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|
/*
* comedi/drivers/adv_pci1710.c
*
* Author: Michal Dobes <dobes@tesnet.cz>
*
* Thanks to ZhenGang Shang <ZhenGang.Shang@Advantech.com.cn>
* for testing and informations.
*
* hardware driver for Advantech cards:
* card: PCI-1710, PCI-1710HG, PCI-1711, PCI-1713, PCI-1720, PCI-1731
* driver: pci1710, pci1710hg, pci1711, pci1713, pci1720, pci1731
*
* Options:
* [0] - PCI bus number - if bus number and slot number are 0,
* then driver search for first unused card
* [1] - PCI slot number
*
*/
/*
Driver: adv_pci1710
Description: Advantech PCI-1710, PCI-1710HG, PCI-1711, PCI-1713,
Advantech PCI-1720, PCI-1731
Author: Michal Dobes <dobes@tesnet.cz>
Devices: [Advantech] PCI-1710 (adv_pci1710), PCI-1710HG (pci1710hg),
PCI-1711 (adv_pci1710), PCI-1713, PCI-1720,
PCI-1731
Status: works
This driver supports AI, AO, DI and DO subdevices.
AI subdevice supports cmd and insn interface,
other subdevices support only insn interface.
The PCI-1710 and PCI-1710HG have the same PCI device ID, so the
driver cannot distinguish between them, as would be normal for a
PCI driver.
Configuration options:
[0] - PCI bus of device (optional)
[1] - PCI slot of device (optional)
If bus/slot is not specified, the first available PCI
device will be used.
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include "../comedidev.h"
#include "comedi_fc.h"
#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 */
#define PCI171x_MUX 4 /* W: A/D multiplexor control */
#define PCI171x_STATUS 6 /* R: status register */
#define PCI171x_CONTROL 6 /* W: control register */
#define PCI171x_CLRINT 8 /* W: clear interrupts request */
#define PCI171x_CLRFIFO 9 /* W: clear FIFO */
#define PCI171x_DA1 10 /* W: D/A register */
#define PCI171x_DA2 12 /* W: D/A register */
#define PCI171x_DAREF 14 /* W: D/A reference control */
#define PCI171x_DI 16 /* R: digi inputs */
#define PCI171x_DO 16 /* R: digi inputs */
#define PCI171X_TIMER_BASE 0x18
#define PCI171x_CNT0 24 /* R/W: 8254 counter 0 */
#define PCI171x_CNT1 26 /* R/W: 8254 counter 1 */
#define PCI171x_CNT2 28 /* R/W: 8254 counter 2 */
#define PCI171x_CNTCTRL 30 /* W: 8254 counter control */
/* upper bits from status register (PCI171x_STATUS) (lower is same with control
* reg) */
#define Status_FE 0x0100 /* 1=FIFO is empty */
#define Status_FH 0x0200 /* 1=FIFO is half full */
#define Status_FF 0x0400 /* 1=FIFO is full, fatal error */
#define Status_IRQ 0x0800 /* 1=IRQ occurred */
/* bits from control register (PCI171x_CONTROL) */
#define Control_CNT0 0x0040 /* 1=CNT0 have external source,
* 0=have internal 100kHz source */
#define Control_ONEFH 0x0020 /* 1=IRQ on FIFO is half full, 0=every sample */
#define Control_IRQEN 0x0010 /* 1=enable IRQ */
#define Control_GATE 0x0008 /* 1=enable external trigger GATE (8254?) */
#define Control_EXT 0x0004 /* 1=external trigger source */
#define Control_PACER 0x0002 /* 1=enable internal 8254 trigger source */
#define Control_SW 0x0001 /* 1=enable software trigger source */
/* bits from counter control register (PCI171x_CNTCTRL) */
#define Counter_BCD 0x0001 /* 0 = binary counter, 1 = BCD counter */
#define Counter_M0 0x0002 /* M0-M2 select modes 0-5 */
#define Counter_M1 0x0004 /* 000 = mode 0, 010 = mode 2 ... */
#define Counter_M2 0x0008
#define Counter_RW0 0x0010 /* RW0/RW1 select read/write mode */
#define Counter_RW1 0x0020
#define Counter_SC0 0x0040 /* Select Counter. Only 00 or 11 may */
#define Counter_SC1 0x0080 /* be used, 00 for CNT0,
* 11 for read-back command */
#define PCI1720_DA0 0 /* W: D/A register 0 */
#define PCI1720_DA1 2 /* W: D/A register 1 */
#define PCI1720_DA2 4 /* W: D/A register 2 */
#define PCI1720_DA3 6 /* W: D/A register 3 */
#define PCI1720_RANGE 8 /* R/W: D/A range register */
#define PCI1720_SYNCOUT 9 /* W: D/A synchronized output register */
#define PCI1720_SYNCONT 15 /* R/W: D/A synchronized control */
/* D/A synchronized control (PCI1720_SYNCONT) */
#define Syncont_SC0 1 /* set synchronous output mode */
