Removed TRY_BLOCK code.
authorDavid Schleef <ds@schleef.org>
Wed, 1 Aug 2001 10:08:38 +0000 (10:08 +0000)
committerDavid Schleef <ds@schleef.org>
Wed, 1 Aug 2001 10:08:38 +0000 (10:08 +0000)
comedi/drivers/ni_mio_common.c

index 0286588aaa63ea78cbcea25c2f2050ebfb6f65c6..ed3518271b133bbf2b0135ed42e650d371629fcd 100644 (file)
@@ -53,7 +53,6 @@
 */
 
 //#define DEBUG_INTERRUPT
-//#define TRY_BLOCK
 #define DEBUG_STATUS_A
 //#define DEBUG_STATUS_B
 
@@ -189,9 +188,6 @@ static void ni_mio_print_status_b(int status);
 static int ni_ai_reset(comedi_device *dev,comedi_subdevice *s);
 static void ni_handle_fifo_half_full(comedi_device *dev);
 static void ni_handle_fifo_dregs(comedi_device *dev);
-#ifdef TRY_BLOCK
-static void ni_handle_block(comedi_device *dev);
-#endif
 #ifdef PCIDMA
 static void ni_handle_block_dma(comedi_device *dev);
 #endif
@@ -443,9 +439,6 @@ static void handle_a_interrupt(comedi_device *dev,unsigned short status)
 #ifdef DEBUG_INTERRUPT
                        rt_printk("ni_mio_common: SC_TC interrupt\n");
 #endif
-#ifdef TRY_BLOCK
-                       ni_handle_block(dev);
-#else
                        //for MITE DMA ignore the terminal count from the STC
                        //instead finish up when the MITE asserts DONE
 #ifndef PCIDMA
@@ -462,7 +455,6 @@ static void handle_a_interrupt(comedi_device *dev,unsigned short status)
                                comedi_done(dev,s);
                        }
 #endif //PCIDMA
-#endif //TRY_BLOCK
                        ack|=AI_SC_TC_Interrupt_Ack;
                }
                if(status&AI_START1_St){
@@ -625,59 +617,6 @@ static void ni_handle_block_dma(comedi_device *dev)
 }
 #endif
 
-#ifdef TRY_BLOCK
-/* Blocked mode is used to get interrupts at convenient places
- * to do DMA.  It is also useful when you want to count greater
- * than 16M scans.
- */
-static void ni_handle_block(comedi_device *dev)
-{
-       int n;
-
-       if(devpriv->ai_continuous){
-               n = devpriv->blocksize;
-       }else{
-               if(devpriv->n_left==0){
-                       ni_handle_fifo_dregs(dev);
-                       printk("end\n");
-                       //TIM 4/17/01 win_out(0x0000,Interrupt_A_Enable_Register);
-                       ni_set_bits(dev, Interrupt_A_Enable_Register,
-                               AI_SC_TC_Interrupt_Enable | AI_Start1_Interrupt_Enable|
-                               AI_Start2_Interrupt_Enable| AI_Start_Interrupt_Enable|
-                               AI_Stop_Interrupt_Enable| AI_Error_Interrupt_Enable|
-                               AI_FIFO_Interrupt_Enable,0);
-                       ni_ai_reset(dev,dev->subdevices);
-                       comedi_done(dev,dev->subdevices);
-               }else if(devpriv->n_left<=devpriv->blocksize){
-                       printk("last block %d\n",devpriv->n_left);
-                       n = devpriv->n_left;
-                       devpriv->n_left = 0;
-               }else{
-                       printk("block %d\n",devpriv->n_left);
-                       n = devpriv->blocksize;
-                       devpriv->n_left -= devpriv->blocksize;
-               }
-       }
-#if 0
-       {
-               int size=0x10000;
-
-       /* stage number of scans */
-       win_out((size-1)>>16,AI_SC_Load_A_Registers);
-       win_out((size-1)&0xffff,AI_SC_Load_A_Registers+1);
-
-       //mode1 |= AI_Start_Stop | AI_Mode_1_Reserved | AI_Continuous;
-       mode1 |= 0xe;
-       win_out(mode1,AI_Mode_1_Register);
-
-       /* load SC (Scan Count) */
-       win_out(AI_SC_Load,AI_Command_1_Register);
-
-       }
-#endif
-}
-#endif
-
 static void ni_handle_fifo_half_full(comedi_device *dev)
 {
        int n,m;
@@ -801,52 +740,6 @@ static int ni_ai_setup_block_dma(comedi_device *dev,int frob,int mode1)
 }
 #endif
 
-#ifdef TRY_BLOCK
-static int ni_ai_setup_block(comedi_device *dev,int frob,int mode1)
-{
-       int n;
-       int last=0;
-
-printk("n_left = %d\n",devpriv->n_left);
-       if(devpriv->ai_continuous){
-               n=devpriv->blocksize;
-               last=0;
-       }else{
-               n=devpriv->n_left;
-               if(n>devpriv->blocksize){
-                       n=devpriv->blocksize;
-                       last=0;
-               }else{
-                       last=1;
-               }
-               devpriv->n_left -= n;
-       }
-
-       if(frob){
-               /* stage number of scans */
-               win_out((n-1)>>16,AI_SC_Load_A_Registers);
-               win_out((n-1)&0xffff,AI_SC_Load_A_Registers+1);
-               win_out((n-1)>>16,AI_SC_Load_B_Registers);
-               win_out((n-1)&0xffff,AI_SC_Load_B_Registers+1);
-
-               /* load SC (Scan Count) */
-               win_out(AI_SC_Load,AI_Command_1_Register);
-#if 0
-               if(!last){
-                       mode1 |= AI_Start_Stop | AI_Mode_1_Reserved | AI_Continuous;
-               }else{
-                       mode1 |= AI_Start_Stop | AI_Mode_1_Reserved | AI_Trigger_Once;
-               }
-#endif
-               mode1 |= AI_Start_Stop | AI_Mode_1_Reserved | AI_Continuous;
-               win_out(mode1,AI_Mode_1_Register);
-
-       }
-
-       return mode1;
-}
-#endif
-
 #ifdef PCIDMA
 static int ni_ai_setup_MITE_dma(comedi_device *dev,comedi_cmd *cmd,int mode1)
 {
@@ -1236,10 +1129,9 @@ static int ni_ai_cmd(comedi_device *dev,comedi_subdevice *s)
        /* start configuration */
        win_out(AI_Configuration_Start,Joint_Reset_Register);
 
-#ifndef TRY_BLOCK
-       #ifdef PCIDMA
+#ifdef PCIDMA
        ni_ai_setup_MITE_dma(dev,cmd,mode1);    
-       #else
+#else
        switch(cmd->stop_src){
        case TRIG_COUNT:
                /* stage number of scans */
@@ -1270,24 +1162,8 @@ static int ni_ai_cmd(comedi_device *dev,comedi_subdevice *s)
 
                break;
        }
-       #endif
-#else
-       devpriv->blocksize = 0x4000;
-       switch(cmd->stop_src){
-       case TRIG_COUNT:
-               devpriv->ai_continuous = 0;
-               devpriv->n_left = cmd->stop_arg;
-               break;
-       case TRIG_NONE:
-               devpriv->ai_continuous = 1;
-               devpriv->n_left = 0;
-               break;
-       }
-
-       mode1 = ni_ai_setup_block(dev,1,mode1);
 #endif
 
-
        switch(cmd->scan_begin_src){
        case TRIG_TIMER:
                /*