hwdrv_apci1500.c

最新版comedi的源码

			       if (i_PatternTransitionCount > 1)
			          {
			          /****************************************/
			          /* Transition error on an AND logic     */
			          /****************************************/
                              printk("\n Transition error on an AND logic\n");
                              return -EINVAL;
                              }// if (i_PatternTransitionCount > 1)
			       }// if (data[1]== APCI1500_AND)
			    
			    /*****************************************************************/
			    /* Selects the APCI1500_RW_MASTER_CONFIGURATION_CONTROL register */
			    /*****************************************************************/
                        outb(APCI1500_RW_MASTER_CONFIGURATION_CONTROL,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  
                        /******************/
			    /* Disable Port A */
			    /******************/
                        outb(0xF0,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  
                        /**********************************************/
			    /* Selects the polarity register of port 1    */
			    /**********************************************/ 
                        outb(APCI1500_RW_PORT_A_PATTERN_POLARITY,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 
                        outb(i_PatternPolarity,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  

                        /*********************************************/
			    /* Selects the pattern mask register of      */
			    /* port 1                                    */
			    /*********************************************/
                        outb(APCI1500_RW_PORT_A_PATTERN_MASK,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
	                outb(i_PatternMask,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);	   
                        /********************************************/
			    /* Selects the pattern transition register  */
			    /* of port 1                                */
			    /********************************************/
                        outb(APCI1500_RW_PORT_A_PATTERN_TRANSITION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);	  
                        outb(i_PatternTransition,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);

                      /******************************************/
			  /* Selects the mode specification mask    */
			  /* register of port 1                     */
			  /******************************************/
                        outb(APCI1500_RW_PORT_A_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  
                        i_RegValue=inb(devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  
                      
                      /******************************************/
			  /* Selects the mode specification mask    */
			  /* register of port 1                     */
			  /******************************************/
                        outb(APCI1500_RW_PORT_A_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 

                      /**********************/
			  /* Port A new mode    */
			  /**********************/   
                      
                        i_RegValue=(i_RegValue & 0xF9) | data[1]|0x9;
                        outb(i_RegValue,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 
                        
                       i_Event1Status=1;
                       
                      /*****************************************************************/
			  /* Selects the APCI1500_RW_MASTER_CONFIGURATION_CONTROL register */
			  /*****************************************************************/
                    
                        outb(APCI1500_RW_MASTER_CONFIGURATION_CONTROL,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 
                      /*****************/
			  /* Enable Port A */
			  /*****************/
                        outb(0xF4,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 

                       }// if(data[1]==APCI1500_AND||data[1]==APCI1500_OR||data[1]==APCI1500_OR_PRIORITY)
                   else
	              {
                       printk("\nThe choice for interrupt logic does not exist\n");
                       return -EINVAL;
                       }// else }// if(data[1]==APCI1500_AND||data[1]==APCI1500_OR||data[1]==APCI1500_OR_PRIORITY)
                    }//   if (data[0]== 1)

               
		 /************************************/
		 /* Test if event setting for port 2 */
		 /************************************/

		 if (data[0] == 2)
		    {
		    /************************/
		    /* Test the event logic */
		    /************************/

		     if (data[1] == APCI1500_OR)
		        {
                       /*****************************************************************/
		       /* Selects the APCI1500_RW_MASTER_CONFIGURATION_CONTROL register */
		       /*****************************************************************/   
                         outb(APCI1500_RW_MASTER_CONFIGURATION_CONTROL,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 
                       /******************/
		       /* Disable Port B */
		       /******************/ 
                         outb(0x74,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 
                       /****************************************/
		       /* Selects the mode specification mask  */
		       /* register of port B                   */
		       /****************************************/ 
                         outb( APCI1500_RW_PORT_B_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                         i_RegValue=inb(devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  

                        
		       /******************************************/
		       /* Selects the mode specification mask    */
		       /* register of port B                     */
		       /******************************************/
                          outb(APCI1500_RW_PORT_B_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                          i_RegValue=i_RegValue & 0xF9;
                          outb(i_RegValue,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                        
		       /**********************************/
		       /* Selects error channels 1 and 2 */
		       /**********************************/
                      
		       i_PatternMask       = (i_PatternMask       | 0xC0);
		       i_PatternPolarity   = (i_PatternPolarity   | 0xC0);
		       i_PatternTransition = (i_PatternTransition | 0xC0);

