fb84c34dbdd7dac15c8e199ff7cebec253dcbf3b
2 /*
3 Copyright (c) 2016, Texas Instruments Incorporated - http://www.ti.com/
4 All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the
16 * distribution.
17 *
18 * Neither the name of Texas Instruments Incorporated nor the names of
19 * its contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 */
36 /*
37 * ======== audioStreamInpProcNewIo.c ========
38 */
39 #include <xdc/runtime/Log.h>
40 #include <ti/sysbios/BIOS.h>
41 #include <xdc/runtime/Error.h>
42 #include <ti/sysbios/knl/Event.h>
44 #include "procsdk_audio_typ.h"
45 #include "audioStreamInpProc.h"
46 #include "audioStreamProc_common.h"
47 #include "aspMsg_common.h"
48 #include "aspMsg_master.h"
49 #include "asperr.h"
50 #include "common.h"
52 #include "aud.h"
53 #include "aud_audio.h"
54 #include "mcasp_cfg.h"
55 #include "ioConfig.h" //TODO: remove this header
56 #include "ioBuff.h"
57 #include "ioPhy.h"
58 #include "ioData.h"
61 #define STRIDE_WORST_CASE 32 // 4-byte (32-bit) word, 2 slots, 4 serializers
63 //#define DEBUG_SKIP_DECODING
65 #define SYNC_PC_MASK 0x1F
66 #define SYNC_SUBTYPE_MASK 0x700
67 #define SYNC_SUBTYPE_SHIFT 8
68 #define SYNC_SUBTYPE_DTSHD 0x11
69 #define SYNC_DDP 0x15
70 #define SYNC_THD 0x16
72 #define IEC_HEADER_LENGTH 4
74 #define INPUT_SWITCH_HANGOVER 8
76 //table needed until PAF_SOURCE is reordered to match IEC numbering
77 const SmUns IECpafSource[23] =
78 {
79 PAF_SOURCE_UNKNOWN, // 0: IEC NULL Type
80 PAF_SOURCE_AC3, // 1: Comments on 1-15 match IEC 61937 part 2.
81 PAF_SOURCE_UNKNOWN, // 2: IEC reserved
82 PAF_SOURCE_UNKNOWN, // 3: IEC pause
83 PAF_SOURCE_UNKNOWN, // 4: MPEG 1 layer 1
84 PAF_SOURCE_MP3, // 5: MPEG layer 2 or 3
85 PAF_SOURCE_UNKNOWN, // 6: MPEG 2 data with extension
86 PAF_SOURCE_AAC, // 7: MPEG-2 AAC ADTS
87 PAF_SOURCE_UNKNOWN, // 8: MPEG 2 layer 1 low sampling frequency
88 PAF_SOURCE_UNKNOWN, // 9: MPEG 2 layer 2 or 3 low sampling frequency
89 PAF_SOURCE_UNKNOWN, // 10: reserved
90 PAF_SOURCE_DTS, // 11: DTS type 1 (11 bit: 512 sample repeat period)
91 PAF_SOURCE_DTS12, // 12: DTS type 2 (12 bit: 1024 sample repeat period)
92 PAF_SOURCE_DTS13, // 13: DTS type 3 (13 bit: 2048 sample repeat period)
93 PAF_SOURCE_DTS14, // 14: ATRAC
94 PAF_SOURCE_UNKNOWN, // 15: ATRAC 2/3
95 PAF_SOURCE_THD, // 16
96 PAF_SOURCE_DTSHD, // 17
97 PAF_SOURCE_WMA9PRO, // 18
98 PAF_SOURCE_UNKNOWN, // 19
99 PAF_SOURCE_UNKNOWN, // 20
100 PAF_SOURCE_DDP, // 21
101 PAF_SOURCE_THD, // 22
102 };
104 /*
105 * Functions defined in other files and to be put into proper header files
106 */
107 extern Void taskAsipFxnInit(const PAF_ASIT_Params *pP,const PAF_ASIT_Patchs *pQ);
110 // avoid including sap_d10.h, which would cause symbol redefinition
111 // warning (MCASP_PFUNC_XXX)
112 extern XDAS_Int32 D10_init(void * pD10Params);
114 extern XDAS_Int32 D10_RxControl(const void *pD10RxParams,
115 XDAS_Int32 code, XDAS_Int32 arg);
117 /*
118 * Functions only used in this file
119 */
120 int asitPrepareProcessing();
121 int asitIoCompsInit(PAF_AST_InpBuf * pInpBuf, PAF_AST_IoInp * pInpIo);
122 void asitProcInit(PAF_AST_IoInp *pInp, asipDecProc_t *pDec);
123 void asitIoPhyPrime(PAF_AST_IoInp *pInpIo);
124 void asitPhyTransferComplete(PAF_AST_IoInp * pInpIo);
125 void asitPhyTransferStart(PAF_AST_IoInp *pInpIo);
126 Int asitRecfgPhyXfer(PAF_AST_IoInp *pInp, size_t xferSize);
128 // Select Input devices
129 Int asitSelectDevices(
130 const PAF_ASIT_Patchs *pQ,
131 PAF_AST_Config *pAstCfg,
132 PAF_AST_IoInp *pInp
133 );
135 Int asitUpdateInputStatus(const void *pRxParams, PAF_InpBufStatus *pStatus,
136 PAF_InpBufConfig *pInpBuf);
138 Int asitSourceDetection(const PAF_ASIT_Params *pP,
139 const PAF_ASIT_Patchs *pQ,
140 PAF_ASIT_Config *pAsitCfg);
142 Int asitDecideSource(PAF_AST_Config *pAstCfg, PAF_AST_IoInp *pInp,
143 ioDataAutoDetStat_t *autoDetStatus);
144 Int asitUpdateIoComps(const PAF_ASIT_Params *pP, PAF_AST_Config *pAstCfg,
145 PAF_AST_IoInp *pInp, ioDataAutoDetStat_t *autoDetStatus);
146 Int asitBypassIoData(PAF_AST_IoInp *pInp);
147 Int asitPcmTransition(PAF_ASIT_Config *pAsitCfg);
149 void asitUpdateInpBufConfig(PAF_AST_Config *pAstCfg, PAF_AST_IoInp *pInp);
150 Int asitInputDataProcess(PAF_AST_IoInp *pInp, ioDataAutoDetStat_t *pAutoDetStats);
152 UInt asitEventsToDecMsg(UInt asitEvents);
153 void asitErrorHandling(PAF_ASIT_Config *pAsitCfg, Int asitErr);
154 Int asitEvtErrCheck(UInt actualEvents, UInt expectedEvents);
156 void asitPostInfoEvent();
157 void asitPostDecEvent();
159 /*
160 * variables/structures to be put into proper global structures
161 */
162 extern PAF_ASIT_Config gPAF_ASIT_config;
163 extern const MdUns iecFrameLength[23];
164 extern Ptr hMcaspRxChan;
166 // temp for simulation
167 //#define ASIT_ALL_EVENTS ( ASIT_EVTMSK_INPDATA \
168 // + ASIT_EVTMSK_INFOACK \
169 // + ASIT_EVTMSK_DECACK )
170 #define ASIT_ALL_EVENTS ( ASIT_EVTMSK_INPDATA \
171 + ASIT_EVTMSK_RXACK )
173 // temp for simulation
174 //#define ASIT_DEC_EVENTS ( ASIT_EVTMSK_INPDATA \
175 // + ASIT_EVTMSK_INFOACK \
176 // + ASIT_EVTMSK_DECACK )
177 #define ASIT_DEC_EVENTS ( ASIT_EVTMSK_INPDATA \
178 + ASIT_EVTMSK_RXACK )
180 #define ASIP_DEBUG
182 #ifdef ASIP_DEBUG
183 /* define the following as global variables for easy debugging */
184 int asipLoopCount1, asipLoopCount2;
185 Int asipErrno;
186 Int inputReadyForProcessing;
188 // debug
189 #include "evmc66x_gpio_dbg.h"
190 #endif
192 Event_Handle gAsitEvtHandle; // ASIT event handle
193 Int eventsOn; // flag indicating whether to process events
195 SyncEvent_Handle gAsitSyncEvtHandle; // ASIT Sync event handle
197 /*
198 * ======== taskAsipFxn ========
199 * Audio Stream Input Processing task function
200 */
201 #ifndef PASDK_SIO_DEV
202 #ifndef IO_LOOPBACK_TEST
203 Void taskAsipFxn( // ASIP task function for new I/O
204 #else
205 Void taskAsipFxn_NewIO_Not_Used( // not used for loopback test
206 #endif
207 #else
208 Void taskAsipFxn_NewIO_Not_USED( // not used for SIO/DEV based I/O
209 #endif
210 const PAF_ASIT_Params *pP,
211 const PAF_ASIT_Patchs *pQ)
212 {
213 PAF_ASIT_Config *pAsitCfg; /* ASIT configuration pointer */
214 PAF_AST_Config *pAstCfg; /* AST Common (shared) configuration pointer */
215 PAF_AST_IoInp *pInp; /* Input I/O components */
216 Int as; /* Audio Stream Number (1, 2, etc.) */
217 Int z; /* input/encode/stream/decode/output counter */
218 Int zMI;
219 #ifndef ASIP_DEBUG
220 int asipLoopCount1, asipLoopCount2;
221 Int asipErrno;
222 Int inputReadyForProcessing;
223 #endif
224 Int asitErr;
225 UInt events;
226 // Int eventsOn;
227 // Error_Block eb;
229 Log_info0("Enter taskAsipFxn()");
231 taskAsipFxnInit(pP, pQ); // initialization of input task
233 //
234 // Audio Stream Input Task Configuration (*pAsitCfg):
235 //
236 pAsitCfg = &gPAF_ASIT_config; // initialize pointer to task configuration
237 pAstCfg = pAsitCfg->pAstCfg; // pointer to AST common (shared) configuration
239 /* Set Audio Stream Number (1, 2, etc.) */
240 as = pAstCfg->as;
242 //
243 // Determine decoder and stream indices associated with the master input
244 //
245 zMI = pP->zone.master;
246 pInp = &pAsitCfg->pIoInp[zMI]; // pointer to input I/O components
248 for (z=STREAM1; z < STREAMN; z++)
249 {
250 TRACE_VERBOSE1("TaskAsip: AS%d: running", as+z);
251 }
253 Log_info0("TaskAsip: Entering Main Loop.");
255 //
256 // Main processing loop
257 //
258 asipLoopCount1 = 0;
259 asipLoopCount2 = 0;
260 asitErr = ASIT_NO_ERR;
262 // The events_on flag will be removed if the RESTART state is changed to
263 // event-based scheduling instead of polling
264 eventsOn = FALSE;
266 for (;;)
267 {
268 asipLoopCount1++;
270 if(eventsOn) {
271 events = Event_pend(gAsitEvtHandle, ASIT_EVTMSK_NONE, ASIT_ALL_EVENTS,
272 BIOS_WAIT_FOREVER);
273 }
274 switch (pInp->asipState)
275 {
276 case ASIT_RESET: // No events pending in this state
277 // Indicate decoder no decoding yet
278 pP->fxns->sourceDecode(pP, pQ, pAsitCfg, PAF_SOURCE_NONE);
280 // 5 system tick, or 5 msec. Should remove this later when implementing
281 // event based scheduling.
