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Commit 1efd18f0 authored by Bill Pemberton's avatar Bill Pemberton Committed by Greg Kroah-Hartman
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Staging: comedi: remove C99 comments in hwdrv_apci3120.c 

This replaces C99 comments with traditional C comments.  This
also removes 3 blocks of code that were already commented out.
Signed-off-by: default avatarBill Pemberton <wfp5p@virginia.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f147598b
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Showing with 417 additions and 447 deletions
drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
View file @ 1efd18f0
......@@ -47,7 +47,7 @@ You shoud also find the complete GPL in the COPYING file accompanying this sourc
#include "hwdrv_apci3120.h"
static unsigned int ui_Temp = 0;
// FUNCTION DEFINITIONS
/* FUNCTION DEFINITIONS */
/*
+----------------------------------------------------------------------------+
......@@ -82,12 +82,12 @@ int i_APCI3120_InsnConfigAnalogInput(struct comedi_device * dev, struct comedi_s
if ((data[0] != APCI3120_EOC_MODE) && (data[0] != APCI3120_EOS_MODE))
return -1;
// Check for Conversion time to be added ??
/* Check for Conversion time to be added ?? */
devpriv->ui_EocEosConversionTime = data[2];
if (data[0] == APCI3120_EOS_MODE) {
//Test the number of the channel
/* Test the number of the channel */
for (i = 0; i < data[3]; i++) {
if (CR_CHAN(data[4 + i]) >= this_board->i_NbrAiChannel) {
......@@ -102,14 +102,14 @@ int i_APCI3120_InsnConfigAnalogInput(struct comedi_device * dev, struct comedi_s
devpriv->b_EocEosInterrupt = APCI3120_ENABLE;
} else
devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
// Copy channel list and Range List to devpriv
/* Copy channel list and Range List to devpriv */
devpriv->ui_AiNbrofChannels = data[3];
for (i = 0; i < devpriv->ui_AiNbrofChannels; i++) {
devpriv->ui_AiChannelList[i] = data[4 + i];
}
} else // EOC
} else /* EOC */
{
devpriv->b_InterruptMode = APCI3120_EOC_MODE;
if (data[1]) {
......@@ -151,22 +151,22 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
unsigned short us_ConvertTiming, us_TmpValue, i;
unsigned char b_Tmp;
// fix convertion time to 10 us
/* fix convertion time to 10 us */
if (!devpriv->ui_EocEosConversionTime) {
printk("No timer0 Value using 10 us\n");
us_ConvertTiming = 10;
} else
us_ConvertTiming = (unsigned short) (devpriv->ui_EocEosConversionTime / 1000); // nano to useconds
us_ConvertTiming = (unsigned short) (devpriv->ui_EocEosConversionTime / 1000); /* nano to useconds */
// this_board->i_hwdrv_InsnReadAnalogInput(dev,us_ConvertTiming,insn->n,&insn->chanspec,data,insn->unused[0]);
/* this_board->i_hwdrv_InsnReadAnalogInput(dev,us_ConvertTiming,insn->n,&insn->chanspec,data,insn->unused[0]); */
// Clear software registers
/* Clear software registers */
devpriv->b_TimerSelectMode = 0;
devpriv->b_ModeSelectRegister = 0;
devpriv->us_OutputRegister = 0;
// devpriv->b_DigitalOutputRegister=0;
/* devpriv->b_DigitalOutputRegister=0; */
if (insn->unused[0] == 222) // second insn read
if (insn->unused[0] == 222) /* second insn read */
{
for (i = 0; i < insn->n; i++) {
......@@ -174,14 +174,16 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
}
} else {
devpriv->tsk_Current = current; // Save the current process task structure
//Testing if board have the new Quartz and calculate the time value
//to set in the timer
devpriv->tsk_Current = current; /* Save the current process task structure */
/*
* Testing if board have the new Quartz and calculate the time value
* to set in the timer
*/
us_TmpValue =
(unsigned short) inw(devpriv->iobase + APCI3120_RD_STATUS);
//EL250804: Testing if board APCI3120 have the new Quartz or if it is an APCI3001
/* EL250804: Testing if board APCI3120 have the new Quartz or if it is an APCI3001 */
if ((us_TmpValue & 0x00B0) == 0x00B0
|| !strcmp(this_board->pc_DriverName, "apci3001")) {
us_ConvertTiming = (us_ConvertTiming * 2) - 2;
......@@ -196,19 +198,20 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
case APCI3120_EOC_MODE:
// Testing the interrupt flag and set the EOC bit
// Clears the FIFO
/*
* Testing the interrupt flag and set the EOC bit Clears the FIFO
*/
inw(devpriv->iobase + APCI3120_RESET_FIFO);
// Initialize the sequence array
/* Initialize the sequence array */
//if (!i_APCI3120_SetupChannelList(dev,s,1,chanlist,0)) return -EINVAL;
/* if (!i_APCI3120_SetupChannelList(dev,s,1,chanlist,0)) return -EINVAL; */
if (!i_APCI3120_SetupChannelList(dev, s, 1,
&insn->chanspec, 0))
return -EINVAL;
//Initialize Timer 0 mode 4
/* Initialize Timer 0 mode 4 */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0xFC) |
......@@ -216,14 +219,14 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
outb(devpriv->b_TimerSelectMode,
devpriv->iobase + APCI3120_TIMER_CRT1);
// Reset the scan bit and Disables the EOS, DMA, EOC interrupt
/* Reset the scan bit and Disables the EOS, DMA, EOC interrupt */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister & APCI3120_DISABLE_SCAN;
if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) {
//Disables the EOS,DMA and enables the EOC interrupt
/* Disables the EOS,DMA and enables the EOC interrupt */
devpriv->b_ModeSelectRegister =
(devpriv->
b_ModeSelectRegister &
......@@ -241,7 +244,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
outb(devpriv->b_ModeSelectRegister,
devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
// Sets gate 0
/* Sets gate 0 */
devpriv->us_OutputRegister =
(devpriv->
us_OutputRegister & APCI3120_CLEAR_PA_PR) |
......@@ -249,13 +252,13 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
outw(devpriv->us_OutputRegister,
devpriv->iobase + APCI3120_WR_ADDRESS);
// Select Timer 0
/* Select Timer 0 */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_0_WORD;
outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
//Set the convertion time
/* Set the convertion time */
outw(us_ConvertTiming,
devpriv->iobase + APCI3120_TIMER_VALUE);
......@@ -265,14 +268,14 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
if (devpriv->b_EocEosInterrupt == APCI3120_DISABLE) {
do {
// Waiting for the end of conversion
/* Waiting for the end of conversion */
us_TmpValue =
inw(devpriv->iobase +
APCI3120_RD_STATUS);
} while ((us_TmpValue & APCI3120_EOC) ==
APCI3120_EOC);
//Read the result in FIFO and put it in insn data pointer
/* Read the result in FIFO and put it in insn data pointer */
us_TmpValue = inw(devpriv->iobase + 0);
*data = us_TmpValue;
......@@ -284,9 +287,9 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
case APCI3120_EOS_MODE:
inw(devpriv->iobase);
// Clears the FIFO
/* Clears the FIFO */
inw(devpriv->iobase + APCI3120_RESET_FIFO);
// clear PA PR and disable timer 0
/* clear PA PR and disable timer 0 */
devpriv->us_OutputRegister =
(devpriv->
......@@ -301,7 +304,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
devpriv->ui_AiChannelList, 0))
return -EINVAL;
//Initialize Timer 0 mode 2
/* Initialize Timer 0 mode 2 */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0xFC) |
......@@ -309,26 +312,26 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
outb(devpriv->b_TimerSelectMode,
devpriv->iobase + APCI3120_TIMER_CRT1);
//Select Timer 0
/* Select Timer 0 */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_0_WORD;
outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
//Set the convertion time
/* Set the convertion time */
outw(us_ConvertTiming,
devpriv->iobase + APCI3120_TIMER_VALUE);
//Set the scan bit
/* Set the scan bit */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister | APCI3120_ENABLE_SCAN;
outb(devpriv->b_ModeSelectRegister,
devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
//If Interrupt function is loaded
/* If Interrupt function is loaded */
if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) {
//Disables the EOC,DMA and enables the EOS interrupt
/* Disables the EOC,DMA and enables the EOS interrupt */
devpriv->b_ModeSelectRegister =
(devpriv->
b_ModeSelectRegister &
......@@ -347,7 +350,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
inw(devpriv->iobase + APCI3120_RD_STATUS);
//Sets gate 0
/* Sets gate 0 */
devpriv->us_OutputRegister =
devpriv->
......@@ -355,12 +358,12 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
outw(devpriv->us_OutputRegister,
devpriv->iobase + APCI3120_WR_ADDRESS);
//Start conversion
/* Start conversion */
outw(0, devpriv->iobase + APCI3120_START_CONVERSION);
//Waiting of end of convertion if interrupt is not installed
/* Waiting of end of convertion if interrupt is not installed */
if (devpriv->b_EocEosInterrupt == APCI3120_DISABLE) {
//Waiting the end of convertion
/* Waiting the end of convertion */
do {
us_TmpValue =
inw(devpriv->iobase +
......@@ -371,12 +374,12 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
for (i = 0; i < devpriv->ui_AiNbrofChannels;
i++) {
//Read the result in FIFO and write them in shared memory
/* Read the result in FIFO and write them in shared memory */
us_TmpValue = inw(devpriv->iobase);
data[i] = (unsigned int) us_TmpValue;
}
devpriv->b_InterruptMode = APCI3120_EOC_MODE; // Restore defaults.
