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view src/cs/drivers/drv_core/inth/inth.c @ 597:f18b29e27be5

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First attempt at MCSI voice path automatic switching The function is implemented at the ACI level in both aci2 and aci3, successfully avoids triggering the DSP bug on the first call, but the shutdown of MCSI upon call completion is not working properly yet in either version.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 22:18:35 +0000
parents 945cf7f506b2
children
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/*******************************************************************************
            TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION           
                                                                             
   Property of Texas Instruments -- For  Unrestricted  Internal  Use  Only 
   Unauthorized reproduction and/or distribution is strictly prohibited.  This 
   product  is  protected  under  copyright  law  and  trade  secret law as an 
   unpublished work.  Created 1987, (C) Copyright 1997 Texas Instruments.  All 
   rights reserved.                                                            
                  
                                                           
   Filename       	: inth.c

   Description    	: inth.c saturn interupt handler

   Project        	: drivers

   Author         	: pmonteil@tif.ti.com  Patrice Monteil.

   Version number   : 1.15

   Date             : 05/23/03

   Previous delta 	: 12/19/00 14:39:21

   SCCS file      	: /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.inth.c

   Sccs Id  (SID)       : '@(#) inth.c 1.8 01/30/01 10:22:26 '

 
*****************************************************************************/

#include "l1sw.cfg"
#include "chipset.cfg"


#if (CHIPSET != 12)

#if (OP_L1_STANDALONE == 0)
  #include "main/sys_types.h"
#else
  #include "sys_types.h"
#endif
#include "memif/mem.h"
#include "inth.h"

/*--------------------------------------------------------------
 *  INTH_Ack()							
 *--------------------------------------------------------------
 * Parameters : num of it					
 * Return     :	none						
 * Functionality :Acknowledge an interrupt and return the origin
 *	of the interrupt (binary format)			
 *--------------------------------------------------------------*/

SYS_UWORD16 INTH_Ack (int intARM)
{
   if (intARM == INTH_IRQ)
	return((* (volatile SYS_UWORD16 *) INTH_B_IRQ_REG) & INTH_SRC_NUM);
   else
	return((* (volatile SYS_UWORD16 *) INTH_B_FIQ_REG) & INTH_SRC_NUM);
}
	
/*--------------------------------------------------------------
 *  INTH_GetPending()						
 *--------------------------------------------------------------
 * Parameters : none						
 * Return     :	none						
 * Functionality : Return the pending interrupts 		
 *--------------------------------------------------------------*/

#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
  unsigned long INTH_GetPending (void)
  {
    return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | 
           ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16)));
  }		
#else
  unsigned short INTH_GetPending (void)
  {
    return(* (volatile SYS_UWORD16 *) INTH_IT_REG);
  }		
#endif

/*--------------------------------------------------------------
 *  INTH_InitLevel()
 *--------------------------------------------------------------
 * Parameters : num it,FIQ/IRQ,priority level,edge/level.
 * Return     :	none
 * Functionality : Initialize an interrupt
 *		   - put it on IRQ or FIQ
 *		   - set its priority level
 *						 		
 *--------------------------------------------------------------*/

void INTH_InitLevel (int inputInt, int FIQ_nIRQ, int priority, int edge)
{
   volatile SYS_UWORD16 *inthLevelReg = (SYS_UWORD16 *) INTH_EXT_REG; 

   inthLevelReg = inthLevelReg + inputInt;

#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
   *inthLevelReg = (FIQ_nIRQ | (edge << 1) | (priority << 2));
#else
   *inthLevelReg = (FIQ_nIRQ | (priority << 1) | (edge << 5));
#endif
}

/*--------------------------------------------------------------
 *  INTH_ResetIT()
 *--------------------------------------------------------------
 * Parameters : none
 * Return     :	none
 * Functionality : reset the inth it register
 *--------------------------------------------------------------*/

#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
  unsigned long INTH_ResetIT (void)
  {
    * (volatile SYS_UWORD16 *) INTH_IT_REG1 &= 0x0000; 
    * (volatile SYS_UWORD16 *) INTH_IT_REG2 &= 0x0000; 
    return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | 
           ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16)));
  }
#else
  unsigned short INTH_ResetIT (void)
  {
    * (volatile SYS_UWORD16 *) INTH_IT_REG &= 0x0000; 
    return(* (volatile SYS_UWORD16 *) INTH_IT_REG);
  }
#endif


#endif /* endif chipset != 12 */