#include "8253.h"
#include "amcc_s5933.h"
-/* hardware types of the cards */
-#define TYPE_PCI171X 0
-#define TYPE_PCI1713 2
-#define TYPE_PCI1720 3
-
#define PCI171x_AD_DATA 0 /* R: A/D data */
#define PCI171x_SOFTTRG 0 /* W: soft trigger for A/D */
#define PCI171x_RANGE 2 /* W: A/D gain/range register */
static const char range_codes_pci17x1[] = { 0x00, 0x01, 0x02, 0x03, 0x04 };
-static const struct comedi_lrange range_pci1720 = {
+static const struct comedi_lrange pci1720_ao_range = {
4, {
UNI_RANGE(5),
UNI_RANGE(10),
}
};
-static const struct comedi_lrange range_pci171x_da = {
+static const struct comedi_lrange pci171x_ao_range = {
2, {
UNI_RANGE(5),
UNI_RANGE(10)
struct boardtype {
const char *name; /* board name */
- char have_irq; /* 1=card support IRQ */
- char cardtype; /* 0=1710& co. 2=1713, ... */
int n_aichan; /* num of A/D chans */
- int n_aichand; /* num of A/D chans in diff mode */
- int n_aochan; /* num of D/A chans */
- int n_dichan; /* num of DI chans */
- int n_dochan; /* num of DO chans */
- int n_counter; /* num of counters */
- int ai_maxdata; /* resolution of A/D */
- int ao_maxdata; /* resolution of D/A */
const struct comedi_lrange *rangelist_ai; /* rangelist for A/D */
const char *rangecode_ai; /* range codes for programming */
- const struct comedi_lrange *rangelist_ao; /* rangelist for D/A */
- unsigned int ai_ns_min; /* max sample speed of card v ns */
- unsigned int fifo_half_size; /* size of FIFO/2 */
+ unsigned int is_pci1713:1;
+ unsigned int is_pci1720:1;
+ unsigned int has_irq:1;
+ unsigned int has_large_fifo:1; /* 4K or 1K FIFO */
+ unsigned int has_diff_ai:1;
+ unsigned int has_ao:1;
+ unsigned int has_di_do:1;
+ unsigned int has_counter:1;
};
static const struct boardtype boardtypes[] = {
[BOARD_PCI1710] = {
.name = "pci1710",
- .have_irq = 1,
- .cardtype = TYPE_PCI171X,
.n_aichan = 16,
- .n_aichand = 8,
- .n_aochan = 2,
- .n_dichan = 16,
- .n_dochan = 16,
- .n_counter = 1,
- .ai_maxdata = 0x0fff,
- .ao_maxdata = 0x0fff,
.rangelist_ai = &range_pci1710_3,
.rangecode_ai = range_codes_pci1710_3,
- .rangelist_ao = &range_pci171x_da,
- .ai_ns_min = 10000,
- .fifo_half_size = 2048,
+ .has_irq = 1,
+ .has_large_fifo = 1,
+ .has_diff_ai = 1,
+ .has_ao = 1,
+ .has_di_do = 1,
+ .has_counter = 1,
},
[BOARD_PCI1710HG] = {
.name = "pci1710hg",
- .have_irq = 1,
- .cardtype = TYPE_PCI171X,
.n_aichan = 16,
- .n_aichand = 8,
- .n_aochan = 2,
- .n_dichan = 16,
- .n_dochan = 16,
- .n_counter = 1,
- .ai_maxdata = 0x0fff,
- .ao_maxdata = 0x0fff,
.rangelist_ai = &range_pci1710hg,
.rangecode_ai = range_codes_pci1710hg,
- .rangelist_ao = &range_pci171x_da,
- .ai_ns_min = 10000,
- .fifo_half_size = 2048,
+ .has_irq = 1,
+ .has_large_fifo = 1,
+ .has_diff_ai = 1,