282 Task_sleep(5);
284 inputReadyForProcessing = asitPrepareProcessing(pP, pQ, pAsitCfg, &asipErrno);
285 if (inputReadyForProcessing) {
286 TRACE_VERBOSE0("TaskAsip: Input is ready. Initialize I/O components.");
287 // Input is ready for processing, so we initialize the I/O components.
288 // Note that the I/O components init. and I/O PHY prime are performed only
289 // at the first time. This should be changed later - init. and prime
290 // should be done whenever input interface has changed.
291 asitErr = asitIoCompsInit(&pAstCfg->xInp[zMI], pInp);
293 // Initialize ASIT processing
294 asitProcInit(pInp, &pAsitCfg->inpDec);
295 pInp->asipState = ASIT_SOURCE_DETECTION;
296 eventsOn = TRUE; // turn on events pending
297 TRACE_VERBOSE0("TaskAsip: turn on events and go to source detection.");
298 }
299 break;
301 case ASIT_SOURCE_DETECTION:
302 // Source unknown - to detect & identify source
303 if(events == ASIT_EVTMSK_INPDATA) {
304 // Only this event is expected. If any other event, it's error.
305 // Input data is ready - perform source detection.
306 // New state will be decided inside the function
307 asitErr = asitSourceDetection(pP, pQ, pAsitCfg);
308 }
309 else {
310 //Error checking & debug
311 asitErr = asitEvtErrCheck(events, ASIT_EVTMSK_INPDATA);
312 }
314 break;
316 case ASIT_PCM_TRANSITION:
317 // Source is PCM - transition to PCM decoding
318 if(events == ASIT_EVTMSK_INPDATA) {
319 // Only this event is expected. If any other event, it's error.
320 // Input data is ready - transition to PCM decoding
321 // New state will be decided inside the function
322 asitErr = asitPcmTransition(pAsitCfg);
323 }
324 else {
325 //Error checking & debug
326 asitErr = asitEvtErrCheck(events, ASIT_EVTMSK_INPDATA);
327 }
328 break;
330 case ASIT_DECODE_PROCESSING:
331 if(events & ASIT_DEC_EVENTS) {
333 #if 1 // debug
334 if (events & ASIT_EVTMSK_INPDATA)
335 {
336 // shows timing of Input (Rx McASP EDMA)
337 // ADC B5
338 {
339 static Uint8 toggleState = 0;
340 if (toggleState == 0)
341 GPIOSetOutput(GPIO_PORT_0, GPIO_PIN_99);
342 else
343 GPIOClearOutput(GPIO_PORT_0, GPIO_PIN_99);
344 toggleState = ~(toggleState);
345 }
346 }
347 #endif
349 // Decode processing for either PCM or bitstream
350 // New state will be decided inside the function
351 asitErr = asitDecodeProcessing(pP, pQ, pAsitCfg, events);
352 }
353 else {
354 //Error checking & debug
355 asitErr = asitEvtErrCheck(events, ASIT_DEC_EVENTS);
356 }
357 break;
359 default:
360 break;
361 }
363 if(asitErr) {
364 asitErrorHandling(pAsitCfg, asitErr);
366 if(pInp->asipState == ASIT_RESET) {
367 eventsOn = FALSE;
368 }
370 asitErr = ASIT_NO_ERR;
371 }
373 } // for (;;)
375 } /* taskAsipFxn */
378 /*===========================================================================
379 * ASIT Processing Preparation
380 * Output:
381 * - return TRUE (input is ready) or FALSE (input is not ready)
382 * - *asipErrno Error number
383 ============================================================================*/
384 Int asitPrepareProcessing(const PAF_ASIT_Params *pP,
385 const PAF_ASIT_Patchs *pQ,
386 PAF_ASIT_Config *pC,
387 Int *asipErrno)
388 {
389 Int as, zMS, zMI, zMD;
390 Int sourceConfig, mode;
391 PAF_AST_Config *pAstCfg;
392 PAF_AST_IoInp *pInp; /* I/O components for input */
394 pAstCfg = pC->pAstCfg; // pointer to AST common (shared) configuration
395 as = pAstCfg->as;
396 zMI = pP->zone.master;
397 zMD = pAstCfg->masterDec;
398 zMS = pAstCfg->masterStr;
399 pInp = pC->pIoInp; // pointer to input I/O components
401 *asipErrno = 0;
403 // Select source and initialize physical layer / HW interface
404 *asipErrno = asitSelectDevices(pQ, pAstCfg, pInp);
405 if (*asipErrno) {
406 TRACE_TERSE2("asitSelectDevices returned asipErrno = 0x%04x at line %d. AS%d",
407 *asipErrno, as+zMS);
408 return FALSE; // Input is not ready for processing due to error
409 }
411 // If no master input selected then we don't know what may be at the input,
412 // so set to unknown and skip any remaining processing
413 if (!pInp[zMI].pRxParams) {
414 sharedMemWriteInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceProgram),
415 (Int8)PAF_SOURCE_UNKNOWN, GATEMP_INDEX_DEC);
417 TRACE_VERBOSE1("TaskAsip: AS%d: No input selected...", as+zMS);
418 return FALSE; // No error, but input is not ready for processing
419 }
421 // If here then we have a valid input so query its status
422 *asipErrno = asitUpdateInputStatus(pInp[zMI].pRxParams,
423 &pAstCfg->xInp[zMI].inpBufStatus,
424 &pAstCfg->xInp[zMI].inpBufConfig);
425 if(*asipErrno) {
426 TRACE_VERBOSE1("TaskAsip: updateInputStatus returns 0x%x", *asipErrno);
427 return FALSE; // Input is not ready for processing due to error
428 }
430 // If master decoder is not enabled, or the input is unlocked, then do nothing
431 mode = (Int)sharedMemReadInt8(&(pAstCfg->xDec[zMD].decodeStatus.mode),
432 GATEMP_INDEX_DEC);
433 if (!mode || !pAstCfg->xInp[zMI].inpBufStatus.lock)
434 {
435 TRACE_VERBOSE0("TaskAsip: Not locked, continue");
436 return FALSE; // No error, but input is not ready for processing
437 }
439 // Check selected source: sourceSelect is set by another task, AIP or AFP
440 sourceConfig = (Int)sharedMemReadInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceSelect),
441 GATEMP_INDEX_DEC);
442 // If no source selected then do nothing
443 if(sourceConfig == PAF_SOURCE_NONE) {
444 sharedMemWriteInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceProgram),
445 (Int8)PAF_SOURCE_NONE, GATEMP_INDEX_DEC);
446 TRACE_VERBOSE1("TaskAsip: AS%d: no source selected, continue", as+zMS);
447 return FALSE; // No error, but input is not ready for processing
448 }
450 // If we want pass processing then proceed directly
451 if (sourceConfig == PAF_SOURCE_PASS)
452 {
453 TRACE_VERBOSE1("TaskAsip: AS%d: Pass processing ...", as+zMS);
454 sharedMemWriteInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceProgram),
455 (Int8)PAF_SOURCE_PASS, GATEMP_INDEX_DEC);
457 pP->fxns->sourceDecode(pP, pQ, pC, PAF_SOURCE_PASS);
458 if (pP->fxns->passProcessing) {
459 *asipErrno = pP->fxns->passProcessing(pP, pQ, pC, NULL);
460 }
461 else {
462 TRACE_TERSE2("TaskAsip: AS%d: Pass Processing not supported, asipErrno 0x%x",
463 as+zMS, ASPERR_PASS);
464 *asipErrno = ASPERR_PASS;
465 }
467 TRACE_VERBOSE0("TaskAsip: continue");
468 return FALSE; // Error or not, input is not ready for processing
469 }
471 // No error and input processing is ready
472 return TRUE;
473 } /* asitPrepareProcessing */
476 /*===========================================================================
477 * ASIT Source Detection:
478 * ASIT processing for input source identification:
479 * - mark I/O PHY transfer completion
480 * - run auto-detection via I/O DATA in asitInputDataProcess
481 * - mark I/O DATA read completion
482 * - check auto-detection status and take corresponding actions if either
483 * PCM or bitstream is identified:
484 * - decide input source
485 * - update I/O components
486 * - reconfigure McASP LLD if it is PCM
487 * - start next I/O PHY transfer
488 ============================================================================*/
489 Int asitSourceDetection(const PAF_ASIT_Params *pP,
490 const PAF_ASIT_Patchs *pQ,
491 PAF_ASIT_Config *pAsitCfg)
492 {
493 PAF_AST_Config *pAstCfg;
494 PAF_AST_IoInp *pInp; // I/O components for input
495 Int zMD, mcaspErr, asitErr;
496 ioDataAutoDetStat_t autoDetStatus;
498 pAstCfg = pAsitCfg->pAstCfg; // pointer to AST common (shared) configuration
499 zMD = pAstCfg->masterDec;
500 pInp = &pAsitCfg->pIoInp[zMD]; // pointer to input I/O components
502 // Marks I/O PHY transfer and I/O BUFF write complete
503 asitPhyTransferComplete(pInp);
505 // Process input data - either searching SYNC for PCM or checking SYNC for bitstream
506 asitErr = asitInputDataProcess(pInp, &autoDetStatus);
507 if(asitErr != ASIT_NO_ERR) {
508 // Even though there is error, still need to start next transfer to
509 // maintain McASP transfer.
