cpu/ixp/npe/include/IxTimeSyncAcc.h

   1 /**
   2  * @file IxTimeSyncAcc.h
   3  *
   4  * @author Intel Corporation
   5  * @date 07 May 2004
   6  *
   7  * @brief  Header file for IXP400 Access Layer to IEEE 1588(TM) Precision
   8  * Clock Synchronisation Protocol Hardware Assist
   9  *
  10  * @version 1
  11  *
  12  * @par
  13  * IXP400 SW Release version 2.0
  14  *
  15  * -- Copyright Notice --
  16  *
  17  * @par
  18  * Copyright 2001-2005, Intel Corporation.
  19  * All rights reserved.
  20  *
  21  * @par
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the above copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. Neither the name of the Intel Corporation nor the names of its contributors
  31  *    may be used to endorse or promote products derived from this software
  32  *    without specific prior written permission.
  33  *
  34  * @par
  35  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
  36  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  38  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  39  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  40  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  41  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  42  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  43  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  44  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  45  * SUCH DAMAGE.
  46  *
  47  * @par
  48  * -- End of Copyright Notice --
  49  */
  50
  51 /**
  52  * @defgroup IxTimeSyncAcc IXP400 Time Sync Access Component API
  53  *
  54  * @brief Public API for IxTimeSyncAcc
  55  *
  56  * @{
  57  */
  58 #ifndef IXTIMESYNCACC_H
  59 #define IXTIMESYNCACC_H
  60
  61 #ifdef  __ixp46X
  62
  63 #include "IxOsal.h"
  64
  65 /**
  66  * Section for enum
  67  */
  68
  69 /**
  70  * @ingroup IxTimeSyncAcc
  71  *
  72  * @enum IxTimeSyncAccStatus
  73  *
  74  * @brief The status as returned from the API
  75  */
  76 typedef enum /**< IxTimeSyncAccStatus */
  77 {
  78     IX_TIMESYNCACC_SUCCESS = IX_SUCCESS,    /**< Requested operation successful */
  79     IX_TIMESYNCACC_INVALIDPARAM,            /**< An invalid parameter was passed */
  80     IX_TIMESYNCACC_NOTIMESTAMP,             /**< While polling no time stamp available */
  81     IX_TIMESYNCACC_INTERRUPTMODEINUSE,      /**< Polling not allowed while operating in interrupt mode */
  82     IX_TIMESYNCACC_FAILED                   /**< Internal error occurred */
  83 }IxTimeSyncAccStatus;
  84
  85 /**
  86  * @ingroup IxTimeSyncAcc
  87  *
  88  * @enum IxTimeSyncAccAuxMode
  89  *
  90  * @brief Master or Slave Auxiliary Time Stamp (Snap Shot)
  91  */
  92 typedef enum /**< IxTimeSyncAccAuxMode */
  93 {
  94     IX_TIMESYNCACC_AUXMODE_MASTER,          /**< Auxiliary Master Mode */
  95     IX_TIMESYNCACC_AUXMODE_SLAVE,           /**< Auxiliary Slave Mode */
  96     IX_TIMESYNCACC_AUXMODE_INVALID          /**< Invalid Auxiliary Mode */
  97 }IxTimeSyncAccAuxMode;
  98
  99 /**
 100  * @ingroup IxTimeSyncAcc
 101  *
 102  * @enum IxTimeSyncAcc1588PTPPort
 103  *
 104  * @brief IEEE 1588 PTP Communication Port(Channel)
 105  */
 106 typedef enum /**< IxTimeSyncAcc1588PTPPort */
 107 {
 108     IX_TIMESYNCACC_NPE_A_1588PTP_PORT,      /**< PTP Communication Port on NPE-A */
 109     IX_TIMESYNCACC_NPE_B_1588PTP_PORT,      /**< PTP Communication Port on NPE-B */
 110     IX_TIMESYNCACC_NPE_C_1588PTP_PORT,      /**< PTP Communication Port on NPE-C */
 111     IX_TIMESYNCACC_NPE_1588PORT_INVALID     /**< Invalid PTP Communication Port */