+ .has_ao = 1,
+ .has_di_do = 1,
+ .has_counter = 1,
},
[BOARD_PCI1711] = {
.name = "pci1711",
- .have_irq = 1,
- .cardtype = TYPE_PCI171X,
.n_aichan = 16,
- .n_aochan = 2,
- .n_dichan = 16,
- .n_dochan = 16,
- .n_counter = 1,
- .ai_maxdata = 0x0fff,
- .ao_maxdata = 0x0fff,
.rangelist_ai = &range_pci17x1,
.rangecode_ai = range_codes_pci17x1,
- .rangelist_ao = &range_pci171x_da,
- .ai_ns_min = 10000,
- .fifo_half_size = 512,
+ .has_irq = 1,
+ .has_ao = 1,
+ .has_di_do = 1,
+ .has_counter = 1,
},
[BOARD_PCI1713] = {
.name = "pci1713",
- .have_irq = 1,
- .cardtype = TYPE_PCI1713,
.n_aichan = 32,
- .n_aichand = 16,
- .ai_maxdata = 0x0fff,
.rangelist_ai = &range_pci1710_3,
.rangecode_ai = range_codes_pci1710_3,
- .ai_ns_min = 10000,
- .fifo_half_size = 2048,
+ .is_pci1713 = 1,
+ .has_irq = 1,
+ .has_large_fifo = 1,
+ .has_diff_ai = 1,
},
[BOARD_PCI1720] = {
.name = "pci1720",
- .cardtype = TYPE_PCI1720,
- .n_aochan = 4,
- .ao_maxdata = 0x0fff,
- .rangelist_ao = &range_pci1720,
+ .is_pci1720 = 1,
+ .has_ao = 1,
},
[BOARD_PCI1731] = {
.name = "pci1731",
- .have_irq = 1,
- .cardtype = TYPE_PCI171X,
.n_aichan = 16,
- .n_dichan = 16,
- .n_dochan = 16,
- .ai_maxdata = 0x0fff,
.rangelist_ai = &range_pci17x1,
.rangecode_ai = range_codes_pci17x1,
- .ai_ns_min = 10000,
- .fifo_half_size = 512,
+ .has_irq = 1,
+ .has_di_do = 1,
},
};
struct pci1710_private {
+ unsigned int max_samples;
unsigned int CntrlReg; /* Control register */
unsigned char ai_et;
unsigned int ai_et_CntrlReg;
unsigned int act_chanlist[32]; /* list of scanned channel */
unsigned char saved_seglen; /* len of the non-repeating chanlist */
unsigned char da_ranges; /* copy of D/A outpit range register */
- unsigned short ao_data[4]; /* data output buffer */
unsigned int cnt0_write_wait; /* after a write, wait for update of the
* internal state */
};
-/* used for gain list programming */
-static const unsigned int muxonechan[] = {
- 0x0000, 0x0101, 0x0202, 0x0303, 0x0404, 0x0505, 0x0606, 0x0707,
- 0x0808, 0x0909, 0x0a0a, 0x0b0b, 0x0c0c, 0x0d0d, 0x0e0e, 0x0f0f,
- 0x1010, 0x1111, 0x1212, 0x1313, 0x1414, 0x1515, 0x1616, 0x1717,
- 0x1818, 0x1919, 0x1a1a, 0x1b1b, 0x1c1c, 0x1d1d, 0x1e1e, 0x1f1f
-};
-
-static int pci171x_ai_dropout(struct comedi_device *dev,
- struct comedi_subdevice *s,
- unsigned int chan,
- unsigned int val)
-{
- const struct boardtype *board = dev->board_ptr;
- struct pci1710_private *devpriv = dev->private;
-
- if (board->cardtype != TYPE_PCI1713) {
- if ((val & 0xf000) != devpriv->act_chanlist[chan]) {
- dev_err(dev->class_dev,
- "A/D data droput: received from channel %d, expected %d\n",
- (val >> 12) & 0xf,
- (devpriv->act_chanlist[chan] >> 12) & 0xf);
- return -ENODATA;
- }
- }
- return 0;
