src/fvid2_drvMgr.c

   1 /*
   2  *  Copyright (c) Texas Instruments Incorporated 2018
   3  *
   4  *  Redistribution and use in source and binary forms, with or without
   5  *  modification, are permitted provided that the following conditions
   6  *  are met:
   7  *
   8  *    Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  *    Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  *    Neither the name of Texas Instruments Incorporated nor the names of
  17  *    its contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /**
  34  *  \file fvid2_drvMgr.c
  35  *
  36  *  \brief FVID2 driver manager layer.
  37  *  This file implements driver management functionality.
  38  *
  39  */
  40
  41 /* ========================================================================== */
  42 /*                             Include Files                                  */
  43 /* ========================================================================== */
  44
  45 /* This is needed for vsnprintf */
  46 #include <stdio.h>
  47 #include <stdarg.h>
  48 #include <ti/drv/fvid2/include/fvid2_drvMgr.h>
  49
  50 /* ========================================================================== */
  51 /*                           Macros & Typedefs                                */
  52 /* ========================================================================== */
  53
  54 /** \brief Number of entries in FVID2 standard info table. */
  55 #define FDM_NUM_STD_INFO_ENTRIES        (sizeof (gFdmStdInfoTable) / \
  56                                          sizeof (Fvid2_ModeInfo))
  57
  58 /** \brief Number of entries in FVID2 standard info table. */
  59 #define FDM_NUM_DATA_FMT_STR_ENTRIES    (sizeof (gFdmDataFmtStrTable) / \
  60                                          sizeof (Fdm_DataFmtString))
  61
  62 /** \brief Number of entries in FVID2 standard info table. */
  63 #define FDM_NUM_STD_STR_ENTRIES         (sizeof (gFdmStdStrTable) / \
  64                                          sizeof (Fdm_StdString))
  65
  66 #if defined (FVID2_CFG_TRACE_ENABLE)
  67 #define REMOTE_DEBUG_SERVER_PRINT_BUF_LEN        (uint32_t) (1024U * 2U)
  68 #endif
  69
  70 /* ========================================================================== */
  71 /*                         Structure Declarations                             */
  72 /* ========================================================================== */
  73
  74 /**
  75  *  struct Fdm_Driver
  76  *  \brief Structure to store driver information.
  77  */
  78 typedef struct
  79 {
  80     const Fvid2_DrvOps *drvOps;
  81     /**< Driver operation table pointer. */
  82     uint32_t            numOpens;
  83     /**< Number of times the driver is opened using create API. */
  84     uint32_t            isUsed;
  85     /**< Flag indicating whether the object is used or not. */
  86 } Fdm_Driver;
  87
  88 /**
  89  *  struct Fdm_Channel
  90  *  \brief Structure to store channel information.
  91  */
  92 typedef struct
  93 {
  94     Fdm_Driver         *drv;
  95     /**< Pointer to the driver object to which this channel is created. */
  96     Fdrv_Handle         drvHandle;
  97     /**< Driver handle returned by the actual driver. */
  98     Fvid2_CbParams      cbParams;
  99     /**< Application call back parameters. */
 100     uint32_t            isUsed;
 101     /**< Flag indicating whether the object is used or not. */
 102 } Fdm_Channel;
 103
 104 /**
 105  *  struct Fdm_DataFmtString
 106  *  \brief Structure to store data format and string pair.
 107  */
 108 typedef struct
 109 {
 110     uint32_t      dataFmt;
 111     /**< Data format. Refer \ref Fvid2_DataFormat*/
 112     const char    *dataFmtStr;
 113     /**< Pointer to data format string. */
 114 } Fdm_DataFmtString;
 115
 116 /**
 117  *  struct Fdm_StdString
 118  *  \brief Structure to store standard and string pair.
 119  */
 120 typedef struct
 121 {
 122     uint32_t      standard;
 123     /**< Standard. Refer \ref Fvid2_Standard */
 124     const char    *stdStr;
 125     /**< Pointer to data format string. */
 126 } Fdm_StdString;
 127
 128 /**
 129  *  struct Fdm_Object
 130  *  \brief Struture to store all global objects.
 131  */
 132 typedef struct
 133 {
 134     char               *versionString;
 135     /**< FVID2 drivers version number as string. */
 136     uint32_t            versionNumber;
 137     /**< FVID2 drivers version number as string. */
 138     Fdm_Driver          fdmDriverObjects[FVID2_CFG_FDM_NUM_DRV_OBJS];
 139     /**< FDM Driver objects. */
 140     Fdm_Channel         fdmChannelObjects[FVID2_CFG_FDM_NUM_CH_OBJS];
 141     /**< FDM Channel objects. */
 142     SemaphoreP_Handle   lockSem;
 143     /**< Semaphore to protect function calls and other memory allocation. */
 144     SemaphoreP_Handle   printSem;
 145     /**< Semaphore to protect print buffer. */
 146 } Fdm_Object;
 147
 148 #if defined (FVID2_CFG_TRACE_ENABLE)
 149 typedef struct
 150 {
 151     uint32_t    coreId;
 152     char        printBuf[REMOTE_DEBUG_SERVER_PRINT_BUF_LEN];
 153 } RemoteDebug_ServerObj;
 154 #endif
 155
 156 /* ========================================================================== */
 157 /*                          Function Declarations                             */
 158 /* ========================================================================== */
 159 /**
 160  *  Below ifdef __cplusplus is added so that C++ build passes without
 161  *  typecasting. This is because the prototype is build as C type
 162  *  whereas this file is build as CPP file. Hence we get C++ build error.
 163  *  Also if tyecasting is used, then we get MisraC error Rule 11.1.
 164  */
 165 #ifdef __cplusplus
 166 extern "C" {
 167 #endif
 168 static int32_t fdmDriverCbFxn(void *fdmData);
 169 static int32_t fdmDriverErrCbFxn(void *fdmData, void *errList);
 170 static Fdm_Driver *fdmAllocDriverObject(void);
 171 static int32_t fdmFreeDriverObject(const Fvid2_DrvOps *drvOps);
 172 static Fdm_Channel *fdmAllocChannelObject(void);
 173 static int32_t fdmFreeChannelObject(Fdm_Channel *channel);
 174 #ifdef __cplusplus
 175 }
 176 #endif
 177
 178 /* ========================================================================== */
 179 /*                            Global Variables                                */
 180 /* ========================================================================== */
