diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c index 3c408652141..0966ad6214a 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c @@ -53,7 +53,7 @@ You shoud also find the complete GPL in the COPYING file accompanying this sourc */ #include "hwdrv_apci1032.h" #include <linux/delay.h> -//Global variables +/* Global variables */ unsigned int ui_InterruptStatus = 0; /* @@ -107,11 +107,11 @@ int i_APCI1032_ConfigDigitalInput(struct comedi_device * dev, struct comedi_subd outl(0x4, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); ui_TmpValue = inl(devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); - } //if (data[1] == ADDIDATA_OR) + } /* if (data[1] == ADDIDATA_OR) */ else { outl(0x6, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); - } //else if(data[1] == ADDIDATA_OR) - } // if( data[0] == ADDIDATA_ENABLE) + } /* else if(data[1] == ADDIDATA_OR) */ + } /* if( data[0] == ADDIDATA_ENABLE) */ else { ul_Command1 = ul_Command1 & 0xFFFF0000; ul_Command2 = ul_Command2 & 0xFFFF0000; @@ -120,7 +120,7 @@ int i_APCI1032_ConfigDigitalInput(struct comedi_device * dev, struct comedi_subd outl(ul_Command2, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE2); outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); - } //else if ( data[0] == ADDIDATA_ENABLE) + } /* else if ( data[0] == ADDIDATA_ENABLE) */ return insn->n; } @@ -152,14 +152,16 @@ int i_APCI1032_Read1DigitalInput(struct comedi_device * dev, struct comedi_subde ui_Channel = CR_CHAN(insn->chanspec); if (ui_Channel >= 0 && ui_Channel <= 31) { ui_TmpValue = (unsigned int) inl(devpriv->iobase + APCI1032_DIGITAL_IP); - // since only 1 channel reqd to bring it to last bit it is rotated - // 8 +(chan - 1) times then ANDed with 1 for last bit. +/* +* since only 1 channel reqd to bring it to last bit it is rotated 8 +* +(chan - 1) times then ANDed with 1 for last bit. +*/ *data = (ui_TmpValue >> ui_Channel) & 0x1; - } //if(ui_Channel >= 0 && ui_Channel <=31) + } /* if(ui_Channel >= 0 && ui_Channel <=31) */ else { - //comedi_error(dev," \n chan spec wrong\n"); - return -EINVAL; // "sorry channel spec wrong " - } //else if(ui_Channel >= 0 && ui_Channel <=31) + /* comedi_error(dev," \n chan spec wrong\n"); */ + return -EINVAL; /* "sorry channel spec wrong " */ + } /* else if(ui_Channel >= 0 && ui_Channel <=31) */ return insn->n; } @@ -213,16 +215,16 @@ int i_APCI1032_ReadMoreDigitalInput(struct comedi_device * dev, struct comedi_su case 31: break; default: - //comedi_error(dev," \nchan spec wrong\n"); - return -EINVAL; // "sorry channel spec wrong " + /* comedi_error(dev," \nchan spec wrong\n"); */ + return -EINVAL; /* "sorry channel spec wrong " */ break; - } //switch(ui_NoOfChannels) - } //if(data[1]==0) + } /* switch(ui_NoOfChannels) */ + } /* if(data[1]==0) */ else { if (data[1] == 1) { *data = ui_InterruptStatus; - } //if(data[1]==1) - } //else if(data[1]==0) + } /* if(data[1]==1) */ + } /* else if(data[1]==0) */ return insn->n; } @@ -248,15 +250,15 @@ static void v_APCI1032_Interrupt(int irq, void *d) struct comedi_device *dev = d; unsigned int ui_Temp; - //disable the interrupt + /* disable the interrupt */ ui_Temp = inl(devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); outl(ui_Temp & APCI1032_DIGITAL_IP_INTERRUPT_DISABLE, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); ui_InterruptStatus = inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS); ui_InterruptStatus = ui_InterruptStatus & 0X0000FFFF; - send_sig(SIGIO, devpriv->tsk_Current, 0); // send signal to the sample - outl(ui_Temp, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); //enable the interrupt + send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */ + outl(ui_Temp, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); /* enable the interrupt */ return; } @@ -277,9 +279,9 @@ static void v_APCI1032_Interrupt(int irq, void *d) int i_APCI1032_Reset(struct comedi_device * dev) { - outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); //disable the interrupts - inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS); //Reset the interrupt status register - outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE1); //Disable the and/or interrupt + outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ); /* disable the interrupts */ + inl(devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_STATUS); /* Reset the interrupt status register */ + outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE1); /* Disable the and/or interrupt */ outl(0x0, devpriv->iobase + APCI1032_DIGITAL_IP_INTERRUPT_MODE2); return 0; } |