devpriv->b_InterruptMode = APCI3120_EOC_MODE; /* Restore defaults. */
}
break;
......@@ -384,7 +387,7 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
printk("inputs wrong\n");
}
devpriv->ui_EocEosConversionTime = 0; // re initializing the variable;
devpriv->ui_EocEosConversionTime = 0; /* re initializing the variable; */
}
return insn->n;
......@@ -411,36 +414,39 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device * dev, struct comedi_sub
int i_APCI3120_StopCyclicAcquisition(struct comedi_device * dev, struct comedi_subdevice * s)
{
// Disable A2P Fifo write and AMWEN signal
/* Disable A2P Fifo write and AMWEN signal */
outw(0, devpriv->i_IobaseAddon + 4);
//Disable Bus Master ADD ON
/* Disable Bus Master ADD ON */
outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
outw(0, devpriv->i_IobaseAddon + 2);
outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
outw(0, devpriv->i_IobaseAddon + 2);
//Disable BUS Master PCI
/* Disable BUS Master PCI */
outl(0, devpriv->i_IobaseAmcc + AMCC_OP_REG_MCSR);
//outl(inl(devpriv->i_IobaseAmcc+AMCC_OP_REG_INTCSR)&(~AINT_WRITE_COMPL), devpriv->i_IobaseAmcc+AMCC_OP_REG_INTCSR); // stop amcc irqs
//outl(inl(devpriv->i_IobaseAmcc+AMCC_OP_REG_MCSR)&(~EN_A2P_TRANSFERS), devpriv->i_IobaseAmcc+AMCC_OP_REG_MCSR); // stop DMA
/* outl(inl(devpriv->i_IobaseAmcc+AMCC_OP_REG_INTCSR)&(~AINT_WRITE_COMPL),
* devpriv->i_IobaseAmcc+AMCC_OP_REG_INTCSR); stop amcc irqs */
/* outl(inl(devpriv->i_IobaseAmcc+AMCC_OP_REG_MCSR)&(~EN_A2P_TRANSFERS),
* devpriv->i_IobaseAmcc+AMCC_OP_REG_MCSR); stop DMA */
//Disable ext trigger
/* Disable ext trigger */
i_APCI3120_ExttrigDisable(dev);
devpriv->us_OutputRegister = 0;
//stop counters
/* stop counters */
outw(devpriv->
us_OutputRegister & APCI3120_DISABLE_TIMER0 &
APCI3120_DISABLE_TIMER1, dev->iobase + APCI3120_WR_ADDRESS);
outw(APCI3120_DISABLE_ALL_TIMER, dev->iobase + APCI3120_WR_ADDRESS);
//DISABLE_ALL_INTERRUPT
/* DISABLE_ALL_INTERRUPT */
outb(APCI3120_DISABLE_ALL_INTERRUPT,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
//Flush FIFO
/* Flush FIFO */
inb(dev->iobase + APCI3120_RESET_FIFO);
inw(dev->iobase + APCI3120_RD_STATUS);
devpriv->ui_AiActualScan = 0;
......@@ -480,9 +486,9 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device * dev, struct comedi_
struct comedi_cmd * cmd)
{
int err = 0;
int tmp; // divisor1,divisor2;
int tmp; /* divisor1,divisor2; */
// step 1: make sure trigger sources are trivially valid
/* step 1: make sure trigger sources are trivially valid */
tmp = cmd->start_src;
cmd->start_src &= TRIG_NOW | TRIG_EXT;
......@@ -512,7 +518,7 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device * dev, struct comedi_
if (err)
return 1;
//step 2: make sure trigger sources are unique and mutually compatible
/* step 2: make sure trigger sources are unique and mutually compatible */
if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT) {
err++;
......@@ -536,14 +542,14 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device * dev, struct comedi_
if (err)
return 2;
// step 3: make sure arguments are trivially compatible
/* step 3: make sure arguments are trivially compatible */
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
if (cmd->scan_begin_src == TRIG_TIMER) // Test Delay timing
if (cmd->scan_begin_src == TRIG_TIMER) /* Test Delay timing */
{
if (cmd->scan_begin_arg < this_board->ui_MinDelaytimeNs) {
cmd->scan_begin_arg = this_board->ui_MinDelaytimeNs;
......@@ -551,7 +557,7 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device * dev, struct comedi_
}
}
if (cmd->convert_src == TRIG_TIMER) // Test Acquisition timing
if (cmd->convert_src == TRIG_TIMER) /* Test Acquisition timing */
{
if (cmd->scan_begin_src == TRIG_TIMER) {
if ((cmd->convert_arg)
......@@ -585,7 +591,7 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device * dev, struct comedi_
cmd->stop_arg = 1;
err++;
}
} else { // TRIG_NONE
} else { /* TRIG_NONE */
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
......@@ -595,7 +601,7 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device * dev, struct comedi_
if (err)
return 3;
// step 4: fix up any arguments
/* step 4: fix up any arguments */
if (cmd->convert_src == TRIG_TIMER) {
......@@ -637,15 +643,15 @@ int i_APCI3120_CommandAnalogInput(struct comedi_device * dev, struct comedi_subd
{
struct comedi_cmd *cmd = &s->async->cmd;
//loading private structure with cmd structure inputs
/* loading private structure with cmd structure inputs */
devpriv->ui_AiFlags = cmd->flags;
devpriv->ui_AiNbrofChannels = cmd->chanlist_len;
devpriv->ui_AiScanLength = cmd->scan_end_arg;
devpriv->pui_AiChannelList = cmd->chanlist;
//UPDATE-0.7.57->0.7.68devpriv->AiData=s->async->data;
/* UPDATE-0.7.57->0.7.68devpriv->AiData=s->async->data; */
devpriv->AiData = s->async->prealloc_buf;
//UPDATE-0.7.57->0.7.68devpriv->ui_AiDataLength=s->async->data_len;
/* UPDATE-0.7.57->0.7.68devpriv->ui_AiDataLength=s->async->data_len; */
devpriv->ui_AiDataLength = s->async->prealloc_bufsz;
if (cmd->stop_src == TRIG_COUNT) {
......@@ -654,11 +660,11 @@ int i_APCI3120_CommandAnalogInput(struct comedi_device * dev, struct comedi_subd
devpriv->ui_AiNbrofScans = 0;
}
devpriv->ui_AiTimer0 = 0; // variables changed to timer0,timer1
devpriv->ui_AiTimer0 = 0; /* variables changed to timer0,timer1 */
devpriv->ui_AiTimer1 = 0;
if ((devpriv->ui_AiNbrofScans == 0) || (devpriv->ui_AiNbrofScans == -1))
devpriv->b_AiContinuous = 1; // user want neverending analog acquisition
// stopped using cancel
devpriv->b_AiContinuous = 1; /* user want neverending analog acquisition */
/* stopped using cancel */
if (cmd->start_src == TRIG_EXT)
devpriv->b_ExttrigEnable = APCI3120_ENABLE;
......@@ -666,22 +672,22 @@ int i_APCI3120_CommandAnalogInput(struct comedi_device * dev, struct comedi_subd
devpriv->b_ExttrigEnable = APCI3120_DISABLE;
if (cmd->scan_begin_src == TRIG_FOLLOW) {
// mode 1 or 3
/* mode 1 or 3 */
if (cmd->convert_src == TRIG_TIMER) {
// mode 1
/* mode 1 */
devpriv->ui_AiTimer0 = cmd->convert_arg; // timer constant in nano seconds
//return this_board->i_hwdrv_CommandAnalogInput(1,dev,s);
devpriv->ui_AiTimer0 = cmd->convert_arg; /* timer constant in nano seconds */
/* return this_board->i_hwdrv_CommandAnalogInput(1,dev,s); */
return i_APCI3120_CyclicAnalogInput(1, dev, s);
}
}
if ((cmd->scan_begin_src == TRIG_TIMER)
&& (cmd->convert_src == TRIG_TIMER)) {
// mode 2
/* mode 2 */
devpriv->ui_AiTimer1 = cmd->scan_begin_arg;
devpriv->ui_AiTimer0 = cmd->convert_arg; // variable changed timer2 to timer0
//return this_board->i_hwdrv_CommandAnalogInput(2,dev,s);
devpriv->ui_AiTimer0 = cmd->convert_arg; /* variable changed timer2 to timer0 */
/* return this_board->i_hwdrv_CommandAnalogInput(2,dev,s); */
return i_APCI3120_CyclicAnalogInput(2, dev, s);
}
return -1;
......@@ -716,33 +722,33 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
0, ui_TimerValue0, ui_ConvertTiming;
unsigned short us_TmpValue;
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
//devpriv->b_AiCyclicAcquisition=APCI3120_ENABLE;
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/* devpriv->b_AiCyclicAcquisition=APCI3120_ENABLE; */
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
/*******************/
/* Resets the FIFO */
/*******************/
inb(dev->iobase + APCI3120_RESET_FIFO);
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
//inw(dev->iobase+APCI3120_RD_STATUS);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/* inw(dev->iobase+APCI3120_RD_STATUS); */
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
/***************************/
/* Acquisition initialized */
/***************************/
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
devpriv->b_AiCyclicAcquisition = APCI3120_ENABLE;
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
// clear software registers
/* clear software registers */
devpriv->b_TimerSelectMode = 0;
devpriv->us_OutputRegister = 0;
devpriv->b_ModeSelectRegister = 0;
//devpriv->b_DigitalOutputRegister=0;
/* devpriv->b_DigitalOutputRegister=0; */
//COMMENT JK 07.05.04: Followings calls are in i_APCI3120_StartAnalogInputAcquisition
/* COMMENT JK 07.05.04: Followings calls are in i_APCI3120_StartAnalogInputAcquisition */
/****************************/
/* Clear Timer Write TC int */
......@@ -753,10 +759,11 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
/************************************/
/* Clears the timer status register */
/************************************/
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
//inw(dev->iobase+APCI3120_TIMER_STATUS_REGISTER);
inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/* inw(dev->iobase+APCI3120_TIMER_STATUS_REGISTER); */
/* inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER); */
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
/**************************/
/* Disables All Timer */
......@@ -771,9 +778,9 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
/*******************/
/* Resets the FIFO */
/*******************/
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
inb(devpriv->iobase + APCI3120_RESET_FIFO);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
devpriv->ui_AiActualScan = 0;
devpriv->ui_AiActualScanPosition = 0;
......@@ -781,7 +788,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
devpriv->ui_AiBufferPtr = 0;
devpriv->ui_DmaActualBuffer = 0;
// value for timer2 minus -2 has to be done .....dunno y??