510 asitPhyTransferStart(pInp);
512 return asitErr;
513 }
515 // Mark input data read complete
516 ioDataReadComplete(pInp->hIoData);
518 // Check if bitstream or PCM is detected
519 if( autoDetStatus.syncState == IODATA_SYNC_BITSTREAM
520 || autoDetStatus.syncState == IODATA_SYNC_PCM) {
521 // Decide input source and inform decoder
522 asitErr = asitDecideSource(pAstCfg, pInp, &autoDetStatus);
523 if(asitErr != ASIT_NO_ERR) {
524 return asitErr;
525 }
526 else {
527 // Update I/O components and input buffer config
528 asitUpdateIoComps(pP, pAstCfg, pInp, &autoDetStatus);
530 // set to unknown so that we can ensure, for IOS purposes, that
531 // sourceDecode = NONE iff we are in this top level state machine
532 // and specifically not in decodeProcessing
533 #ifndef DEBUG_SKIP_DECODING
534 pP->fxns->sourceDecode(pP, pQ, pAsitCfg, PAF_SOURCE_UNKNOWN);
535 #endif
537 if(autoDetStatus.syncState == IODATA_SYNC_BITSTREAM) {
538 // Input is bit stream: go to decoding
539 pInp->asipState = ASIT_DECODE_PROCESSING;
540 }
541 else {
542 // Input is PCM: stop swapping data
543 pInp->swapData = FALSE;
545 // Reconfigure McASP LLD to transfer 32-bit unpacked data
546 mcaspErr = mcaspRecfgWordWidth(pInp->hMcaspChan, Mcasp_WordLength_32);
547 if(mcaspErr != Aud_EOK) {
548 return ASIT_ERR_MCASP_CFG;
549 }
551 // Adjust I/O BUFF delay and read pointer - to make sure read pointers
552 // always point to PCM data from 1st I2S (out of 4 for HDMI 4xI2S)
553 ioBuffAdjustDelay(pInp->hIoBuff, pInp->phyXferSize);
555 // Go to transition state to switch to PCM
556 pInp->asipState = ASIT_PCM_TRANSITION;
557 }
558 }
559 }
561 // Start next transfer
562 asitPhyTransferStart(pInp);
564 return (ASIT_NO_ERR);
565 } /* asitSourceDetection */
568 /*===========================================================================
569 //
570 // which will cause all 0's in one McASP LLD transfer. This will
571 // be detected as loss of SYNC by auto detection. To prevent that,
572 // skip I/O DATA process for hangover period so that this all 0's
573 // frame will not be seen by auto-detection. Also, playing out PCM
574 // needs to be skipped as well, to prevent from playing out garbage
575 // (16-bit packed data).
576 *
577 * ASIT Transition to PCM decoding.
578 * When PCM is detected, McASP LLD will be reconfigured to transmit 32-bit
579 * words, which will modify the RFMT register. This will cause all 0's in
580 * one McASP LLD transfer, which would be detected as loss of SYNC by auto
581 * detection (performed by I/O DATA). To prevent that, skip I/O DATA process
582 * for hangover period so that this all-0's frame will not be seen by the
583 * auto-detection.
584 *
585 * In addition, playing out PCM should be skipped as well to prevent from
586 * playing out the 16-bit packed data that's still in the input buffer.
587 *
588 * This function does the following:
589 * - mark I/O PHY transfer completion
590 * - bypass I/O DATA
591 * - start next I/O PHY transfer
592 ============================================================================*/
593 Int asitPcmTransition(PAF_ASIT_Config *pAsitCfg)
594 {
595 Int asitErr;
596 PAF_AST_IoInp *pInp; // I/O components for input
597 Int zMD;
599 zMD = pAsitCfg->pAstCfg->masterDec; // pointer to AST common (shared) configuration
600 pInp = &pAsitCfg->pIoInp[zMD]; // pointer to input I/O components
602 // Marks I/O PHY transfer and I/O BUFF write complete
603 asitPhyTransferComplete(pInp);
605 // Bypass I/O data processing due to McASP LLD work around
606 // (refer to comments inside the function)
607 asitErr = asitBypassIoData(pInp);
609 pInp->pcmSwitchHangOver--;
610 if(pInp->pcmSwitchHangOver == 0) {
611 pInp->asipState = ASIT_DECODE_PROCESSING;
612 }
613 else {
614 ; // stay in this state
615 }
617 // Start next transfer
618 asitPhyTransferStart(pInp);
620 return asitErr;
622 } /* asitPcmTransition */
624 /*============================================================================
625 * ASIT Bypass I/O DATA Processing
626 * This function bypasses the I/O DATA processing. It maintains the read
627 * operation of I/O BUFF by directly calling I/O BUFF APIs. When I/O DATA
628 * is not bypassed, I/O BUFF read operation is invoked by I/O DATA.
629 *
630 ============================================================================*/
631 Int asitBypassIoData(PAF_AST_IoInp *pInp)
632 {
633 void *buff1, *buff2;
634 size_t size1, size2;
636 // Get read pointers (or sub-buffers) of the input buffer
637 if (ioBuffGetReadPtrs(pInp->hIoBuff, pInp->phyXferSize,
638 &buff1, &size1, &buff2, &size2)
639 == IOBUFF_ERR_UNDERFLOW) {
640 pInp->numUnderflow += 1;
642 // Return since there is no enough data to process
643 return ASIT_ERR_INPBUF_UNDERFLOW;
644 }
646 ioBuffReadComplete(pInp->hIoBuff, buff1, size1);
648 if(buff2 != NULL) {
649 ioBuffReadComplete(pInp->hIoBuff, buff2, size2);
650 }
652 return ASIT_NO_ERR;
653 } /* asitBypassIoData */
656 /*============================================================================
657 * ASIT Decode Processing
658 * This function performs the decode processing and does the following based
659 * on the ASIT events:
660 * - initialize the decode processing if it is the first time
661 * - if there is ASIT INPUT DATA event (ASIT_EVTMSK_INPDATA):
662 * - mark I/O PHY transfer completion
663 * - run auto-detection via I/O DATA in asitInputDataProcess
664 * - check auto-detection status and take corresponding actions if SYNC
665 * is lost.
