init libxcam source code
diff --git a/xcore/libtbd.h b/xcore/libtbd.h
new file mode 100644
index 0000000..9df7799
--- /dev/null
+++ b/xcore/libtbd.h
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+/*
+** Copyright 2012-2013 Intel Corporation
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+/*
+ * \file libtbd.h
+ * \brief Tagged Binary Data handling
+ */
+
+#ifndef __LIBTBD_H__
+#define __LIBTBD_H__
+
+#include <stddef.h> /* defines size_t */
+#include <stdint.h> /* defines integer types with specified widths */
+#include <stdio.h> /* defines FILE */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*!
+ * Revision of TBD System, format 0xYYMMDDVV, where:
+ * - YY: year,
+ * - MM: month,
+ * - DD: day,
+ * - VV: version ('01','02' etc.)
+ */
+#define IA_TBD_VERSION 0x12032201
+
+/*!
+ * Revision of TBD data set, format 0xYYMMDDVV, where:
+ * - YY: year,
+ * - MM: month,
+ * - DD: day,
+ * - VV: version ('01','02' etc.)
+ */
+#define IA_TBD_REVISION 0x13091001
+
+/*!
+* \brief Error codes for libtbd.
+*/
+typedef enum
+{
+ tbd_err_none = 0 , /*!< No errors */
+ tbd_err_general = (1 << 1), /*!< General error */
+ tbd_err_nomemory = (1 << 2), /*!< Out of memory */
+ tbd_err_data = (1 << 3), /*!< Corrupted data */
+ tbd_err_internal = (1 << 4), /*!< Error in code */
+ tbd_err_argument = (1 << 5) /*!< Invalid argument for a function */
+} tbd_error_t;
+
+/*!
+ * \brief Header structure for TBD container, followed by actual records.
+ */
+typedef struct
+{
+ uint32_t tag; /*!< Tag identifier, also checks endianness */
+ uint32_t size; /*!< Container size including this header */
+ uint32_t version; /*!< Version of TBD system, format 0xYYMMDDVV */
+ uint32_t revision; /*!< Revision of TBD data set, format 0xYYMMDDVV */
+ uint32_t config_bits; /*!< Configuration flag bits set */
+ uint32_t checksum; /*!< Global checksum, header included */
+} tbd_header_t;
+
+/*!
+ * \brief Tag identifiers used in TBD container header.
+ */
+#define CHTOU32(a,b,c,d) ((uint32_t)(a)|((uint32_t)(b)<<8)|((uint32_t)(c)<<16)|((uint32_t)(d)<<24))
+typedef enum
+{
+ tbd_tag_cpff = CHTOU32('C','P','F','F'), /*!< CPF File */
+ tbd_tag_aiqb = CHTOU32('A','I','Q','B'), /*!< AIQ configuration */
+ tbd_tag_aiqd = CHTOU32('A','I','Q','D'), /*!< AIQ data */
+ tbd_tag_halb = CHTOU32('H','A','L','B'), /*!< CameraHAL configuration */
+ tbd_tag_drvb = CHTOU32('D','R','V','B') /*!< Sensor driver configuration */
+} tbd_tag_t;
+
+/*!
+ * \brief Record structure. Data is located right after this header.
+ */
+typedef struct
+{
+ uint32_t size; /*!< Size of record including header */
+ uint8_t format_id; /*!< tbd_format_t enumeration values used */
+ uint8_t packing_key; /*!< Packing method; 0 = no packing */
+ uint16_t class_id; /*!< tbd_class_t enumeration values used */
+} tbd_record_header_t;
+
+/*!
+ * \brief Format ID enumeration describes the data format of the record.
+ */
+typedef enum
+{
+ tbd_format_any = 0, /*!< Unspecified format */
+ tbd_format_custom, /*!< User specified format */
+ tbd_format_container /*!< Record is actually another TBD container */
+} tbd_format_t;
+
+/*!
+ * \brief Class ID enumeration describes the data class of the record.
+ */
+typedef enum
+{
+ tbd_class_any = 0, /*!< Unspecified record class */
+ tbd_class_aiq, /*!< Used for AIC and 3A records */
+ tbd_class_drv, /*!< Used for driver records */
+ tbd_class_hal /*!< Used for HAL records */
+} tbd_class_t;
+
+/*!
+ * \brief Creates a new Tagged Binary Data container.
+ * Creates a new, empty Tagged Binary Data container with the tag
+ * that was given. Also updates the checksum and size accordingly.
+ * Note that the buffer size must be large enough for the header
+ * to fit in, the exact amount being 24 bytes (for tbd_header_t).