 112 } IxTimeSyncAcc1588PTPPort;
 113
 114 /**
 115  * @ingroup IxTimeSyncAcc
 116  *
 117  * @enum IxTimeSyncAcc1588PTPPortMode
 118  *
 119  * @brief Master or Slave mode for IEEE 1588 PTP Communication Port
 120  */
 121 typedef enum  /**< IxTimeSyncAcc1588PTPPortMode */
 122 {
 123     IX_TIMESYNCACC_1588PTP_PORT_MASTER,       /**< PTP Communication Port in Master Mode */
 124     IX_TIMESYNCACC_1588PTP_PORT_SLAVE,        /**< PTP Communication Port in Slave Mode */
 125     IX_TIMESYNCACC_1588PTP_PORT_ANYMODE,      /**< PTP Communication Port in ANY Mode
 126                                                   allows time stamping of all messages
 127                                                   including non-1588 PTP */
 128     IX_TIMESYNCACC_1588PTP_PORT_MODE_INVALID  /**< Invalid PTP Port Mode */
 129 }IxTimeSyncAcc1588PTPPortMode;
 130
 131 /**
 132  * @ingroup IxTimeSyncAcc
 133  *
 134  * @enum IxTimeSyncAcc1588PTPMsgType
 135  *
 136  * @brief 1588 PTP Messages types that can be detected on communication port
 137  *
 138  * Note that client code can determine this based on master/slave mode in which
 139  * it is already operating in and this information is made available for the sake
 140  * of convenience only.
 141  */
 142 typedef enum  /**< IxTimeSyncAcc1588PTPMsgType */
 143 {
 144     IX_TIMESYNCACC_1588PTP_MSGTYPE_SYNC,     /**< PTP Sync message sent by Master or received by Slave */
 145     IX_TIMESYNCACC_1588PTP_MSGTYPE_DELAYREQ, /**< PTP Delay_Req message sent by Slave or received by Master */
 146     IX_TIMESYNCACC_1588PTP_MSGTYPE_UNKNOWN   /**< Other PTP and non-PTP message sent or received by both
 147                                                 Master and/or Slave */
 148 } IxTimeSyncAcc1588PTPMsgType;
 149
 150 /**
 151  * Section for struct
 152  */
 153
 154 /**
 155  * @ingroup IxTimeSyncAcc
 156  *
 157  * @struct IxTimeSyncAccTimeValue
 158  *
 159  * @brief Struct to hold 64 bit SystemTime and TimeStamp values
 160  */
 161 typedef struct  /**< IxTimeSyncAccTimeValue */
 162 {
 163     UINT32 timeValueLowWord;               /**< Lower 32 bits of the time value */
 164     UINT32 timeValueHighWord;              /**< Upper 32 bits of the time value */
 165 } IxTimeSyncAccTimeValue;
 166
 167 /**
 168  * @ingroup IxTimeSyncAcc
 169  *
 170  * @struct IxTimeSyncAccUuid
 171  *
 172  * @brief Struct to hold 48 bit UUID values captured in Sync or Delay_Req messages
 173  */
 174 typedef struct  /**< IxTimeSyncAccUuid */
 175 {
 176     UINT32 uuidValueLowWord;               /**<The lower 32 bits of the UUID */
 177     UINT16 uuidValueHighHalfword;          /**<The upper 16 bits of the UUID */
 178 } IxTimeSyncAccUuid;
 179
 180 /**
 181  * @ingroup IxTimeSyncAcc
 182  *
 183  * @struct IxTimeSyncAccPtpMsgData
 184  *
 185  * @brief Struct for data from the PTP message returned when TimeStamp available
 186  */
 187 typedef struct  /**< IxTimeSyncAccPtpMsgData */
 188 {
 189     IxTimeSyncAcc1588PTPMsgType ptpMsgType; /**< PTP Messages type */
 190     IxTimeSyncAccTimeValue ptpTimeStamp;    /**< 64 bit TimeStamp value from PTP Message */
 191     IxTimeSyncAccUuid ptpUuid;              /**< 48 bit UUID value from the PTP Message */
 192     UINT16 ptpSequenceNumber;               /**< 16 bit Sequence Number from PTP Message */
 193 } IxTimeSyncAccPtpMsgData;
 194
 195 /**
 196  * @ingroup IxTimeSyncAcc
 197  *
 198  * @struct IxTimeSyncAccStats
 199  *
 200  * @brief Statistics for the PTP messages
 201  */
 202 typedef struct  /**< IxTimeSyncAccStats */