-}
-
static int pci171x_ai_check_chanlist(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
return 0;
}
-static void setup_channel_list(struct comedi_device *dev,
- struct comedi_subdevice *s,
- unsigned int *chanlist, unsigned int n_chan,
- unsigned int seglen)
+static void pci171x_ai_setup_chanlist(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ unsigned int *chanlist,
+ unsigned int n_chan,
+ unsigned int seglen)
{
- const struct boardtype *this_board = dev->board_ptr;
+ const struct boardtype *board = dev->board_ptr;
struct pci1710_private *devpriv = dev->private;
- unsigned int i, range, chanprog;
+ unsigned int first_chan = CR_CHAN(chanlist[0]);
+ unsigned int last_chan = CR_CHAN(chanlist[seglen - 1]);
+ unsigned int i;
for (i = 0; i < seglen; i++) { /* store range list to card */
- chanprog = muxonechan[CR_CHAN(chanlist[i])];
- outw(chanprog, dev->iobase + PCI171x_MUX); /* select channel */
- range = this_board->rangecode_ai[CR_RANGE(chanlist[i])];
- if (CR_AREF(chanlist[i]) == AREF_DIFF)
- range |= 0x0020;
- outw(range, dev->iobase + PCI171x_RANGE); /* select gain */
- devpriv->act_chanlist[i] =
- (CR_CHAN(chanlist[i]) << 12) & 0xf000;
- }
- for ( ; i < n_chan; i++) { /* store remainder of channel list */
- devpriv->act_chanlist[i] =
- (CR_CHAN(chanlist[i]) << 12) & 0xf000;
+ unsigned int chan = CR_CHAN(chanlist[i]);
+ unsigned int range = CR_RANGE(chanlist[i]);
+ unsigned int aref = CR_AREF(chanlist[i]);
+ unsigned int rangeval;
+
+ rangeval = board->rangecode_ai[range];
+ if (aref == AREF_DIFF)
+ rangeval |= 0x0020;
+
+ /* select channel and set range */
+ outw(chan | (chan << 8), dev->iobase + PCI171x_MUX);
+ outw(rangeval, dev->iobase + PCI171x_RANGE);
+
+ devpriv->act_chanlist[i] = chan;
}
+ for ( ; i < n_chan; i++) /* store remainder of channel list */
+ devpriv->act_chanlist[i] = CR_CHAN(chanlist[i]);
- devpriv->ai_et_MuxVal =
- CR_CHAN(chanlist[0]) | (CR_CHAN(chanlist[seglen - 1]) << 8);
/* select channel interval to scan */
+ devpriv->ai_et_MuxVal = first_chan | (last_chan << 8);
outw(devpriv->ai_et_MuxVal, dev->iobase + PCI171x_MUX);
}
return -EBUSY;
}
-static int pci171x_insn_read_ai(struct comedi_device *dev,
+static int pci171x_ai_read_sample(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ unsigned int cur_chan,
+ unsigned int *val)
+{
+ const struct boardtype *board = dev->board_ptr;
+ struct pci1710_private *devpriv = dev->private;
+ unsigned int sample;
+ unsigned int chan;
+
+ sample = inw(dev->iobase + PCI171x_AD_DATA);
+ if (!board->is_pci1713) {
+ /*
+ * The upper 4 bits of the 16-bit sample are the channel number
+ * that the sample was acquired from. Verify that this channel
+ * number matches the expected channel number.