/* value for timer2 minus -2 has to be done .....dunno y?? */
ui_TimerValue2 = devpriv->ui_AiNbrofScans - 2;
ui_ConvertTiming = devpriv->ui_AiTimer0;
......@@ -819,7 +826,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
}
***********************************************************************************************/
/*** EL241003 Begin : add this section to replace floats calculation by integer calculations **/
//EL250804: Testing if board APCI3120 have the new Quartz or if it is an APCI3001
/* EL250804: Testing if board APCI3120 have the new Quartz or if it is an APCI3001 */
if ((us_TmpValue & 0x00B0) == 0x00B0
|| !strcmp(this_board->pc_DriverName, "apci3001")) {
ui_TimerValue0 = ui_ConvertTiming * 2 - 2000;
......@@ -844,79 +851,82 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
/*** EL241003 End ******************************************************************************/
if (devpriv->b_ExttrigEnable == APCI3120_ENABLE) {
i_APCI3120_ExttrigEnable(dev); // activate EXT trigger
i_APCI3120_ExttrigEnable(dev); /* activate EXT trigger */
}
switch (mode) {
case 1:
// init timer0 in mode 2
/* init timer0 in mode 2 */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0xFC) | APCI3120_TIMER_0_MODE_2;
outb(devpriv->b_TimerSelectMode,
dev->iobase + APCI3120_TIMER_CRT1);
//Select Timer 0
/* Select Timer 0 */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_0_WORD;
outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
//Set the convertion time
/* Set the convertion time */
outw(((unsigned short) ui_TimerValue0),
dev->iobase + APCI3120_TIMER_VALUE);
break;
case 2:
// init timer1 in mode 2
/* init timer1 in mode 2 */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0xF3) | APCI3120_TIMER_1_MODE_2;
outb(devpriv->b_TimerSelectMode,
dev->iobase + APCI3120_TIMER_CRT1);
//Select Timer 1
/* Select Timer 1 */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_1_WORD;
outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
//Set the convertion time
/* Set the convertion time */
outw(((unsigned short) ui_TimerValue1),
dev->iobase + APCI3120_TIMER_VALUE);
// init timer0 in mode 2
/* init timer0 in mode 2 */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0xFC) | APCI3120_TIMER_0_MODE_2;
outb(devpriv->b_TimerSelectMode,
dev->iobase + APCI3120_TIMER_CRT1);
//Select Timer 0
/* Select Timer 0 */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_0_WORD;
outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
//Set the convertion time
/* Set the convertion time */
outw(((unsigned short) ui_TimerValue0),
dev->iobase + APCI3120_TIMER_VALUE);
break;
}
// ##########common for all modes#################
/* ##########common for all modes################# */
/***********************/
/* Clears the SCAN bit */
/***********************/
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
//devpriv->b_ModeSelectRegister=devpriv->b_ModeSelectRegister | APCI3120_DISABLE_SCAN;
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/* devpriv->b_ModeSelectRegister=devpriv->b_ModeSelectRegister | APCI3120_DISABLE_SCAN; */
devpriv->b_ModeSelectRegister = devpriv->b_ModeSelectRegister &
APCI3120_DISABLE_SCAN;
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
outb(devpriv->b_ModeSelectRegister,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
// If DMA is disabled
/* If DMA is disabled */
if (devpriv->us_UseDma == APCI3120_DISABLE) {
// disable EOC and enable EOS
/* disable EOC and enable EOS */
devpriv->b_InterruptMode = APCI3120_EOS_MODE;
devpriv->b_EocEosInterrupt = APCI3120_ENABLE;
......@@ -928,15 +938,17 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
if (!devpriv->b_AiContinuous) {
// configure Timer2 For counting EOS
//Reset gate 2 of Timer 2 to disable it (Set Bit D14 to 0)
/*
* configure Timer2 For counting EOS Reset gate 2 of Timer 2 to
* disable it (Set Bit D14 to 0)
*/
devpriv->us_OutputRegister =
devpriv->
us_OutputRegister & APCI3120_DISABLE_TIMER2;
outw(devpriv->us_OutputRegister,
dev->iobase + APCI3120_WR_ADDRESS);
// DISABLE TIMER intERRUPT
/* DISABLE TIMER intERRUPT */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister &
......@@ -944,7 +956,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outb(devpriv->b_ModeSelectRegister,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
//(1) Init timer 2 in mode 0 and write timer value
/* (1) Init timer 2 in mode 0 and write timer value */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0x0F) |
......@@ -952,7 +964,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outb(devpriv->b_TimerSelectMode,
dev->iobase + APCI3120_TIMER_CRT1);
//Writing LOW unsigned short
/* Writing LOW unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_LOW_WORD;
......@@ -960,7 +972,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outw(LOWORD(ui_TimerValue2),
dev->iobase + APCI3120_TIMER_VALUE);
//Writing HIGH unsigned short
/* Writing HIGH unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_HIGH_WORD;
......@@ -968,20 +980,20 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outw(HIWORD(ui_TimerValue2),
dev->iobase + APCI3120_TIMER_VALUE);
//(2) Reset FC_TIMER BIT Clearing timer status register
/* (2) Reset FC_TIMER BIT Clearing timer status register */
inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
// enable timer counter and disable watch dog
/* enable timer counter and disable watch dog */
devpriv->b_ModeSelectRegister =
(devpriv->
b_ModeSelectRegister |
APCI3120_ENABLE_TIMER_COUNTER) &
APCI3120_DISABLE_WATCHDOG;
// select EOS clock input for timer 2
/* select EOS clock input for timer 2 */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister |
APCI3120_TIMER2_SELECT_EOS;
// Enable timer2 interrupt
/* Enable timer2 interrupt */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister |
......@@ -992,10 +1004,11 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
devpriv->b_Timer2Interrupt = APCI3120_ENABLE;
}
} else {
// If DMA Enabled
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
//inw(dev->iobase+0);// reset EOC bit
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* If DMA Enabled */
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/* inw(dev->iobase+0); reset EOC bit */
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
devpriv->b_InterruptMode = APCI3120_DMA_MODE;
/************************************/
......@@ -1012,18 +1025,18 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
if (!devpriv->b_AiContinuous) {
if (dmalen0 > (devpriv->ui_AiNbrofScans * devpriv->ui_AiScanLength * 2)) { // must we fill full first buffer?
if (dmalen0 > (devpriv->ui_AiNbrofScans * devpriv->ui_AiScanLength * 2)) { /* must we fill full first buffer? */
dmalen0 =
devpriv->ui_AiNbrofScans *
devpriv->ui_AiScanLength * 2;
} else if (dmalen1 > (devpriv->ui_AiNbrofScans * devpriv->ui_AiScanLength * 2 - dmalen0)) // and must we fill full second buffer when first is once filled?
} else if (dmalen1 > (devpriv->ui_AiNbrofScans * devpriv->ui_AiScanLength * 2 - dmalen0)) /* and must we fill full second buffer when first is once filled? */
dmalen1 =
devpriv->ui_AiNbrofScans *
devpriv->ui_AiScanLength * 2 - dmalen0;
}
if (devpriv->ui_AiFlags & TRIG_WAKE_EOS) {
// don't we want wake up every scan?
/* don't we want wake up every scan? */
if (dmalen0 > (devpriv->ui_AiScanLength * 2)) {
dmalen0 = devpriv->ui_AiScanLength * 2;
if (devpriv->ui_AiScanLength & 1)
......@@ -1036,7 +1049,7 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
if (dmalen1 < 4)
dmalen1 = 4;
}
} else { // isn't output buff smaller that our DMA buff?