 203 {
 204     UINT32 rxMsgs; /**< Count of timestamps for received PTP Messages */
 205     UINT32 txMsgs; /**< Count of timestamps for transmitted PTP Messages */
 206 } IxTimeSyncAccStats;
 207
 208 /**
 209  * @ingroup IxTimeSyncAcc
 210  *
 211  * @typedef IxTimeSyncAccTargetTimeCallback
 212  *
 213  * @brief Callback for use by target time stamp interrupt
 214  */
 215 typedef void (*IxTimeSyncAccTargetTimeCallback)(IxTimeSyncAccTimeValue targetTime);
 216
 217 /**
 218  * @ingroup IxTimeSyncAcc
 219  *
 220  * @typedef IxTimeSyncAccAuxTimeCallback
 221  *
 222  * @brief Callback for use by auxiliary time interrupts
 223  */
 224 typedef void (*IxTimeSyncAccAuxTimeCallback)(IxTimeSyncAccAuxMode auxMode,
 225              IxTimeSyncAccTimeValue auxTime);
 226
 227 /*
 228  * Section for prototypes interface functions
 229  */
 230
 231 /**
 232  * @ingroup IxTimeSyncAcc
 233  *
 234  * @fn IxTimeSyncAccStatus ixTimeSyncAccPTPPortConfigSet(
 235                                IxTimeSyncAcc1588PTPPort ptpPort,
 236                                IxTimeSyncAcc1588PTPPortMode ptpPortMode)
 237  *
 238  * @brief Configures the IEEE 1588 message detect on particular PTP port.
 239  *
 240  * @param ptpPort [in] - PTP port to config
 241  * @param ptpPortMode [in]- Port to operate in Master or Slave mode
 242  *
 243  * This API will enable the time stamping on a particular PTP port.
 244  *
 245  * @li Re-entrant   : No
 246  * @li ISR Callable : No
 247  *
 248  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 249  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 250  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 251  */
 252 PUBLIC IxTimeSyncAccStatus
 253 ixTimeSyncAccPTPPortConfigSet(IxTimeSyncAcc1588PTPPort ptpPort,
 254        IxTimeSyncAcc1588PTPPortMode ptpPortMode);
 255
 256 /**
 257  * @ingroup IxTimeSyncAcc
 258  *
 259  * @fn IxTimeSyncAccStatus ixTimeSyncAccPTPPortConfigGet(
 260                                IxTimeSyncAcc1588PTPPort ptpPort,
 261                                IxTimeSyncAcc1588PTPPortMode *ptpPortMode)
 262  *
 263  * @brief Retrieves IEEE 1588 PTP operation mode on particular PTP port.
 264  *
 265  * @param ptpPort [in] - PTP port
 266  * @param ptpPortMode [in]- Mode of operation of PTP port (Master or Slave)
 267  *
 268  * This API will identify the time stamping capability of a PTP port by means
 269  * of obtaining its mode of operation.
 270  *
 271  * @li Re-entrant   : No
 272  * @li ISR Callable : No
 273  *
 274  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 275  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 276  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 277  */
 278 PUBLIC IxTimeSyncAccStatus
 279 ixTimeSyncAccPTPPortConfigGet(IxTimeSyncAcc1588PTPPort ptpPort,
 280     IxTimeSyncAcc1588PTPPortMode *ptpPortMode);
 281
 282 /**
 283  * @ingroup IxTimeSyncAcc
 284  *
 285  * @fn IxTimeSyncAccStatus ixTimeSyncAccPTPRxPoll(
 286                                IxTimeSyncAcc1588PTPPort ptpPort,
 287                                IxTimeSyncAccPtpMsgData  *ptpMsgData)
 288  *
 289  * @brief Polls the IEEE 1588 message/time stamp detect status on a particular
 290  * PTP Port on the Receive side.
 291  *
 292  * @param ptpPort [in] - PTP port to poll
 293  * @param ptpMsgData [out] - Current TimeStamp and other Data
 294  *
 295  * This API will poll for the availability of a time stamp on the received Sync
 296  * (Slave) or Delay_Req (Master) messages.
 297  * The client application will provide the buffer.