 181
 182 #if defined (FVID2_CFG_TRACE_ENABLE)
 183 static RemoteDebug_ServerObj gRemoteDebug_serverObj = {0};
 184 #endif
 185
 186 /** \brief FDM init params. */
 187 static Fvid2_InitPrms   gFdmInitPrms = {NULL};
 188
 189 /** \brief FDM objects. */
 190 static Fdm_Object        gFdmObj;
 191
 192 /** \brief FVID2 standard information table. */
 193 static Fvid2_ModeInfo    gFdmStdInfoTable[] =
 194 {
 195     /* Standard, FrameWidth, FrameHeight, ScanFormat, PixelClock (KHz), FPS */
 196     {FVID2_STD_NTSC,           720U,  480U,  FVID2_SF_INTERLACED, 27000U,   30U,
 197      0U, 0U, 0U, 0U, 0U, 0U},
 198     {FVID2_STD_PAL,            720U,  576U,  FVID2_SF_INTERLACED, 27000U,   25U,
 199      0U, 0U, 0U, 0U, 0U, 0U},
 200     {FVID2_STD_480I,           720U,  480U,  FVID2_SF_INTERLACED, 27000U,   30U,
 201      0U, 0U, 0U, 0U, 0U, 0U},
 202     {FVID2_STD_576I,           720U,  576U,  FVID2_SF_INTERLACED, 27000U,   25U,
 203      0U, 0U, 0U, 0U, 0U, 0U},
 204     {FVID2_STD_480P,           720U,  480U,  FVID2_SF_PROGRESSIVE,27000U,   60U,
 205      0U, 0U, 0U, 0U, 0U, 0U},
 206     {FVID2_STD_576P,           720U,  576U,  FVID2_SF_PROGRESSIVE,27000U,   50U,
 207      0U, 0U, 0U, 0U, 0U, 0U},
 208     {FVID2_STD_720P_60,        1280U, 720U,  FVID2_SF_PROGRESSIVE,74250U,   60U,
 209      0U, 0U, 0U, 0U, 0U, 0U},
 210     {FVID2_STD_720P_50,        1280U, 720U,  FVID2_SF_PROGRESSIVE,74250U,   50U,
 211      0U, 0U, 0U, 0U, 0U, 0U},
 212     {FVID2_STD_1080I_60,       1920U, 1080U, FVID2_SF_INTERLACED, 74250U,   30U,
 213      0U, 0U, 0U, 0U, 0U, 0U},
 214     {FVID2_STD_1080I_50,       1920U, 1080U, FVID2_SF_INTERLACED, 74250U,   25U,
 215      0U, 0U, 0U, 0U, 0U, 0U},
 216     {FVID2_STD_1080P_60,       1920U, 1080U, FVID2_SF_PROGRESSIVE,148500U,  60U,
 217      0U, 0U, 0U, 0U, 0U, 0U},
 218     {FVID2_STD_1080P_50,       1920U, 1080U, FVID2_SF_PROGRESSIVE,148500U,  50U,
 219      0U, 0U, 0U, 0U, 0U, 0U},
 220     {FVID2_STD_1080P_24,       1920U, 1080U, FVID2_SF_PROGRESSIVE,74250U,   24U,
 221      0U, 0U, 0U, 0U, 0U, 0U},
 222     {FVID2_STD_1080P_30,       1920U, 1080U, FVID2_SF_PROGRESSIVE,74250U,   30U,
 223      0U, 0U, 0U, 0U, 0U, 0U},
 224     {FVID2_STD_VGA_60,         640U,  480U,  FVID2_SF_PROGRESSIVE,25175U,   60U,
 225      0U, 0U, 0U, 0U, 0U, 0U},
 226     {FVID2_STD_VGA_72,         640U,  480U,  FVID2_SF_PROGRESSIVE,31500U,   72U,
 227      0U, 0U, 0U, 0U, 0U, 0U},
 228     {FVID2_STD_VGA_75,         640U,  480U,  FVID2_SF_PROGRESSIVE,31500U,   75U,
 229      0U, 0U, 0U, 0U, 0U, 0U},
 230     {FVID2_STD_VGA_85,         640U,  480U,  FVID2_SF_PROGRESSIVE,36000U,   85U,
 231      0U, 0U, 0U, 0U, 0U, 0U},
 232     {FVID2_STD_WVGA_60,        800U,  480U,  FVID2_SF_PROGRESSIVE,33500U,   60U,
 233      0U, 0U, 0U, 0U, 0U, 0U},
 234     {FVID2_STD_SVGA_60,        800U,  600U,  FVID2_SF_PROGRESSIVE,40000U,   60U,
 235      0U, 0U, 0U, 0U, 0U, 0U},
 236     {FVID2_STD_SVGA_72,        800U,  600U,  FVID2_SF_PROGRESSIVE,50000U,   72U,
 237      0U, 0U, 0U, 0U, 0U, 0U},
 238     {FVID2_STD_SVGA_75,        800U,  600U,  FVID2_SF_PROGRESSIVE,49500U,   75U,
 239      0U, 0U, 0U, 0U, 0U, 0U},
 240     {FVID2_STD_SVGA_85,        800U,  600U,  FVID2_SF_PROGRESSIVE,56250U,   85U,
 241      0U, 0U, 0U, 0U, 0U, 0U},
 242     {FVID2_STD_WSVGA_70,       1024U, 600U,  FVID2_SF_PROGRESSIVE,50800U,   70U,
 243      0U, 0U, 0U, 0U, 0U, 0U},
 244     {FVID2_STD_XGA_60,         1024U, 768U,  FVID2_SF_PROGRESSIVE,65000U,   60U,
 245      0U, 0U, 0U, 0U, 0U, 0U},
 246     {FVID2_STD_XGA_DSS_TDM_60, 1024U, 768U,  FVID2_SF_PROGRESSIVE,64000U,   60U,
 247      0U, 0U, 0U, 0U, 0U, 0U},
 248     {FVID2_STD_XGA_70,         1024U, 768U,  FVID2_SF_PROGRESSIVE,75000U,   70U,
 249      0U, 0U, 0U, 0U, 0U, 0U},
 250     {FVID2_STD_XGA_75,         1024U, 768U,  FVID2_SF_PROGRESSIVE,78750U,   75U,
 251      0U, 0U, 0U, 0U, 0U, 0U},
 252     {FVID2_STD_XGA_85,         1024U, 768U,  FVID2_SF_PROGRESSIVE,94500U,   85U,
 253      0U, 0U, 0U, 0U, 0U, 0U},
 254     {FVID2_STD_WXGA_30,        1280U, 800U,  FVID2_SF_PROGRESSIVE,34125U,   30U,
 255      0U, 0U, 0U, 0U, 0U, 0U},
 256     {FVID2_STD_WXGA_60,        1280U, 800U,  FVID2_SF_PROGRESSIVE,83500U,   60U,
 257      0U, 0U, 0U, 0U, 0U, 0U},
 258     {FVID2_STD_WXGA_75,        1280U, 800U,  FVID2_SF_PROGRESSIVE,102250U,  75U,
 259      0U, 0U, 0U, 0U, 0U, 0U},
 260     {FVID2_STD_WXGA_85,        1280U, 800U,  FVID2_SF_PROGRESSIVE,117500U,  85U,
 261      0U, 0U, 0U, 0U, 0U, 0U},
 262     {FVID2_STD_1440_900_60,    1440U, 900U,  FVID2_SF_PROGRESSIVE,106500U,  60U,
 263      0U, 0U, 0U, 0U, 0U, 0U},
 264     {FVID2_STD_1368_768_60,    1368U, 768U,  FVID2_SF_PROGRESSIVE,85860U,   60U,
 265      0U, 0U, 0U, 0U, 0U, 0U},
 266     {FVID2_STD_1366_768_60,    1366U, 768U,  FVID2_SF_PROGRESSIVE,85500U,   60U,
 267      0U, 0U, 0U, 0U, 0U, 0U},
 268     {FVID2_STD_1360_768_60,    1360U, 768U,  FVID2_SF_PROGRESSIVE,85500U,   60U,
 269      0U, 0U, 0U, 0U, 0U, 0U},
 270     {FVID2_STD_SXGA_60,        1280U, 1024U, FVID2_SF_PROGRESSIVE,108000U,  60U,
 271      0U, 0U, 0U, 0U, 0U, 0U},
 272     {FVID2_STD_SXGA_75,        1280U, 1024U, FVID2_SF_PROGRESSIVE,135000U,  75U,
 273      0U, 0U, 0U, 0U, 0U, 0U},
 274     {FVID2_STD_SXGA_85,        1280U, 1024U, FVID2_SF_PROGRESSIVE,157500U,  85U,
 275      0U, 0U, 0U, 0U, 0U, 0U},
 276     {FVID2_STD_WSXGAP_60,      1680U, 1050U, FVID2_SF_PROGRESSIVE,146250U,  60U,
 277      0U, 0U, 0U, 0U, 0U, 0U},
 278     {FVID2_STD_SXGAP_60,       1400U, 1050U, FVID2_SF_PROGRESSIVE,121750U,  60U,
 279      0U, 0U, 0U, 0U, 0U, 0U},
 280     {FVID2_STD_SXGAP_75,       1400U, 1050U, FVID2_SF_PROGRESSIVE,156000U,  75U,
 281      0U, 0U, 0U, 0U, 0U, 0U},
 282     {FVID2_STD_UXGA_60,        1600U, 1200U, FVID2_SF_PROGRESSIVE,162000U,  60U,
 283      0U, 0U, 0U, 0U, 0U, 0U},
 284     {FVID2_STD_WXGA_5x3_30,    1280U, 800U,  FVID2_SF_PROGRESSIVE,34125U,   30U,
 285      0U, 0U, 0U, 0U, 0U, 0U},
 286     {FVID2_STD_WXGA_5x3_60,    1280U, 800U,  FVID2_SF_PROGRESSIVE,68250U,   60U,
 287      0U, 0U, 0U, 0U, 0U, 0U},
 288     {FVID2_STD_WXGA_5x3_75,    1280U, 800U,  FVID2_SF_PROGRESSIVE,102250U,  75U,
 289      0U, 0U, 0U, 0U, 0U, 0U}
 290 };
 291
 292 /** \brief Data format string table. */
 293 static Fdm_DataFmtString gFdmDataFmtStrTable[] =
 294 {
 295     {FVID2_DF_YUV422I_UYVY,           "YUV422I_UYVY"          },
 296     {FVID2_DF_YUV422I_YUYV,           "YUV422I_YUYV"          },