+ */
+ chan = sample >> 12;
+ if (chan != devpriv->act_chanlist[cur_chan]) {
+ dev_err(dev->class_dev,
+ "A/D data droput: received from channel %d, expected %d\n",
+ chan, devpriv->act_chanlist[cur_chan]);
+ return -ENODATA;
+ }
+ }
+ *val = sample & s->maxdata;
+ return 0;
+}
+
+static int pci171x_ai_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
- unsigned int chan = CR_CHAN(insn->chanspec);
int ret = 0;
int i;
outb(0, dev->iobase + PCI171x_CLRFIFO);
outb(0, dev->iobase + PCI171x_CLRINT);
- setup_channel_list(dev, s, &insn->chanspec, 1, 1);
+ pci171x_ai_setup_chanlist(dev, s, &insn->chanspec, 1, 1);
for (i = 0; i < insn->n; i++) {
unsigned int val;
if (ret)
break;
- val = inw(dev->iobase + PCI171x_AD_DATA);
- ret = pci171x_ai_dropout(dev, s, chan, val);
+ ret = pci171x_ai_read_sample(dev, s, 0, &val);
if (ret)
break;
- data[i] = val & s->maxdata;
+ data[i] = val;
}
outb(0, dev->iobase + PCI171x_CLRFIFO);
return ret ? ret : insn->n;
}
-/*
-==============================================================================
-*/
-static int pci171x_insn_write_ao(struct comedi_device *dev,
+static int pci171x_ao_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
- unsigned int val;
- int n, chan, range, ofs;
-
- chan = CR_CHAN(insn->chanspec);
- range = CR_RANGE(insn->chanspec);
- if (chan) {
- devpriv->da_ranges &= 0xfb;
- devpriv->da_ranges |= (range << 2);
- outw(devpriv->da_ranges, dev->iobase + PCI171x_DAREF);
- ofs = PCI171x_DA2;
- } else {
- devpriv->da_ranges &= 0xfe;
- devpriv->da_ranges |= range;
- outw(devpriv->da_ranges, dev->iobase + PCI171x_DAREF);
- ofs = PCI171x_DA1;
- }
- val = devpriv->ao_data[chan];
-
- for (n = 0; n < insn->n; n++) {
- val = data[n];
- outw(val, dev->iobase + ofs);
- }
-
- devpriv->ao_data[chan] = val;
-
- return n;
+ unsigned int chan = CR_CHAN(insn->chanspec);
+ unsigned int range = CR_RANGE(insn->chanspec);
+ unsigned int reg = chan ? PCI171x_DA2 : PCI171x_DA1;
+ unsigned int val = s->readback[chan];
+ int i;
-}
+ devpriv->da_ranges &= ~(1 << (chan << 1));
+ devpriv->da_ranges |= (range << (chan << 1));
+ outw(devpriv->da_ranges, dev->iobase + PCI171x_DAREF);
-/*
-==============================================================================
-*/
-static int pci171x_insn_read_ao(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
-{
- struct pci1710_private *devpriv = dev->private;
- int n, chan;
+ for (i = 0; i < insn->n; i++) {
+ val = data[i];
+ outw(val, dev->iobase + reg);
+ }
- chan = CR_CHAN(insn->chanspec);
- for (n = 0; n < insn->n; n++)
- data[n] = devpriv->ao_data[chan];
+ s->readback[chan] = val;
- return n;
+ return insn->n;
}
-/*
-==============================================================================
-*/
-static int pci171x_insn_bits_di(struct comedi_device *dev,
+static int pci171x_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ struct comedi_insn *insn,
+ unsigned int *data)
{
data[1] = inw(dev->iobase + PCI171x_DI);
return insn->n;
}
-static int pci171x_insn_bits_do(struct comedi_device *dev,
+static int pci171x_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
}
}
-/*
-==============================================================================
-*/
-static int pci171x_insn_counter_read(struct comedi_device *dev,
+static int pci171x_counter_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
return insn->n;
}
-/*
-==============================================================================
-*/
-static int pci171x_insn_counter_write(struct comedi_device *dev,
+static int pci171x_counter_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
return insn->n;
}
-/*
-==============================================================================
-*/
-static int pci171x_insn_counter_config(struct comedi_device *dev,