static const struct comedi_lrange range_pci1710_3 = {
9, {
BIP_RANGE(5),
BIP_RANGE(2.5),
BIP_RANGE(1.25),
BIP_RANGE(0.625),
BIP_RANGE(10),
UNI_RANGE(10),
UNI_RANGE(5),
UNI_RANGE(2.5),
UNI_RANGE(1.25)
}
};
static const char range_codes_pci1710_3[] = { 0x00, 0x01, 0x02, 0x03, 0x04,
0x10, 0x11, 0x12, 0x13 };
static const struct comedi_lrange range_pci1710hg = {
12, {
BIP_RANGE(5),
BIP_RANGE(0.5),
BIP_RANGE(0.05),
BIP_RANGE(0.005),
BIP_RANGE(10),
BIP_RANGE(1),
BIP_RANGE(0.1),
BIP_RANGE(0.01),
UNI_RANGE(10),
UNI_RANGE(1),
UNI_RANGE(0.1),
UNI_RANGE(0.01)
}
};
static const char range_codes_pci1710hg[] = { 0x00, 0x01, 0x02, 0x03, 0x04,
0x05, 0x06, 0x07, 0x10, 0x11,
0x12, 0x13 };
static const struct comedi_lrange range_pci17x1 = {
5, {
BIP_RANGE(10),
BIP_RANGE(5),
BIP_RANGE(2.5),
BIP_RANGE(1.25),
BIP_RANGE(0.625)
}
};
static const char range_codes_pci17x1[] = { 0x00, 0x01, 0x02, 0x03, 0x04 };
static const struct comedi_lrange range_pci1720 = {
4, {
UNI_RANGE(5),
UNI_RANGE(10),
BIP_RANGE(5),
BIP_RANGE(10)
}
};
static const struct comedi_lrange range_pci171x_da = {
2, {
UNI_RANGE(5),
UNI_RANGE(10)
}
};
enum pci1710_boardid {
BOARD_PCI1710,
BOARD_PCI1710HG,
BOARD_PCI1711,
BOARD_PCI1713,
BOARD_PCI1720,
BOARD_PCI1731,
};
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 */
};
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,
},
[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,
},
[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,
},
[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,
},
[BOARD_PCI1720] = {
.name = "pci1720",
.cardtype = TYPE_PCI1720,
.n_aochan = 4,
.ao_maxdata = 0x0fff,
.rangelist_ao = &range_pci1720,
},
[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,
},
};
struct pci1710_private {
unsigned int CntrlReg; /* Control register */
unsigned int ai_act_scan; /* how many scans we finished */
unsigned char ai_et;
unsigned int ai_et_CntrlReg;
unsigned int ai_et_MuxVal;
unsigned int next_divisor1;
unsigned int next_divisor2;
unsigned int divisor1;
unsigned int divisor2;
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 = comedi_board(dev);
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)
{
struct pci1710_private *devpriv = dev->private;
unsigned int chan0 = CR_CHAN(cmd->chanlist[0]);
unsigned int last_aref = CR_AREF(cmd->chanlist[0]);
unsigned int next_chan = (chan0 + 1) % s->n_chan;
unsigned int chansegment[32];
unsigned int seglen;
int i;
if (cmd->chanlist_len == 1) {
devpriv->saved_seglen = cmd->chanlist_len;
return 0;
}
/* first channel is always ok */
chansegment[0] = cmd->chanlist[0];
for (i = 1; i < cmd->chanlist_len; i++) {
unsigned int chan = CR_CHAN(cmd->chanlist[i]);
unsigned int aref = CR_AREF(cmd->chanlist[i]);
if (cmd->chanlist[0] == cmd->chanlist[i])
break; /* we detected a loop, stop */
if (aref == AREF_DIFF && (chan & 1)) {
dev_err(dev->class_dev,
"Odd channel cannot be differential input!\n");
return -EINVAL;
}
if (last_aref == AREF_DIFF)
next_chan = (next_chan + 1) % s->n_chan;
if (chan != next_chan) {
dev_err(dev->class_dev,
"channel list must be continuous! chanlist[%i]=%d but must be %d or %d!\n",
i, chan, next_chan, chan0);
return -EINVAL;
}
/* next correct channel in list */
chansegment[i] = cmd->chanlist[i];
last_aref = aref;
}
seglen = i;
for (i = 0; i < cmd->chanlist_len; i++) {
if (cmd->chanlist[i] != chansegment[i % seglen]) {
dev_err(dev->class_dev,
"bad channel, reference or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n",
i, CR_CHAN(chansegment[i]),
CR_RANGE(chansegment[i]),
CR_AREF(chansegment[i]),
CR_CHAN(cmd->chanlist[i % seglen]),
CR_RANGE(cmd->chanlist[i % seglen]),
CR_AREF(chansegment[i % seglen]));
return -EINVAL;
}
}
devpriv->saved_seglen = seglen;
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)
{
const struct boardtype *this_board = comedi_board(dev);
struct pci1710_private *devpriv = dev->private;
unsigned int i, range, chanprog;
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;
}
devpriv->ai_et_MuxVal =
CR_CHAN(chanlist[0]) | (CR_CHAN(chanlist[seglen - 1]) << 8);