} else { /* isn't output buff smaller that our DMA buff? */
if (dmalen0 > (devpriv->ui_AiDataLength)) {
dmalen0 = devpriv->ui_AiDataLength;
}
......@@ -1047,14 +1060,16 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
devpriv->ui_DmaBufferUsesize[0] = dmalen0;
devpriv->ui_DmaBufferUsesize[1] = dmalen1;
//Initialize DMA
/* Initialize DMA */
// Set Transfer count enable bit and A2P_fifo reset bit in AGCSTS register
//1
/*
* Set Transfer count enable bit and A2P_fifo reset bit in AGCSTS
* register 1
*/
ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
outl(ui_Tmp, devpriv->i_IobaseAmcc + AMCC_OP_REG_AGCSTS);
// changed since 16 bit interface for add on
/* changed since 16 bit interface for add on */
/*********************/
/* ENABLE BUS MASTER */
/*********************/
......@@ -1066,27 +1081,31 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH,
devpriv->i_IobaseAddon + 2);
// TO VERIFIED
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
/*
* TO VERIFIED BEGIN JK 07.05.04: Comparison between WIN32 and Linux
* driver
*/
outw(0x1000, devpriv->i_IobaseAddon + 2);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
/* 2 No change */
/* A2P FIFO MANAGEMENT */
/* A2P fifo reset & transfer control enable */
//2 No change
// A2P FIFO MANAGEMENT
// A2P fifo reset & transfer control enable
/***********************/
/* A2P FIFO MANAGEMENT */
/***********************/
outl(APCI3120_A2P_FIFO_MANAGEMENT, devpriv->i_IobaseAmcc +
APCI3120_AMCC_OP_MCSR);
//3
//beginning address of dma buf
//The 32 bit address of dma buffer is converted into two 16 bit addresses
// Can done by using _attach and put into into an array
// array used may be for differnet pages
/*
* 3
* beginning address of dma buf The 32 bit address of dma buffer
* is converted into two 16 bit addresses Can done by using _attach
* and put into into an array array used may be for differnet pages
*/
// DMA Start Adress Low
/* DMA Start Adress Low */
outw(APCI3120_ADD_ON_MWAR_LOW, devpriv->i_IobaseAddon + 0);
outw((devpriv->ul_DmaBufferHw[0] & 0xFFFF),
devpriv->i_IobaseAddon + 2);
......@@ -1098,10 +1117,13 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outw((devpriv->ul_DmaBufferHw[0] / 65536),
devpriv->i_IobaseAddon + 2);
//4
// amount of bytes to be transfered set transfer count
// used ADDON MWTC register
//commented testing outl(devpriv->ui_DmaBufferUsesize[0], devpriv->i_IobaseAddon+AMCC_OP_REG_AMWTC);
/*
* 4
* amount of bytes to be transfered set transfer count used ADDON
* MWTC register commented testing
* outl(devpriv->ui_DmaBufferUsesize[0],
* devpriv->i_IobaseAddon+AMCC_OP_REG_AMWTC);
*/
/**************************/
/* Nbr of acquisition LOW */
......@@ -1117,27 +1139,37 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
outw((devpriv->ui_DmaBufferUsesize[0] / 65536),
devpriv->i_IobaseAddon + 2);
//5
// To configure A2P FIFO
// testing outl( FIFO_ADVANCE_ON_BYTE_2,devpriv->i_IobaseAmcc+AMCC_OP_REG_INTCSR);
/*
* 5
* To configure A2P FIFO testing outl(
* FIFO_ADVANCE_ON_BYTE_2,devpriv->i_IobaseAmcc+AMCC_OP_REG_INTCSR);
*/
/******************/
/* A2P FIFO RESET */
/******************/
// TO VERIFY
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
/*
* TO VERIFY BEGIN JK 07.05.04: Comparison between WIN32 and Linux
* driver
*/
outl(0x04000000UL, devpriv->i_IobaseAmcc + AMCC_OP_REG_MCSR);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
//6
//ENABLE A2P FIFO WRITE AND ENABLE AMWEN
// AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
//outw(3,devpriv->i_IobaseAddon + 4);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/*
* 6
* ENABLE A2P FIFO WRITE AND ENABLE AMWEN AMWEN_ENABLE |
* A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
*/
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/* outw(3,devpriv->i_IobaseAddon + 4); */
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
//7
//initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI)
/*
* 7
* initialise end of dma interrupt AINT_WRITE_COMPL =
* ENABLE_WRITE_TC_INT(ADDI)
*/
/***************************************************/
/* A2P FIFO CONFIGURATE, END OF DMA intERRUPT INIT */
/***************************************************/
......@@ -1145,25 +1177,25 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
APCI3120_ENABLE_WRITE_TC_INT),
devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
/******************************************/
/* ENABLE A2P FIFO WRITE AND ENABLE AMWEN */
/******************************************/
outw(3, devpriv->i_IobaseAddon + 4);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
/******************/
/* A2P FIFO RESET */
/******************/
//BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver
/* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
outl(0x04000000UL,
devpriv->i_IobaseAmcc + APCI3120_AMCC_OP_MCSR);
//END JK 07.05.04: Comparison between WIN32 and Linux driver
/* END JK 07.05.04: Comparison between WIN32 and Linux driver */
}
if ((devpriv->us_UseDma == APCI3120_DISABLE)
&& !devpriv->b_AiContinuous) {
// set gate 2 to start conversion
/* set gate 2 to start conversion */
devpriv->us_OutputRegister =
devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER2;
outw(devpriv->us_OutputRegister,
......@@ -1172,14 +1204,14 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device * dev,
switch (mode) {
case 1:
// set gate 0 to start conversion
/* set gate 0 to start conversion */
devpriv->us_OutputRegister =
devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER0;
outw(devpriv->us_OutputRegister,
dev->iobase + APCI3120_WR_ADDRESS);
break;
case 2:
// set gate 0 and gate 1
/* set gate 0 and gate 1 */
devpriv->us_OutputRegister =
devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER1;
devpriv->us_OutputRegister =
......@@ -1226,47 +1258,49 @@ int i_APCI3120_Reset(struct comedi_device * dev)
devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
devpriv->b_InterruptMode = APCI3120_EOC_MODE;
devpriv->ui_EocEosConversionTime = 0; // set eoc eos conv time to 0
devpriv->ui_EocEosConversionTime = 0; /* set eoc eos conv time to 0 */
devpriv->b_OutputMemoryStatus = 0;
// variables used in timer subdevice
/* variables used in timer subdevice */
devpriv->b_Timer2Mode = 0;
devpriv->b_Timer2Interrupt = 0;
devpriv->b_ExttrigEnable = 0; // Disable ext trigger
devpriv->b_ExttrigEnable = 0; /* Disable ext trigger */
/* Disable all interrupts, watchdog for the anolog output */
devpriv->b_ModeSelectRegister = 0;
outb(devpriv->b_ModeSelectRegister,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
// Disables all counters, ext trigger and clears PA, PR
/* Disables all counters, ext trigger and clears PA, PR */
devpriv->us_OutputRegister = 0;
outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
//Code to set the all anolog o/p channel to 0v
//8191 is decimal value for zero(0 v)volt in bipolar mode(default)
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_1, dev->iobase + APCI3120_ANALOG_OUTPUT_1); //channel 1
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_2, dev->iobase + APCI3120_ANALOG_OUTPUT_1); //channel 2
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_3, dev->iobase + APCI3120_ANALOG_OUTPUT_1); //channel 3
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_4, dev->iobase + APCI3120_ANALOG_OUTPUT_1); //channel 4
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_5, dev->iobase + APCI3120_ANALOG_OUTPUT_2); //channel 5
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_6, dev->iobase + APCI3120_ANALOG_OUTPUT_2); //channel 6
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_7, dev->iobase + APCI3120_ANALOG_OUTPUT_2); //channel 7
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_8, dev->iobase + APCI3120_ANALOG_OUTPUT_2); //channel 8
// Reset digital output to L0W
//ES05 outb(0x0,dev->iobase+APCI3120_DIGITAL_OUTPUT);
/*
* Code to set the all anolog o/p channel to 0v 8191 is decimal
* value for zero(0 v)volt in bipolar mode(default)
*/
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_1, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 1 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_2, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 2 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_3, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 3 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_4, dev->iobase + APCI3120_ANALOG_OUTPUT_1); /* channel 4 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_5, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 5 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_6, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 6 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_7, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 7 */
outw(8191 | APCI3120_ANALOG_OP_CHANNEL_8, dev->iobase + APCI3120_ANALOG_OUTPUT_2); /* channel 8 */
/* Reset digital output to L0W */
/* ES05 outb(0x0,dev->iobase+APCI3120_DIGITAL_OUTPUT); */
udelay(10);
inw(dev->iobase + 0); //make a dummy read
inb(dev->iobase + APCI3120_RESET_FIFO); // flush FIFO
inw(dev->iobase + APCI3120_RD_STATUS); // flush A/D status register
inw(dev->iobase + 0); /* make a dummy read */
inb(dev->iobase + APCI3120_RESET_FIFO); /* flush FIFO */
inw(dev->iobase + APCI3120_RD_STATUS); /* flush A/D status register */
//code to reset the RAM sequence
/* code to reset the RAM sequence */
for (i = 0; i < 16; i++) {
us_TmpValue = i << 8; //select the location
us_TmpValue = i << 8; /* select the location */
outw(us_TmpValue, dev->iobase + APCI3120_SEQ_RAM_ADDRESS);
}
return 0;
......@@ -1299,7 +1333,7 @@ int i_APCI3120_Reset(struct comedi_device * dev)
int i_APCI3120_SetupChannelList(struct comedi_device * dev, struct comedi_subdevice * s,
int n_chan, unsigned int *chanlist, char check)
{
unsigned int i; //, differencial=0, bipolar=0;
unsigned int i; /* , differencial=0, bipolar=0; */
unsigned int gain;
unsigned short us_TmpValue;
......@@ -1309,29 +1343,29 @@ int i_APCI3120_SetupChannelList(struct comedi_device * dev, struct comedi_subdev
comedi_error(dev, "range/channel list is empty!");
return 0;
}
// All is ok, so we can setup channel/range list
/* All is ok, so we can setup channel/range list */
if (check)
return 1;
//Code to set the PA and PR...Here it set PA to 0..