 298  *
 299  * @li Re-entrant   : No
 300  * @li ISR Callable : No
 301  *
 302  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 303  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 304  *         @li IX_TIMESYNCACC_NOTIMESTAMP - No time stamp available
 305  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 306  */
 307 PUBLIC IxTimeSyncAccStatus
 308 ixTimeSyncAccPTPRxPoll(IxTimeSyncAcc1588PTPPort ptpPort,
 309     IxTimeSyncAccPtpMsgData  *ptpMsgData);
 310
 311 /**
 312  * @ingroup IxTimeSyncAcc
 313  *
 314  * @fn IxTimeSyncAccStatus ixTimeSyncAccPTPTxPoll(
 315                                IxTimeSyncAcc1588PTPPort ptpPort,
 316                                IxTimeSyncAccPtpMsgData  *ptpMsgData)
 317  *
 318  *
 319  * @brief Polls the IEEE 1588 message/time stamp detect status on a particular
 320  * PTP Port on the Transmit side.
 321  *
 322  * @param ptpPort [in] - PTP port to poll
 323  * @param ptpMsgData [out] - Current TimeStamp and other Data
 324  *
 325  * This API will poll for the availability of a time stamp on the transmitted
 326  * Sync (Master) or Delay_Req (Slave) messages.
 327  * The client application will provide the buffer.
 328  *
 329  * @li Re-entrant   : No
 330  * @li ISR Callable : No
 331  *
 332  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 333  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 334  *         @li IX_TIMESYNCACC_NOTIMESTAMP - No time stamp available
 335  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 336  */
 337 PUBLIC IxTimeSyncAccStatus
 338 ixTimeSyncAccPTPTxPoll(IxTimeSyncAcc1588PTPPort ptpPort,
 339     IxTimeSyncAccPtpMsgData  *ptpMsgData);
 340
 341 /**
 342  * @ingroup IxTimeSyncAcc
 343  *
 344  * @fn IxTimeSyncAccStatus ixTimeSyncAccSystemTimeSet(
 345                                IxTimeSyncAccTimeValue systemTime)
 346  *
 347  * @brief Sets the System Time in the IEEE 1588 hardware assist block
 348  *
 349  * @param systemTime [in] - Value to set System Time
 350  *
 351  * This API will set the SystemTime to given value.
 352  *
 353  * @li Re-entrant   : yes
 354  * @li ISR Callable : no
 355  *
 356  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 357  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 358  */
 359 PUBLIC IxTimeSyncAccStatus
 360 ixTimeSyncAccSystemTimeSet(IxTimeSyncAccTimeValue systemTime);
 361
 362 /**
 363  * @ingroup IxTimeSyncAcc
 364  *
 365  * @fn IxTimeSyncAccStatus ixTimeSyncAccSystemTimeGet(
 366                                IxTimeSyncAccTimeValue *systemTime)
 367  *
 368  * @brief Gets the System Time from the IEEE 1588 hardware assist block
 369  *
 370  * @param systemTime [out] - Copy the current System Time into the client
 371  * application provided buffer
 372  *
 373  * This API will get the SystemTime from IEEE1588 block and return to client
 374  *
 375  * @li Re-entrant   : no
 376  * @li ISR Callable : no
 377  *
 378  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 379  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 380  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 381  */
 382 PUBLIC IxTimeSyncAccStatus
 383 ixTimeSyncAccSystemTimeGet(IxTimeSyncAccTimeValue *systemTime);
 384
 385 /**
 386  * @ingroup IxTimeSyncAcc
 387  *
 388  * @fn IxTimeSyncAccStatus ixTimeSyncAccTickRateSet(
 389                                UINT32 tickRate)
 390  *
 391  * @brief Sets the Tick Rate (Frequency Scaling Value) in the IEEE 1588
 392  * hardware assist block
 393  *
 394  * @param tickRate [in] - Value to set Tick Rate
 395  *
 396  * This API will set the Tick Rate (Frequency Scaling Value) in the IEEE
 397  * 1588 block to the given value. The Accumulator register (not client
 398  * visible) is incremented by this TickRate value every clock cycle. When
 399  * the Accumulator overflows, the SystemTime is incremented by one. This
 400  * TickValue can therefore be used to adjust the system timer.