+ * @param[in] a_data_ptr Pointer to modifiable container buffer
+ * @param[in] a_data_size Size of the container buffer
+ * @param[in] a_tag Tag the container shall have
+ * @param[out] a_new_size Updated container size
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_create(void *a_data_ptr,
+ size_t a_data_size,
+ tbd_tag_t a_tag,
+ size_t *a_new_size);
+
+/*!
+ * \brief Checks if Tagged Binary Data is valid. All tags are accepted.
+ * Performs number of checks to given Tagged Binary Data container,
+ * including the verification of the checksum. The function does not
+ * care about the tag type of the container.
+ * @param[in] a_data_ptr Pointer to container buffer
+ * @param[in] a_data_size Size of the container buffer
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_validate_anytag(void *a_data_ptr,
+ size_t a_data_size);
+
+/*!
+ * \brief Checks if Tagged Binary Data is valid, and tagged properly.
+ * Performs number of checks to given Tagged Binary Data container,
+ * including the verification of the checksum. Also, the data must have
+ * been tagged properly. The tag is further used to check endianness,
+ * and if it seems wrong, a specific debug message is printed out.
+ * @param[in] a_data_ptr Pointer to container buffer
+ * @param[in] a_data_size Size of the container buffer
+ * @param[in] a_tag Tag the data must have
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_validate(void *a_data_ptr,
+ size_t a_data_size,
+ tbd_tag_t a_tag);
+
+/*!
+ * \brief Finds a record of given kind from within the container.
+ * Checks if a given kind of record exists in the Tagged Binary Data,
+ * and if yes, tells the location of such record as well as its size.
+ * If there are multiple records that match the query, the indicated
+ * record is the first one.
+ * @param[in] a_data_ptr Pointer to container buffer
+ * @param[in] a_record_class Class the record must have
+ * @param[in] a_record_format Format the record must have
+ * @param[out] a_record_data Record data (or NULL if not found)
+ * @param[out] a_record_size Record size (or 0 if not found)
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_get_record(void *a_data_ptr,
+ tbd_class_t a_record_class,
+ tbd_format_t a_record_format,
+ void **a_record_data,
+ size_t *a_record_size);
+
+/*!
+ * \brief Updates the Tagged Binary Data with the given record inserted.
+ * The given record is inserted into the Tagged Binary Data container
+ * that must exist already. New records are always added to the end,
+ * regardless if a record with the same class and format field already
+ * exists in the data. Also updates the checksum and size accordingly.
+ * Note that the buffer size must be large enough for the inserted
+ * record to fit in, the exact amount being the size of original
+ * Tagged Binary Data container plus the size of record data to be
+ * inserted plus 8 bytes (for tbd_record_header_t).
+ * @param[in] a_data_ptr Pointer to modifiable container buffer
+ * @param[in] a_data_size Size of buffer (surplus included)
+ * @param[in] a_record_class Class the record shall have
+ * @param[in] a_record_format Format the record shall have
+ * @param[in] a_record_data Record data
+ * @param[in] a_record_size Record size
+ * @param[out] a_new_size Updated container size
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_insert_record(void *a_data_ptr,
+ size_t a_data_size,
+ tbd_class_t a_record_class,
+ tbd_format_t a_record_format,
+ void *a_record_data,
+ size_t a_record_size,
+ size_t *a_new_size);
+
+/*!
+ * \brief Updates the Tagged Binary Data with the given record removed.
+ * The indicated record is removed from the Tagged Binary Data, after
+ * which the checksum and size are updated accordingly. If there are
+ * multiple records that match the class and format, only the first
+ * instance is removed. If no record is found, nothing will be done.
+ * Note that the resulting Tagged Binary Data container will
+ * be smaller than the original, but it does not harm to store the
+ * resulting container in its original length, either.
+ * @param[in] a_data_ptr Pointer to modifiable container buffer
+ * @param[in] a_record_class Class the record should have
+ * @param[in] a_record_format Format the record should have
+ * @param[out] a_new_size Updated container size
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_remove_record(void *a_data_ptr,
+ tbd_class_t a_record_class,
+ tbd_format_t a_record_format,
+ size_t *a_new_size);
+
+/*!
+ * \brief Writes all possible information about the Tagged Binary Data.
+ * Validates the Tagged Binary data container and generates a human
+ * readable detailed report on the content, including information about
+ * the records contained.
+ * @param[in] a_data_ptr Pointer to container buffer
+ * @param[in] a_data_size Size of the container buffer
+ * @param[in] a_outfile Pointer to open file (may be stdout)
+ * @return Return code indicating possible errors
+ */
+tbd_error_t tbd_infoprint(void *a_data_ptr,
+ size_t a_data_size,
+ FILE *a_outfile);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LIBTBD_H__ */