/* Code to set the PA and PR...Here it set PA to 0.. */
devpriv->us_OutputRegister =
devpriv->us_OutputRegister & APCI3120_CLEAR_PA_PR;
devpriv->us_OutputRegister = ((n_chan - 1) & 0xf) << 8;
outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
for (i = 0; i < n_chan; i++) {
// store range list to card
us_TmpValue = CR_CHAN(chanlist[i]); // get channel number;
/* store range list to card */
us_TmpValue = CR_CHAN(chanlist[i]); /* get channel number; */
if (CR_RANGE(chanlist[i]) < APCI3120_BIPOLAR_RANGES) {
us_TmpValue &= ((~APCI3120_UNIPOLAR) & 0xff); // set bipolar
us_TmpValue &= ((~APCI3120_UNIPOLAR) & 0xff); /* set bipolar */
} else {
us_TmpValue |= APCI3120_UNIPOLAR; // enable unipolar......
us_TmpValue |= APCI3120_UNIPOLAR; /* enable unipolar...... */
}
gain = CR_RANGE(chanlist[i]); // get gain number
us_TmpValue |= ((gain & 0x03) << 4); //<<4 for G0 and G1 bit in RAM
us_TmpValue |= i << 8; //To select the RAM LOCATION....
gain = CR_RANGE(chanlist[i]); /* get gain number */
us_TmpValue |= ((gain & 0x03) << 4); /* <<4 for G0 and G1 bit in RAM */
us_TmpValue |= i << 8; /* To select the RAM LOCATION.... */
outw(us_TmpValue, dev->iobase + APCI3120_SEQ_RAM_ADDRESS);
printk("\n Gain = %i",
......@@ -1339,7 +1373,7 @@ int i_APCI3120_SetupChannelList(struct comedi_device * dev, struct comedi_subdev
printk("\n Channel = %i", CR_CHAN(chanlist[i]));
printk("\n Polarity = %i", us_TmpValue & APCI3120_UNIPOLAR);
}
return 1; // we can serve this with scan logic
return 1; /* we can serve this with scan logic */
}
/*
......@@ -1431,24 +1465,24 @@ void v_APCI3120_Interrupt(int irq, void *d)
struct comedi_subdevice *s = dev->subdevices + 0;
ui_Check = 1;
int_daq = inw(dev->iobase + APCI3120_RD_STATUS) & 0xf000; // get IRQ reasons
int_amcc = inl(devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR); // get AMCC int register
int_daq = inw(dev->iobase + APCI3120_RD_STATUS) & 0xf000; /* get IRQ reasons */
int_amcc = inl(devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR); /* get AMCC int register */
if ((!int_daq) && (!(int_amcc & ANY_S593X_INT))) {
comedi_error(dev, "IRQ from unknow source");
return;
}
outl(int_amcc | 0x00ff0000, devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR); // shutdown IRQ reasons in AMCC
outl(int_amcc | 0x00ff0000, devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR); /* shutdown IRQ reasons in AMCC */
int_daq = (int_daq >> 12) & 0xF;
if (devpriv->b_ExttrigEnable == APCI3120_ENABLE) {
//Disable ext trigger
/* Disable ext trigger */
i_APCI3120_ExttrigDisable(dev);
devpriv->b_ExttrigEnable = APCI3120_DISABLE;
}
//clear the timer 2 interrupt
/* clear the timer 2 interrupt */
inb(devpriv->i_IobaseAmcc + APCI3120_TIMER_STATUS_REGISTER);
if (int_amcc & MASTER_ABORT_INT)
......@@ -1456,19 +1490,19 @@ void v_APCI3120_Interrupt(int irq, void *d)
if (int_amcc & TARGET_ABORT_INT)
comedi_error(dev, "AMCC IRQ - TARGET DMA ABORT!");
// Ckeck if EOC interrupt
/* Ckeck if EOC interrupt */
if (((int_daq & 0x8) == 0)
&& (devpriv->b_InterruptMode == APCI3120_EOC_MODE)) {
if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) {
// Read the AI Value
/* Read the AI Value */
devpriv->ui_AiReadData[0] =
(unsigned int) inw(devpriv->iobase + 0);
devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
send_sig(SIGIO, devpriv->tsk_Current, 0); // send signal to the sample
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
} else {
//Disable EOC Interrupt
/* Disable EOC Interrupt */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister & APCI3120_DISABLE_EOC_INT;
......@@ -1478,10 +1512,10 @@ void v_APCI3120_Interrupt(int irq, void *d)
}
}
// Check If EOS interrupt
/* Check If EOS interrupt */
if ((int_daq & 0x2) && (devpriv->b_InterruptMode == APCI3120_EOS_MODE)) {
if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) // enable this in without DMA ???
if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) /* enable this in without DMA ??? */
{
if (devpriv->b_AiCyclicAcquisition == APCI3120_ENABLE) {
......@@ -1506,7 +1540,7 @@ void v_APCI3120_Interrupt(int irq, void *d)
devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
devpriv->b_InterruptMode = APCI3120_EOC_MODE;
send_sig(SIGIO, devpriv->tsk_Current, 0); // send signal to the sample
send_sig(SIGIO, devpriv->tsk_Current, 0); /* send signal to the sample */
}
......@@ -1516,12 +1550,12 @@ void v_APCI3120_Interrupt(int irq, void *d)
b_ModeSelectRegister & APCI3120_DISABLE_EOS_INT;
outb(devpriv->b_ModeSelectRegister,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
devpriv->b_EocEosInterrupt = APCI3120_DISABLE; //Default settings
devpriv->b_EocEosInterrupt = APCI3120_DISABLE; /* Default settings */
devpriv->b_InterruptMode = APCI3120_EOC_MODE;
}
}
//Timer2 interrupt
/* Timer2 interrupt */
if (int_daq & 0x1) {
switch (devpriv->b_Timer2Mode) {
......@@ -1534,18 +1568,18 @@ void v_APCI3120_Interrupt(int irq, void *d)
outb(devpriv->b_ModeSelectRegister,
dev->iobase + APCI3120_WRITE_MODE_SELECT);
// stop timer 2
/* stop timer 2 */
devpriv->us_OutputRegister =
devpriv->
us_OutputRegister & APCI3120_DISABLE_ALL_TIMER;
outw(devpriv->us_OutputRegister,
dev->iobase + APCI3120_WR_ADDRESS);
//stop timer 0 and timer 1
/* stop timer 0 and timer 1 */
i_APCI3120_StopCyclicAcquisition(dev, s);
devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
//UPDATE-0.7.57->0.7.68comedi_done(dev,s);
/* UPDATE-0.7.57->0.7.68comedi_done(dev,s); */
s->async->events |= COMEDI_CB_EOA;
comedi_event(dev, s);
......@@ -1553,19 +1587,19 @@ void v_APCI3120_Interrupt(int irq, void *d)
case APCI3120_TIMER:
//Send a signal to from kernel to user space
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
break;
case APCI3120_WATCHDOG:
//Send a signal to from kernel to user space
/* Send a signal to from kernel to user space */
send_sig(SIGIO, devpriv->tsk_Current, 0);
break;
default:
// disable Timer Interrupt
/* disable Timer Interrupt */
devpriv->b_ModeSelectRegister =
devpriv->
......@@ -1596,7 +1630,7 @@ void v_APCI3120_Interrupt(int irq, void *d)
/* Clears the timer status register */
/************************************/
inw(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
v_APCI3120_InterruptDma(irq, d); // do some data transfer
v_APCI3120_InterruptDma(irq, d); /* do some data transfer */
} else {
/* Stops the Timer */
outw(devpriv->
......@@ -1630,31 +1664,7 @@ void v_APCI3120_Interrupt(int irq, void *d)
+----------------------------------------------------------------------------+
*/
/*
* int i_APCI3120_InterruptHandleEos(struct comedi_device *dev)
{
int n_chan,i;
short *data;
struct comedi_subdevice *s=dev->subdevices+0;
struct comedi_async *async = s->async;
data=async->data+async->buf_int_ptr;
n_chan=devpriv->ui_AiNbrofChannels;
for(i=0;i<n_chan;i++)
{
data[i]=inw(dev->iobase+0);
}
async->buf_int_count+=n_chan*sizeof(short);
async->buf_int_ptr+=n_chan*sizeof(short);
comedi_eos(dev,s);
if (s->async->buf_int_ptr>=s->async->data_len) // for buffer rool over
{
*//* buffer rollover */
/* s->async->buf_int_ptr=0;
comedi_eobuf(dev,s);
}
return 0;
}*/
int i_APCI3120_InterruptHandleEos(struct comedi_device * dev)
{
int n_chan, i;
......@@ -1720,20 +1730,20 @@ void v_APCI3120_InterruptDma(int irq, void *d)
return;
}
samplesinbuf = samplesinbuf >> 1; // number of received samples
samplesinbuf = samplesinbuf >> 1; /* number of received samples */
if (devpriv->b_DmaDoubleBuffer) {
// switch DMA buffers if is used double buffering
/* switch DMA buffers if is used double buffering */
next_dma_buf = 1 - devpriv->ui_DmaActualBuffer;
ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
outl(ui_Tmp, devpriv->i_IobaseAddon + AMCC_OP_REG_AGCSTS);
// changed since 16 bit interface for add on