+static int pci171x_counter_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
return 1;
}
-/*
-==============================================================================
-*/
-static int pci1720_insn_write_ao(struct comedi_device *dev,
+static int pci1720_ao_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+ struct comedi_insn *insn,
+ unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
+ unsigned int chan = CR_CHAN(insn->chanspec);
+ unsigned int range = CR_RANGE(insn->chanspec);
unsigned int val;
- int n, rangereg, chan;
-
- chan = CR_CHAN(insn->chanspec);
- rangereg = devpriv->da_ranges & (~(0x03 << (chan << 1)));
- rangereg |= (CR_RANGE(insn->chanspec) << (chan << 1));
- if (rangereg != devpriv->da_ranges) {
- outb(rangereg, dev->iobase + PCI1720_RANGE);
- devpriv->da_ranges = rangereg;
+ int i;
+
+ val = devpriv->da_ranges & (~(0x03 << (chan << 1)));
+ val |= (range << (chan << 1));
+ if (val != devpriv->da_ranges) {
+ outb(val, dev->iobase + PCI1720_RANGE);
+ devpriv->da_ranges = val;
}
- val = devpriv->ao_data[chan];
- for (n = 0; n < insn->n; n++) {
- val = data[n];
+ val = s->readback[chan];
+ for (i = 0; i < insn->n; i++) {
+ val = data[i];
outw(val, dev->iobase + PCI1720_DA0 + (chan << 1));
- outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */
+ outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */
}
- devpriv->ao_data[chan] = val;
+ s->readback[chan] = val;
- return n;
+ return insn->n;
}
-/*
-==============================================================================
-*/
static int pci171x_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
- const struct boardtype *this_board = dev->board_ptr;
struct pci1710_private *devpriv = dev->private;
- switch (this_board->cardtype) {
- default:
- devpriv->CntrlReg &= Control_CNT0;
- devpriv->CntrlReg |= Control_SW;
- /* reset any operations */
- outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
- pci171x_start_pacer(dev, false);
- outb(0, dev->iobase + PCI171x_CLRFIFO);
- outb(0, dev->iobase + PCI171x_CLRINT);
- break;
- }
+ devpriv->CntrlReg &= Control_CNT0;
+ devpriv->CntrlReg |= Control_SW;
+ /* reset any operations */
+ outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
+ pci171x_start_pacer(dev, false);
+ outb(0, dev->iobase + PCI171x_CLRFIFO);
+ outb(0, dev->iobase + PCI171x_CLRINT);
return 0;
}
status = inw(dev->iobase + PCI171x_STATUS);
if (status & Status_FE) {
dev_dbg(dev->class_dev, "A/D FIFO empty (%4x)\n", status);
- s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
- comedi_handle_events(dev, s);
+ s->async->events |= COMEDI_CB_ERROR;
return;
}
if (status & Status_FF) {
dev_dbg(dev->class_dev,
"A/D FIFO Full status (Fatal Error!) (%4x)\n", status);
- s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
- comedi_handle_events(dev, s);
+ s->async->events |= COMEDI_CB_ERROR;
return;
}
outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */
for (; !(inw(dev->iobase + PCI171x_STATUS) & Status_FE);) {
- val = inw(dev->iobase + PCI171x_AD_DATA);
- ret = pci171x_ai_dropout(dev, s, s->async->cur_chan, val);
+ ret = pci171x_ai_read_sample(dev, s, s->async->cur_chan, &val);
if (ret) {
- s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
+ s->async->events |= COMEDI_CB_ERROR;
break;
}
- val &= s->maxdata;
comedi_buf_write_samples(s, &val, 1);
if (cmd->stop_src == TRIG_COUNT &&
}
outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */
-
- comedi_handle_events(dev, s);
-}
-
-/*
-==============================================================================
-*/
-static int move_block_from_fifo(struct comedi_device *dev,
- struct comedi_subdevice *s, int n, int turn)
-{
- unsigned int val;
- int ret;
- int i;
-
- for (i = 0; i < n; i++) {