 297     {FVID2_DF_YUV422I_YVYU,           "YUV422I_YVYU"          },
 298     {FVID2_DF_YUV422I_VYUY,           "YUV422I_VYUY"          },
 299     {FVID2_DF_YUV422SP_UV,            "YUV422SP_UV"           },
 300     {FVID2_DF_YUV422SP_VU,            "YUV422SP_VU"           },
 301     {FVID2_DF_YUV422P,                "YUV422P"               },
 302     {FVID2_DF_YUV420SP_UV,            "YUV420SP_UV"           },
 303     {FVID2_DF_YUV420SP_VU,            "YUV420SP_VU"           },
 304     {FVID2_DF_YUV420P,                "YUV420P"               },
 305     {FVID2_DF_YUV444P,                "YUV444P"               },
 306     {FVID2_DF_YUV444I,                "YUV444I"               },
 307     {FVID2_DF_RGB16_565,              "RGB16_565"             },
 308     {FVID2_DF_ARGB16_1555,            "ARGB16_1555"           },
 309     {FVID2_DF_RGBA16_5551,            "RGBA16_5551"           },
 310     {FVID2_DF_ARGB16_4444,            "ARGB16_4444"           },
 311     {FVID2_DF_RGBA16_4444,            "RGBA16_4444"           },
 312     {FVID2_DF_BGRX_4444,              "RGBX12_4444"           },
 313     {FVID2_DF_XBGR_4444,              "XRGB12_4444"           },
 314     {FVID2_DF_ARGB24_6666,            "ARGB24_6666"           },
 315     {FVID2_DF_RGBA24_6666,            "RGBA24_6666"           },
 316     {FVID2_DF_RGB24_888,              "RGB24_888"             },
 317     {FVID2_DF_XBGR24_8888,            "XBGR24_8888"           },
 318     {FVID2_DF_RGBX24_8888,            "RGBX24_8888"           },
 319     {FVID2_DF_BGRX24_8888,            "BGRX24_8888"           },
 320     {FVID2_DF_ARGB32_8888,            "ARGB32_8888"           },
 321     {FVID2_DF_RGBA32_8888,            "RGBA32_8888"           },
 322     {FVID2_DF_BGR16_565,              "BGR16_565"             },
 323     {FVID2_DF_ABGR16_1555,            "ABGR16_1555"           },
 324     {FVID2_DF_ABGR16_4444,            "ABGR16_4444"           },
 325     {FVID2_DF_BGRA16_5551,            "BGRA16_5551"           },
 326     {FVID2_DF_BGRA16_4444,            "BGRA16_4444"           },
 327     {FVID2_DF_AGBR16_1555,            "AGBR16_1555"           },
 328     {FVID2_DF_AGBR16_4444,            "AGBR16_4444"           },
 329     {FVID2_DF_XGBR16_1555,            "XGBR16_1555"           },
 330     {FVID2_DF_BGRX16_5551,            "BGRX16_5551"           },
 331     {FVID2_DF_ABGR24_6666,            "ABGR24_6666"           },
 332     {FVID2_DF_BGR24_888,              "BGR24_888"             },
 333     {FVID2_DF_ABGR32_8888,            "ABGR32_8888"           },
 334     {FVID2_DF_BGRA24_6666,            "BGRA24_6666"           },
 335     {FVID2_DF_BGRA32_8888,            "BGRA32_8888"           },
 336     {FVID2_DF_BITMAP8,                "BITMAP8"               },
 337     {FVID2_DF_BITMAP4_LOWER,          "BITMAP4_LOWER"         },
 338     {FVID2_DF_BITMAP4_UPPER,          "BITMAP4_UPPER"         },
 339     {FVID2_DF_BITMAP2_OFFSET0,        "BITMAP2_OFFSET0"       },
 340     {FVID2_DF_BITMAP2_OFFSET1,        "BITMAP2_OFFSET1"       },
 341     {FVID2_DF_BITMAP2_OFFSET2,        "BITMAP2_OFFSET2"       },
 342     {FVID2_DF_BITMAP2_OFFSET3,        "BITMAP2_OFFSET3"       },
 343     {FVID2_DF_BITMAP1_OFFSET0,        "BITMAP1_OFFSET0"       },
 344     {FVID2_DF_BITMAP1_OFFSET1,        "BITMAP1_OFFSET1"       },
 345     {FVID2_DF_BITMAP1_OFFSET2,        "BITMAP1_OFFSET2"       },
 346     {FVID2_DF_BITMAP1_OFFSET3,        "BITMAP1_OFFSET3"       },
 347     {FVID2_DF_BITMAP1_OFFSET4,        "BITMAP1_OFFSET4"       },
 348     {FVID2_DF_BITMAP1_OFFSET5,        "BITMAP1_OFFSET5"       },
 349     {FVID2_DF_BITMAP1_OFFSET6,        "BITMAP1_OFFSET6"       },
 350     {FVID2_DF_BITMAP1_OFFSET7,        "BITMAP1_OFFSET7"       },
 351     {FVID2_DF_BITMAP8_BGRA32,         "BITMAP8_BGRA32"        },
 352     {FVID2_DF_BITMAP4_BGRA32_LOWER,   "BITMAP4_BGRA32_LOWER"  },
 353     {FVID2_DF_BITMAP4_BGRA32_UPPER,   "BITMAP4_BGRA32_UPPER"  },
 354     {FVID2_DF_BITMAP2_BGRA32_OFFSET0, "BITMAP2_BGRA32_OFFSET0"},
 355     {FVID2_DF_BITMAP2_BGRA32_OFFSET1, "BITMAP2_BGRA32_OFFSET1"},
 356     {FVID2_DF_BITMAP2_BGRA32_OFFSET2, "BITMAP2_BGRA32_OFFSET2"},
 357     {FVID2_DF_BITMAP2_BGRA32_OFFSET3, "BITMAP2_BGRA32_OFFSET3"},
 358     {FVID2_DF_BITMAP1_BGRA32_OFFSET0, "BITMAP1_BGRA32_OFFSET0"},
 359     {FVID2_DF_BITMAP1_BGRA32_OFFSET1, "BITMAP1_BGRA32_OFFSET1"},
 360     {FVID2_DF_BITMAP1_BGRA32_OFFSET2, "BITMAP1_BGRA32_OFFSET2"},
 361     {FVID2_DF_BITMAP1_BGRA32_OFFSET3, "BITMAP1_BGRA32_OFFSET3"},
 362     {FVID2_DF_BITMAP1_BGRA32_OFFSET4, "BITMAP1_BGRA32_OFFSET4"},
 363     {FVID2_DF_BITMAP1_BGRA32_OFFSET5, "BITMAP1_BGRA32_OFFSET5"},
 364     {FVID2_DF_BITMAP1_BGRA32_OFFSET6, "BITMAP1_BGRA32_OFFSET6"},
 365     {FVID2_DF_BITMAP1_BGRA32_OFFSET7, "BITMAP1_BGRA32_OFFSET7"},
 366     {FVID2_DF_BAYER_RAW,              "BAYER_RAW"             },
 367     {FVID2_DF_BAYER_GRBG,             "BAYER_GRBG"            },
 368     {FVID2_DF_BAYER_RGGB,             "BAYER_RGGB"            },
 369     {FVID2_DF_BAYER_BGGR,             "BAYER_BGGR"            },
 370     {FVID2_DF_BAYER_GBRG,             "BAYER_GBRG"            },
 371     {FVID2_DF_RAW_VBI,                "RAW_VBI"               },
 372     {FVID2_DF_RAW24,                  "RAW24"                 },
 373     {FVID2_DF_RAW16,                  "RAW16"                 },
 374     {FVID2_DF_RAW08,                  "RAW08"                 },
 375     {FVID2_DF_BGRX32_8888,            "BGRX32_8888"           },
 376     {FVID2_DF_BGRA16_1555,            "BGRA16_1555"           },
 377     {FVID2_DF_BGRX16_1555,            "BGRX16_1555"           },
 378     {FVID2_DF_BGRA32_1010102,         "BGRA32_1010102"        },
 379     {FVID2_DF_BGRX32_1010102,         "BGRX32_1010102"        },
 380     {FVID2_DF_RGBA32_1010102,         "RGBA32_1010102"        },
 381     {FVID2_DF_RGBX32_1010102,         "RGBX32_1010102"        },
 382     {FVID2_DF_BGRA64_16161616,        "BGRA64_16161616"       },
 383     {FVID2_DF_BGRX64_16161616,        "BGRX64_16161616"       },
 384     {FVID2_DF_ABGR64_16161616,        "ABGR64_16161616"       },
 385     {FVID2_DF_XBGR64_16161616,        "XBGR64_16161616"       },
 386     {FVID2_DF_XRGB32_8888,            "XRGB32_8888"           },
 387     {FVID2_DF_RGBX16_4444,            "RGBX16_4444"           },
 388     {FVID2_DF_BGR16_565_A8,           "BRG16_565_A8"          },