 401  *
 402  * @li Re-entrant   : yes
 403  * @li ISR Callable : no
 404  *
 405  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 406  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 407  */
 408 PUBLIC IxTimeSyncAccStatus
 409 ixTimeSyncAccTickRateSet(UINT32 tickRate);
 410
 411 /**
 412  * @ingroup IxTimeSyncAcc
 413  *
 414  * @fn IxTimeSyncAccStatus ixTimeSyncAccTickRateGet(
 415                                UINT32 *tickRate)
 416  *
 417  * @brief Gets the Tick Rate (Frequency Scaling Value) from the IEEE 1588
 418  * hardware assist block
 419  *
 420  * @param tickRate [out] - Current Tick Rate value in the IEEE 1588 block
 421  *
 422  * This API will get the TickRate on IEE15588 block. Refer to @ref
 423  * ixTimeSyncAccTickRateSet for notes on usage of this value.
 424  *
 425  * @li   Reentrant    : yes
 426  * @li   ISR Callable : no
 427  *
 428  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 429  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 430  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 431  */
 432 PUBLIC IxTimeSyncAccStatus
 433 ixTimeSyncAccTickRateGet(UINT32 *tickRate);
 434
 435 /**
 436  * @ingroup IxTimeSyncAcc
 437  *
 438  * @fn IxTimeSyncAccStatus ixTimeSyncAccTargetTimeInterruptEnable(
 439                                IxTimeSyncAccTargetTimeCallback targetTimeCallback)
 440  *
 441  * @brief Enables the interrupt to verify the condition where the System Time
 442  * greater or equal to the Target Time in the IEEE 1588 hardware assist block.
 443  * If the condition is true an interrupt will be sent to XScale.
 444  *
 445  * @param targetTimeCallback [in] - Callback to be invoked when interrupt fires
 446  *
 447  * This API will enable the Target Time reached/hit condition interrupt.
 448  *
 449  * NOTE: The client application needs to ensure that the APIs
 450  * @ref ixTimeSyncAccTargetTimeInterruptEnable, @ref ixTimeSyncAccTargetTimeSet and
 451  * @ref ixTimeSyncAccTargetTimeInterruptDisable are accessed in mutual exclusive
 452  * manner with respect to each other.
 453  *
 454  * @li Re-entrant   : no
 455  * @li ISR Callable : yes
 456  *
 457  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 458  *         @li IX_TIMESYNCACC_INVALIDPARAM - Null parameter passed for callback
 459  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 460  */
 461 PUBLIC IxTimeSyncAccStatus
 462 ixTimeSyncAccTargetTimeInterruptEnable(IxTimeSyncAccTargetTimeCallback targetTimeCallback);
 463
 464 /**
 465  * @ingroup IxTimeSyncAcc
 466  *
 467  * @fn IxTimeSyncAccStatus ixTimeSyncAccTargetTimeInterruptDisable(
 468                                void)
 469  *
 470  * @brief Disables the interrupt for the condition explained in the function
 471  * description of @ref ixTimeSyncAccTargetTimeInterruptEnable.
 472  *
 473  * This API will disable the Target Time interrupt.
 474  *
 475  * NOTE: The client application needs to ensure that the APIs
 476  * @ref ixTimeSyncAccTargetTimeInterruptEnable, @ref ixTimeSyncAccTargetTimeSet and
 477  * @ref ixTimeSyncAccTargetTimeInterruptDisable are accessed in mutual exclusive
 478  * manner with respect to each other.
 479  *
 480  * @li Re-entrant   : no
 481  * @li ISR Callable : yes
 482  *
 483  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 484  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 485  */
 486 PUBLIC IxTimeSyncAccStatus
 487 ixTimeSyncAccTargetTimeInterruptDisable(void);
 488
 489 /**
 490  * @ingroup IxTimeSyncAcc
 491  *
 492  * @fn IxTimeSyncAccStatus ixTimeSyncAccTargetTimePoll(
 493                                BOOL *ttmPollFlag,
 494                                IxTimeSyncAccTimeValue *targetTime)
 495  *
 496  * @brief Poll to verify the condition where the System Time greater or equal to
 497  * the Target Time in the IEEE 1588 hardware assist block. If the condition is
 498  * true an event flag is set in the hardware.