                       /**********************************************/
		       /* Selects the polarity register of port 2    */
		       /**********************************************/
                          outb(APCI1500_RW_PORT_B_PATTERN_POLARITY,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                          outb( i_PatternPolarity,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                       /**********************************************/
		       /* Selects the pattern transition register    */
		       /* of port 2                                  */
		       /**********************************************/ 
                          outb(APCI1500_RW_PORT_B_PATTERN_TRANSITION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                          outb(i_PatternTransition,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                       /**********************************************/
		       /* Selects the pattern Mask register    */
		       /* of port 2                                  */
		       /**********************************************/

                         outb(APCI1500_RW_PORT_B_PATTERN_MASK,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                         outb(i_PatternMask,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 

                       /******************************************/
		       /* Selects the mode specification mask    */
		       /* register of port 2                     */
		       /******************************************/
                          outb(APCI1500_RW_PORT_B_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                          i_RegValue=inb(devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);  
                       /******************************************/
		       /* Selects the mode specification mask    */
		       /* register of port 2                     */
		       /******************************************/
                          outb( APCI1500_RW_PORT_B_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                          i_RegValue=(i_RegValue & 0xF9) | 4; 
                          outb(i_RegValue,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                        
                        i_Event2Status=1;
                       /*****************************************************************/
		       /* Selects the APCI1500_RW_MASTER_CONFIGURATION_CONTROL register */
		       /*****************************************************************/
                    
                          outb(APCI1500_RW_MASTER_CONFIGURATION_CONTROL,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                       /*****************/
		       /* Enable Port B */
		       /*****************/

                          outb(0xF4,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                          }//  if (data[1] == APCI1500_OR)
                      else
                          {
                          printk("\nThe choice for interrupt logic does not exist\n");
                          return -EINVAL;
                          }//elseif (data[1] == APCI1500_OR)
                       }//if(data[0]==2) 
  
 return insn->n;
}                   

/*
+----------------------------------------------------------------------------+
| Function   Name   : int i_APCI1500_StartStopInputEvent                     |
|			  (comedi_device *dev,comedi_subdevice *s,               |
|                      comedi_insn *insn,lsampl_t *data)                     |
+----------------------------------------------------------------------------+
| Task              :  Allows or disallows a port event                      |
+----------------------------------------------------------------------------+
| Input Parameters  : comedi_device *dev      : Driver handle                |
|		              UINT ui_Channel : Channel number to read       |
|                     lsampl_t *data          : Data Pointer to read status  |
                      data[0]                 :0 Start input event 
                                               1 Stop input event
                      data[1]                 :No of port (1 or 2) 
+----------------------------------------------------------------------------+
| Output Parameters :	--													 |
+----------------------------------------------------------------------------+
| Return Value      : TRUE  : No error occur                                 |
|		            : FALSE : Error occur. Return the error          |
|			                                                         |
+----------------------------------------------------------------------------+
*/
int i_APCI1500_StartStopInputEvent(comedi_device *dev,comedi_subdevice *s,comedi_insn *insn,lsampl_t *data)
{
int i_Event1InterruptStatus=0,i_Event2InterruptStatus=0,i_RegValue;
switch(data[0])
   {
   case START : 
              /*************************/
	      /* Tests the port number */
	      /*************************/
   
	      if (data[1] == 1 || data[1] == 2)
	         {
	          /***************************/
	          /* Test if port 1 selected */
	          /***************************/

	         if ( data[1] == 1)
		    {
		    /*****************************/
		    /* Test if event initialised */
		    /*****************************/
                    if(i_Event1Status==1)
                       {
                       /*****************************************************************/
		       /* Selects the APCI1500_RW_MASTER_CONFIGURATION_CONTROL register */
		       /*****************************************************************/
                       outb(APCI1500_RW_MASTER_CONFIGURATION_CONTROL,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                       /******************/
		       /* Disable Port A */
		       /******************/
                       outb(0xF0,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
		       /***************************************************/
		       /* Selects the command and status register of      */
		       /* port 1                                          */
		       /***************************************************/
		        outb(APCI1500_RW_PORT_A_COMMAND_AND_STATUS,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                       /*************************************/
		       /* Allows the pattern interrupt      */
		       /*************************************/
                        outb(0xC0,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);   
                       /*****************************************************************/
		       /* Selects the APCI1500_RW_MASTER_CONFIGURATION_CONTROL register */
		       /*****************************************************************/
                        outb(APCI1500_RW_MASTER_CONFIGURATION_CONTROL,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);
                       /*****************/
		       /* Enable Port A */
		       /*****************/ 
                        outb(0xF4,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER); 
                        i_Event1InterruptStatus=1;
                         outb(APCI1500_RW_PORT_A_SPECIFICATION,devpriv->iobase+APCI1500_Z8536_CONTROL_REGISTER);