- val = inw(dev->iobase + PCI171x_AD_DATA);
-
- ret = pci171x_ai_dropout(dev, s, s->async->cur_chan, val);
- if (ret) {
- s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
- return ret;
- }
-
- val &= s->maxdata;
- comedi_buf_write_samples(s, &val, 1);
- }
- return 0;
}
static void pci1710_handle_fifo(struct comedi_device *dev,
struct comedi_subdevice *s)
{
- const struct boardtype *this_board = dev->board_ptr;
- struct comedi_cmd *cmd = &s->async->cmd;
- unsigned int nsamples;
- unsigned int m;
-
- m = inw(dev->iobase + PCI171x_STATUS);
- if (!(m & Status_FH)) {
- dev_dbg(dev->class_dev, "A/D FIFO not half full! (%4x)\n", m);
- s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
- comedi_handle_events(dev, s);
+ struct pci1710_private *devpriv = dev->private;
+ struct comedi_async *async = s->async;
+ struct comedi_cmd *cmd = &async->cmd;
+ unsigned int status;
+ int i;
+
+ status = inw(dev->iobase + PCI171x_STATUS);
+ if (!(status & Status_FH)) {
+ dev_dbg(dev->class_dev, "A/D FIFO not half full!\n");
+ async->events |= COMEDI_CB_ERROR;
return;
}
- if (m & Status_FF) {
+ if (status & Status_FF) {
dev_dbg(dev->class_dev,
- "A/D FIFO Full status (Fatal Error!) (%4x)\n", m);
- s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
- comedi_handle_events(dev, s);
+ "A/D FIFO Full status (Fatal Error!)\n");
+ async->events |= COMEDI_CB_ERROR;
return;
}
- nsamples = this_board->fifo_half_size;
- if (comedi_samples_to_bytes(s, nsamples) >= s->async->prealloc_bufsz) {
- m = comedi_bytes_to_samples(s, s->async->prealloc_bufsz);
- if (move_block_from_fifo(dev, s, m, 0))
- return;
- nsamples -= m;
- }
+ for (i = 0; i < devpriv->max_samples; i++) {
+ unsigned int val;
+ int ret;
- if (nsamples) {
- if (move_block_from_fifo(dev, s, nsamples, 1))
- return;
- }
+ ret = pci171x_ai_read_sample(dev, s, s->async->cur_chan, &val);
+ if (ret) {
+ s->async->events |= COMEDI_CB_ERROR;
+ break;
+ }
- if (cmd->stop_src == TRIG_COUNT &&
- s->async->scans_done >= cmd->stop_arg) {
- s->async->events |= COMEDI_CB_EOA;
- comedi_handle_events(dev, s);
- return;
+ if (!comedi_buf_write_samples(s, &val, 1))
+ break;
+
+ if (cmd->stop_src == TRIG_COUNT &&
+ async->scans_done >= cmd->stop_arg) {
+ async->events |= COMEDI_CB_EOA;
+ break;
+ }
}
- outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */
- comedi_handle_events(dev, s);
+ outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */
}
-/*
-==============================================================================
-*/
static irqreturn_t interrupt_service_pci1710(int irq, void *d)
{
struct comedi_device *dev = d;
else
pci1710_handle_fifo(dev, s);
+ comedi_handle_events(dev, s);
+
return IRQ_HANDLED;
}
pci171x_start_pacer(dev, false);
- setup_channel_list(dev, s, cmd->chanlist, cmd->chanlist_len,
- devpriv->saved_seglen);
+ pci171x_ai_setup_chanlist(dev, s, cmd->chanlist, cmd->chanlist_len,
+ devpriv->saved_seglen);
outb(0, dev->iobase + PCI171x_CLRFIFO);
outb(0, dev->iobase + PCI171x_CLRINT);
return 0;
}
-/*
-==============================================================================
-*/
static int pci171x_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
- const struct boardtype *this_board = dev->board_ptr;
struct pci1710_private *devpriv = dev->private;
int err = 0;
unsigned int arg;
err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
if (cmd->convert_src == TRIG_TIMER)
- err |= cfc_check_trigger_arg_min(&cmd->convert_arg,
- this_board->ai_ns_min);
+ err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 10000);
else /* TRIG_FOLLOW */
err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
return 0;
}
-/*
-==============================================================================
-*/