/* select channel interval to scan */
outw(devpriv->ai_et_MuxVal, dev->iobase + PCI171x_MUX);
}
static int pci171x_ai_eoc(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned long context)
{
unsigned int status;
status = inw(dev->iobase + PCI171x_STATUS);
if ((status & Status_FE) == 0)
return 0;
return -EBUSY;
}
static int pci171x_insn_read_ai(struct comedi_device *dev,
struct comedi_subdevice *s,
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;
devpriv->CntrlReg &= Control_CNT0;
devpriv->CntrlReg |= Control_SW; /* set software trigger */
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
outb(0, dev->iobase + PCI171x_CLRFIFO);
outb(0, dev->iobase + PCI171x_CLRINT);
setup_channel_list(dev, s, &insn->chanspec, 1, 1);
for (i = 0; i < insn->n; i++) {
unsigned int val;
outw(0, dev->iobase + PCI171x_SOFTTRG); /* start conversion */
ret = comedi_timeout(dev, s, insn, pci171x_ai_eoc, 0);
if (ret)
break;
val = inw(dev->iobase + PCI171x_AD_DATA);
ret = pci171x_ai_dropout(dev, s, chan, val);
if (ret)
break;
data[i] = val & s->maxdata;
}
outb(0, dev->iobase + PCI171x_CLRFIFO);
outb(0, dev->iobase + PCI171x_CLRINT);
return ret ? ret : insn->n;
}
/*
==============================================================================
*/
static int pci171x_insn_write_ao(struct comedi_device *dev,
struct comedi_subdevice *s,
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;
}
/*
==============================================================================
*/
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;
chan = CR_CHAN(insn->chanspec);
for (n = 0; n < insn->n; n++)
data[n] = devpriv->ao_data[chan];
return n;
}
/*
==============================================================================
*/
static int pci171x_insn_bits_di(struct comedi_device *dev,
struct comedi_subdevice *s,
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,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
if (comedi_dio_update_state(s, data))
outw(s->state, dev->iobase + PCI171x_DO);
data[1] = s->state;
return insn->n;
}
static void pci171x_start_pacer(struct comedi_device *dev,
bool load_counters)
{
struct pci1710_private *devpriv = dev->private;
unsigned long timer_base = dev->iobase + PCI171X_TIMER_BASE;
i8254_set_mode(timer_base, 1, 2, I8254_MODE2 | I8254_BINARY);
i8254_set_mode(timer_base, 1, 1, I8254_MODE2 | I8254_BINARY);
if (load_counters) {
i8254_write(timer_base, 1, 2, devpriv->divisor2);
i8254_write(timer_base, 1, 1, devpriv->divisor1);
}
}
/*
==============================================================================
*/
static int pci171x_insn_counter_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
unsigned int msb, lsb, ccntrl;
int i;
ccntrl = 0xD2; /* count only */
for (i = 0; i < insn->n; i++) {
outw(ccntrl, dev->iobase + PCI171x_CNTCTRL);
lsb = inw(dev->iobase + PCI171x_CNT0) & 0xFF;
msb = inw(dev->iobase + PCI171x_CNT0) & 0xFF;
data[0] = lsb | (msb << 8);
}
return insn->n;
}
/*
==============================================================================
*/
static int pci171x_insn_counter_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
uint msb, lsb, ccntrl, status;
lsb = data[0] & 0x00FF;
msb = (data[0] & 0xFF00) >> 8;
/* write lsb, then msb */
outw(lsb, dev->iobase + PCI171x_CNT0);
outw(msb, dev->iobase + PCI171x_CNT0);
if (devpriv->cnt0_write_wait) {
/* wait for the new count to be loaded */
ccntrl = 0xE2;
do {
outw(ccntrl, dev->iobase + PCI171x_CNTCTRL);
status = inw(dev->iobase + PCI171x_CNT0) & 0xFF;
} while (status & 0x40);
}
return insn->n;
}
/*
==============================================================================
*/
static int pci171x_insn_counter_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
#ifdef unused
/* This doesn't work like a normal Comedi counter config */
struct pci1710_private *devpriv = dev->private;
uint ccntrl = 0;
devpriv->cnt0_write_wait = data[0] & 0x20;
/* internal or external clock? */
if (!(data[0] & 0x10)) { /* internal */
devpriv->CntrlReg &= ~Control_CNT0;
} else {