 389     {FVID2_DF_RGB16_565_A8,           "RGB16_565_A8"          },
 390     {FVID2_DF_MISC,                   "MISC"                  },
 391     {FVID2_DF_INVALID,                "INVALID"               },
 392 };
 393
 394 /** \brief Standard string table. */
 395 static Fdm_StdString     gFdmStdStrTable[] =
 396 {
 397     {FVID2_STD_NTSC,            "NTSC"           },
 398     {FVID2_STD_PAL,             "PAL"            },
 399     {FVID2_STD_480I,            "480I"           },
 400     {FVID2_STD_576I,            "576I"           },
 401     {FVID2_STD_CIF,             "CIF"            },
 402     {FVID2_STD_HALF_D1,         "HALF_D1"        },
 403     {FVID2_STD_D1,              "D1"             },
 404     {FVID2_STD_480P,            "480P"           },
 405     {FVID2_STD_576P,            "576P"           },
 406     {FVID2_STD_720P_60,         "720P60"         },
 407     {FVID2_STD_720P_50,         "720P50"         },
 408     {FVID2_STD_1080I_60,        "1080I60"        },
 409     {FVID2_STD_1080I_50,        "1080I50"        },
 410     {FVID2_STD_1080P_60,        "1080P60"        },
 411     {FVID2_STD_1080P_50,        "1080P50"        },
 412     {FVID2_STD_1080P_24,        "1080P24"        },
 413     {FVID2_STD_1080P_30,        "1080P30"        },
 414     {FVID2_STD_VGA_60,          "VGA60"          },
 415     {FVID2_STD_VGA_72,          "VGA72"          },
 416     {FVID2_STD_VGA_75,          "VGA75"          },
 417     {FVID2_STD_VGA_85,          "VGA85"          },
 418     {FVID2_STD_WVGA_60,         "WVGA60"         },
 419     {FVID2_STD_SVGA_60,         "SVGA60"         },
 420     {FVID2_STD_SVGA_72,         "SVGA72"         },
 421     {FVID2_STD_SVGA_75,         "SVGA75"         },
 422     {FVID2_STD_SVGA_85,         "SVGA85"         },
 423     {FVID2_STD_WSVGA_70,        "WSVGA70"        },
 424     {FVID2_STD_XGA_60,          "XGA60"          },
 425     {FVID2_STD_XGA_DSS_TDM_60,  "XGA_DSS_TDM_60" },
 426     {FVID2_STD_XGA_70,          "XGA70"          },
 427     {FVID2_STD_XGA_75,          "XGA75"          },
 428     {FVID2_STD_XGA_85,          "XGA85"          },
 429     {FVID2_STD_WXGA_30,         "WXGA30"         },
 430     {FVID2_STD_WXGA_60,         "WXGA60"         },
 431     {FVID2_STD_WXGA_75,         "WXGA75"         },
 432     {FVID2_STD_WXGA_85,         "WXGA85"         },
 433     {FVID2_STD_1440_900_60,     "1440X900@60"    },
 434     {FVID2_STD_1368_768_60,     "1368X768@60"    },
 435     {FVID2_STD_1366_768_60,     "1366X768@60"    },
 436     {FVID2_STD_1360_768_60,     "1360X768@60"    },
 437     {FVID2_STD_SXGA_60,         "SXGA60"         },
 438     {FVID2_STD_SXGA_75,         "SXGA75"         },
 439     {FVID2_STD_SXGA_85,         "SXGA85"         },
 440     {FVID2_STD_WSXGAP_60,       "WSXGAP60"       },
 441     {FVID2_STD_SXGAP_60,        "SXGAP60"        },
 442     {FVID2_STD_SXGAP_75,        "SXGAP75"        },
 443     {FVID2_STD_UXGA_60,         "UXGA60"         },
 444     {FVID2_STD_MUX_2CH_D1,      "MUX_2CH_D1"     },
 445     {FVID2_STD_MUX_2CH_HALF_D1, "MUX_2CH_HALF_D1"},
 446     {FVID2_STD_MUX_2CH_CIF,     "MUX_2CH_CIF"    },
 447     {FVID2_STD_MUX_4CH_D1,      "MUX_4CH_D1"     },
 448     {FVID2_STD_MUX_4CH_CIF,     "MUX_4CH_CIF"    },
 449     {FVID2_STD_MUX_4CH_HALF_D1, "MUX_4CH_HALF_D1"},
 450     {FVID2_STD_MUX_8CH_CIF,     "MUX_8CH_CIF"    },
 451     {FVID2_STD_MUX_8CH_HALF_D1, "MUX_8CH_HALF_D1"},
 452     {FVID2_STD_WXGA_5x3_30,     "WXGA_5x3_30"    },
 453     {FVID2_STD_WXGA_5x3_60,     "WXGA_5x3_60"    },
 454     {FVID2_STD_WXGA_5x3_75,     "WXGA_5x3_75"    },
 455     {FVID2_STD_AUTO_DETECT,     "AUTO_DETECT"    },
 456     {FVID2_STD_CUSTOM,          "CUSTOM"         },
 457 };
 458
 459 /* ========================================================================== */
 460 /*                          Function Definitions                              */
 461 /* ========================================================================== */
 462
 463 /**
 464  *  Fvid2_init
 465  *  \brief FVID2 init function.
 466  *
 467  *  Initializes the drivers and the hardware.
 468  *  This function should be called before calling any of driver API's.
 469  *
 470  *  \param arg          Not used currently. Meant for future purpose.
 471  *
 472  *  \return             Returns 0 on success else returns error value.
 473  */
 474 int32_t Fvid2_init(const Fvid2_InitPrms *initPrms)
 475 {
 476     uint32_t cnt;
 477     int32_t  retVal = FVID2_SOK;
 478     int32_t  initValue;
 479     SemaphoreP_Params params;
 480
 481     Fvid2InitPrms_init(&gFdmInitPrms);
 482     if (NULL != initPrms)
 483     {
 484         Fvid2Utils_memcpy(&gFdmInitPrms, initPrms, sizeof (gFdmInitPrms));
 485     }
 486
 487     /* Init all global variables to zero */
 488     Fvid2Utils_memset(&gFdmObj, 0U, sizeof (gFdmObj));
 489
 490     /* Mark pool flags as free */
 491     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_DRV_OBJS; cnt++)
 492     {
 493         gFdmObj.fdmDriverObjects[cnt].isUsed = (uint32_t) FALSE;
 494     }
 495     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_CH_OBJS; cnt++)
 496     {
 497         gFdmObj.fdmChannelObjects[cnt].isUsed = (uint32_t) FALSE;
 498     }
 499
 500     gFdmObj.versionString = FVID2_VERSION_STRING;
 501     gFdmObj.versionNumber = FVID2_VERSION_NUMBER;
 502
 503     /* Allocate lock semaphore */
 504     SemaphoreP_Params_init(&params);
 505     params.mode = SemaphoreP_Mode_BINARY;
 506     initValue       = 1;
 507     gFdmObj.lockSem = SemaphoreP_create(initValue, &params);
 508     if (NULL == gFdmObj.lockSem)
 509     {
 510         GT_0trace(Fvid2Trace, GT_ERR, "FVID2 semaphore create failed!!\r\n");
 511         retVal = FVID2_EALLOC;
 512     }
 513     SemaphoreP_Params_init(&params);
 514     params.mode = SemaphoreP_Mode_BINARY;
 515     initValue       = 1;
 516     gFdmObj.printSem = SemaphoreP_create(initValue, &params);
 517     if (NULL == gFdmObj.printSem)
 518     {
 519         GT_0trace(Fvid2Trace, GT_ERR, "FVID2 semaphore create failed!!\r\n");
 520         retVal = FVID2_EALLOC;
 521     }
 522
 523     /* Free-up memory if error occurs */
 524     if (FVID2_SOK != retVal)
 525     {
 526         Fvid2_deInit(NULL);
 527     }
 528
 529     return (retVal);
 530 }
 531
 532 /**
 533  *  Fvid2_deInit
 534  *  \brief FVID2 deinit function.
