static unsigned int das16_set_pacer(struct comedi_device *dev, unsigned int ns,
int rounding_flags)
{
i8253_cascade_ns_to_timer_2div(devpriv->clockbase, &(devpriv->divisor1),
&(devpriv->divisor2), &ns,
rounding_flags & TRIG_ROUND_MASK);
/* Write the values of ctr1 and ctr2 into counters 1 and 2 */
i8254_load(dev->iobase + DAS16_CNTR0_DATA, 0, 1, devpriv->divisor1, 2);
i8254_load(dev->iobase + DAS16_CNTR0_DATA, 0, 2, devpriv->divisor2, 2);
return ns;
}
static int pcl711_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int tmp;
int err = 0;
/* step 1 */
tmp = cmd->start_src;
cmd->start_src &= TRIG_NOW;
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 */
if (cmd->scan_begin_src != TRIG_TIMER &&
cmd->scan_begin_src != TRIG_EXT)
err++;
if (cmd->stop_src != TRIG_COUNT && cmd->stop_src != TRIG_NONE)
err++;
if (err)
return 2;
/* step 3 */
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
if (cmd->scan_begin_src == TRIG_EXT) {
if (cmd->scan_begin_arg != 0) {
cmd->scan_begin_arg = 0;
err++;
}
} else {
#define MAX_SPEED 1000
#define TIMER_BASE 100
if (cmd->scan_begin_arg < MAX_SPEED) {
cmd->scan_begin_arg = MAX_SPEED;
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_NONE) {
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
} else {
/* ignore */
}
if (err)
return 3;
/* step 4 */
if (cmd->scan_begin_src == TRIG_TIMER) {
tmp = cmd->scan_begin_arg;
i8253_cascade_ns_to_timer_2div(TIMER_BASE,
&devpriv->divisor1,
&devpriv->divisor2,
&cmd->scan_begin_arg,
cmd->flags & TRIG_ROUND_MASK);
if (tmp != cmd->scan_begin_arg)
err++;
}
if (err)
return 4;
return 0;
}
static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
const struct das16_board *board = comedi_board(dev);
int err = 0, tmp;
int gain, start_chan, i;
int mask;
/* make sure triggers are valid */
tmp = cmd->start_src;
cmd->start_src &= TRIG_NOW;
if (!cmd->start_src || tmp != cmd->start_src)
err++;
tmp = cmd->scan_begin_src;
mask = TRIG_FOLLOW;
/* if board supports burst mode */
if (board->size > 0x400)
mask |= TRIG_TIMER | TRIG_EXT;
cmd->scan_begin_src &= mask;
if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
err++;
tmp = cmd->convert_src;
mask = TRIG_TIMER | TRIG_EXT;
/* if board supports burst mode */
if (board->size > 0x400)
mask |= TRIG_NOW;
cmd->convert_src &= mask;
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
*/
if (cmd->scan_begin_src != TRIG_TIMER &&
cmd->scan_begin_src != TRIG_EXT &&
cmd->scan_begin_src != TRIG_FOLLOW)
err++;
if (cmd->convert_src != TRIG_TIMER &&
cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW)
err++;
if (cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_COUNT)
err++;
/* make sure scan_begin_src and convert_src dont conflict */
if (cmd->scan_begin_src == TRIG_FOLLOW && cmd->convert_src == TRIG_NOW)
err++;
if (cmd->scan_begin_src != TRIG_FOLLOW && cmd->convert_src != TRIG_NOW)
err++;
if (err)
return 2;
/* step 3: make sure arguments are trivially compatible */
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
if (cmd->scan_begin_src == TRIG_FOLLOW) {
/* internal trigger */
if (cmd->scan_begin_arg != 0) {
