ADDR register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_BASE_ADDR register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_num_buffers
- Prototype
-
int intel_vvp_vfr_set_bufset_num_buffers(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t num_buffers);
- Description
-
Writes a new value to the BUFSET_NUM_BUFFERS register of the chosen buffer set and selects a new number of buffers in the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
num_buffers - new number of buffers
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_num_buffers
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_num_buffers(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_NUM_BUFFERS register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_NUM_BUFFERS register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_inter_buffer_offset
- Prototype
-
int intel_vvp_vfr_set_bufset_inter_buffer_offset(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t inter_buffer_offset);
- Description
-
Writes a new value to the BUFSET_INTER_BUFFER_OFFSET register of the chosen buffer set and selects a new inter-buffer offset for the buffers of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
inter_buffer_offset - the offset, in bytes, between two buffers in the set, or, in other words, the number of bytes allocated to each buffer in the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_inter_buffer_offset
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_inter_buffer_offset(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_INTER_BUFFER_OFFSET register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_INTER_BUFFER_OFFSET register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_inter_line_offset
- Prototype
-
int intel_vvp_vfr_set_bufset_inter_line_offset(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t inter_line_offset);
- Description
-
Writes a new value to the INTER_LINE_OFFSET register of the chosen buffer set and selects a new inter-line offset for the buffers of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
inter_line_offset - the offset, in bytes, between consecutive lines
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_inter_line_offset
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_inter_line_offset(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the INTER_LINE_OFFSET register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the INTER_LINE_OFFSET register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_height
- Prototype
-
int intel_vvp_vfr_set_bufset_height(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t height);
- Description
-
Writes a new value to the BUFSET_HEIGHT register of the chosen buffer set and selects a new field height for the buffers of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
height - the new field height for the buffers of the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_height
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_height(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_HEIGHT register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_HEIGHT register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_width
- Prototype
-
int intel_vvp_vfr_set_bufset_width(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t width);
- Description
-
Writes a new value to the BUFSET_WIDTH register of the chosen buffer set and selects a new width for the buffers of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
width - the new width for the buffers of the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_width
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_width(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_WIDTH register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_WIDTH register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_interlace
- Prototype
-
int intel_vvp_vfr_set_bufset_interlace(intel_vvp_vfr_instance *instance, uint8_t bufset, uint32_t interlace);
- Description
-
Writes a new value to the BUFSET_INTERLAC register of the chosen buffer set and selects a new interlace nubble for the first buffer of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
interlace - the interlace nibble for the first field in the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_interlace
- Prototype
-
uint32_t intel_vvp_vfr_get_bufset_interlace(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_INTERLAC register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_INTERLAC register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_colorspace
- Prototype
-
int intel_vvp_vfr_set_bufset_colorspace(intel_vvp_vfr_instance *instance, uint8_t bufset, uint8_t colorspace);
- Description
-
Writes a new value to the BUFSET_COLORSPACE register of the chosen buffer set and selects a new colorspace for the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
colorspace - the new colorspace code for the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_colorspace
- Prototype
-
uint8_t intel_vvp_vfr_get_bufset_colorspace(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_COLORSPACE register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_COLORSPACE register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_subsampling
- Prototype
-
int intel_vvp_vfr_set_bufset_subsampling(intel_vvp_vfr_instance *instance, uint8_t bufset, uint8_t subsampling);
- Description
-
Writes a new value to the BUFSET_SUBSAMPLING register of the chosen buffer set and selects a new subsampling for the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
subsampling - the new subsampling code for the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_subsampling
- Prototype
-
uint8_t intel_vvp_vfr_get_bufset_subsampling(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_SUBSAMPLING register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_SUBSAMPLING register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_cositing
- Prototype
-
int intel_vvp_vfr_set_bufset_cositing(intel_vvp_vfr_instance *instance, uint8_t bufset, uint8_t cositing);
- Description
-
Writes a new value to the BUFSET_COSITING register of the chosen buffer set and selects a new cositing for the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
cositing - the new cositing code for the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_cositing
- Prototype
-
uint8_t intel_vvp_vfr_get_bufset_cositing(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_COSITING register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_COSITING register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_bps
- Prototype
-
int intel_vvp_vfr_set_bufset_bps(intel_vvp_vfr_instance *instance, uint8_t bufset, uint8_t bps);
- Description
-
Writes a new value to the BUFSET_BPS register of the chosen buffer set and selects a new bits per sample value for the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
bps - the new bits per sample value for the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_bps
- Prototype
-
uint8_t intel_vvp_vfr_get_bufset_bps(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_BPS register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_BPS register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_set_bufset_field_count
- Prototype
-
int intel_vvp_vfr_set_bufset_field_count(intel_vvp_vfr_instance *instance, uint8_t bufset, uint16_t field_count);
- Description
-
Writes a new value to the BUFSET_FIELD_COUNT register of the chosen buffer set and selects a new field_count value for the first buffer of the set
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
field_count - the new field_count value for the first buffer of the set
- Returns
-
kIntelVvpCoreOk for success, negative error code in case of failures
kIntelVvpCoreInstanceErr if the instance is invalid
intel_vvp_vfr_get_bufset_field_count
- Prototype
-
uint16_t intel_vvp_vfr_get_bufset_field_count(intel_vvp_vfr_instance* instance, uint8_t bufset);
- Description
-
Reads and returns the current value of the BUFSET_FIELD_COUNT register for the selected buffer set. The instance must be a valid intel_vvp_vfr_instance fully initialized and configured to enable debug.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
bufset - the buffer set ID in the range [0..MAX_BUFFER_SETS]
- Returns
-
Last value written to the BUFSET_FIELD_COUNT register for the selected buffer set if the IP is configured to enable register read-back
intel_vvp_vfr_commit_writes
- Prototype
-
int intel_vvp_vfr_commit_writes(intel_vvp_vfr_instance* instance)
- Description
-
Commits all pending writes before processing the next field. The instance must be valid.
- Arguments
-
instance - pointer to the intel_vvp_vfr_instance software driver instance structure
- Returns
-
kIntelVvpCoreOk (0) for success, negative error code otherwise