 535  *
 536  *  Uninitializes the drivers and the hardware.
 537  *
 538  *  \param arg          Not used currently. Meant for future purpose.
 539  *
 540  *  \return             Returns 0 on success else returns error value.
 541  */
 542 int32_t Fvid2_deInit(void *args)
 543 {
 544     int32_t retVal = FVID2_SOK;
 545
 546     /* Delete the lock semaphore */
 547     if (NULL != gFdmObj.lockSem)
 548     {
 549         SemaphoreP_delete(gFdmObj.lockSem);
 550         gFdmObj.lockSem = NULL;
 551     }
 552     if (NULL != gFdmObj.printSem)
 553     {
 554         SemaphoreP_delete(gFdmObj.printSem);
 555         gFdmObj.printSem = NULL;
 556     }
 557
 558     return (retVal);
 559 }
 560
 561 /**
 562  *  Fvid2_getVersionString
 563  *  \brief Get the FVID2 driver version in string form. This API can be
 564  *  called before calling #Fvid2_init().
 565  *
 566  *  \return             Returns pointer to FVID2 version string.
 567  */
 568 const char *Fvid2_getVersionString(void)
 569 {
 570     return (FVID2_VERSION_STRING);
 571 }
 572
 573 /**
 574  *  Fvid2_getVersionNumber
 575  *  \brief Get the FVID2 driver version in number form. This API can be
 576  *  called before calling #Fvid2_init().
 577  *
 578  *  \return             FVID2 version number.
 579  */
 580 uint32_t Fvid2_getVersionNumber(void)
 581 {
 582     return (FVID2_VERSION_NUMBER);
 583 }
 584
 585 /**
 586  *  Fvid2_registerDriver
 587  *  \brief FVID2 register driver function.
 588  */
 589 int32_t Fvid2_registerDriver(const Fvid2_DrvOps *drvOps)
 590 {
 591     int32_t     retVal = FVID2_SOK;
 592     Fdm_Driver *drv;
 593     uint32_t    cnt;
 594
 595     /* Check for NULL pointers */
 596     OSAL_Assert(NULL == drvOps);
 597
 598     SemaphoreP_pend(gFdmObj.lockSem, SemaphoreP_WAIT_FOREVER);
 599
 600     /* Check whether the driver is already registered */
 601     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_DRV_OBJS; cnt++)
 602     {
 603         if (TRUE == gFdmObj.fdmDriverObjects[cnt].isUsed)
 604         {
 605             /* Check for NULL pointers */
 606             OSAL_Assert(NULL == gFdmObj.fdmDriverObjects[cnt].drvOps);
 607
 608             if (drvOps->drvId == gFdmObj.fdmDriverObjects[cnt].drvOps->drvId)
 609             {
 610                 GT_0trace(Fvid2Trace, GT_ERR,
 611                           "Driver with same id already registered!!\r\n");
 612                 retVal = FVID2_EDRIVER_INUSE;
 613                 break;
 614             }
 615         }
 616     }
 617
 618     if (FVID2_SOK == retVal)
 619     {
 620         /* Get a free driver object */
 621         drv = fdmAllocDriverObject();
 622         if (NULL != drv)
 623         {
 624             drv->drvOps   = drvOps;
 625             drv->numOpens = 0U;
 626         }
 627         else
 628         {
 629             GT_0trace(Fvid2Trace, GT_ERR, "Alloc driver object failed!!\r\n");
 630             retVal = FVID2_EALLOC;
 631         }
 632     }
 633
 634     SemaphoreP_post(gFdmObj.lockSem);
 635
 636     return (retVal);
 637 }
 638
 639 /**
 640  *  Fvid2_unRegisterDriver
 641  *  \brief FVID2 unregister driver function.
 642  */
 643 int32_t Fvid2_unRegisterDriver(const Fvid2_DrvOps *drvOps)
 644 {
 645     int32_t retVal = FVID2_EFAIL;
 646
 647     /* Check for NULL pointers */
 648     OSAL_Assert(NULL == drvOps);
 649
 650     SemaphoreP_pend(gFdmObj.lockSem, SemaphoreP_WAIT_FOREVER);
 651
 652     /* Free the driver object */
 653     retVal = fdmFreeDriverObject(drvOps);
 654
 655     SemaphoreP_post(gFdmObj.lockSem);
 656
 657     return (retVal);
 658 }
 659
 660 /**
 661  *  Fvid2_create
 662  *  \brief Opens the driver identified by the driver ID.
 663  */
 664 Fvid2_Handle Fvid2_create(uint32_t              drvId,
 665                           uint32_t              instanceId,
 666                           void                 *createArgs,
 667                           void                 *createStatusArgs,
 668                           const Fvid2_CbParams *cbParams)
 669 {
 670     Fdm_Driver       *drv = NULL;
 671     uint32_t          cnt;
 672     Fdrv_Handle       drvHandle = NULL;
 673     Fdm_Channel      *channel   = NULL;
 674     Fvid2_DrvCbParams fdmCbParams, *tempCbParams;
 675
 676     SemaphoreP_pend(gFdmObj.lockSem, SemaphoreP_WAIT_FOREVER);
 677
 678     /* Get the matching driver object */
 679     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_DRV_OBJS; cnt++)
 680     {
 681         if (TRUE == gFdmObj.fdmDriverObjects[cnt].isUsed)
 682         {
 683             /* Check for NULL pointers */
 684             OSAL_Assert(NULL == gFdmObj.fdmDriverObjects[cnt].drvOps);
 685
 686             if (drvId == gFdmObj.fdmDriverObjects[cnt].drvOps->drvId)
 687             {
 688                 drv = &gFdmObj.fdmDriverObjects[cnt];
 689                 /* Allocate channel object */
 690                 channel = fdmAllocChannelObject();
 691                 break;
 692             }
 693         }
 694     }
 695
 696     if (NULL != channel)
 697     {
 698         if (NULL != drv->drvOps->createFxn)
 699         {
 700             if (NULL != cbParams)
 701             {
 702                 if (NULL != cbParams->cbFxn)
 703                 {
 704                     fdmCbParams.fdmCbFxn = &fdmDriverCbFxn;
 705                 }
 706                 else
 707                 {
 708                     fdmCbParams.fdmCbFxn = NULL;
 709                 }
 710                 if (NULL != cbParams->errCbFxn)
 711                 {
 712                     fdmCbParams.fdmErrCbFxn = &fdmDriverErrCbFxn;
 713                 }
 714                 else
 715                 {
 716                     fdmCbParams.fdmErrCbFxn = NULL;
 717                 }
 718
 719                 fdmCbParams.handle   = channel;
 720                 fdmCbParams.errList  = cbParams->errList;
 721                 fdmCbParams.fdmData  = channel;
 722                 tempCbParams         = &fdmCbParams;
 723             }
 724             else
 725             {
 726                 tempCbParams = NULL;
 727             }
 728
 729             /* Call the driver's create function */
 730             drvHandle = drv->drvOps->createFxn(
 731                 drvId,
 732                 instanceId,
 733                 createArgs,
 734                 createStatusArgs,
 735                 tempCbParams);
 736         }
 737         else
 738         {
 739             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
 740         }
 741
 742         if (NULL != drvHandle)
 743         {
 744             drv->numOpens++;
 745
 746             channel->drv       = drv;
 747             channel->drvHandle = drvHandle;
 748             Fvid2CbParams_init(&channel->cbParams);
 749             if (NULL != cbParams)
 750             {
 751                 Fvid2Utils_memcpy(
 752                     &channel->cbParams,
 753                     cbParams,
 754                     sizeof (Fvid2_CbParams));
 755             }
 756         }
 757         else
 758         {
 759             GT_0trace(Fvid2Trace, GT_ERR, "Driver create failed!!\r\n");
 760
 761             /* Free the allocated channel object */
 762             fdmFreeChannelObject(channel);
 763             channel = NULL;
 764         }
 765     }
 766     else
 767     {
 768         GT_0trace(Fvid2Trace, GT_ERR, "EALLOC: Invalid driver ID!!\r\n");
 769     }
 770
 771     SemaphoreP_post(gFdmObj.lockSem);
 772
 773     return (channel);
 774 }
 775
 776 /**
 777  *  Fvid2_delete
 778  *  \brief Application calls Fvid2_delete to close the logical channel
 779  *  associated with FVID2 handle.