666 * - start next I/O PHY transfer
667 * - map ASIT events to decoding messages
668 * - invoke decDecodeFsm() and pass the mapped decoding messages
669 * - if there is ASIT DECODE ACK event (ASIT_EVTMSK_DECACK)
670 * - mark I/O DATA read completion
671 * - error handling
672 ============================================================================*/
673 Int asitDecodeProcessing(const PAF_ASIT_Params *pP,
674 const PAF_ASIT_Patchs *pQ,
675 PAF_ASIT_Config *pAsitCfg,
676 UInt asitEvents)
677 {
678 Int asitErr, decErr;
679 PAF_AST_IoInp *pInp; // I/O components for input
680 AspMsgMaster_Handle hAspMsgMaster; // ASIT message master handle
681 asipDecProc_t *pDec;
682 ioDataAutoDetStat_t autoDetStatus;
683 Int zMD;
684 UInt decMsg;
685 Int status;
687 zMD = pAsitCfg->pAstCfg->masterDec; // pointer to AST common (shared) configuration
688 pInp = &pAsitCfg->pIoInp[zMD]; // pointer to input I/O components
689 hAspMsgMaster = pAsitCfg->hAspMsgMaster; // get ASIT message master handle
690 pDec = &pAsitCfg->inpDec;
692 // Initialization for decode processing when this function is called the first time
693 #ifndef DEBUG_SKIP_DECODING
694 if(!pDec->initDone) {
695 // Initialize decoder
696 decDecodeInit(pP, pAsitCfg, pInp->sourceSelect);
698 pDec->initDone = TRUE;
699 }
700 #endif
702 // Process input data if this is a data ready message
703 if(asitEvents & ASIT_EVTMSK_INPDATA) {
704 TRACE_TERSE0("asitDecodeProcessing: process input data.");
706 // Marks I/O PHY transfer and I/O BUFF write complete
707 asitPhyTransferComplete(pInp);
709 // Process input data - either search SYNC for PCM or check SYNC for bitstream
710 asitErr = asitInputDataProcess(pInp, &autoDetStatus);
712 if(asitErr == ASIT_NO_ERR) {
713 ioDataReadComplete(pInp->hIoData);
715 // Check if SYNC is maintained or lost (stream stops or format changes)
716 if(autoDetStatus.syncState == IODATA_SYNC_NONE) {
717 // SYNC lost: change I/O PHY transfer size to default for auto-detection
718 //asitErr = asitRecfgPhyXfer(pInp, INPUT_FRAME_SIZE_DEF);
719 //if(asitErr != ASIT_NO_ERR) {
720 // return asitErr;
721 //}
723 // Inform decoder to complete the decoding of previous frame - is this good?
724 pInp->sourceSelect = PAF_SOURCE_NONE;
725 pInp->numFrameReceived = 0; // for debugging
726 TRACE_TERSE0("asitDecodeProcessing: SYNC lost.");
728 #ifdef DEBUG_SKIP_DECODING
729 asitErr = ASIT_ERR_DECODE_QUIT;
730 #endif
731 }
732 else {
733 pInp->numFrameReceived += 1; // for debugging
735 // Communicate input stream information to decoder through input
736 // buffer configuration -- this was moved inside decDecodeFsm
737 //asitUpdateInpBufConfig(pAsitCfg->pAstCfg, pInp);
739 // Start next transfer
740 asitPhyTransferStart(pInp);
741 }
743 // Start next transfer
744 //asitPhyTransferStart(pInp);
746 #ifdef DEBUG_SKIP_DECODING
747 return asitErr;
748 #endif
749 }
750 else if(asitErr == ASIT_ERR_INPBUF_UNDERFLOW) {
751 TRACE_TERSE0("asitDecodeProcessing: Input buffer underflows.");
753 // When input buffer underflows, it is not an error but decoding needs
754 // to be skipped as there is not enough data in the buffer.
755 asitPhyTransferStart(pInp);
757 return asitErr;
758 }
759 else {
760 // Inform decoder to complete the decoding of previous frame - is this good?
761 pInp->sourceSelect = PAF_SOURCE_NONE;
762 pInp->numFrameReceived = 0; // for debugging
763 TRACE_TERSE1("asitDecodeProcessing: asitInputDataProcess error: %d", asitErr);
765 #ifdef DEBUG_SKIP_DECODING
766 return ASIT_ERR_DECODE_QUIT;
767 #endif
768 }
769 } /* ASIT_EVTMSK_INPDATA */
770 #ifdef DEBUG_SKIP_DECODING
771 else {
772 TRACE_TERSE0("asitDecodeProcessing: events error.");
773 return ASIT_ERR_EVENTS;
774 }
775 #endif
777 #ifndef DEBUG_SKIP_DECODING
778 // Map ASIT events to decode messages
779 decMsg = asitEventsToDecMsg(asitEvents);
781 // Pass messages (corresponding to events) to decode FSM
782 decErr = decDecodeFsm(pP, pQ, pAsitCfg, pInp->sourceSelect, decMsg);
784 // Mark I/O DATA read complete if decoder indicates decoding is done.
785 if((asitEvents & ASIT_EVTMSK_DECACK)) { // DECACK -> decoding done
786 //ioDataReadComplete(pInp->hIoData);
787 }
789 if(decErr != DEC_NO_ERR) {
790 TRACE_VERBOSE0("TaskAsip: send DEC_EXIT message to slave decoder.");
792 // Send dec exit message to slave decoder
793 status = AspMsgSnd(hAspMsgMaster, ASP_SLAVE_DEC_EXIT, NULL);
794 if (status != ASP_MSG_NO_ERR)
795 {
796 TRACE_VERBOSE0("TaskAsip: error in sending DEC_EXIT message");
797 SW_BREAKPOINT;
798 }
799 status = AspMsgRcvAck(hAspMsgMaster, ASP_MASTER_DEC_EXIT_DONE, NULL, TRUE);
800 if (status != ASP_MSG_NO_ERR)
801 {
802 TRACE_VERBOSE0("TaskAsip: error in sending DEC_EXIT message");
803 SW_BREAKPOINT;
804 }
806 return ASIT_ERR_DECODE_QUIT; // This is not necessarily an error
807 }
808 else {
809 return ASIT_NO_ERR;
810 }
811 #endif
812 } /* asitDecodeProcessing */
815 /*============================================================================
816 * ASIT Input Data Processing:
817 * - invoke ioDataProcess() to inspect input data for
818 * - initial auto-detection, or
819 * - background scanning for PCM data, or
820 * - SYNC check for bitstream
821 * - return auto-detection status (SYNC detected, SYNC loss, etc)
822 ============================================================================*/
823 Int asitInputDataProcess(PAF_AST_IoInp *pInp, ioDataAutoDetStat_t *pAutoDetStats)
824 {
825 Int ioDataErr, retVal;
826 ioDataCtl_t ioDataCtl;
828 // Perform auto-detection inside I/O DATA component
829 ioDataErr = ioDataProcess(pInp->hIoData);
831 if(ioDataErr == IODATA_NO_ERR) {
832 // Normal operation - check auto-detection status
833 ioDataCtl.code = IODATA_CTL_GET_AUTODET_STATUS;
834 ioDataControl(pInp->hIoData, &ioDataCtl);
836 *pAutoDetStats = ioDataCtl.param.autoDetStats;
838 retVal = ASIT_NO_ERR;
839 }
840 else if(ioDataErr == IODATA_ERR_IOBUF_UNDERFLOW) {
841 // Input buffer underflows - there is no enough data to process.
842 // This is not error and no action is needed.
843 pInp->numUnderflow += 1; // debug
845 retVal = ASIT_ERR_INPBUF_UNDERFLOW;
846 }
847 else {
848 // Something is wrong: print error log and return
849 //printf("IODATA processing error!\n");
850 retVal = ASIT_ERR_INPDATA_PROC;
851 }
853 return retVal;
854 } /* asitInputDataProcess */
856 /*============================================================================
857 * Mapping ASIT Events to Decoding Messages
858 ============================================================================*/
859 UInt asitEventsToDecMsg(UInt asitEvents)
860 {
861 UInt decMsg = 0;
863 if (asitEvents & ASIT_EVTMSK_INPDATA) {
864 // Input data event
865 decMsg |= DEC_MSGMSK_INPDATA;
866 }
868 // temp, simulation
869 //if(asitEvents & ASIT_EVTMSK_INFOACK) {
870 // decMsg |= DEC_MSGMSK_INFOACK;
871 //}
873 // temp, simulation
874 //if(asitEvents & ASIT_EVTMSK_DECACK) {
875 // decMsg |= DEC_MSGMSK_DECACK;
876 //}
878 if (asitEvents & ASIT_EVTMSK_RXACK)
879 {
880 // Receive acknowledge message event
881 decMsg |= DEC_MSGMSK_RXACK;
882 }
884 return decMsg;
885 } /* asitEventsToDecMsg */
887 /*===========================================================================
888 * Initialize I/O components for input processing
889 ============================================================================*/
890 int asitIoCompsInit(PAF_AST_InpBuf * pInpBuf, PAF_AST_IoInp * pInpIo)
891 {
892 ioBuffParams_t ioBuffParams;
893 ioPhyParams_t ioPhyParams;
894 ioDataParam_t ioDataCfg;
895 ioPhyCtl_t ioPhyCtl;
897 //pInpIo->phyXferSize = INPUT_FRAME_SIZE_DEF;
898 pInpIo->phyXferSize = pInpIo->stride * NUM_CYCLE_PER_FRAME_DEF * WORD_SIZE_BITSTREAM;
900 if(pInpIo->firstTimeInit) {
901 TRACE_VERBOSE0("Initialize I/O BUFF and I/O PHY.");
902 ioBuffParams.base = pInpBuf->inpBufConfig.base.pVoid;
903 ioBuffParams.size = pInpBuf->inpBufConfig.allocation / STRIDE_WORST_CASE
904 * STRIDE_WORST_CASE;
905 ioBuffParams.sync = IOBUFF_WRITE_SYNC;
906 ioBuffParams.nominalDelay = INPUT_FRAME_SIZE_DEF;
