1 files changed, 0 insertions, 149 deletions
diff --git a/src/ipa/raspberrypi/md_parser_smia.cpp b/src/ipa/raspberrypi/md_parser_smia.cpp
deleted file mode 100644
index ea5eac41..00000000
--- a/src/ipa/raspberrypi/md_parser_smia.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
- *
- * md_parser_smia.cpp - SMIA specification based embedded data parser
- */
-
-#include <libcamera/base/log.h>
-#include "md_parser.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-/*
- * 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.
- */
-
-constexpr unsigned int LINE_START = 0x0a;
-constexpr unsigned int LINE_END_TAG = 0x07;
-constexpr unsigned int REG_HI_BITS = 0xaa;
-constexpr unsigned int REG_LOW_BITS = 0xa5;
-constexpr unsigned int REG_VALUE = 0x5a;
-constexpr unsigned int REG_SKIP = 0x55;
-
-MdParserSmia::MdParserSmia(std::initializer_list<uint32_t> registerList)
-{
-	for (auto r : registerList)
-		offsets_[r] = {};
-}
-
-MdParser::Status MdParserSmia::Parse(libcamera::Span<const uint8_t> buffer,
-				     RegisterMap &registers)
-{
-	if (reset_) {
-		/*
-		 * Search again through the metadata for all the registers
-		 * requested.
-		 */
-		ASSERT(bits_per_pixel_);
-
-		for (const auto &kv : offsets_)
-			offsets_[kv.first] = {};
-
-		ParseStatus ret = findRegs(buffer);
-		/*
-		 * > 0 means "worked partially but parse again next time",
-		 * < 0 means "hard error".
-		 *
-		 * In either case, we retry parsing on the next frame.
-		 */
-		if (ret != PARSE_OK)
-			return ERROR;
-
-		reset_ = false;
-	}
-
-	/* Populate the register values requested. */
-	registers.clear();
-	for (const auto &[reg, offset] : offsets_) {
-		if (!offset) {
-			reset_ = true;
-			return NOTFOUND;
-		}
-		registers[reg] = buffer[offset.value()];
-	}
-
-	return OK;
-}
-
-MdParserSmia::ParseStatus MdParserSmia::findRegs(libcamera::Span<const uint8_t> buffer)
-{
-	ASSERT(offsets_.size());
-
-	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, regs_done = 0;
-
-	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++];
-
-		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 (current_offset < buffer.size() &&
-				       buffer[current_offset] != LINE_START)
-					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) {
-				auto reg = offsets_.find(reg_num);
-
-				if (reg != offsets_.end()) {
-					offsets_[reg_num] = current_offset - 1;
-
-					if (++regs_done == offsets_.size())
-						return PARSE_OK;
-				}
-				reg_num++;
-			} else
-				return ILLEGAL_TAG;
-		}
-	}
-}