 499  *
 500  * @param ttmPollFlag [out] - TRUE  if the target time reached/hit condition event set
 501  *                            FALSE if the target time reached/hit condition event is
 502                                     not set
 503  * @param targetTime [out] - Capture current targetTime into client provided buffer
 504  *
 505  * Poll the target time reached/hit condition status. Return true and the current
 506  * target time value, if the condition is true else return false.
 507  *
 508  * NOTE: The client application will need to clear the event flag that will be set
 509  * as long as the condition that the System Time greater or equal to the Target Time is
 510  * valid, in one of the following ways:
 511  *     1) Invoke the API to change the target time
 512  *     2) Change the system timer value
 513  *
 514  * @li Re-entrant   : yes
 515  * @li ISR Callable : no
 516  *
 517  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 518  *         @li IX_TIMESYNCACC_INVALIDPARAM - Null parameter passed
 519  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 520  *         @li IX_TIMESYNCACC_INTERRUPTMODEINUSE - Interrupt mode in use
 521  */
 522 PUBLIC IxTimeSyncAccStatus
 523 ixTimeSyncAccTargetTimePoll(BOOL *ttmPollFlag,
 524     IxTimeSyncAccTimeValue *targetTime);
 525
 526 /**
 527  * @ingroup IxTimeSyncAcc
 528  *
 529  * @fn IxTimeSyncAccStatus ixTimeSyncAccTargetTimeSet(
 530                                IxTimeSyncAccTimeValue targetTime)
 531  *
 532  * @brief Sets the Target Time in the IEEE 1588 hardware assist block
 533  *
 534  * @param targetTime [in] - Value to set Target Time
 535  *
 536  * This API will set the Target Time to a given value.
 537  *
 538  * NOTE: The client application needs to ensure that the APIs
 539  * @ref ixTimeSyncAccTargetTimeInterruptEnable, @ref ixTimeSyncAccTargetTimeSet and
 540  * @ref ixTimeSyncAccTargetTimeInterruptDisable are accessed in mutual exclusive
 541  * manner with respect to each other.
 542  *
 543  * @li   Reentrant    : no
 544  * @li   ISR Callable : yes
 545  *
 546  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 547  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 548  */
 549 PUBLIC IxTimeSyncAccStatus
 550 ixTimeSyncAccTargetTimeSet(IxTimeSyncAccTimeValue targetTime);
 551
 552 /**
 553  * @ingroup IxTimeSyncAcc
 554  *
 555  * @fn IxTimeSyncAccStatus ixTimeSyncAccTargetTimeGet(
 556                                IxTimeSyncAccTimeValue *targetTime)
 557  *
 558  * @brief Gets the Target Time in the IEEE 1588 hardware assist block
 559  *
 560  * @param targetTime [out] - Copy current time to client provided buffer
 561  *
 562  * This API will get the Target Time from IEEE 1588 block and return to the
 563  * client application
 564  *
 565  * @li Re-entrant   : yes
 566  * @li ISR Callable : no
 567  *
 568  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 569  *         @li IX_TIMESYNCACC_INVALIDPARAM - Null parameter passed
 570  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 571  */
 572 PUBLIC IxTimeSyncAccStatus
 573 ixTimeSyncAccTargetTimeGet(IxTimeSyncAccTimeValue *targetTime);
 574
 575 /**
 576  * @ingroup IxTimeSyncAcc
 577  *
 578  * @fn IxTimeSyncAccStatus ixTimeSyncAccAuxTimeInterruptEnable(
 579                                IxTimeSyncAccAuxMode auxMode,
 580                                IxTimeSyncAccAuxTimeCallback auxTimeCallback)
 581  *
 582  * @brief Enables the interrupt notification for the given mode of Auxiliary Time
 583  * Stamp in the IEEE 1588 hardware assist block
 584  *
 585  * @param auxMode [in] - Auxiliary time stamp register (slave or master) to use
 586  * @param auxTimeCallback [in] - Callback to be invoked when interrupt fires
 587  *
 588  * This API will enable the Auxiliary Master/Slave Time stamp Interrupt.
 589  *
 590  * <pre>
 591  * NOTE: 1) An individual callback is to be registered for each Slave and Master
 592  * Auxiliary Time Stamp registers. Thus to register for both Master and Slave time
 593  * stamp interrupts either the same callback or two separate callbacks the API has
 594  * to be invoked twice.