907 if(ioBuffInit(pInpIo->hIoBuff, &ioBuffParams) != IOBUFF_NOERR) {
908 return (ASIT_ERR_IOBUFF_INIT); // to remove magic number
909 }
911 ioPhyParams.ioBuffHandle = pInpIo->hIoBuff;
912 ioPhyParams.xferFrameSize = pInpIo->phyXferSize;
913 ioPhyParams.mcaspChanHandle = pInpIo->hMcaspChan;
914 ioPhyParams.ioBuffOp = IOPHY_IOBUFFOP_WRITE;
915 if(ioPhyInit(pInpIo->hIoPhy, &ioPhyParams) != IOPHY_NOERR) {
916 return (ASIT_ERR_IOPYH_INIT); // to remove magic number
917 }
919 pInpIo->numPrimeXfers = NUM_PRIME_XFERS;
920 }
922 /* Reinitialize I/O DATA every time when ASIT restarts */
923 TRACE_VERBOSE0("Initialize I/O DATA.");
924 ioDataCfg.ioBuffHandle = pInpIo->hIoBuff;
925 ioDataCfg.unknownSourceTimeOut = pInpBuf->inpBufConfig.pBufStatus->unknownTimeout;
926 ioDataCfg.frameLengthsIEC = (uint_least16_t *)&iecFrameLength[0];
927 ioDataCfg.frameLengthPCM = pInpIo->stride * NUM_CYCLE_PER_FRAME_DEF;
928 ioDataCfg.frameLengthDef = pInpIo->stride * NUM_CYCLE_PER_FRAME_DEF;
929 ioDataCfg.ibMode = pInpBuf->inpBufConfig.pBufStatus->mode;
930 ioDataCfg.zeroRunRestart = pInpBuf->inpBufConfig.pBufStatus->zeroRunRestart;
931 ioDataCfg.zeroRunTrigger = pInpBuf->inpBufConfig.pBufStatus->zeroRunTrigger;
933 if(ioDataInit(pInpIo->hIoData, &ioDataCfg) != IODATA_NO_ERR) {
934 return (ASIT_ERR_IODATA_INIT); // to remove magic number
935 }
937 if(pInpIo->firstTimeInit) {
938 /* Initialize I/O BUFF and I/O PHY only when input interface changes. */
939 TRACE_VERBOSE0("Prime I/O PHY.");
941 // Start I/O physical layer by priming McASP LLD for input
942 asitIoPhyPrime(pInpIo);
944 pInpIo->firstTimeInit = FALSE;
945 }
946 else {
947 // Reconfigure I/O PHY transfer size
948 ioPhyCtl.code = IOPHY_CTL_FRAME_SIZE;
949 ioPhyCtl.params.xferFrameSize = pInpIo->phyXferSize;
950 ioPhyControl(pInpIo->hIoPhy, &ioPhyCtl);
951 #if 0
952 // If previous stream before reset was PCM, reconfigure McASP LLD to receive 16-bit packed bits
953 if(!pInpIo->swapData) {
954 Int mcaspErr;
955 mcaspErr = mcaspRecfgWordWidth(pInpIo->hMcaspChan, Mcasp_WordLength_16);
956 if(mcaspErr != Aud_EOK) {
957 return ASIT_ERR_MCASP_CFG;
958 }
960 // Start swapping data
961 pInpIo->swapData = TRUE;
962 TRACE_VERBOSE0("Reconfigure McASP word length and start swapping data.");
963 }
964 #endif
965 // Start PHY transfer
966 TRACE_VERBOSE0("Start I/O PHY transfer.");
967 asitPhyTransferStart(pInpIo);
968 }
970 return 0;
971 } /* asitIoCompsInit */
973 /*======================================================================================
974 * This function initializes ASIT processing
975 *====================================================================================*/
976 void asitProcInit(PAF_AST_IoInp *pInp, asipDecProc_t *pDec)
977 {
978 // pInp->swapData = TRUE;
979 pInp->pcmSwitchHangOver = INPUT_SWITCH_HANGOVER;
980 pDec->initDone = FALSE;
981 pInp->numFrameReceived = 0;
982 }
984 /*======================================================================================
985 * I/O physical layer prime operation required by McASP LLD
986 *====================================================================================*/
987 void asitIoPhyPrime(PAF_AST_IoInp *pInp)
988 {
989 Int32 count;
991 for(count = 0; count < pInp->numPrimeXfers; count++)
992 {
993 ioPhyXferSubmit(pInp->hIoPhy);
994 #ifdef ASIP_DEBUG
995 //pInp->numXferStart++;
996 #endif
997 }
998 } /* asitIoPhyPrime */
1001 /*======================================================================================
1002 * This function marks the I/O PHY transfer as complete
1003 *====================================================================================*/
1004 void asitPhyTransferComplete(PAF_AST_IoInp * pInpIo)
1005 {
1006 // Mark underlining I/O BUFF write complete and swap data if needed
1007 ioPhyXferComplete(pInpIo->hIoPhy, pInpIo->swapData);
1008 } /* asitPhyTransferComplete */
1010 #if 0
1011 Int asitRecfgPhyXfer(PAF_AST_IoInp *pInp, size_t xferSize)
1012 {
1013 ioPhyCtl_t ioPhyCtl;
1014 Int mcaspErr;
1016 ioPhyCtl.code = IOPHY_CTL_FRAME_SIZE;
1017 ioPhyCtl.params.xferFrameSize = xferSize;
1018 ioPhyControl(pInp->hIoPhy, &ioPhyCtl);
1020 pInp->phyXferSize = ioPhyCtl.params.xferFrameSize;
1022 if(!pInp->swapData) {
1023 // If it was PCM, reconfigure McASP LLD to receive 16-bit packed bits
1024 mcaspErr = mcaspRecfgWordWidth(pInp->hMcaspChan, Mcasp_WordLength_16);
1025 if(mcaspErr != Aud_EOK) {
1026 return ASIT_ERR_MCASP_CFG;
1027 }
1029 // Start swapping data
1030 pInp->swapData = TRUE;
1031 }
1033 return ASIT_NO_ERR;
1035 } /* asitRecfgPhyXfer */
1036 #endif
1038 /*======================================================================================
1039 * McASP LLD call back function
1040 *====================================================================================*/
1041 void asipMcaspCallback(void* arg, MCASP_Packet *mcasp_packet)
1042 {
1043 /* post semaphore */
1044 if(mcasp_packet->arg == IOPHY_XFER_FINAL) {
1045 //Semaphore_post(asipSemRx);
1046 Event_post(gAsitEvtHandle, ASIT_EVTMSK_INPDATA);
1047 } else {
1048 ; // intermediate packet due to buffer wrapping around
1049 }
1050 }
1052 /*======================================================================================
1053 * This function checks if McASP Rx for input overruns
1054 *====================================================================================*/
1055 int asipCheckMcaspRxOverrun(Ptr mcaspChanHandle)
1056 {
1057 Mcasp_errCbStatus mcaspErrStat;
1059 mcaspControlChan(mcaspChanHandle, Mcasp_IOCTL_CHAN_QUERY_ERROR_STATS, &mcaspErrStat);
1061 return (mcaspErrStat.isRcvOvrRunOrTxUndRunErr);
1062 }
1064 #if 0
1065 /*======================================================================================
1066 * This function restarts McASP LLD channel for input
1067 *====================================================================================*/
1068 void asipMcaspRxRestart(PAF_AST_IoInp *pInpIo)
1069 {
1070 mcaspRxReset();
1071 mcaspRxCreate();
1072 }
1073 #endif
1075 /*======================================================================================
1076 * This function starts an I/O PHY transfer
1077 *====================================================================================*/
1078 void asitPhyTransferStart(PAF_AST_IoInp *pInpIo)
1079 {
1080 Int ioPhyErr;
1082 if(asipCheckMcaspRxOverrun(pInpIo->hMcaspChan)) {
1083 #ifdef ASIP_DEBUG
1084 pInpIo->numInputOverrun++;
1085 #endif
1086 //asipMcaspRxRestart(pInpIo);
1087 System_abort("\nMcASP for input overruns! %d!\n");
1088 }
1089 else {
1090 ioPhyErr = ioPhyXferSubmit(pInpIo->hIoPhy);
1091 //if(ioPhyXferSubmit(pInpIo->hIoPhy)==IOPHY_ERR_BUFF_OVERFLOW) {
1092 if(ioPhyErr!=IOPHY_NOERR){
1093 printf("\n I/O PHY ioPhyXferSubmit fails with error %d!\n", ioPhyErr);
1094 // Input buffer overflows!
1095 //printf("\nInput buffer overflows!\n");
1096 exit(0);
1097 }
1098 else {
1099 // Input buffer operates normally
1100 ;
1101 }
1102 #ifdef ASIP_DEBUG
1103 //pInpIo->numXferStart++;
1104 #endif
1105 }
1106 }
1108 Int d10Initialized = 0;
1109 //extern Aud_STATUS mcaspAudioConfig(void);
1110 extern void McaspDevice_init(void);
1112 /*======================================================================================
1113 * This function initializes HW interface and selects the right device for input
1114 *====================================================================================*/
1115 Int asitSelectDevices(
1116 const PAF_ASIT_Patchs *pQ,
1117 PAF_AST_Config *pAstCfg,
1118 PAF_AST_IoInp *pInp
1119 )
1120 {
1121 Aud_STATUS status;
1122 const PAF_SIO_Params *pInPrms;
1123 mcaspLLDconfig *pLldCfg;
1124 mcaspLLDconfig *pReqLldCfg;
1125 Ptr mcaspChanHandle;
1126 Int zMD;
1127 Int interface;
1128 const PAF_SIO_Params *pD10Params;
1130 zMD = pAstCfg->masterDec;
1132 interface = pAstCfg->xInp[zMD].inpBufStatus.sioSelect; // obtain SIO select for input
1134 if (interface >= 0)
1135 {
1136 // Positive value for interface: new Input SIO update request has been received via alpha command.