 780  */
 781 int32_t Fvid2_delete(Fvid2_Handle handle, void *deleteArgs)
 782 {
 783     int32_t      retVal = FVID2_SOK;
 784     Fdm_Channel *channel;
 785
 786     SemaphoreP_pend(gFdmObj.lockSem, SemaphoreP_WAIT_FOREVER);
 787
 788     if (NULL != handle)
 789     {
 790         channel = (Fdm_Channel *) handle;
 791
 792         /* Check for NULL pointers */
 793         OSAL_Assert(NULL == channel->drv);
 794         OSAL_Assert(NULL == channel->drv->drvOps);
 795
 796         if (NULL != channel->drv->drvOps->deleteFxn)
 797         {
 798             /* Call the driver's delete function */
 799             retVal = channel->drv->drvOps->deleteFxn(
 800                 channel->drvHandle,
 801                 deleteArgs);
 802         }
 803         else
 804         {
 805             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
 806         }
 807
 808         channel->drv->numOpens--;
 809         /* Free the allocated channel object */
 810         channel->drv               = NULL;
 811         channel->drvHandle         = NULL;
 812         channel->cbParams.cbFxn    = NULL;
 813         channel->cbParams.errCbFxn = NULL;
 814         channel->cbParams.errList  = NULL;
 815         channel->cbParams.appData  = NULL;
 816         fdmFreeChannelObject(channel);
 817     }
 818     else
 819     {
 820         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
 821         retVal = FVID2_EBADARGS;
 822     }
 823
 824     SemaphoreP_post(gFdmObj.lockSem);
 825
 826     return (retVal);
 827 }
 828
 829 /**
 830  *  Fvid2_control
 831  *  \brief An application calls Fvid2_control to send device-specific control
 832  *  commands to the video driver.
 833  */
 834 int32_t Fvid2_control(Fvid2_Handle  handle,
 835                       uint32_t      cmd,
 836                       void         *cmdArgs,
 837                       void         *cmdStatusArgs)
 838 {
 839     int32_t      retVal = FVID2_SOK;
 840     Fdm_Channel *channel;
 841
 842     if (NULL != handle)
 843     {
 844         channel = (Fdm_Channel *) handle;
 845
 846         /* Check for NULL pointers */
 847         OSAL_Assert(NULL == channel->drv);
 848         OSAL_Assert(NULL == channel->drv->drvOps);
 849
 850         if (NULL != channel->drv->drvOps->controlFxn)
 851         {
 852             /* Call the driver's control function */
 853             retVal = channel->drv->drvOps->controlFxn(
 854                 channel->drvHandle,
 855                 cmd,
 856                 cmdArgs,
 857                 cmdStatusArgs);
 858         }
 859         else
 860         {
 861             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
 862             retVal = FVID2_EUNSUPPORTED_OPS;
 863         }
 864     }
 865     else
 866     {
 867         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
 868         retVal = FVID2_EBADARGS;
 869     }
 870
 871     return (retVal);
 872 }
 873
 874 /**
 875  *  Fvid2_queue
 876  *  \brief An application calls Fvid2_queue to submit a video buffer to the
 877  *  video device driver.
 878  *  This is used in capture/display drivers.
 879  */
 880 int32_t Fvid2_queue(Fvid2_Handle     handle,
 881                     Fvid2_FrameList *frameList,
 882                     uint32_t         streamId)
 883 {
 884     int32_t      retVal = FVID2_SOK;
 885     Fdm_Channel *channel;
 886
 887     if (NULL != handle)
 888     {
 889         channel = (Fdm_Channel *) handle;
 890
 891         /* Check for NULL pointers */
 892         OSAL_Assert(NULL == channel->drv);
 893         OSAL_Assert(NULL == channel->drv->drvOps);
 894
 895         if (NULL != channel->drv->drvOps->queueFxn)
 896         {
 897             /* Call the driver's queue function */
 898             retVal = channel->drv->drvOps->queueFxn(
 899                 channel->drvHandle,
 900                 frameList,
 901                 streamId);
 902         }
 903         else
 904         {
 905             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
 906             retVal = FVID2_EUNSUPPORTED_OPS;
 907         }
 908     }
 909     else
 910     {
 911         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
 912         retVal = FVID2_EBADARGS;
 913     }
 914
 915     return (retVal);
 916 }
 917
 918 /**
 919  *  Fvid2_dequeue
 920  *  \brief An application calls Fvid2_dequeue to request the video device
 921  *  driver to give ownership of a video buffer.
 922  *  This is used in capture/display drivers.
 923  */
 924 int32_t Fvid2_dequeue(Fvid2_Handle      handle,
 925                       Fvid2_FrameList  *frameList,
 926                       uint32_t          streamId,
 927                       uint32_t          timeout)
 928 {
 929     int32_t      retVal = FVID2_SOK;
 930     Fdm_Channel *channel;
 931
 932     if (NULL != handle)
 933     {
 934         channel = (Fdm_Channel *) handle;
 935
 936         /* Check for NULL pointers */
 937         OSAL_Assert(NULL == channel->drv);
 938         OSAL_Assert(NULL == channel->drv->drvOps);
 939
 940         if (NULL != channel->drv->drvOps->dequeueFxn)
 941         {
 942             /* Call the driver's dequeue function */
 943             retVal = channel->drv->drvOps->dequeueFxn(
 944                 channel->drvHandle,
 945                 frameList,
 946                 streamId,
 947                 timeout);
 948         }
 949         else
 950         {
 951             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
 952             retVal = FVID2_EUNSUPPORTED_OPS;
 953         }
 954     }
 955     else
 956     {
 957         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
 958         retVal = FVID2_EBADARGS;
 959     }
 960
 961     return (retVal);
 962 }
 963
 964 /**
 965  *  Fvid2_processRequest
 966  *  \brief An application calls Fvid2_processRequest to submit a video buffer
 967  *  to the video device driver.
 968  */
 969 int32_t Fvid2_processRequest(Fvid2_Handle     handle,
 970                              Fvid2_FrameList *inFrameList,
 971                              Fvid2_FrameList *outFrameList)
 972 {
 973     int32_t      retVal = FVID2_SOK;
 974     Fdm_Channel *channel;
 975
 976     if (NULL != handle)
 977     {
 978         channel = (Fdm_Channel *) handle;
 979
 980         /* Check for NULL pointers */
 981         OSAL_Assert(NULL == channel->drv);
 982         OSAL_Assert(NULL == channel->drv->drvOps);
 983
 984         if (NULL != channel->drv->drvOps->processRequestFxn)
 985         {
 986             /* Call the driver's process frame function */
 987             retVal = channel->drv->drvOps->processRequestFxn(
 988                 channel->drvHandle,
 989                 inFrameList,
 990                 outFrameList);
 991         }
 992         else
 993         {
 994             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
 995             retVal = FVID2_EUNSUPPORTED_OPS;
 996         }
 997     }
 998     else
 999     {
1000         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
1001         retVal = FVID2_EBADARGS;
1002     }
1003
1004     return (retVal);
1005 }
1006
1007 /**
1008  *  Fvid2_getProcessedRequest
1009  *  \brief An application calls Fvid2_getProcessedRequest to request the video
1010  *  device driver to give ownership of a video buffer.