devpriv->CntrlReg |= Control_CNT0;
}
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
if (data[0] & 0x01)
ccntrl |= Counter_M0;
if (data[0] & 0x02)
ccntrl |= Counter_M1;
if (data[0] & 0x04)
ccntrl |= Counter_M2;
if (data[0] & 0x08)
ccntrl |= Counter_BCD;
ccntrl |= Counter_RW0; /* set read/write mode */
ccntrl |= Counter_RW1;
outw(ccntrl, dev->iobase + PCI171x_CNTCTRL);
#endif
return 1;
}
/*
==============================================================================
*/
static int pci1720_insn_write_ao(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct pci1710_private *devpriv = dev->private;
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;
}
val = devpriv->ao_data[chan];
for (n = 0; n < insn->n; n++) {
val = data[n];
outw(val, dev->iobase + PCI1720_DA0 + (chan << 1));
outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */
}
devpriv->ao_data[chan] = val;
return n;
}
/*
==============================================================================
*/
static int pci171x_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
const struct boardtype *this_board = comedi_board(dev);
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->ai_act_scan = 0;
s->async->cur_chan = 0;
return 0;
}
static void pci1710_handle_every_sample(struct comedi_device *dev,
struct comedi_subdevice *s)
{
struct pci1710_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
unsigned int status;
unsigned int val;
int ret;
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;
cfc_handle_events(dev, s);
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;
cfc_handle_events(dev, s);
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);
if (ret) {
s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
break;
}
comedi_buf_put(s, val & s->maxdata);
s->async->cur_chan++;
if (s->async->cur_chan >= cmd->chanlist_len)
s->async->cur_chan = 0;
if (s->async->cur_chan == 0) { /* one scan done */
devpriv->ai_act_scan++;
if (cmd->stop_src == TRIG_COUNT &&
devpriv->ai_act_scan >= cmd->stop_arg) {
/* all data sampled */
s->async->events |= COMEDI_CB_EOA;
break;
}
}
}
outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */
cfc_handle_events(dev, s);
}
/*
==============================================================================
*/
static int move_block_from_fifo(struct comedi_device *dev,
struct comedi_subdevice *s, int n, int turn)
{
struct pci1710_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
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;
}
comedi_buf_put(s, val & s->maxdata);
s->async->cur_chan++;
if (s->async->cur_chan >= cmd->chanlist_len) {
s->async->cur_chan = 0;
devpriv->ai_act_scan++;
}
}
return 0;
}
static void pci1710_handle_fifo(struct comedi_device *dev,
struct comedi_subdevice *s)
{
const struct boardtype *this_board = comedi_board(dev);
struct pci1710_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
int m, samplesinbuf;
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;
cfc_handle_events(dev, s);
return;
}
if (m & 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;
cfc_handle_events(dev, s);
return;
}
samplesinbuf = this_board->fifo_half_size;
if (samplesinbuf * sizeof(short) >= s->async->prealloc_bufsz) {
m = s->async->prealloc_bufsz / sizeof(short);
if (move_block_from_fifo(dev, s, m, 0))
return;
samplesinbuf -= m;
}
if (samplesinbuf) {
if (move_block_from_fifo(dev, s, samplesinbuf, 1))
return;
}
if (cmd->stop_src == TRIG_COUNT &&
devpriv->ai_act_scan >= cmd->stop_arg) {
/* all data sampled */
s->async->events |= COMEDI_CB_EOA;
cfc_handle_events(dev, s);
return;
}
outb(0, dev->iobase + PCI171x_CLRINT); /* clear our INT request */
cfc_handle_events(dev, s);
}
/*
==============================================================================
*/
static irqreturn_t interrupt_service_pci1710(int irq, void *d)
{
struct comedi_device *dev = d;
struct pci1710_private *devpriv = dev->private;
struct comedi_subdevice *s;
struct comedi_cmd *cmd;
if (!dev->attached) /* is device attached? */
return IRQ_NONE; /* no, exit */
s = dev->read_subdev;