1137 // Negative value for interface: no new Input SIO update request has been received,
1138 // previous requests have been processed.
1140 // check for valid index into device array
1141 if (interface >= pQ->devinp->n) // DEVINP_N
1142 {
1143 interface = 0; // treat as device InNone
1144 }
1146 //
1147 // Deactivate currently active interface
1148 //
1149 if (pInp->hMcaspChan != NULL) // non-NULL McASP LLD channel handle indicates there's an active interface
1150 {
1151 // Delete McASP LLD channel
1152 status = mcaspDeleteChan(pInp->hMcaspChan);
1153 if (status != Aud_EOK)
1154 {
1155 Log_info0("asitSelectDevices(): McASP channel deletion failed!\n");
1156 return ASIP_ERR_MCASP_CFG;
1157 }
1159 pInp->hMcaspChan = NULL; // reset active McASP LLD handle
1160 if (pInp->pRxParams != NULL) // sanity check, pInp->pRxParams should be non NULL if pInp->hMcaspChan is non NULL
1161 {
1162 pInPrms = (const PAF_SIO_Params *)pInp->pRxParams;
1163 pLldCfg = (mcaspLLDconfig *)pInPrms->sio.pConfig; // get pointer to active McASP LLD configuration
1164 pLldCfg->hMcaspChan = NULL; // reset McASP LLD handle for active McASP LLD configuration
1165 pInp->pRxParams = NULL; // reset pointer to active D10 parameters
1166 }
1167 else
1168 {
1169 // This is a programming error
1170 SW_BREAKPOINT; // debug
1171 }
1172 }
1174 //
1175 // Activate requested interface
1176 //
1177 pD10Params = (const PAF_SIO_Params *)pQ->devinp->x[interface]; // get D10 parameters for selected interface
1178 if (pD10Params != NULL)
1179 {
1180 //
1181 // Requested device is other than InNone
1182 //
1184 if (!d10Initialized)
1185 {
1186 // FL: probably no harm in calling this for every new i/f request.
1187 // However, it can probably be moved to main() or sys init task.
1188 // Initialize McASP HW details
1189 McaspDevice_init();
1191 // Initialize Rx hardware
1192 D10_init((void *)pD10Params);
1194 d10Initialized=1;
1195 }
1197 //if (!d10Initialized)
1198 //{
1199 // d10Initialized=1; // global flag indicating D10 init completed
1200 //}
1202 pReqLldCfg = (mcaspLLDconfig *)pD10Params->sio.pConfig;
1203 if (pReqLldCfg->hMcaspChan == NULL)
1204 {
1205 // Create McASP LLD channel
1206 mcaspChanHandle = NULL;
1207 status = mcasplldChanCreate(pReqLldCfg, &mcaspChanHandle);
1208 if (status != Aud_EOK)
1209 {
1210 Log_info0("asitSelectDevices(): McASP channel creation failed!\n");
1211 return ASIP_ERR_MCASP_CFG;
1212 }
1214 pReqLldCfg->hMcaspChan = mcaspChanHandle; // set McASP LLD handle for requested McASP LLD configuration
1215 pInp->pRxParams = (const void *)pD10Params; // set pointer to active D10 parameters
1216 pInp->hMcaspChan = pReqLldCfg->hMcaspChan; // set active McASP LLD handle
1218 // configure stride according to selected McASP LLD configuration
1219 pInp->stride = pReqLldCfg->mcaspChanParams->noOfSerRequested *
1220 pReqLldCfg->mcaspChanParams->noOfChannels;
1222 pInp->firstTimeInit = TRUE; // set flag for IO Phy & Buff initialization
1223 }
1224 }
1225 else
1226 {
1227 //
1228 // Requested device is InNone
1229 //
1230 pInp->hMcaspChan = NULL; // reset active McASP LLD handle
1231 pInp->pRxParams = NULL; // reset pointer to active D10 parameters
1232 }
1234 // indicate SIO update request processed
1235 pAstCfg->xInp[zMD].inpBufStatus.sioSelect = interface | 0x80;
1236 }
1238 if (pInp->hMcaspChan != NULL) // non NULL indicates there's an active interface
1239 {
1240 if (pInp->pRxParams != NULL) // sanity check, this should be non NULL if pInp->hMcaspChan is non NULL
1241 {
1242 pInPrms = (const PAF_SIO_Params *)pInp->pRxParams;
1243 pLldCfg = (mcaspLLDconfig *)pInPrms->sio.pConfig; // get currently active McASP LLD configuration
1244 if (pLldCfg != NULL) // sanity check, this should be non NULL if pInp->hMcaspChan is non NULL
1245 {
1246 // Configure McASP to receive 16/32-bit data according to default configuration
1247 mcaspRecfgWordWidth(pInp->hMcaspChan, pLldCfg->mcaspChanParams->wordWidth);
1249 // Set flag to swap HDMI data if it is 4xI2S and word length is 16
1250 if ((pLldCfg->mcaspChanParams->wordWidth == Mcasp_WordLength_16) &&
1251 (pLldCfg->mcaspChanParams->noOfSerRequested == 4))
1252 {
1253 pInp->swapData = TRUE;
1254 }
1255 else
1256 {
1257 pInp->swapData = FALSE;
1258 }
1259 }
1260 else
1261 {
1262 // This is a programming error
1263 SW_BREAKPOINT; // debug
1264 }
1266 }
1267 else
1268 {
1269 // This is a programming error
1270 SW_BREAKPOINT; // debug
1271 }
1272 }
1274 return ASIT_NO_ERR;
1275 } /* asitSelectDevices */
1277 /*======================================================================================
1278 * This function updates input status
1279 *====================================================================================*/
1280 Int asitUpdateInputStatus(const void *pRxParams, PAF_InpBufStatus *pStatus,
1281 PAF_InpBufConfig *pInpBuf)
1282 {
1283 Int asipErrno;
1285 PAF_SIO_InputStatus inputStatus;
1287 // initialize all values to unknown so that device specific
1288 // driver layer need only fill in those entries that it is aware of.
1289 // This allows extensibility of the structure without requiring users
1290 // to re-code.
1291 inputStatus.lock = 0;
1292 inputStatus.sampleRateData = PAF_SAMPLERATE_UNKNOWN;
1293 inputStatus.sampleRateMeasured = PAF_SAMPLERATE_UNKNOWN;
1294 inputStatus.nonaudio = PAF_IEC_AUDIOMODE_UNKNOWN;
1295 inputStatus.emphasis = PAF_IEC_PREEMPHASIS_UNKNOWN;
1297 //more configuration is needed to abstract out D10
1298 asipErrno = D10_RxControl(pRxParams,
1299 (Uns)PAF_SIO_CONTROL_GET_INPUT_STATUS,
1300 (Arg) &inputStatus);
1301 if (asipErrno) {
1302 return asipErrno;
1303 }
1304 pStatus->sampleRateData = inputStatus.sampleRateData;
1305 pStatus->sampleRateMeasured = inputStatus.sampleRateMeasured;
1306 pStatus->nonaudio = inputStatus.nonaudio;
1307 pStatus->emphasisData = inputStatus.emphasis;
1309 // if MSB of override clear then use as reported lock
1310 // if = 0x80 then use default [0x81]
1311 // if = 0x81 then use measured (from device)
1312 // others not defined or implemented
1313 if ((pStatus->lockOverride & (XDAS_Int8)0x80) == 0)
1314 pStatus->lock = pStatus->lockOverride;
1315 else if (pStatus->lockOverride == (XDAS_Int8)0x80)
1316 pStatus->lock = inputStatus.lock;
1317 else if (pStatus->lockOverride == (XDAS_Int8)0x81)
1318 pStatus->lock = inputStatus.lock;
1320 // if MSB of override clear then use it as sample rate for system,
1321 // if = 0x80 then use default [0x82]
1322 // if = 0x81 then use data
1323 // if = 0x82 then use measured
1324 // others not defined or implemented
1325 if ((pStatus->sampleRateOverride & (XDAS_Int8)0x80) == 0)
1326 pStatus->sampleRateStatus = pStatus->sampleRateOverride;
1327 else if (pStatus->sampleRateOverride == (XDAS_Int8)0x80)
1328 pStatus->sampleRateStatus = pStatus->sampleRateMeasured;
1329 else if (pStatus->sampleRateOverride == (XDAS_Int8)0x81)
1330 pStatus->sampleRateStatus = pStatus->sampleRateData;
1331 else if (pStatus->sampleRateOverride == (XDAS_Int8)0x82)
1332 pStatus->sampleRateStatus = pStatus->sampleRateMeasured;
1334 // Update emphasis status:
1335 if ((pStatus->emphasisOverride & (XDAS_Int8)0x80) == 0) {
1336 if (pStatus->emphasisData == PAF_IEC_PREEMPHASIS_YES)
1337 pStatus->emphasisStatus = PAF_IEC_PREEMPHASIS_YES;
1338 else
1339 pStatus->emphasisStatus = PAF_IEC_PREEMPHASIS_NO;
1340 }
1341 else if (pStatus->emphasisOverride ==
1342 (XDAS_Int8 )(0x80+PAF_IEC_PREEMPHASIS_YES))
1343 pStatus->emphasisStatus = PAF_IEC_PREEMPHASIS_YES;
1344 else /* IBEmphasisOverrideNo or other */
1345 pStatus->emphasisStatus = PAF_IEC_PREEMPHASIS_NO;
1347 // Update precision control
1348 pInpBuf->precision = pStatus->precisionInput =
1349 pStatus->precisionOverride < 0
1350 ? pStatus->precisionDefault
1351 : pStatus->precisionOverride > 0
1352 ? pStatus->precisionOverride
1353 : pStatus->precisionDetect > 0
1354 ? pStatus->precisionDetect
1355 : pStatus->precisionDefault;
1357 return 0;
1358 }
1361 /*==============================================================================
1362 * This function updates input buffer config based on frame information provided
1363 * by I/O DATA.