1011  */
1012 int32_t Fvid2_getProcessedRequest(Fvid2_Handle     handle,
1013                                   Fvid2_FrameList *inFrameList,
1014                                   Fvid2_FrameList *outFrameList,
1015                                   uint32_t         timeout)
1016 {
1017     int32_t      retVal = FVID2_SOK;
1018     Fdm_Channel *channel;
1019
1020     if (NULL != handle)
1021     {
1022         channel = (Fdm_Channel *) handle;
1023
1024         /* Check for NULL pointers */
1025         OSAL_Assert(NULL == channel->drv);
1026         OSAL_Assert(NULL == channel->drv->drvOps);
1027
1028         if (NULL != channel->drv->drvOps->getProcessedRequestFxn)
1029         {
1030             /* Call the driver's get process frame function */
1031             retVal = channel->drv->drvOps->getProcessedRequestFxn(
1032                 channel->drvHandle,
1033                 inFrameList,
1034                 outFrameList,
1035                 timeout);
1036         }
1037         else
1038         {
1039             GT_0trace(Fvid2Trace, GT_ERR, "Driver Ops not supported!!\r\n");
1040             retVal = FVID2_EUNSUPPORTED_OPS;
1041         }
1042     }
1043     else
1044     {
1045         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
1046         retVal = FVID2_EBADARGS;
1047     }
1048
1049     return (retVal);
1050 }
1051
1052 /**
1053  *  Fvid2_getModeInfo
1054  *  \brief Function to get the information about various FVID2 modes/standards.
1055  */
1056 int32_t Fvid2_getModeInfo(Fvid2_ModeInfo *modeInfo)
1057 {
1058     int32_t         retVal = FVID2_SOK;
1059     uint32_t        entryCnt;
1060     Fvid2_ModeInfo *matchedEntry = NULL;
1061
1062     if (NULL != modeInfo)
1063     {
1064         for (entryCnt = 0U; entryCnt < FDM_NUM_STD_INFO_ENTRIES; entryCnt++)
1065         {
1066             if (gFdmStdInfoTable[entryCnt].standard == modeInfo->standard)
1067             {
1068                 matchedEntry = &gFdmStdInfoTable[entryCnt];
1069                 break;
1070             }
1071         }
1072
1073         if (NULL == matchedEntry)
1074         {
1075             GT_0trace(Fvid2Trace, GT_ERR, "Unsupported standard!!\r\n");
1076             retVal = FVID2_EINVALID_PARAMS;
1077         }
1078         else
1079         {
1080             Fvid2Utils_memcpy(modeInfo, matchedEntry, sizeof (Fvid2_ModeInfo));
1081         }
1082     }
1083     else
1084     {
1085         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
1086         retVal = FVID2_EBADARGS;
1087     }
1088
1089     return (retVal);
1090 }
1091
1092 /**
1093  *  \brief Function to get the name of the data format in printable string.
1094  *
1095  *  \param dataFmt      [IN] Data format to get the name.
1096  *                           For valid values see #Fvid2_DataFormat.
1097  *
1098  *  \return Returns a const pointer to the string. If the data format is not
1099  *  known, then it return the string as "UNKNOWN".
1100  */
1101 const char *Fvid2_getDataFmtString(uint32_t dataFmt)
1102 {
1103     uint32_t    entryCnt;
1104     const char *dataFmtStr = NULL;
1105
1106     for (entryCnt = 0U; entryCnt < FDM_NUM_DATA_FMT_STR_ENTRIES; entryCnt++)
1107     {
1108         if (gFdmDataFmtStrTable[entryCnt].dataFmt == dataFmt)
1109         {
1110             dataFmtStr = gFdmDataFmtStrTable[entryCnt].dataFmtStr;
1111             break;
1112         }
1113     }
1114
1115     if (NULL == dataFmtStr)
1116     {
1117         dataFmtStr = "UNKNOWN";
1118     }
1119
1120     return (dataFmtStr);
1121 }
1122
1123 /**
1124  *  \brief Function to get the name of the standard in printable string.
1125  *
1126  *  \param standard     [IN] Standard to get the name.
1127  *                           For valid values see #Fvid2_Standard.
1128  *
1129  *  \return Returns a const pointer to the string. If the standard is not
1130  *  known, then it return the string as "UNKNOWN".
1131  */
1132 const char *Fvid2_getStandardString(uint32_t standard)
1133 {
1134     uint32_t    entryCnt;
1135     const char *stdStr = NULL;
1136
1137     for (entryCnt = 0U; entryCnt < FDM_NUM_STD_STR_ENTRIES; entryCnt++)
1138     {
1139         if (gFdmStdStrTable[entryCnt].standard == standard)
1140         {
1141             stdStr = gFdmStdStrTable[entryCnt].stdStr;
1142             break;
1143         }
1144     }
1145
1146     if (NULL == stdStr)
1147     {
1148         stdStr = "UNKNOWN";
1149     }
1150
1151     return (stdStr);
1152 }
1153
1154 /**
1155  *  Fvid2_checkFrameList
1156  *  \brief Checks the FVID2 frame list for error and returns appropriate error.
1157  *  This is used by the drivers and not by the application.
1158  */
1159 int32_t Fvid2_checkFrameList(const Fvid2_FrameList *frameList,
1160                              uint32_t maxFrames)
1161 {
1162     int32_t  retVal = FVID2_SOK;
1163     uint32_t frmCnt;
1164
1165     /* Check for NULL pointer */
1166     if (NULL == frameList)
1167     {
1168         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
1169         retVal = FVID2_EBADARGS;
1170     }
1171     else
1172     {
1173         /* Check whether num frames is within range */
1174         if (frameList->numFrames > maxFrames)
1175         {
1176             GT_0trace(Fvid2Trace, GT_ERR, "Number of frames exceeds max!!\r\n");
1177             retVal = FVID2_EOUT_OF_RANGE;
1178         }
1179
1180         /* Check whether num frames is within range */
1181         if (frameList->numFrames > FVID2_MAX_FRAME_PTR)
1182         {
1183             GT_0trace(Fvid2Trace, GT_ERR,
1184                       "Number of frames exceeds FVID2 max!!\r\n");
1185             retVal = FVID2_EOUT_OF_RANGE;
1186         }
1187
1188         /* Check whether num frames is zero */
1189         if (0U == frameList->numFrames)
1190         {
1191             GT_0trace(Fvid2Trace, GT_ERR, "Number of frames is zero!!\r\n");
1192             retVal = FVID2_EOUT_OF_RANGE;
1193         }
1194
1195         if (FVID2_SOK == retVal)
1196         {
1197             /* Check the individual frame pointers */
1198             for (frmCnt = 0U; frmCnt < frameList->numFrames; frmCnt++)
1199             {
1200                 /* Check for NULL pointer */
1201                 if (NULL == frameList->frames[frmCnt])
1202                 {
1203                     GT_0trace(Fvid2Trace, GT_ERR,
1204                               "EBADARGS: NULL pointer!!\r\n");
1205                     retVal = FVID2_EBADARGS;
1206                     break;
1207                 }
1208             }
1209         }
1210     }
1211
1212     return (retVal);
1213 }
1214
1215 /**
1216  *  Fvid2_checkDqFrameList
1217  *  \brief Checks the FVID2 frame list of dequeue call for error and returns
1218  *  appropriate error. For dequeue operation, the frame pointers in the frames
1219  *  should not be checked as this will be filled by the driver.
1220  *  This is used by the drivers and not by the application.
1221  */
1222 int32_t Fvid2_checkDqFrameList(const Fvid2_FrameList *frameList,
1223                                uint32_t               maxFrames)
1224 {
1225     int32_t retVal = FVID2_SOK;
1226
1227     /* Check for NULL pointer */
1228     if (NULL == frameList)
1229     {
1230         GT_0trace(Fvid2Trace, GT_ERR, "EBADARGS: NULL pointer!!\r\n");
1231         retVal = FVID2_EBADARGS;
1232     }
1233     else
1234     {
1235         /* Check whether max frames is within range */
1236         if (maxFrames > FVID2_MAX_FRAME_PTR)
1237         {
1238             GT_0trace(Fvid2Trace, GT_ERR,
1239                       "Number of frames exceeds FVID2 max!!\r\n");
1240             retVal = FVID2_EOUT_OF_RANGE;
1241         }
1242     }
1243
1244     return (retVal);
1245 }
1246
1247 /**
1248  *  Fvid2_copyFrameList
1249  *  \brief Copies the source frame list to the destination frame list.
1250  *  This also resets the frame pointers from the source frame list.
1251  *  This is used by the drivers and not by the application.