static int pci171x_reset(struct comedi_device *dev)
{
- const struct boardtype *this_board = dev->board_ptr;
+ const struct boardtype *board = dev->board_ptr;
struct pci1710_private *devpriv = dev->private;
outw(0x30, dev->iobase + PCI171x_CNTCTRL);
outb(0, dev->iobase + PCI171x_CLRINT); /* clear INT request */
pci171x_start_pacer(dev, false);
devpriv->da_ranges = 0;
- if (this_board->n_aochan) {
+ if (board->has_ao) {
/* set DACs to 0..5V */
outb(devpriv->da_ranges, dev->iobase + PCI171x_DAREF);
outw(0, dev->iobase + PCI171x_DA1); /* set DA outputs to 0V */
- devpriv->ao_data[0] = 0x0000;
- if (this_board->n_aochan > 1) {
- outw(0, dev->iobase + PCI171x_DA2);
- devpriv->ao_data[1] = 0x0000;
- }
+ outw(0, dev->iobase + PCI171x_DA2);
}
outw(0, dev->iobase + PCI171x_DO); /* digital outputs to 0 */
outb(0, dev->iobase + PCI171x_CLRFIFO); /* clear FIFO */
return 0;
}
-/*
-==============================================================================
-*/
static int pci1720_reset(struct comedi_device *dev)
{
struct pci1710_private *devpriv = dev->private;
outw(0x0800, dev->iobase + PCI1720_DA2);
outw(0x0800, dev->iobase + PCI1720_DA3);
outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */
- devpriv->ao_data[0] = 0x0800;
- devpriv->ao_data[1] = 0x0800;
- devpriv->ao_data[2] = 0x0800;
- devpriv->ao_data[3] = 0x0800;
+
return 0;
}
-/*
-==============================================================================
-*/
static int pci1710_reset(struct comedi_device *dev)
{
- const struct boardtype *this_board = dev->board_ptr;
+ const struct boardtype *board = dev->board_ptr;
- switch (this_board->cardtype) {
- case TYPE_PCI1720:
+ if (board->is_pci1720)
return pci1720_reset(dev);
- default:
- return pci171x_reset(dev);
- }
+
+ return pci171x_reset(dev);
}
static int pci1710_auto_attach(struct comedi_device *dev,
unsigned long context)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
- const struct boardtype *this_board = NULL;
+ const struct boardtype *board = NULL;
struct pci1710_private *devpriv;
struct comedi_subdevice *s;
int ret, subdev, n_subdevices;
if (context < ARRAY_SIZE(boardtypes))
- this_board = &boardtypes[context];
- if (!this_board)
+ board = &boardtypes[context];
+ if (!board)
return -ENODEV;
- dev->board_ptr = this_board;
- dev->board_name = this_board->name;
+ dev->board_ptr = board;
+ dev->board_name = board->name;
devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
if (!devpriv)
dev->iobase = pci_resource_start(pcidev, 2);
n_subdevices = 0;
- if (this_board->n_aichan)
- n_subdevices++;
- if (this_board->n_aochan)
- n_subdevices++;
- if (this_board->n_dichan)
+ if (board->n_aichan)
n_subdevices++;
- if (this_board->n_dochan)
+ if (board->has_ao)
n_subdevices++;
- if (this_board->n_counter)
+ if (board->has_di_do)
+ n_subdevices += 2;
+ if (board->has_counter)
n_subdevices++;
ret = comedi_alloc_subdevices(dev, n_subdevices);
pci1710_reset(dev);
- if (this_board->have_irq && pcidev->irq) {
+ if (board->has_irq && pcidev->irq) {
ret = request_irq(pcidev->irq, interrupt_service_pci1710,
IRQF_SHARED, dev->board_name, dev);
if (ret == 0)
subdev = 0;
- if (this_board->n_aichan) {
+ if (board->n_aichan) {
s = &dev->subdevices[subdev];
- s->type = COMEDI_SUBD_AI;
- s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND;
- if (this_board->n_aichand)
- s->subdev_flags |= SDF_DIFF;
- s->n_chan = this_board->n_aichan;
- s->maxdata = this_board->ai_maxdata;
- s->range_table = this_board->rangelist_ai;
- s->insn_read = pci171x_insn_read_ai;
+ s->type = COMEDI_SUBD_AI;
+ s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND;
+ if (board->has_diff_ai)
+ s->subdev_flags |= SDF_DIFF;
+ s->n_chan = board->n_aichan;
+ s->maxdata = 0x0fff;
+ s->range_table = board->rangelist_ai;
