ipa: raspberrypi: Rename md_parser.cpp to md_parser_smia.cpp

The file implements the MdParserSmia class, so change the file name to reflect
this.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 0 insertions, 102 deletions

diff --git a/src/ipa/raspberrypi/md_parser.cpp b/src/ipa/raspberrypi/md_parser.cpp
deleted file mode 100644
index 852a1d34..00000000
--- a/src/ipa/raspberrypi/md_parser.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * md_parser.cpp - image sensor metadata parsers
- */
-
-#include <assert.h>
-#include <map>
-#include <string.h>
-
-#include "md_parser.hpp"
-
-using namespace RPiController;
-
-// This function goes through the embedded data to find the offsets (not
-// values!), in the data block, where the values of the given registers can
-// subsequently be found.
-
-// Embedded data tag bytes, from Sony IMX219 datasheet but general to all SMIA
-// sensors, I think.
-
-#define LINE_START 0x0a
-#define LINE_END_TAG 0x07
-#define REG_HI_BITS 0xaa
-#define REG_LOW_BITS 0xa5
-#define REG_VALUE 0x5a
-#define REG_SKIP 0x55
-
-MdParserSmia::ParseStatus MdParserSmia::findRegs(libcamera::Span<const uint8_t> buffer,
-						 uint32_t regs[], int offsets[],
-						 unsigned int num_regs)
-{
-	assert(num_regs > 0);
-
-	if (buffer[0] != LINE_START)
-		return NO_LINE_START;
-
-	unsigned int current_offset = 1; // after the LINE_START
-	unsigned int current_line_start = 0, current_line = 0;
-	unsigned int reg_num = 0, first_reg = 0;
-	ParseStatus retcode = PARSE_OK;
-	while (1) {
-		int tag = buffer[current_offset++];
-		if ((bits_per_pixel_ == 10 &&
-		     (current_offset + 1 - current_line_start) % 5 == 0) ||
-		    (bits_per_pixel_ == 12 &&
-		     (current_offset + 1 - current_line_start) % 3 == 0)) {
-			if (buffer[current_offset++] != REG_SKIP)
-				return BAD_DUMMY;
-		}
-		int data_byte = buffer[current_offset++];
-		//printf("Offset %u, tag 0x%02x data_byte 0x%02x\n", current_offset-1, tag, data_byte);
-		if (tag == LINE_END_TAG) {
-			if (data_byte != LINE_END_TAG)
-				return BAD_LINE_END;
-			if (num_lines_ && ++current_line == num_lines_)
-				return MISSING_REGS;
-			if (line_length_bytes_) {
-				current_offset =
-					current_line_start + line_length_bytes_;
-				// Require whole line to be in the buffer (if buffer size set).
-				if (buffer.size() &&
-				    current_offset + line_length_bytes_ >
-					    buffer.size())
-					return MISSING_REGS;
-				if (buffer[current_offset] != LINE_START)
-					return NO_LINE_START;
-			} else {
-				// allow a zero line length to mean "hunt for the next line"
-				while (buffer[current_offset] != LINE_START &&
-				       current_offset < buffer.size())
-					current_offset++;
-				if (current_offset == buffer.size())
-					return NO_LINE_START;
-			}
-			// inc current_offset to after LINE_START
-			current_line_start =
-				current_offset++;
-		} else {
-			if (tag == REG_HI_BITS)
-				reg_num = (reg_num & 0xff) | (data_byte << 8);
-			else if (tag == REG_LOW_BITS)
-				reg_num = (reg_num & 0xff00) | data_byte;
-			else if (tag == REG_SKIP)
-				reg_num++;
-			else if (tag == REG_VALUE) {
-				while (reg_num >=
-				       // assumes registers are in order...
-				       regs[first_reg]) {
-					if (reg_num == regs[first_reg])
-						offsets[first_reg] =
-							current_offset - 1;
-					if (++first_reg == num_regs)
-						return retcode;
-				}
-				reg_num++;
-			} else
-				return ILLEGAL_TAG;
-		}
-	}
-}