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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2024, Ideas On Board
*
* RkISP1 ISP Parameters
*/
#include "params.h"
#include <map>
#include <stddef.h>
#include <string.h>
#include <linux/rkisp1-config.h>
#include <linux/videodev2.h>
#include <libcamera/base/log.h>
#include <libcamera/base/utils.h>
namespace libcamera {
LOG_DEFINE_CATEGORY(RkISP1Params)
namespace ipa::rkisp1 {
namespace {
struct BlockTypeInfo {
enum rkisp1_ext_params_block_type type;
size_t size;
size_t offset;
uint32_t enableBit;
};
#define RKISP1_BLOCK_TYPE_ENTRY(block, id, type, category, bit) \
{ BlockType::block, { \
RKISP1_EXT_PARAMS_BLOCK_TYPE_##id, \
sizeof(struct rkisp1_cif_isp_##type##_config), \
offsetof(struct rkisp1_params_cfg, category.type##_config), \
RKISP1_CIF_ISP_MODULE_##bit, \
} }
#define RKISP1_BLOCK_TYPE_ENTRY_MEAS(block, id, type) \
RKISP1_BLOCK_TYPE_ENTRY(block, id##_MEAS, type, meas, id)
#define RKISP1_BLOCK_TYPE_ENTRY_OTHERS(block, id, type) \
RKISP1_BLOCK_TYPE_ENTRY(block, id, type, others, id)
#define RKISP1_BLOCK_TYPE_ENTRY_EXT(block, id, type) \
{ BlockType::block, { \
RKISP1_EXT_PARAMS_BLOCK_TYPE_##id, \
sizeof(struct rkisp1_cif_isp_##type##_config), \
0, 0, \
} }
const std::map<BlockType, BlockTypeInfo> kBlockTypeInfo = {
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Bls, BLS, bls),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Dpcc, DPCC, dpcc),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Sdg, SDG, sdg),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(AwbGain, AWB_GAIN, awb_gain),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Flt, FLT, flt),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Bdm, BDM, bdm),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Ctk, CTK, ctk),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Goc, GOC, goc),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Dpf, DPF, dpf),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(DpfStrength, DPF_STRENGTH, dpf_strength),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Cproc, CPROC, cproc),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Ie, IE, ie),
RKISP1_BLOCK_TYPE_ENTRY_OTHERS(Lsc, LSC, lsc),
RKISP1_BLOCK_TYPE_ENTRY_MEAS(Awb, AWB, awb_meas),
RKISP1_BLOCK_TYPE_ENTRY_MEAS(Hst, HST, hst),
RKISP1_BLOCK_TYPE_ENTRY_MEAS(Aec, AEC, aec),
RKISP1_BLOCK_TYPE_ENTRY_MEAS(Afc, AFC, afc),
RKISP1_BLOCK_TYPE_ENTRY_EXT(CompandBls, COMPAND_BLS, compand_bls),
RKISP1_BLOCK_TYPE_ENTRY_EXT(CompandExpand, COMPAND_EXPAND, compand_curve),
RKISP1_BLOCK_TYPE_ENTRY_EXT(CompandCompress, COMPAND_COMPRESS, compand_curve),
};
} /* namespace */
RkISP1ParamsBlockBase::RkISP1ParamsBlockBase(RkISP1Params *params, BlockType type,
const Span<uint8_t> &data)
: params_(params), type_(type)
{
if (params_->format() == V4L2_META_FMT_RK_ISP1_EXT_PARAMS) {
header_ = data.subspan(0, sizeof(rkisp1_ext_params_block_header));
data_ = data.subspan(sizeof(rkisp1_ext_params_block_header));
} else {
data_ = data;
}
}
void RkISP1ParamsBlockBase::setEnabled(bool enabled)
{
/*
* For the legacy fixed format, blocks are enabled in the top-level
* header. Delegate to the RkISP1Params class.