/* changed since 16 bit interface for add on */
outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_LOW,
devpriv->i_IobaseAddon + 2);
outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); // 0x1000 is out putted in windows driver
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); /* 0x1000 is out putted in windows driver */
var = devpriv->ul_DmaBufferHw[next_dma_buf];
low_word = var & 0xffff;
......@@ -1761,54 +1771,18 @@ void v_APCI3120_InterruptDma(int irq, void *d)
outw(APCI3120_ADD_ON_MWTC_HIGH, devpriv->i_IobaseAddon + 0);
outw(high_word, devpriv->i_IobaseAddon + 2);
// To configure A2P FIFO
// ENABLE A2P FIFO WRITE AND ENABLE AMWEN
// AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
/*
* To configure A2P FIFO
* ENABLE A2P FIFO WRITE AND ENABLE AMWEN
* AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
*/
outw(3, devpriv->i_IobaseAddon + 4);
//initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI)
/* initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI) */
outl((APCI3120_FIFO_ADVANCE_ON_BYTE_2 |
APCI3120_ENABLE_WRITE_TC_INT),
devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
}
/*UPDATE-0.7.57->0.7.68
ptr=(short *)devpriv->ul_DmaBufferVirtual[devpriv->ui_DmaActualBuffer];
// if there is not enough space left in the buffer to copy all data contained in the DMABufferVirtual
if(s->async->buf_int_ptr+samplesinbuf*sizeof(short)>=devpriv->ui_AiDataLength)
{
m=(devpriv->ui_AiDataLength-s->async->buf_int_ptr)/sizeof(short);
v_APCI3120_InterruptDmaMoveBlock16bit(dev,s,(void *)ptr,((void *)(devpriv->AiData))+s->async->buf_int_ptr,m);
s->async->buf_int_count+=m*sizeof(short);
ptr+=m*sizeof(short);
samplesinbuf-=m;
s->async->buf_int_ptr=0;
comedi_eobuf(dev,s);
}
if (samplesinbuf)
{
v_APCI3120_InterruptDmaMoveBlock16bit(dev,s,(void *)ptr,((void *)(devpriv->AiData))+s->async->buf_int_ptr,samplesinbuf);
s->async->buf_int_count+=samplesinbuf*sizeof(short);
s->async->buf_int_ptr+=samplesinbuf*sizeof(short);
if (!(devpriv->ui_AiFlags & TRIG_WAKE_EOS))
{
comedi_bufcheck(dev,s);
}
}
if (!devpriv->b_AiContinuous)
if ( devpriv->ui_AiActualScan>=devpriv->ui_AiNbrofScans )
{
// all data sampled
i_APCI3120_StopCyclicAcquisition(dev,s);
devpriv->b_AiCyclicAcquisition=APCI3120_DISABLE;
//DPRINTK("\n Single DMA completed..\n");
comedi_done(dev,s);
return;
}
*/
if (samplesinbuf) {
v_APCI3120_InterruptDmaMoveBlock16bit(dev, s,
devpriv->ul_DmaBufferVirtual[devpriv->
......@@ -1821,7 +1795,7 @@ void v_APCI3120_InterruptDma(int irq, void *d)
}
if (!devpriv->b_AiContinuous)
if (devpriv->ui_AiActualScan >= devpriv->ui_AiNbrofScans) {
// all data sampled
/* all data sampled */
i_APCI3120_StopCyclicAcquisition(dev, s);
devpriv->b_AiCyclicAcquisition = APCI3120_DISABLE;
s->async->events |= COMEDI_CB_EOA;
......@@ -1829,22 +1803,26 @@ void v_APCI3120_InterruptDma(int irq, void *d)
return;
}
if (devpriv->b_DmaDoubleBuffer) { // switch dma buffers
if (devpriv->b_DmaDoubleBuffer) { /* switch dma buffers */
devpriv->ui_DmaActualBuffer = 1 - devpriv->ui_DmaActualBuffer;
} else {
// restart DMA if is not used double buffering
//ADDED REINITIALISE THE DMA
/*
* restart DMA if is not used double buffering
* ADDED REINITIALISE THE DMA
*/
ui_Tmp = AGCSTS_TC_ENABLE | AGCSTS_RESET_A2P_FIFO;
outl(ui_Tmp, devpriv->i_IobaseAddon + AMCC_OP_REG_AGCSTS);
// changed since 16 bit interface for add on
/* changed since 16 bit interface for add on */
outw(APCI3120_ADD_ON_AGCSTS_LOW, devpriv->i_IobaseAddon + 0);
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_LOW,
devpriv->i_IobaseAddon + 2);
outw(APCI3120_ADD_ON_AGCSTS_HIGH, devpriv->i_IobaseAddon + 0);
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); //
// A2P FIFO MANAGEMENT
// A2P fifo reset & transfer control enable
outw(APCI3120_ENABLE_TRANSFER_ADD_ON_HIGH, devpriv->i_IobaseAddon + 2); /* */
/*
* A2P FIFO MANAGEMENT
* A2P fifo reset & transfer control enable
*/
outl(APCI3120_A2P_FIFO_MANAGEMENT,
devpriv->i_IobaseAmcc + AMCC_OP_REG_MCSR);
......@@ -1858,7 +1836,7 @@ void v_APCI3120_InterruptDma(int irq, void *d)
outw(high_word, devpriv->i_IobaseAddon + 2);
var = devpriv->ui_DmaBufferUsesize[0];
low_word = var & 0xffff; //changed
low_word = var & 0xffff; /* changed */
var = devpriv->ui_DmaBufferUsesize[0];
high_word = var / 65536;
outw(APCI3120_ADD_ON_MWTC_LOW, devpriv->i_IobaseAddon + 0);
......@@ -1866,11 +1844,13 @@ void v_APCI3120_InterruptDma(int irq, void *d)
outw(APCI3120_ADD_ON_MWTC_HIGH, devpriv->i_IobaseAddon + 0);
outw(high_word, devpriv->i_IobaseAddon + 2);
// To configure A2P FIFO
//ENABLE A2P FIFO WRITE AND ENABLE AMWEN
// AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
/*
* To configure A2P FIFO
* ENABLE A2P FIFO WRITE AND ENABLE AMWEN
* AMWEN_ENABLE | A2P_FIFO_WRITE_ENABLE (0x01|0x02)=0x03
*/
outw(3, devpriv->i_IobaseAddon + 4);
//initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI)
/* initialise end of dma interrupt AINT_WRITE_COMPL = ENABLE_WRITE_TC_INT(ADDI) */
outl((APCI3120_FIFO_ADVANCE_ON_BYTE_2 |
APCI3120_ENABLE_WRITE_TC_INT),
devpriv->i_IobaseAmcc + AMCC_OP_REG_INTCSR);
......@@ -1897,35 +1877,6 @@ void v_APCI3120_InterruptDma(int irq, void *d)
+----------------------------------------------------------------------------+
*/
/*void v_APCI3120_InterruptDmaMoveBlock16bit(struct comedi_device *dev,struct comedi_subdevice *s,short *dma,short *data,int n)
{
int i,j,m;
j=s->async->cur_chan;
m=devpriv->ui_AiActualScanPosition;
for(i=0;i<n;i++)
{
*data=*dma;
data++; dma++;
j++;
if(j>=devpriv->ui_AiNbrofChannels)
{
m+=j;
j=0;
if(m>=devpriv->ui_AiScanLength)
{
m=0;
devpriv->ui_AiActualScan++;
if (devpriv->ui_AiFlags & TRIG_WAKE_EOS)
;//UPDATE-0.7.57->0.7.68 comedi_eos(dev,s);
}
}
}
devpriv->ui_AiActualScanPosition=m;
s->async->cur_chan=j;
}
*/
void v_APCI3120_InterruptDmaMoveBlock16bit(struct comedi_device * dev,
struct comedi_subdevice * s, short * dma_buffer, unsigned int num_samples)
{
......@@ -1979,60 +1930,66 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device * dev, struct comedi_subdevi
if (!data[1])
comedi_error(dev, "config:No timer constant !");
devpriv->b_Timer2Interrupt = (unsigned char) data[2]; // save info whether to enable or disable interrupt
devpriv->b_Timer2Interrupt = (unsigned char) data[2]; /* save info whether to enable or disable interrupt */
ui_Timervalue2 = data[1] / 1000; // convert nano seconds to u seconds
ui_Timervalue2 = data[1] / 1000; /* convert nano seconds to u seconds */
//this_board->i_hwdrv_InsnConfigTimer(dev, ui_Timervalue2,(unsigned char)data[0]);
/* this_board->i_hwdrv_InsnConfigTimer(dev, ui_Timervalue2,(unsigned char)data[0]); */
us_TmpValue = (unsigned short) inw(devpriv->iobase + APCI3120_RD_STATUS);
//EL250804: Testing if board APCI3120 have the new Quartz or if it is an APCI3001
// and calculate the time value to set in the timer
/*
* EL250804: Testing if board APCI3120 have the new Quartz or if it
* is an APCI3001 and calculate the time value to set in the timer
*/
if ((us_TmpValue & 0x00B0) == 0x00B0
|| !strcmp(this_board->pc_DriverName, "apci3001")) {
//Calculate the time value to set in the timer
/* Calculate the time value to set in the timer */
ui_Timervalue2 = ui_Timervalue2 / 50;
} else {
//Calculate the time value to set in the timer
/* Calculate the time value to set in the timer */
ui_Timervalue2 = ui_Timervalue2 / 70;
}
//Reset gate 2 of Timer 2 to disable it (Set Bit D14 to 0)
/* Reset gate 2 of Timer 2 to disable it (Set Bit D14 to 0) */
devpriv->us_OutputRegister =
devpriv->us_OutputRegister & APCI3120_DISABLE_TIMER2;
outw(devpriv->us_OutputRegister, devpriv->iobase + APCI3120_WR_ADDRESS);
// Disable TIMER Interrupt
/* Disable TIMER Interrupt */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister & APCI3120_DISABLE_TIMER_INT & 0xEF;