 595  *       2) On the IXDP465 Development Platform, the Auxiliary Timestamp signal for
 596  * slave mode is tied to GPIO 8 pin. This signal is software routed by default to
 597  * PCI for backwards compatibility with the IXDP425 Development Platform. This
 598  * routing must be disabled for the auxiliary slave time stamp register to work
 599  * properly. The following commands may be used to accomplish this. However, refer
 600  * to the IXDP465 Development Platform Users Guide or the BSP/LSP documentation for
 601  * more specific information.
 602  *
 603  * For Linux (at the Redboot prompt i.e., before loading zImage):
 604  *     mfill -b 0x54100000 -1 -l 1 -p 8
 605  *     mfill -b 0x54100001 -1 -l 1 -p 0x7f
 606  * For vxWorks, at the prompt:
 607  *     intDisable(25)
 608  *     ixdp400FpgaIODetach(8)
 609  * </pre>
 610  *
 611  * @li Re-entrant   : no
 612  * @li ISR Callable : no
 613  *
 614  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 615  *         @li IX_TIMESYNCACC_INVALIDPARAM - Null parameter passed for callback or
 616                                             invalid auxiliary snapshot mode
 617  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 618  */
 619 PUBLIC IxTimeSyncAccStatus
 620 ixTimeSyncAccAuxTimeInterruptEnable(IxTimeSyncAccAuxMode auxMode,
 621     IxTimeSyncAccAuxTimeCallback auxTimeCallback);
 622
 623 /**
 624  * @ingroup IxTimeSyncAcc
 625  *
 626  * @fn IxTimeSyncAccStatus ixTimeSyncAccAuxTimeInterruptDisable(
 627                                IxTimeSyncAccAuxMode auxMode)
 628  *
 629  * @brief Disables the interrupt for the indicated mode of Auxiliary Time Stamp
 630  * in the IEEE 1588 hardware assist block
 631  *
 632  * @param auxMode [in] - Auxiliary time stamp mode (slave or master) using which
 633  * the interrupt will be disabled.
 634  *
 635  * This API will disable the Auxiliary Time Stamp Interrupt (Master or Slave)
 636  *
 637  * @li Re-entrant   : yes
 638  * @li ISR Callable : no
 639  *
 640  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 641  *         @li IX_TIMESYNCACC_INVALIDPARAM - Invalid parameters passed
 642  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 643  */
 644 PUBLIC IxTimeSyncAccStatus
 645 ixTimeSyncAccAuxTimeInterruptDisable(IxTimeSyncAccAuxMode auxMode);
 646
 647 /**
 648  * @ingroup IxTimeSyncAcc
 649  *
 650  * @fn IxTimeSyncAccStatus ixTimeSyncAccAuxTimePoll(
 651                                IxTimeSyncAccAuxMode auxMode,
 652                                BOOL *auxPollFlag,
 653                                IxTimeSyncAccTimeValue *auxTime)
 654  *
 655  * @brief Poll for the Auxiliary Time Stamp captured for the mode indicated
 656  * (Master or Slave)
 657  *
 658  * @param auxMode [in] - Auxiliary Snapshot Register (Slave or Master) to be checked
 659  * @param auxPollFlag [out] - TRUE if the time stamp captured in auxiliary
 660                                    snapshot register
 661  *                            FALSE if the time stamp not captured in
 662                                    auxiliary snapshot register
 663  * @param auxTime [out] - Copy the current Auxiliary Snapshot Register value into the
 664  * client provided buffer
 665  *
 666  * Polls for the Time stamp in the appropriate Auxiliary Snapshot Registers based
 667  * on the mode specified. Return true and the contents of the Auxiliary snapshot,
 668  * if it is available else return false.
 669  *
 670  * Please refer to the note #2 of the API @ref ixTimeSyncAccAuxTimeInterruptEnable
 671  * for more information for Auxiliary Slave mode.