cmd->scan_begin_arg = 0;
err++;
}
}
if (cmd->scan_end_arg != cmd->chanlist_len) {
cmd->scan_end_arg = cmd->chanlist_len;
err++;
}
/* check against maximum frequency */
if (cmd->scan_begin_src == TRIG_TIMER) {
if (cmd->scan_begin_arg <
board->ai_speed * cmd->chanlist_len) {
cmd->scan_begin_arg =
board->ai_speed * cmd->chanlist_len;
err++;
}
}
if (cmd->convert_src == TRIG_TIMER) {
if (cmd->convert_arg < board->ai_speed) {
cmd->convert_arg = board->ai_speed;
err++;
}
}
if (cmd->stop_src == TRIG_NONE) {
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
}
if (err)
return 3;
/* step 4: fix up arguments */
if (cmd->scan_begin_src == TRIG_TIMER) {
unsigned int tmp = cmd->scan_begin_arg;
/* set divisors, correct timing arguments */
i8253_cascade_ns_to_timer_2div(devpriv->clockbase,
&(devpriv->divisor1),
&(devpriv->divisor2),
&(cmd->scan_begin_arg),
cmd->flags & TRIG_ROUND_MASK);
err += (tmp != cmd->scan_begin_arg);
}
if (cmd->convert_src == TRIG_TIMER) {
unsigned int tmp = cmd->convert_arg;
/* set divisors, correct timing arguments */
i8253_cascade_ns_to_timer_2div(devpriv->clockbase,
&(devpriv->divisor1),
&(devpriv->divisor2),
&(cmd->convert_arg),
cmd->flags & TRIG_ROUND_MASK);
err += (tmp != cmd->convert_arg);
}
if (err)
return 4;
/* check channel/gain list against card's limitations */
if (cmd->chanlist) {
gain = CR_RANGE(cmd->chanlist[0]);
start_chan = CR_CHAN(cmd->chanlist[0]);
for (i = 1; i < cmd->chanlist_len; i++) {
if (CR_CHAN(cmd->chanlist[i]) !=
(start_chan + i) % s->n_chan) {
comedi_error(dev,
"entries in chanlist must be "
"consecutive channels, "
"counting upwards\n");
err++;
}
if (CR_RANGE(cmd->chanlist[i]) != gain) {
comedi_error(dev,
"entries in chanlist must all "
"have the same gain\n");
err++;
}
}
}
if (err)
return 5;
return 0;
}
static int pcl711_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int tmp;
int err = 0;
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
err |= cfc_check_trigger_src(&cmd->scan_begin_src,
TRIG_TIMER | TRIG_EXT);
err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW);
err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
if (err)
return 1;
/* Step 2a : make sure trigger sources are unique */
err |= cfc_check_trigger_is_unique(cmd->scan_begin_src);
err |= cfc_check_trigger_is_unique(cmd->stop_src);
/* Step 2b : and mutually compatible */
if (err)
return 2;
/* step 3 */
if (cmd->start_arg != 0) {
cmd->start_arg = 0;
err++;
}
if (cmd->scan_begin_src == TRIG_EXT) {
if (cmd->scan_begin_arg != 0) {
cmd->scan_begin_arg = 0;
err++;
}
} else {
#define MAX_SPEED 1000
#define TIMER_BASE 100
if (cmd->scan_begin_arg < MAX_SPEED) {
cmd->scan_begin_arg = MAX_SPEED;
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_NONE) {
if (cmd->stop_arg != 0) {
cmd->stop_arg = 0;
err++;
}
} else {
/* ignore */
}
if (err)
return 3;
/* step 4 */
if (cmd->scan_begin_src == TRIG_TIMER) {
tmp = cmd->scan_begin_arg;
i8253_cascade_ns_to_timer_2div(TIMER_BASE,
&devpriv->divisor1,
&devpriv->divisor2,
&cmd->scan_begin_arg,
cmd->flags & TRIG_ROUND_MASK);
if (tmp != cmd->scan_begin_arg)
err++;
}
if (err)
return 4;
return 0;
}