// Disable Eoc and Eos Interrupts
/* Disable Eoc and Eos Interrupts */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister & APCI3120_DISABLE_EOC_INT &
APCI3120_DISABLE_EOS_INT;
outb(devpriv->b_ModeSelectRegister,
devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
if (data[0] == APCI3120_TIMER) //initialize timer
if (data[0] == APCI3120_TIMER) /* initialize timer */
{
/* devpriv->b_ModeSelectRegister=devpriv->b_ModeSelectRegister |
* APCI3120_ENABLE_TIMER_INT; */
//devpriv->b_ModeSelectRegister=devpriv->b_ModeSelectRegister| APCI3120_ENABLE_TIMER_INT ;
//outb(devpriv->b_ModeSelectRegister,devpriv->iobase+APCI3120_WRITE_MODE_SELECT);
/* outb(devpriv->b_ModeSelectRegister,devpriv->iobase+APCI3120_WRITE_MODE_SELECT); */
//Set the Timer 2 in mode 2(Timer)
/* Set the Timer 2 in mode 2(Timer) */
devpriv->b_TimerSelectMode =
(devpriv->
b_TimerSelectMode & 0x0F) | APCI3120_TIMER_2_MODE_2;
outb(devpriv->b_TimerSelectMode,
devpriv->iobase + APCI3120_TIMER_CRT1);
//Configure the timer 2 for writing the LOW unsigned short of timer is Delay value
//You must make a b_tmp variable with DigitalOutPutRegister because at Address_1+APCI3120_TIMER_CRT0
//you can set the digital output and configure the timer 2,and if you don't make this, digital output
//are erase (Set to 0)
//Writing LOW unsigned short
/*
* Configure the timer 2 for writing the LOW unsigned short of timer
* is Delay value You must make a b_tmp variable with
* DigitalOutPutRegister because at Address_1+APCI3120_TIMER_CRT0
* you can set the digital output and configure the timer 2,and if
* you don't make this, digital output are erase (Set to 0)
*/
/* Writing LOW unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_LOW_WORD;
......@@ -2040,20 +1997,20 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device * dev, struct comedi_subdevi
outw(LOWORD(ui_Timervalue2),
devpriv->iobase + APCI3120_TIMER_VALUE);
//Writing HIGH unsigned short
/* Writing HIGH unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_HIGH_WORD;
outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
outw(HIWORD(ui_Timervalue2),
devpriv->iobase + APCI3120_TIMER_VALUE);
// timer2 in Timer mode enabled
/* timer2 in Timer mode enabled */
devpriv->b_Timer2Mode = APCI3120_TIMER;
} else // Initialize Watch dog
} else /* Initialize Watch dog */
{
//Set the Timer 2 in mode 5(Watchdog)
/* Set the Timer 2 in mode 5(Watchdog) */
devpriv->b_TimerSelectMode =
(devpriv->
......@@ -2061,12 +2018,15 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device * dev, struct comedi_subdevi
outb(devpriv->b_TimerSelectMode,
devpriv->iobase + APCI3120_TIMER_CRT1);
//Configure the timer 2 for writing the LOW unsigned short of timer is Delay value
//You must make a b_tmp variable with DigitalOutPutRegister because at Address_1+APCI3120_TIMER_CRT0
//you can set the digital output and configure the timer 2,and if you don't make this, digital output
//are erase (Set to 0)
//Writing LOW unsigned short
/*
* Configure the timer 2 for writing the LOW unsigned short of timer
* is Delay value You must make a b_tmp variable with
* DigitalOutPutRegister because at Address_1+APCI3120_TIMER_CRT0
* you can set the digital output and configure the timer 2,and if
* you don't make this, digital output are erase (Set to 0)
*/
/* Writing LOW unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_LOW_WORD;
......@@ -2074,7 +2034,7 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device * dev, struct comedi_subdevi
outw(LOWORD(ui_Timervalue2),
devpriv->iobase + APCI3120_TIMER_VALUE);
//Writing HIGH unsigned short
/* Writing HIGH unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_HIGH_WORD;
......@@ -2082,7 +2042,7 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device * dev, struct comedi_subdevi
outw(HIWORD(ui_Timervalue2),
devpriv->iobase + APCI3120_TIMER_VALUE);
//watchdog enabled
/* watchdog enabled */
devpriv->b_Timer2Mode = APCI3120_WATCHDOG;
}
......@@ -2133,7 +2093,7 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device * dev, struct comedi_subdevic
return -EINVAL;
}
if (data[0] == 2) // write new value
if (data[0] == 2) /* write new value */
{
if (devpriv->b_Timer2Mode != APCI3120_TIMER) {
comedi_error(dev,
......@@ -2147,35 +2107,35 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device * dev, struct comedi_subdevic
ui_Timervalue2 = 0;
}
//this_board->i_hwdrv_InsnWriteTimer(dev,data[0],ui_Timervalue2);
/* this_board->i_hwdrv_InsnWriteTimer(dev,data[0],ui_Timervalue2); */
switch (data[0]) {
case APCI3120_START:
// Reset FC_TIMER BIT
/* Reset FC_TIMER BIT */
inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
if (devpriv->b_Timer2Mode == APCI3120_TIMER) //start timer
if (devpriv->b_Timer2Mode == APCI3120_TIMER) /* start timer */
{
//Enable Timer
/* Enable Timer */
devpriv->b_ModeSelectRegister =
devpriv->b_ModeSelectRegister & 0x0B;
} else //start watch dog
} else /* start watch dog */
{
//Enable WatchDog
/* Enable WatchDog */
devpriv->b_ModeSelectRegister =
(devpriv->
b_ModeSelectRegister & 0x0B) |
APCI3120_ENABLE_WATCHDOG;
}
//enable disable interrupt
/* enable disable interrupt */
if ((devpriv->b_Timer2Interrupt) == APCI3120_ENABLE) {
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister |
APCI3120_ENABLE_TIMER_INT;
// save the task structure to pass info to user
/* save the task structure to pass info to user */
devpriv->tsk_Current = current;
} else {
......@@ -2187,9 +2147,9 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device * dev, struct comedi_subdevic
outb(devpriv->b_ModeSelectRegister,
devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
if (devpriv->b_Timer2Mode == APCI3120_TIMER) //start timer
if (devpriv->b_Timer2Mode == APCI3120_TIMER) /* start timer */
{
//For Timer mode is Gate2 must be activated **timer started
/* For Timer mode is Gate2 must be activated **timer started */
devpriv->us_OutputRegister =
devpriv->
us_OutputRegister | APCI3120_ENABLE_TIMER2;
......@@ -2201,62 +2161,64 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device * dev, struct comedi_subdevic
case APCI3120_STOP:
if (devpriv->b_Timer2Mode == APCI3120_TIMER) {
//Disable timer
/* Disable timer */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister &
APCI3120_DISABLE_TIMER_COUNTER;
} else {
//Disable WatchDog
/* Disable WatchDog */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister &
APCI3120_DISABLE_WATCHDOG;
}
// Disable timer interrupt
/* Disable timer interrupt */
devpriv->b_ModeSelectRegister =
devpriv->
b_ModeSelectRegister & APCI3120_DISABLE_TIMER_INT;
// Write above states to register
/* Write above states to register */
outb(devpriv->b_ModeSelectRegister,
devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
// Reset Gate 2
/* Reset Gate 2 */
devpriv->us_OutputRegister =
devpriv->us_OutputRegister & APCI3120_DISABLE_TIMER_INT;
outw(devpriv->us_OutputRegister,
devpriv->iobase + APCI3120_WR_ADDRESS);
// Reset FC_TIMER BIT
/* Reset FC_TIMER BIT */
inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
// Disable timer
//devpriv->b_Timer2Mode=APCI3120_DISABLE;
/* Disable timer */
/* devpriv->b_Timer2Mode=APCI3120_DISABLE; */
break;
case 2: //write new value to Timer
case 2: /* write new value to Timer */
if (devpriv->b_Timer2Mode != APCI3120_TIMER) {
comedi_error(dev,
"write :timer2 not configured in TIMER MODE");
return -EINVAL;
}
// ui_Timervalue2=data[1]; // passed as argument
/* ui_Timervalue2=data[1]; // passed as argument */
us_TmpValue =
(unsigned short) inw(devpriv->iobase + APCI3120_RD_STATUS);
//EL250804: Testing if board APCI3120 have the new Quartz or if it is an APCI3001
// and calculate the time value to set in the timer
/*
* EL250804: Testing if board APCI3120 have the new Quartz or if it