+ s->insn_read = pci171x_ai_insn_read;
if (dev->irq) {
dev->read_subdev = s;
- s->subdev_flags |= SDF_CMD_READ;
- s->len_chanlist = s->n_chan;
- s->do_cmdtest = pci171x_ai_cmdtest;
- s->do_cmd = pci171x_ai_cmd;
- s->cancel = pci171x_ai_cancel;
+ s->subdev_flags |= SDF_CMD_READ;
+ s->len_chanlist = s->n_chan;
+ s->do_cmdtest = pci171x_ai_cmdtest;
+ s->do_cmd = pci171x_ai_cmd;
+ s->cancel = pci171x_ai_cancel;
}
subdev++;
}
- if (this_board->n_aochan) {
+ if (board->has_ao) {
s = &dev->subdevices[subdev];
- s->type = COMEDI_SUBD_AO;
- s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
- s->n_chan = this_board->n_aochan;
- s->maxdata = this_board->ao_maxdata;
- s->len_chanlist = this_board->n_aochan;
- s->range_table = this_board->rangelist_ao;
- switch (this_board->cardtype) {
- case TYPE_PCI1720:
- s->insn_write = pci1720_insn_write_ao;
- break;
- default:
- s->insn_write = pci171x_insn_write_ao;
- break;
+ s->type = COMEDI_SUBD_AO;
+ s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
+ s->maxdata = 0x0fff;
+ if (board->is_pci1720) {
+ s->n_chan = 4;
+ s->range_table = &pci1720_ao_range;
+ s->insn_write = pci1720_ao_insn_write;
+ } else {
+ s->n_chan = 2;
+ s->range_table = &pci171x_ao_range;
+ s->insn_write = pci171x_ao_insn_write;
}
- s->insn_read = pci171x_insn_read_ao;
+
+ ret = comedi_alloc_subdev_readback(s);
+ if (ret)
+ return ret;
+
+ /* initialize the readback values to match the board reset */
+ if (board->is_pci1720) {
+ int i;
+
+ for (i = 0; i < s->n_chan; i++)
+ s->readback[i] = 0x0800;
+ }
+
subdev++;
}
- if (this_board->n_dichan) {
+ if (board->has_di_do) {
s = &dev->subdevices[subdev];
- s->type = COMEDI_SUBD_DI;
- s->subdev_flags = SDF_READABLE;
- s->n_chan = this_board->n_dichan;
- s->maxdata = 1;
- s->len_chanlist = this_board->n_dichan;
- s->range_table = &range_digital;
- s->insn_bits = pci171x_insn_bits_di;
+ s->type = COMEDI_SUBD_DI;
+ s->subdev_flags = SDF_READABLE;
+ s->n_chan = 16;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = pci171x_di_insn_bits;
subdev++;
- }
- if (this_board->n_dochan) {
s = &dev->subdevices[subdev];
- s->type = COMEDI_SUBD_DO;
- s->subdev_flags = SDF_WRITABLE;
- s->n_chan = this_board->n_dochan;
- s->maxdata = 1;
- s->len_chanlist = this_board->n_dochan;
- s->range_table = &range_digital;
- s->insn_bits = pci171x_insn_bits_do;
+ s->type = COMEDI_SUBD_DO;
+ s->subdev_flags = SDF_WRITABLE;
+ s->n_chan = 16;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = pci171x_do_insn_bits;
subdev++;
}
- if (this_board->n_counter) {
+ if (board->has_counter) {
s = &dev->subdevices[subdev];
- s->type = COMEDI_SUBD_COUNTER;
- s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
- s->n_chan = this_board->n_counter;
- s->len_chanlist = this_board->n_counter;
- s->maxdata = 0xffff;
- s->range_table = &range_unknown;
- s->insn_read = pci171x_insn_counter_read;
- s->insn_write = pci171x_insn_counter_write;
- s->insn_config = pci171x_insn_counter_config;
+ s->type = COMEDI_SUBD_COUNTER;
+ s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+ s->n_chan = 1;
+ s->maxdata = 0xffff;
+ s->range_table = &range_unknown;
+ s->insn_read = pci171x_counter_insn_read;
+ s->insn_write = pci171x_counter_insn_write;
+ s->insn_config = pci171x_counter_insn_config;
subdev++;
}
+ /* max_samples is half the FIFO size (2 bytes/sample) */
+ devpriv->max_samples = (board->has_large_fifo) ? 2048 : 512;
+
return 0;
}
module_comedi_pci_driver(adv_pci1710_driver, adv_pci1710_pci_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
-MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_DESCRIPTION("Comedi: Advantech PCI-1710 Series Multifunction DAS Cards");
MODULE_LICENSE("GPL");
projects / firefly-linux-kernel-4.4.55.git / blobdiff