cmd = &s->async->cmd;
/* is this interrupt from our board? */
if (!(inw(dev->iobase + PCI171x_STATUS) & Status_IRQ))
return IRQ_NONE; /* no, exit */
if (devpriv->ai_et) { /* Switch from initial TRIG_EXT to TRIG_xxx. */
devpriv->ai_et = 0;
devpriv->CntrlReg &= Control_CNT0;
devpriv->CntrlReg |= Control_SW; /* set software trigger */
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
devpriv->CntrlReg = devpriv->ai_et_CntrlReg;
outb(0, dev->iobase + PCI171x_CLRFIFO);
outb(0, dev->iobase + PCI171x_CLRINT);
outw(devpriv->ai_et_MuxVal, dev->iobase + PCI171x_MUX);
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
pci171x_start_pacer(dev, true);
return IRQ_HANDLED;
}
if (cmd->flags & TRIG_WAKE_EOS)
pci1710_handle_every_sample(dev, s);
else
pci1710_handle_fifo(dev, s);
return IRQ_HANDLED;
}
static int pci171x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct pci1710_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
pci171x_start_pacer(dev, false);
setup_channel_list(dev, s, cmd->chanlist, cmd->chanlist_len,
devpriv->saved_seglen);
outb(0, dev->iobase + PCI171x_CLRFIFO);
outb(0, dev->iobase + PCI171x_CLRINT);
devpriv->ai_act_scan = 0;
s->async->cur_chan = 0;
devpriv->CntrlReg &= Control_CNT0;
if ((cmd->flags & TRIG_WAKE_EOS) == 0)
devpriv->CntrlReg |= Control_ONEFH;
devpriv->divisor1 = devpriv->next_divisor1;
devpriv->divisor2 = devpriv->next_divisor2;
if (cmd->convert_src == TRIG_TIMER) {
devpriv->CntrlReg |= Control_PACER | Control_IRQEN;
if (cmd->start_src == TRIG_EXT) {
devpriv->ai_et_CntrlReg = devpriv->CntrlReg;
devpriv->CntrlReg &=
~(Control_PACER | Control_ONEFH | Control_GATE);
devpriv->CntrlReg |= Control_EXT;
devpriv->ai_et = 1;
} else { /* TRIG_NOW */
devpriv->ai_et = 0;
}
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
if (cmd->start_src == TRIG_NOW)
pci171x_start_pacer(dev, true);
} else { /* TRIG_EXT */
devpriv->CntrlReg |= Control_EXT | Control_IRQEN;
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
}
return 0;
}
/*
==============================================================================
*/
static int pci171x_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
const struct boardtype *this_board = comedi_board(dev);
struct pci1710_private *devpriv = dev->private;
int err = 0;
unsigned int arg;
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_EXT);
err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_FOLLOW);
err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_TIMER | TRIG_EXT);
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->start_src);
err |= cfc_check_trigger_is_unique(cmd->convert_src);
err |= cfc_check_trigger_is_unique(cmd->stop_src);
/* step 2b: and mutually compatible */
if (err)
return 2;
/* Step 3: check if arguments are trivially valid */
err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
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);
else /* TRIG_FOLLOW */
err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
else /* TRIG_NONE */
err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;
/* step 4: fix up any arguments */
if (cmd->convert_src == TRIG_TIMER) {
arg = cmd->convert_arg;
i8253_cascade_ns_to_timer(I8254_OSC_BASE_10MHZ,
&devpriv->next_divisor1,
&devpriv->next_divisor2,
&arg, cmd->flags);
err |= cfc_check_trigger_arg_is(&cmd->convert_arg, arg);
}
if (err)
return 4;
/* Step 5: check channel list */
err |= pci171x_ai_check_chanlist(dev, s, cmd);
if (err)
return 5;
return 0;
}
/*
==============================================================================
*/
static int pci171x_reset(struct comedi_device *dev)
{
const struct boardtype *this_board = comedi_board(dev);
struct pci1710_private *devpriv = dev->private;
outw(0x30, dev->iobase + PCI171x_CNTCTRL);
/* Software trigger, CNT0=external */
devpriv->CntrlReg = Control_SW | Control_CNT0;
/* reset any operations */
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL);
outb(0, dev->iobase + PCI171x_CLRFIFO); /* clear FIFO */
outb(0, dev->iobase + PCI171x_CLRINT); /* clear INT request */