1364 ==============================================================================*/
1365 void asitUpdateInpBufConfig(PAF_AST_Config *pAstCfg, PAF_AST_IoInp *pInp)
1366 {
1367 PAF_InpBufConfig *pBufConfig;
1368 ioDataCtl_t ioDataCtl;
1370 /* Get information for reading input data */
1371 ioDataCtl.code = IODATA_CTL_GET_INPBUFFINFO;
1372 ioDataControl(pInp->hIoData, &ioDataCtl);
1374 if(ioDataCtl.param.dataReadInfo.frameSize != pInp->phyXferSize) {
1375 // Fatal error!
1376 TRACE_VERBOSE0("TaskAsip: error in updating I/O");
1377 SW_BREAKPOINT;
1378 }
1380 pBufConfig = &(pAstCfg->xInp[pAstCfg->masterDec].inpBufConfig);
1382 //JXTODO: do we need to gate here?
1383 //key = GateMP_enter(gateHandle);
1385 pBufConfig->base.pVoid = ioDataCtl.param.dataReadInfo.buffBase;
1386 pBufConfig->sizeofBuffer = ioDataCtl.param.dataReadInfo.buffSize;
1387 pBufConfig->pntr.pSmInt = ioDataCtl.param.dataReadInfo.startAddress;
1389 // Leave the gate
1390 //GateMP_leave(gateHandle, key);
1392 TRACE_TERSE2("Frame start address: 0x%x., preamble: 0x%x",
1393 (UInt)ioDataCtl.param.dataReadInfo.startAddress,
1394 *(UInt *)ioDataCtl.param.dataReadInfo.startAddress);
1395 }
1397 /*==============================================================================
1398 * Decide source after SYNC is found, i.e. either bitstream preamble is detected
1399 * or it times out to PCM.
1400 ==============================================================================*/
1401 Int asitDecideSource(PAF_AST_Config *pAstCfg, PAF_AST_IoInp *pInp,
1402 ioDataAutoDetStat_t *autoDetStatus)
1403 {
1404 Int sourceConfig, sourceSelect, sourceProgram;
1405 Int zMD;
1406 char asipMsgBuf[ASP_MSG_BUF_LEN];
1407 Int status;
1409 // Get the configured source
1410 zMD = pAstCfg->masterDec;
1411 sourceConfig = (Int)sharedMemReadInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceSelect),
1412 GATEMP_INDEX_DEC);
1414 if(autoDetStatus->syncState == IODATA_SYNC_PCM) {
1415 if (sourceConfig == PAF_SOURCE_DSD1 || sourceConfig == PAF_SOURCE_DSD2 ||
1416 sourceConfig == PAF_SOURCE_DSD3) {
1417 sourceProgram = sourceConfig;
1418 }
1419 else {
1420 sourceProgram = PAF_SOURCE_PCM;
1421 }
1422 }
1424 if(autoDetStatus->syncState == IODATA_SYNC_BITSTREAM) {
1425 uint_least16_t pc = autoDetStatus->bitStreamInfo & SYNC_PC_MASK; //0x001F
1426 sourceProgram = IECpafSource[pc];
1427 }
1429 // write the decided source program to memory
1430 sharedMemWriteInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceProgram), sourceProgram,
1431 GATEMP_INDEX_DEC);
1433 // now that we have some input classification, and possibly an outstanding
1434 // input frame, we determine whether or not to call decodeProcessing and with
1435 // what decAlg.
1436 sourceSelect = PAF_SOURCE_NONE;
1438 switch (sourceConfig)
1439 {
1440 // If autodetecting, decoding everything, and input is something
1441 // (i.e. bitstream or PCM) then decode.
1442 case PAF_SOURCE_AUTO:
1443 if (sourceProgram >= PAF_SOURCE_PCM) {
1444 sourceSelect = sourceProgram; // use whatever from autodet
1445 }
1446 break;
1448 // If autodetecting, decoding only PCM, and input is PCM then decode.
1449 case PAF_SOURCE_PCMAUTO:
1450 if (sourceProgram == PAF_SOURCE_PCM) {
1451 // only expect autodet to give PAF_SOURCE_PCM, otherwise set to NONE
1452 sourceSelect = sourceProgram;
1453 }
1454 break;
1456 // If autodetecting, decoding only bitstreams, and input is a bitstream then decode.
1457 case PAF_SOURCE_BITSTREAM:
1458 if (sourceProgram >= PAF_SOURCE_AC3) {
1459 sourceSelect = sourceProgram;
1460 }
1461 break;
1463 // If autodetecting, decoding only DTS, and input is DTS then decode.
1464 case PAF_SOURCE_DTSALL:
1465 switch (sourceProgram)
1466 {
1467 case PAF_SOURCE_DTS11:
1468 case PAF_SOURCE_DTS12:
1469 case PAF_SOURCE_DTS13:
1470 case PAF_SOURCE_DTS14:
1471 case PAF_SOURCE_DTS16:
1472 case PAF_SOURCE_DTSHD:
1473 sourceSelect = sourceProgram;
1474 break;
1475 }
1476 break;
1478 // All others, e.g., force modes, fall through to here.
1479 // If user made specific selection then program must match select.
1480 // (NB: this compare relies on ordering of PAF_SOURCE)
1481 default:
1482 sourceSelect = sourceConfig;
1483 if ((sourceSelect >= PAF_SOURCE_PCM) && (sourceSelect <= PAF_SOURCE_N)) {
1484 if (sourceProgram != sourceSelect) {
1485 sourceSelect = PAF_SOURCE_NONE;
1486 }
1487 }
1488 break;
1489 }
1491 // if we didn't find any matches then skip
1492 if (sourceSelect == PAF_SOURCE_NONE) {
1493 TRACE_VERBOSE0("TaskAsip: no matching source type, continue");
1494 return ASIT_ERR_NO_MATCHING_SOURCE;
1495 }
1497 #ifndef DEBUG_SKIP_DECODING
1498 // send source select message to slave
1499 *(Int32 *)&asipMsgBuf[0] = sourceSelect;
1500 status = AspMsgSnd(gPAF_ASIT_config.hAspMsgMaster, ASP_SLAVE_DEC_SOURCE_SELECT, asipMsgBuf);
1501 if (status != ASP_MSG_NO_ERR)
1502 {
1503 TRACE_VERBOSE0("TaskAsip: error in sending SOURCE_SELECT message");
1504 SW_BREAKPOINT;
1505 }
1506 status = AspMsgRcvAck(gPAF_ASIT_config.hAspMsgMaster, ASP_MASTER_DEC_SOURCE_SELECT_DONE, NULL, TRUE);
1507 if (status != ASP_MSG_NO_ERR)
1508 {
1509 TRACE_VERBOSE0("TaskAsip: error in receiving SOURCE_SELECT ack message");
1510 SW_BREAKPOINT;
1511 }
1512 #endif
1514 pInp->sourceSelect = sourceSelect;
1515 pInp->sourceProgram = sourceProgram;
1517 return ASIT_NO_ERR;
1518 } /* asitDecideSource */
1520 /*==============================================================================
1521 * After SYNC is found, i.e. either bitstream preamble is detected or it times
1522 * out to PCM, update input buffer config and I/o components accordingly.
