static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct comedi_cmd *cmd = &s->async->cmd;
writel(0x0000, devpriv->mite->daq_io_addr + Port_Pin_Directions(0));
if (1) {
writeb(0x0f, devpriv->mite->daq_io_addr + Data_Path);
writeb(TransferWidth(0) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
} else {
writeb(0x03, devpriv->mite->daq_io_addr + Data_Path);
writeb(TransferWidth(3) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
}
if (cmd->scan_begin_src == TRIG_TIMER) {
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(1, devpriv->mite->daq_io_addr + Sequence);
writeb(0x04, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(3, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0xc0, devpriv->mite->daq_io_addr + AckSer);
writel(ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
TRIG_ROUND_NEAREST),
devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0b, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x01, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0, devpriv->mite->daq_io_addr + DAQOptions);
} else {
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(0, devpriv->mite->daq_io_addr + Sequence);
writeb(0x00, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(0, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0x00, devpriv->mite->daq_io_addr + AckSer);
writel(1, devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0C, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x10, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0x60, devpriv->mite->daq_io_addr + DAQOptions);
}
if (cmd->stop_src == TRIG_COUNT) {
writel(cmd->stop_arg,
devpriv->mite->daq_io_addr + Transfer_Count);
} else {
}
#ifdef USE_DMA
writeb(ClearPrimaryTC | ClearSecondaryTC,
devpriv->mite->daq_io_addr + Group_1_First_Clear);
{
int retval = setup_mite_dma(dev, s);
if (retval)
return retval;
}
#else
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
#endif
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group2);
writeb(0xff, devpriv->mite->daq_io_addr + Group_1_First_Clear);
writeb(IntEn, devpriv->mite->daq_io_addr + Interrupt_Control);
writeb(0x03,
devpriv->mite->daq_io_addr + Master_DMA_And_Interrupt_Control);
if (cmd->stop_src == TRIG_NONE) {
devpriv->OpModeBits = DataLatching(0) | RunMode(7);
} else {
devpriv->OpModeBits = Numbered | RunMode(7);
}
if (cmd->start_src == TRIG_NOW) {
writeb(devpriv->OpModeBits,
devpriv->mite->daq_io_addr + OpMode);
s->async->inttrig = NULL;
} else {
s->async->inttrig = ni_pcidio_inttrig;
}
DPRINTK("ni_pcidio: command started\n");
return 0;
}
static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct comedi_cmd *cmd = &s->async->cmd;
/* XXX configure ports for input */
writel(0x0000, devpriv->mite->daq_io_addr + Port_Pin_Directions(0));
if (1) {
/* enable fifos A B C D */
writeb(0x0f, devpriv->mite->daq_io_addr + Data_Path);
/* set transfer width a 32 bits */
writeb(TransferWidth(0) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
} else {
writeb(0x03, devpriv->mite->daq_io_addr + Data_Path);
writeb(TransferWidth(3) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
}
/* protocol configuration */
if (cmd->scan_begin_src == TRIG_TIMER) {
/* page 4-5, "input with internal REQs" */
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(1, devpriv->mite->daq_io_addr + Sequence);
writeb(0x04, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(3, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0xc0, devpriv->mite->daq_io_addr + AckSer);
writel(ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
TRIG_ROUND_NEAREST),
devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0b, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x01, devpriv->mite->daq_io_addr + Data1Delay);
/* manual, page 4-5: ClockSpeed comment is incorrectly listed
* on DAQOptions */
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0, devpriv->mite->daq_io_addr + DAQOptions);
} else {
/* TRIG_EXT */
/* page 4-5, "input with external REQs" */
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(0, devpriv->mite->daq_io_addr + Sequence);
writeb(0x00, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(0, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0x00, devpriv->mite->daq_io_addr + AckSer);
writel(1, devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0C, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x10, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0x60, devpriv->mite->daq_io_addr + DAQOptions);
}
if (cmd->stop_src == TRIG_COUNT) {
writel(cmd->stop_arg,
devpriv->mite->daq_io_addr + Transfer_Count);
} else {
/* XXX */
}
#ifdef USE_DMA
writeb(ClearPrimaryTC | ClearSecondaryTC,
devpriv->mite->daq_io_addr + Group_1_First_Clear);
{
int retval = setup_mite_dma(dev, s);