*/
if (params_->format() == V4L2_META_FMT_RK_ISP1_PARAMS)
return params_->setBlockEnabled(type_, enabled);
/*
* For the extensible format, set the enable and disable flags in the
* block header directly.
*/
struct rkisp1_ext_params_block_header *header =
reinterpret_cast<struct rkisp1_ext_params_block_header *>(header_.data());
header->flags &= ~(RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE |
RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE);
header->flags |= enabled ? RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE
: RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE;
}
RkISP1Params::RkISP1Params(uint32_t format, Span<uint8_t> data)
: format_(format), data_(data), used_(0)
{
if (format_ == V4L2_META_FMT_RK_ISP1_EXT_PARAMS) {
struct rkisp1_ext_params_cfg *cfg =
reinterpret_cast<struct rkisp1_ext_params_cfg *>(data.data());
cfg->version = RKISP1_EXT_PARAM_BUFFER_V1;
cfg->data_size = 0;
used_ += offsetof(struct rkisp1_ext_params_cfg, data);
} else {
memset(data.data(), 0, data.size());
used_ = sizeof(struct rkisp1_params_cfg);
}
}
void RkISP1Params::setBlockEnabled(BlockType type, bool enabled)
{
const BlockTypeInfo &info = kBlockTypeInfo.at(type);
struct rkisp1_params_cfg *cfg =
reinterpret_cast<struct rkisp1_params_cfg *>(data_.data());
if (enabled)
cfg->module_ens |= info.enableBit;
else
cfg->module_ens &= ~info.enableBit;
}
Span<uint8_t> RkISP1Params::block(BlockType type)
{
auto infoIt = kBlockTypeInfo.find(type);
if (infoIt == kBlockTypeInfo.end()) {
LOG(RkISP1Params, Error)
<< "Invalid parameters block type "
<< utils::to_underlying(type);
return {};
}
const BlockTypeInfo &info = infoIt->second;
/*
* For the legacy format, return a block referencing the fixed location
* of the data.
*/
if (format_ == V4L2_META_FMT_RK_ISP1_PARAMS) {
/*
* Blocks available only in extended parameters have an offset
* of 0. Return nullptr in that case.
*/
if (info.offset == 0) {
LOG(RkISP1Params, Error)
<< "Block type " << utils::to_underlying(type)
<< " unavailable in fixed parameters format";
return {};
}
struct rkisp1_params_cfg *cfg =
reinterpret_cast<struct rkisp1_params_cfg *>(data_.data());
cfg->module_cfg_update |= info.enableBit;
cfg->module_en_update |= info.enableBit;
return data_.subspan(info.offset, info.size);
}
/*
* For the extensible format, allocate memory for the block, including
* the header. Look up the block in the cache first. If an algorithm
* requests the same block type twice, it should get the same block.
*/
auto cacheIt = blocks_.find(type);
if (cacheIt != blocks_.end())
return cacheIt->second;
/* Make sure we don't run out of space. */
size_t size = sizeof(struct rkisp1_ext_params_block_header)
+ ((info.size + 7) & ~7);
if (size > data_.size() - used_) {
LOG(RkISP1Params, Error)
<< "Out of memory to allocate block type "
<< utils::to_underlying(type);
return {};
}
/* Allocate a new block, clear its memory, and initialize its header. */
Span<uint8_t> block = data_.subspan(used_, size);
used_ += size;
struct rkisp1_ext_params_cfg *cfg =
reinterpret_cast<struct rkisp1_ext_params_cfg *>(data_.data());
cfg->data_size += size;
memset(block.data(), 0, block.size());
struct rkisp1_ext_params_block_header *header =
reinterpret_cast<struct rkisp1_ext_params_block_header *>(block.data());
header->type = info.type;
header->size = block.size();
/* Update the cache. */
blocks_[type] = block;
return block;
}
} /* namespace ipa::rkisp1 */
} /* namespace libcamera */
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