1523 ==============================================================================*/
1524 Int asitUpdateIoComps(const PAF_ASIT_Params *pP, PAF_AST_Config *pAstCfg,
1525 PAF_AST_IoInp *pInp, ioDataAutoDetStat_t *autoDetStatus)
1526 {
1527 Int sourceConfig;
1528 Int zMD, deliverZeros;
1529 int ioFrameLength, decFrameLength;
1530 PAF_InpBufConfig *pBufConfig;
1531 ioPhyCtl_t ioPhyCtl;
1532 ioDataCtl_t ioDataCtl;
1534 zMD = pAstCfg->masterDec;
1535 pBufConfig = &pAstCfg->xInp[zMD].inpBufConfig;
1537 // Compute decoder frame length based on source selection
1538 decFrameLength = getFrameLengthSourceSel(pP, pInp->sourceSelect);
1540 pAstCfg->xDec[zMD].decodeControl.frameLength = decFrameLength;
1541 pAstCfg->xDec[zMD].decodeInStruct.sampleCount = decFrameLength;
1542 pAstCfg->xDec[zMD].decodeControl.sampleRate = PAF_SAMPLERATE_UNKNOWN;
1544 // Decide frame length for I/O DATA and I/O PHY
1545 if(autoDetStatus->syncState == IODATA_SYNC_PCM) {
1546 // For PCM, I/O frame length is decode frame length multiplied by stride
1547 ioFrameLength = decFrameLength * pInp->stride;
1549 pBufConfig->sizeofElement = WORD_SIZE_PCM;
1550 pBufConfig->frameLength = pBufConfig->lengthofData = ioFrameLength;
1552 // Configure I/O DATA PCM frame length
1553 ioDataCtl.code = IODATA_CTL_SET_PCM_FRAME_LENGTH;
1554 ioDataCtl.param.frameLengthPcm = ioFrameLength;
1555 ioDataControl(pInp->hIoData, &ioDataCtl);
1557 // Change I/O PHY transfer size to PCM frame size
1558 pInp->phyXferSize = ioFrameLength*(WORD_SIZE_PCM);
1560 // Adjust I/O BUFF delay and read pointer - to make sure read pointers always point to
1561 // PCM data from 1st I2S (out of 4 for HDMI 4xI2S)
1562 // Adjust delay and don't mark input buffer as read complete
1563 //ioBuffAdjustDelay(pInp->hIoBuff, pInp->phyXferSize);
1565 // Stop swapping data
1566 //pInp->swapData = FALSE;
1567 }
1568 else {
1569 // For bitstream, I/O frame length is the frame length of the bitstream
1570 uint_least16_t pc = autoDetStatus->bitStreamInfo & SYNC_PC_MASK; //0x001F
1571 ioFrameLength = iecFrameLength[pc];
1573 /*
1574 if( (pc == 0x11) && (DTSHDSubType == 3)
1575 && (PAF_ASP_sampleRateHzTable[pBufConfig->pBufStatus->sampleRateStatus][PAF_SAMPLERATEHZ_STD] <=48000.0))
1576 pDevExt->sourceProgram = PAF_SOURCE_DXP; // LBR is 23
1578 if (pc == 1)
1579 pDevExt->elementSize = 4288;
1580 else if (pc == 0x11) {
1581 pDevExt->frameLength = (pDevExt->pIECFrameLength[pc] << DTSHDSubType);
1582 pDevExt->lengthofData = pDevExt->frameLength;
1583 }
1584 */
1586 pBufConfig->sizeofElement = WORD_SIZE_BITSTREAM;
1587 pBufConfig->frameLength = ioFrameLength;
1588 pBufConfig->lengthofData = ioFrameLength - IEC_HEADER_LENGTH;
1590 // Change I/O PHY transfer size to bitstream frame size
1591 pInp->phyXferSize = ioFrameLength*WORD_SIZE_BITSTREAM;
1592 }
1594 pBufConfig->stride = pInp->stride; // common for PCM and bitstream
1596 // Configure I/O PHY transfer size
1597 ioPhyCtl.code = IOPHY_CTL_FRAME_SIZE;
1598 ioPhyCtl.params.xferFrameSize = pInp->phyXferSize;
1599 ioPhyControl(pInp->hIoPhy, &ioPhyCtl);
1601 // Decide if zeros should be delivered based on the configured source
1602 sourceConfig = (Int)sharedMemReadInt8(&(pAstCfg->xDec[zMD].decodeStatus.sourceSelect),
1603 GATEMP_INDEX_DEC);
1605 if(autoDetStatus->syncState == IODATA_SYNC_PCM) {
1606 // Bitstream preamble is not found and it times out -> assume this is PCM
1607 deliverZeros = autoDetStatus->deliverZeros;
1608 if (sourceConfig == PAF_SOURCE_PCM || sourceConfig == PAF_SOURCE_DSD1 ||
1609 sourceConfig == PAF_SOURCE_DSD2 || sourceConfig == PAF_SOURCE_DSD3) {
1610 // set to one -- ensures that PCM decode calls made before data is
1611 // available will result in zero output.
1612 // (mostly needed for PA15 since, currently, all other frameworks
1613 // require a frame of data before the first decode call.
1614 deliverZeros = TRUE; // override deliverZeros returned by ioDataControl
1615 }
1617 // update input buffer config structure
1618 pBufConfig->deliverZeros = deliverZeros;
1619 }
1621 //JXTODO: decide what to do with hRxSio
1622 //temporary - does ARM use hRxSio or just check if it is not NULL?
1623 pAstCfg->xInp[zMD].hRxSio = pInp->hIoData;
1624 pAstCfg->xInp[zMD].pInpBuf = &(pAstCfg->xInp[zMD].inpBufConfig);
1626 return ASIT_NO_ERR;
1627 } /* asitUpdateIoComps */
1629 #if 0
1630 #ifndef IO_LOOPBACK_TEST
1631 #if OUTPUT_FRAME_LENGTH == INPUT_FRAME_LENGTH
1632 U8 pcmbuf[OUTPUT_FRAME_SIZE];
1633 #else
1634 #error Input frame length is not equal to output frame length!
1635 #endif
1637 Int rxDecodePcm(PAF_AST_IoInp *pInp)
1638 {
1639 ioDataCtl_t ioDataCtl;
1640 void *buffBase;
1641 void *dataStartAddress;
1642 size_t buffSize, frameSize, size1, size2;
1644 /* Get information for reading input data */
1645 ioDataCtl.code = IODATA_CTL_GET_INPBUFFINFO;
1646 ioDataControl(pInp->hIoData, &ioDataCtl);
1648 buffBase = ioDataCtl.param.dataReadInfo.buffBase;
1649 buffSize = ioDataCtl.param.dataReadInfo.buffSize;
1650 dataStartAddress = ioDataCtl.param.dataReadInfo.startAddress;
1651 frameSize = ioDataCtl.param.dataReadInfo.frameSize;
1653 // Copy PCM data to output buffer
1654 if(((size_t)dataStartAddress+frameSize) <= ((size_t)buffBase+buffSize)) {
1655 // Input buffer doesn't wrap around
1656 Cache_inv(dataStartAddress, frameSize, Cache_Type_ALL, TRUE);
1657 memcpy((void *)&pcmbuf[0], dataStartAddress, frameSize);
1658 }
1659 else {
1660 // Input buffer wraps around
1661 size1 = (size_t)buffBase + buffSize - (size_t)dataStartAddress;
1662 size2 = frameSize - size1;
1663 Cache_inv(dataStartAddress, size1, Cache_Type_ALL, TRUE);
1664 memcpy((void *)&pcmbuf[0], dataStartAddress, size1);
1666 Cache_inv(buffBase, size2, Cache_Type_ALL, TRUE);
1667 memcpy((void *)&pcmbuf[size1], buffBase, size2);
1668 }
1671 return ASIT_NO_ERR;
1672 }
1675 Int rxDecodePlayZero(PAF_AST_IoInp *pInp)
1676 {
1677 return ASIT_NO_ERR;
1678 }
1679 #endif
1681 #endif
1683 Int asitEvtErrCheck(UInt actualEvents, UInt expectedEvents)
1684 {
1685 TRACE_VERBOSE2("ASIT events error: actual events are: %d, expected events are: %d.",
1686 actualEvents, expectedEvents);
1688 return ASIT_ERR_EVENTS;
1689 }
1691 void asitErrorHandling(PAF_ASIT_Config *pAsitCfg, Int asitErr)
1692 {
1693 //UInt events;
1695 if(asitErr == ASIT_ERR_INPBUF_UNDERFLOW) {
1696 TRACE_VERBOSE0("ASIT error handling: input buffer underflows. No actions needed.");
1697 }
1699 if(asitErr == ASIT_ERR_DECODE_QUIT) {
1700 TRACE_VERBOSE0("ASIT error handling: DECODE_QUIT - clear INPDATA event.");
1701 #if 0
1702 // Pend on INPTDATA event that should have been posted before decoding quits.
1703 events = Event_pend(asitEvent, ASIT_EVTMSK_NONE, ASIT_EVTMSK_INPDATA,
1704 BIOS_WAIT_FOREVER);
1706 // Marks I/O PHY transfer and I/O BUFF write complete
1707 asitPhyTransferComplete(&pAsitCfg->pIoInp[0]);
1709 // Keep I/O BUFF read pointers going
1710 asitBypassIoData(&pAsitCfg->pIoInp[0]);
1711 #endif
1712 pAsitCfg->pIoInp[0].asipState = ASIT_RESET;
1713 pAsitCfg->pIoInp[0].numAsitRestart++;
1714 TRACE_VERBOSE0("ASIT error handling finished. Go to state ASIT_RESET.");
1715 }
1717 if(asitErr == ASIT_ERR_EVENTS) {
1718 pAsitCfg->pIoInp[0].asipState = ASIT_RESET;
1719 pAsitCfg->pIoInp[0].numAsitRestart++;
1720 TRACE_VERBOSE0("ASIT error handling: events error. Go to state ASIT_RESET.");
1721 }
1723 return;
1724 } /* asitErrorHandling */
1727 //////////////////////////////////////////////////////////////////////////////
1728 void asitPostInfoEvent()
1729 {
1730 Event_post(gAsitEvtHandle, ASIT_EVTMSK_INFOACK);
1731 }
1733 void asitPostDecEvent()
1734 {
1735 Event_post(gAsitEvtHandle, ASIT_EVTMSK_DECACK);
1736 }
1737 //////////////////////////////////////////////////////////////////////////////
1739 /* Nothing past this line */