if (retval)
return retval;
}
#else
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
#endif
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group2);
/* clear and enable interrupts */
writeb(0xff, devpriv->mite->daq_io_addr + Group_1_First_Clear);
/* writeb(ClearExpired,
devpriv->mite->daq_io_addr+Group_1_Second_Clear); */
writeb(IntEn, devpriv->mite->daq_io_addr + Interrupt_Control);
writeb(0x03,
devpriv->mite->daq_io_addr + Master_DMA_And_Interrupt_Control);
if (cmd->stop_src == TRIG_NONE) {
devpriv->OpModeBits = DataLatching(0) | RunMode(7);
} else { /* TRIG_TIMER */
devpriv->OpModeBits = Numbered | RunMode(7);
}
if (cmd->start_src == TRIG_NOW) {
/* start */
writeb(devpriv->OpModeBits,
devpriv->mite->daq_io_addr + OpMode);
s->async->inttrig = NULL;
} else {
/* TRIG_INT */
s->async->inttrig = ni_pcidio_inttrig;
}
DPRINTK("ni_pcidio: command started\n");
return 0;
}
static int ni_pcidio_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int err = 0;
int tmp;
tmp = cmd->start_src;
cmd->start_src &= TRIG_NOW | TRIG_INT;
if (!cmd->start_src || tmp != cmd->start_src)
err++;
tmp = cmd->scan_begin_src;
cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT;
if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
err++;
tmp = cmd->convert_src;
cmd->convert_src &= TRIG_NOW;
if (!cmd->convert_src || tmp != cmd->convert_src)
err++;
tmp = cmd->scan_end_src;
cmd->scan_end_src &= TRIG_COUNT;
if (!cmd->scan_end_src || tmp != cmd->scan_end_src)
err++;
tmp = cmd->stop_src;
cmd->stop_src &= TRIG_COUNT | TRIG_NONE;
if (!cmd->stop_src || tmp != cmd->stop_src)
err++;
if (err)
return 1;
if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_INT)
err++;
if (cmd->scan_begin_src != TRIG_TIMER &&
cmd->scan_begin_src != TRIG_EXT)
err++;
if (err)
return 2;
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
#define MAX_SPEED (TIMER_BASE)
if (cmd->scan_begin_src == TRIG_TIMER) {
if (cmd->scan_begin_arg < MAX_SPEED) {
cmd->scan_begin_arg = MAX_SPEED;
err++;
}
} else {
if (cmd->scan_begin_arg != 0) {
cmd->scan_begin_arg = 0;
err++;
}
}
if (cmd->convert_arg != 0) {
cmd->convert_arg = 0;
err++;
}
if (cmd->scan_end_arg != cmd->chanlist_len) {
cmd->scan_end_arg = cmd->chanlist_len;
err++;
}
if (cmd->stop_src == TRIG_COUNT) {
} else {
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
}
if (err)
return 3;
if (cmd->scan_begin_src == TRIG_TIMER) {
tmp = cmd->scan_begin_arg;
ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
cmd->flags & TRIG_ROUND_MASK);
if (tmp != cmd->scan_begin_arg)
err++;
}
if (err)
return 4;
return 0;
}
static int ni_pcidio_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int err = 0;
int tmp;
/* step 1: make sure trigger sources are trivially valid */
tmp = cmd->start_src;
cmd->start_src &= TRIG_NOW | TRIG_INT;
if (!cmd->start_src || tmp != cmd->start_src)
err++;
tmp = cmd->scan_begin_src;
cmd->scan_begin_src &= TRIG_TIMER | TRIG_EXT;
if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
err++;
tmp = cmd->convert_src;
cmd->convert_src &= TRIG_NOW;
if (!cmd->convert_src || tmp != cmd->convert_src)
err++;
tmp = cmd->scan_end_src;
cmd->scan_end_src &= TRIG_COUNT;
if (!cmd->scan_end_src || tmp != cmd->scan_end_src)
err++;
tmp = cmd->stop_src;
cmd->stop_src &= TRIG_COUNT | TRIG_NONE;
if (!cmd->stop_src || tmp != cmd->stop_src)
err++;
if (err)
return 1;
/* step 2: make sure trigger sources are unique and mutually
compatible */
/* note that mutual compatibility is not an issue here */
if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_INT)
err++;
if (cmd->scan_begin_src != TRIG_TIMER &&
cmd->scan_begin_src != TRIG_EXT)
err++;
if (err)
return 2;
/* step 3: make sure arguments are trivially compatible */
if (cmd->start_arg != 0) {
/* same for both TRIG_INT and TRIG_NOW */
cmd->start_arg = 0;
err++;
}
#define MAX_SPEED (TIMER_BASE) /* in nanoseconds */
if (cmd->scan_begin_src == TRIG_TIMER) {
if (cmd->scan_begin_arg < MAX_SPEED) {
cmd->scan_begin_arg = MAX_SPEED;
err++;
}
/* no minimum speed */
} else {
/* TRIG_EXT */
/* should be level/edge, hi/lo specification here */
if (cmd->scan_begin_arg != 0) {
cmd->scan_begin_arg = 0;
err++;
}
}
if (cmd->convert_arg != 0) {
cmd->convert_arg = 0;
err++;
}
if (cmd->scan_end_arg != cmd->chanlist_len) {
cmd->scan_end_arg = cmd->chanlist_len;
err++;
}
if (cmd->stop_src == TRIG_COUNT) {
/* no limit */
} else {
/* TRIG_NONE */
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
}
if (err)
return 3;
/* step 4: fix up any arguments */
if (cmd->scan_begin_src == TRIG_TIMER) {
tmp = cmd->scan_begin_arg;
ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
cmd->flags & TRIG_ROUND_MASK);
if (tmp != cmd->scan_begin_arg)
err++;
}
if (err)
return 4;
return 0;
}