1252  */
1253 void Fvid2_copyFrameList(Fvid2_FrameList *dest, Fvid2_FrameList *src)
1254 {
1255     uint32_t frmCnt;
1256
1257     /* Check for NULL pointers */
1258     OSAL_Assert(NULL == dest);
1259     OSAL_Assert(NULL == src);
1260     OSAL_Assert(src->numFrames >= FVID2_MAX_FRAME_PTR);
1261
1262     dest->numFrames  = src->numFrames;
1263     dest->drvData    = src->drvData;
1264
1265     /* Copy the individual frames */
1266     for (frmCnt = 0U; frmCnt < src->numFrames; frmCnt++)
1267     {
1268         dest->frames[frmCnt] = src->frames[frmCnt];
1269         src->frames[frmCnt]  = NULL;
1270     }
1271
1272     return;
1273 }
1274
1275 /**
1276  *  Fvid2_duplicateFrameList
1277  *  \brief Duplicate the source frame list to the destination frame list.
1278  *  This does not reset the frame pointers from the source frame list.
1279  *  This is used by the drivers and not by the application.
1280  */
1281 void Fvid2_duplicateFrameList(Fvid2_FrameList *dest, const Fvid2_FrameList *src)
1282 {
1283     uint32_t frmCnt;
1284
1285     /* Check for NULL pointers */
1286     OSAL_Assert(NULL == dest);
1287     OSAL_Assert(NULL == src);
1288     OSAL_Assert(src->numFrames >= FVID2_MAX_FRAME_PTR);
1289
1290     dest->numFrames  = src->numFrames;
1291     dest->drvData    = src->drvData;
1292
1293     /* Duplicate the individual frames */
1294     for (frmCnt = 0U; frmCnt < src->numFrames; frmCnt++)
1295     {
1296         dest->frames[frmCnt] = src->frames[frmCnt];
1297     }
1298
1299     return;
1300 }
1301
1302 /**
1303  *  fdmDriverCbFxn
1304  *  \brief FVID2 driver manager driver callback function. Whenever the drivers
1305  *  wants to call the application callback function, this function will be
1306  *  called by the driver and FDM will in turn call the application callback
1307  *  function.
1308  *  This is used by the drivers and not by the application.
1309  */
1310 static int32_t fdmDriverCbFxn(void *fdmData)
1311 {
1312     int32_t      retVal;
1313     Fdm_Channel *channel;
1314
1315     /* Check for NULL pointers */
1316     OSAL_Assert(NULL == fdmData);
1317
1318     channel = (Fdm_Channel *) fdmData;
1319     OSAL_Assert(NULL == channel->cbParams.cbFxn);
1320     retVal = channel->cbParams.cbFxn(channel, channel->cbParams.appData);
1321
1322     return (retVal);
1323 }
1324
1325 /**
1326  *  fdmDriverErrCbFxn
1327  *  \brief FVID2 driver manager driver error callback function.
1328  *  Whenever the drivers wants to call the application error callback function,
1329  *  this function will be called by the driver and FDM will in turn call the
1330  *  application error callback function.
1331  *  This is used by the drivers and not by the application.
1332  */
1333 static int32_t fdmDriverErrCbFxn(void *fdmData, void *errList)
1334 {
1335     int32_t      retVal;
1336     Fdm_Channel *channel;
1337
1338     /* Check for NULL pointers */
1339     OSAL_Assert(NULL == fdmData);
1340
1341     channel = (Fdm_Channel *) fdmData;
1342     OSAL_Assert(NULL == channel->cbParams.errCbFxn);
1343     retVal =
1344         channel->cbParams.errCbFxn(channel, channel->cbParams.appData, errList);
1345
1346     return (retVal);
1347 }
1348
1349 /**
1350  *  fdmAllocDriverObject
1351  *  \brief Allocate memory for driver object from static memory pool.
1352  *  Returns NULL if memory pool is full.
1353  */
1354 static Fdm_Driver *fdmAllocDriverObject(void)
1355 {
1356     uint32_t    cnt;
1357     Fdm_Driver *drv = NULL;
1358
1359     /* Get a free driver object */
1360     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_DRV_OBJS; cnt++)
1361     {
1362         if (FALSE == gFdmObj.fdmDriverObjects[cnt].isUsed)
1363         {
1364             drv         = &gFdmObj.fdmDriverObjects[cnt];
1365             drv->isUsed = (uint32_t) TRUE;
1366             break;
1367         }
1368     }
1369
1370     return (drv);
1371 }
1372
1373 /**
1374  *  fdmFreeDriverObject
1375  *  \brief Free-up the memory allocated for driver object.
1376  */
1377 static int32_t fdmFreeDriverObject(const Fvid2_DrvOps *drvOps)
1378 {
1379     uint32_t cnt;
1380     int32_t  retVal = FVID2_EFAIL;
1381
1382     /* Check for NULL pointers */
1383     OSAL_Assert(NULL == drvOps);
1384
1385     /* Free the driver object */
1386     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_DRV_OBJS; cnt++)
1387     {
1388         if ((TRUE == gFdmObj.fdmDriverObjects[cnt].isUsed) &&
1389             (drvOps == gFdmObj.fdmDriverObjects[cnt].drvOps))
1390         {
1391             if (0u == gFdmObj.fdmDriverObjects[cnt].numOpens)
1392             {
1393                 gFdmObj.fdmDriverObjects[cnt].isUsed   = (uint32_t) FALSE;
1394                 gFdmObj.fdmDriverObjects[cnt].drvOps   = NULL;
1395                 gFdmObj.fdmDriverObjects[cnt].numOpens = 0u;
1396                 retVal = FVID2_SOK;
1397             }
1398             else
1399             {
1400                 GT_0trace(Fvid2Trace, GT_ERR, "Driver in use!!\r\n");
1401                 retVal = FVID2_EDEVICE_INUSE;
1402             }
1403             break;
1404         }
1405     }
1406
1407     if (FVID2_EFAIL == retVal)
1408     {
1409         GT_0trace(Fvid2Trace, GT_ERR, "Driver ops not found!!\r\n");
1410     }
1411
1412     return (retVal);
1413 }
1414
1415 /**
1416  *  fdmAllocChannelObject
1417  *  \brief Allocate memory for channel object from static memory pool.
1418  *  Returns NULL if memory pool is full.
1419  */
1420 static Fdm_Channel *fdmAllocChannelObject(void)
1421 {
1422     uint32_t       cnt;
1423     Fdm_Channel *channel = NULL;
1424
1425     /* Get a free channel object */
1426     for (cnt = 0u; cnt < FVID2_CFG_FDM_NUM_CH_OBJS; cnt++)
1427     {
1428         if (FALSE == gFdmObj.fdmChannelObjects[cnt].isUsed)
1429         {
1430             channel         = &gFdmObj.fdmChannelObjects[cnt];
1431             channel->isUsed = (uint32_t) TRUE;
1432             break;
1433         }
1434     }
1435
1436     return (channel);
1437 }
1438
1439 /**
1440  *  fdmFreeChannelObject
1441  *  \brief Free-up the memory allocated for channel object.
1442  */
1443 static int32_t fdmFreeChannelObject(Fdm_Channel *channel)
1444 {
1445     int32_t retVal = FVID2_EALLOC;
1446
1447     /* Check for NULL pointers */
1448     OSAL_Assert(NULL == channel);
1449
1450     /* Free the channel object */
1451     if (TRUE == channel->isUsed)
1452     {
1453         channel->isUsed = (uint32_t) FALSE;
1454         retVal          = FVID2_SOK;
1455     }
1456     else
1457     {
1458         GT_0trace(Fvid2Trace, GT_ERR,
1459                   "Freeing a channel object not in use!!\r\n");
1460     }
1461
1462     return (retVal);
1463 }
1464
1465 void Fvid2_printf(const char *format, ...)
1466 {
1467 #if defined (FVID2_CFG_TRACE_ENABLE)
1468     va_list     vaArgPtr;
1469     char       *buf = NULL;
1470
1471     SemaphoreP_pend(gFdmObj.printSem, SemaphoreP_WAIT_FOREVER);
1472
1473     buf = &gRemoteDebug_serverObj.printBuf[0];
1474     va_start(vaArgPtr, format);
1475     vsnprintf(buf, REMOTE_DEBUG_SERVER_PRINT_BUF_LEN,
1476               (const char *) format, vaArgPtr);
1477     va_end(vaArgPtr);
1478
1479     if(gFdmInitPrms.printFxn != NULL)
1480     {
1481         gFdmInitPrms.printFxn(buf);
1482     }
1483
1484     SemaphoreP_post(gFdmObj.printSem);
1485 #endif
1486     return;
1487 }