* is an APCI3001 and calculate the time value to set in the timer
*/
if ((us_TmpValue & 0x00B0) == 0x00B0
|| !strcmp(this_board->pc_DriverName, "apci3001")) {
//Calculate the time value to set in the timer
/* Calculate the time value to set in the timer */
ui_Timervalue2 = ui_Timervalue2 / 50;
} else {
//Calculate the time value to set in the timer
/* Calculate the time value to set in the timer */
ui_Timervalue2 = ui_Timervalue2 / 70;
}
//Writing LOW unsigned short
/* Writing LOW unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_LOW_WORD;
......@@ -2265,7 +2227,7 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device * dev, struct comedi_subdevic
outw(LOWORD(ui_Timervalue2),
devpriv->iobase + APCI3120_TIMER_VALUE);
//Writing HIGH unsigned short
/* Writing HIGH unsigned short */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_HIGH_WORD;
......@@ -2276,7 +2238,7 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device * dev, struct comedi_subdevic
break;
default:
return -EINVAL; // Not a valid input
return -EINVAL; /* Not a valid input */
}
return insn->n;
......@@ -2316,10 +2278,10 @@ int i_APCI3120_InsnReadTimer(struct comedi_device * dev, struct comedi_subdevice
comedi_error(dev, "\nread:timer2 not configured ");
}
//this_board->i_hwdrv_InsnReadTimer(dev,data);
/* this_board->i_hwdrv_InsnReadTimer(dev,data); */
if (devpriv->b_Timer2Mode == APCI3120_TIMER) {
//Read the LOW unsigned short of Timer 2 register
/* Read the LOW unsigned short of Timer 2 register */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_LOW_WORD;
......@@ -2327,7 +2289,7 @@ int i_APCI3120_InsnReadTimer(struct comedi_device * dev, struct comedi_subdevice
us_TmpValue = inw(devpriv->iobase + APCI3120_TIMER_VALUE);
//Read the HIGH unsigned short of Timer 2 register
/* Read the HIGH unsigned short of Timer 2 register */
b_Tmp = ((devpriv->
b_DigitalOutputRegister) & 0xF0) |
APCI3120_SELECT_TIMER_2_HIGH_WORD;
......@@ -2335,20 +2297,20 @@ int i_APCI3120_InsnReadTimer(struct comedi_device * dev, struct comedi_subdevice
us_TmpValue_2 = inw(devpriv->iobase + APCI3120_TIMER_VALUE);
// combining both words
/* combining both words */
data[0] = (unsigned int) ((us_TmpValue) | ((us_TmpValue_2) << 16));
} else // Read watch dog status
} else /* Read watch dog status */
{
us_StatusValue = inw(devpriv->iobase + APCI3120_RD_STATUS);
us_StatusValue =
((us_StatusValue & APCI3120_FC_TIMER) >> 12) & 1;
if (us_StatusValue == 1) {
// RESET FC_TIMER BIT
/* RESET FC_TIMER BIT */
inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
}
data[0] = us_StatusValue; // when data[0] = 1 then the watch dog has rundown
data[0] = us_StatusValue; /* when data[0] = 1 then the watch dog has rundown */
}
return insn->n;
}
......@@ -2386,19 +2348,21 @@ int i_APCI3120_InsnReadDigitalInput(struct comedi_device *dev,
{
unsigned int ui_Chan, ui_TmpValue;
ui_Chan = CR_CHAN(insn->chanspec); // channel specified
ui_Chan = CR_CHAN(insn->chanspec); /* channel specified */
//this_board->i_hwdrv_InsnReadDigitalInput(dev,ui_Chan,data);
/* this_board->i_hwdrv_InsnReadDigitalInput(dev,ui_Chan,data); */
if (ui_Chan >= 0 && ui_Chan <= 3) {
ui_TmpValue = (unsigned int) inw(devpriv->iobase + APCI3120_RD_STATUS);
// 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_Chan + 8)) & 1;
//return 0;
/* return 0; */
} else {
// comedi_error(dev," chan spec wrong");
return -EINVAL; // "sorry channel spec wrong "
/* comedi_error(dev," chan spec wrong"); */
return -EINVAL; /* "sorry channel spec wrong " */
}
return insn->n;
......@@ -2434,7 +2398,7 @@ int i_APCI3120_InsnBitsDigitalInput(struct comedi_device * dev, struct comedi_su
*****/
*data = (ui_TmpValue >> 8) & 0xf;
//this_board->i_hwdrv_InsnBitsDigitalInput(dev,data);
/* this_board->i_hwdrv_InsnBitsDigitalInput(dev,data); */
return insn->n;
}
......@@ -2481,7 +2445,7 @@ int i_APCI3120_InsnConfigDigitalOutput(struct comedi_device * dev,
if (!devpriv->b_OutputMemoryStatus) {
ui_Temp = 0;
} //if(!devpriv->b_OutputMemoryStatus )
} /* if(!devpriv->b_OutputMemoryStatus ) */
return insn->n;
}
......@@ -2530,7 +2494,7 @@ int i_APCI3120_InsnBitsDigitalOutput(struct comedi_device * dev,
default:
printk("\nThe parameter passed is in error \n");
return -EINVAL;
} // switch(data[1])
} /* switch(data[1]) */
outb(data[0], devpriv->iobase + APCI3120_DIGITAL_OUTPUT);
devpriv->b_DigitalOutputRegister = data[0] & 0xF0;
......@@ -2569,7 +2533,7 @@ int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,
unsigned int ui_Temp1;
unsigned int ui_NoOfChannel = CR_CHAN(insn->chanspec); // get the channel
unsigned int ui_NoOfChannel = CR_CHAN(insn->chanspec); /* get the channel */
if ((data[0] != 0) && (data[0] != 1)) {
comedi_error(dev,
......@@ -2586,7 +2550,7 @@ int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,
switch (data[1]) {
case 1:
data[0] = (data[0] << ui_NoOfChannel);
//ES05 data[0]=(data[0]<<4)|ui_Temp;
/* ES05 data[0]=(data[0]<<4)|ui_Temp; */
data[0] = (data[0] << 4) | devpriv->b_DigitalOutputRegister;
break;
......@@ -2595,22 +2559,22 @@ int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,
ui_Temp1 = 1;
ui_Temp1 = ui_Temp1 << ui_NoOfChannel;
ui_Temp1 = ui_Temp1 << 4;
//ES05 ui_Temp=ui_Temp|ui_Temp1;
/* ES05 ui_Temp=ui_Temp|ui_Temp1; */
devpriv->b_DigitalOutputRegister =
devpriv->b_DigitalOutputRegister | ui_Temp1;
data[0] = (data[0] << ui_NoOfChannel) ^ 0xf;
data[0] = data[0] << 4;
//ES05 data[0]=data[0]& ui_Temp;
/* ES05 data[0]=data[0]& ui_Temp; */
data[0] = data[0] & devpriv->b_DigitalOutputRegister;
break;
default:
printk("\nThe parameter passed is in error \n");
return -EINVAL;
} // switch(data[1])
} /* switch(data[1]) */
outb(data[0], devpriv->iobase + APCI3120_DIGITAL_OUTPUT);
//ES05 ui_Temp=data[0] & 0xf0;
/* ES05 ui_Temp=data[0] & 0xf0; */
devpriv->b_DigitalOutputRegister = data[0] & 0xf0;
return (insn->n);
......@@ -2652,8 +2616,8 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
ui_Range = CR_RANGE(insn->chanspec);
ui_Channel = CR_CHAN(insn->chanspec);
//this_board->i_hwdrv_InsnWriteAnalogOutput(dev, ui_Range, ui_Channel,data[0]);
if (ui_Range) // if 1 then unipolar
/* this_board->i_hwdrv_InsnWriteAnalogOutput(dev, ui_Range, ui_Channel,data[0]); */
if (ui_Range) /* if 1 then unipolar */
{
if (data[0] != 0)
......@@ -2665,7 +2629,7 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
((((ui_Channel & 0x03) << 14) & 0xC000) | (1 <<
13) | 8192);
} else // if 0 then bipolar
} else /* if 0 then bipolar */
{
data[0] =
((((ui_Channel & 0x03) << 14) & 0xC000) | (0 << 13) |
......@@ -2673,9 +2637,11 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
}
//out put n values at the given channel.
// rt_printk("\nwaiting for DA_READY BIT");
do //Waiting of DA_READY BIT
/*
* out put n values at the given channel. rt_printk("\nwaiting for
* DA_READY BIT");
*/
do /* Waiting of DA_READY BIT */
{
us_TmpValue =
((unsigned short) inw(devpriv->iobase +
......@@ -2683,13 +2649,17 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
} while (us_TmpValue != 0x0001);
if (ui_Channel <= 3)
// for channel 0-3 out at the register 1 (wrDac1-8)
// data[i] typecasted to ushort since word write is to be done
/*
* for channel 0-3 out at the register 1 (wrDac1-8) data[i]
* typecasted to ushort since word write is to be done
*/
outw((unsigned short) data[0],
devpriv->iobase + APCI3120_ANALOG_OUTPUT_1);
else
// for channel 4-7 out at the register 2 (wrDac5-8)
//data[i] typecasted to ushort since word write is to be done
/*
* for channel 4-7 out at the register 2 (wrDac5-8) data[i]
* typecasted to ushort since word write is to be done
*/
outw((unsigned short) data[0],
devpriv->iobase + APCI3120_ANALOG_OUTPUT_2);
......
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