 672  *
 673  * @li Re-entrant   : yes
 674  * @li ISR Callable : no
 675  *
 676  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 677  *         @li IX_TIMESYNCACC_INVALIDPARAM - Null parameter passed for auxPollFlag,
 678                    callback or invalid auxiliary snapshot mode
 679  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 680  *         @li IX_TIMESYNCACC_INTERRUPTMODEINUSE - Interrupt mode in use
 681  */
 682 PUBLIC IxTimeSyncAccStatus
 683 ixTimeSyncAccAuxTimePoll(IxTimeSyncAccAuxMode auxMode,
 684     BOOL *auxPollFlag,
 685     IxTimeSyncAccTimeValue *auxTime);
 686
 687 /**
 688  * @ingroup IxTimeSyncAcc
 689  *
 690  * @fn IxTimeSyncAccStatus ixTimeSyncAccReset(void)
 691  *
 692  * @brief Resets the IEEE 1588 hardware assist block
 693  *
 694  * Sets the reset bit in the IEEE1588 silicon which fully resets the silicon block
 695  *
 696  * @li Reentrant    : yes
 697  * @li ISR Callable : no
 698  *
 699  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 700  *         @li IX_TIMESYNCACC_FAILED  - Internal error occurred
 701  */
 702 PUBLIC IxTimeSyncAccStatus
 703 ixTimeSyncAccReset(void);
 704
 705 /**
 706  * @ingroup IxTimeSyncAcc
 707  *
 708  * @fn IxTimeSyncAccStatus ixTimeSyncAccStatsGet(IxTimeSyncAccStats
 709                                *timeSyncStats)
 710  *
 711  * @brief Returns the IxTimeSyncAcc Statistics in the client supplied buffer
 712  *
 713  * @param timeSyncStats [out] - TimeSync statistics counter values
 714  *
 715  * This API will return the statistics of the received or transmitted messages.
 716  *
 717  * NOTE: 1) These counters are updated only when the client polls for the time
 718  * stamps or interrupt are enabled. This is because the IxTimeSyncAcc module
 719  * does not either transmit or receive messages and does only run the code
 720  * when explicit requests received by client application.
 721  *
 722  *       2) These statistics reflect the number of valid PTP messages exchanged
 723  * in Master and Slave modes but includes all the messages (including valid
 724  * non-PTP messages) while operating in the Any mode.
 725  *
 726  * @li Reentrant    : no
 727  * @li ISR Callable : no
 728  *
 729  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 730  *         @li IX_TIMESYNCACC_INVALIDPARAM - NULL parameter passed
 731  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 732  */
 733 PUBLIC IxTimeSyncAccStatus
 734 ixTimeSyncAccStatsGet(IxTimeSyncAccStats *timeSyncStats);
 735
 736 /**
 737  * @ingroup IxTimeSyncAcc
 738  *
 739  * @fn void ixTimeSyncAccStatsReset(void)
 740  *
 741  * @brief Reset Time Sync statistics
 742  *
 743  * This API will reset the statistics counters of the TimeSync access layer.
 744  *
 745  * @li Reentrant    : yes
 746  * @li ISR Callable:  no
 747  *
 748  * @return @li None
 749  */
 750 PUBLIC void
 751 ixTimeSyncAccStatsReset(void);
 752
 753 /**
 754  * @ingroup IxTimeSyncAcc
 755  *
 756  * @fn IxTimeSyncAccStatus ixTimeSyncAccShow(void)
 757  *
 758  * @brief Displays the Time Sync current status
 759  *
 760  * This API will display status on the current configuration of the IEEE
 761  * 1588 hardware assist block, contents of the various time stamp registers,
 762  * outstanding interrupts and/or events.
 763  *
 764  * Note that this is intended for debug only, and in contrast to the other
 765  * functions, it does not clear the any of the status bits associated with
 766  * active timestamps and so is passive in its nature.
 767  *
 768  * @li Reentrant    : yes
 769  * @li ISR Callable : no
 770  *
 771  * @return @li IX_TIMESYNCACC_SUCCESS - Operation is successful
 772  *         @li IX_TIMESYNCACC_FAILED - Internal error occurred
 773  */
 774 PUBLIC IxTimeSyncAccStatus
 775 ixTimeSyncAccShow(void);
 776
 777 #endif /* __ixp46X */
 778 #endif /* IXTIMESYNCACC_H */
 779
 780 /**
 781  * @} defgroup IxTimeSyncAcc
 782  */
 783