pci171x_start_pacer(dev, false);
devpriv->da_ranges = 0;
if (this_board->n_aochan) {
outb(devpriv->da_ranges, dev->iobase + PCI171x_DAREF); /* set DACs to 0..5V */
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_DO); /* digital outputs to 0 */
outb(0, dev->iobase + PCI171x_CLRFIFO); /* clear FIFO */
outb(0, dev->iobase + PCI171x_CLRINT); /* clear INT request */
return 0;
}
/*
==============================================================================
*/
static int pci1720_reset(struct comedi_device *dev)
{
struct pci1710_private *devpriv = dev->private;
outb(Syncont_SC0, dev->iobase + PCI1720_SYNCONT); /* set synchronous output mode */
devpriv->da_ranges = 0xAA;
outb(devpriv->da_ranges, dev->iobase + PCI1720_RANGE); /* set all ranges to +/-5V */
outw(0x0800, dev->iobase + PCI1720_DA0); /* set outputs to 0V */
outw(0x0800, dev->iobase + PCI1720_DA1);
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 = comedi_board(dev);
switch (this_board->cardtype) {
case TYPE_PCI1720:
return pci1720_reset(dev);
default:
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;
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)
return -ENODEV;
dev->board_ptr = this_board;
dev->board_name = this_board->name;
devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
if (!devpriv)
return -ENOMEM;
ret = comedi_pci_enable(dev);
if (ret)
return ret;
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)
n_subdevices++;
if (this_board->n_dochan)
n_subdevices++;
if (this_board->n_counter)
n_subdevices++;
ret = comedi_alloc_subdevices(dev, n_subdevices);
if (ret)
return ret;
pci1710_reset(dev);
if (this_board->have_irq && pcidev->irq) {
ret = request_irq(pcidev->irq, interrupt_service_pci1710,
IRQF_SHARED, dev->board_name, dev);
if (ret == 0)
dev->irq = pcidev->irq;
}
subdev = 0;
if (this_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;
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;
}
subdev++;
}
if (this_board->n_aochan) {
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->insn_read = pci171x_insn_read_ao;
subdev++;
}
if (this_board->n_dichan) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
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;
subdev++;
}
if (this_board->n_dochan) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
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;
subdev++;
}
if (this_board->n_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;
subdev++;
}
return 0;
}
static void pci1710_detach(struct comedi_device *dev)
{
if (dev->iobase)
pci1710_reset(dev);
if (dev->irq)
free_irq(dev->irq, dev);
comedi_pci_disable(dev);
}
static struct comedi_driver adv_pci1710_driver = {
.driver_name = "adv_pci1710",
.module = THIS_MODULE,
.auto_attach = pci1710_auto_attach,
.detach = pci1710_detach,
};
static int adv_pci1710_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
return comedi_pci_auto_config(dev, &adv_pci1710_driver,
id->driver_data);
}
static const struct pci_device_id adv_pci1710_pci_table[] = {
{
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0x0000),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xb100),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xb200),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xc100),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xc200),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710, 0x1000, 0xd100),
.driver_data = BOARD_PCI1710,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0x0002),
.driver_data = BOARD_PCI1710HG,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xb102),
.driver_data = BOARD_PCI1710HG,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xb202),
.driver_data = BOARD_PCI1710HG,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xc102),
.driver_data = BOARD_PCI1710HG,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710,
PCI_VENDOR_ID_ADVANTECH, 0xc202),
.driver_data = BOARD_PCI1710HG,
}, {
PCI_DEVICE_SUB(PCI_VENDOR_ID_ADVANTECH, 0x1710, 0x1000, 0xd102),
.driver_data = BOARD_PCI1710HG,
},
{ PCI_VDEVICE(ADVANTECH, 0x1711), BOARD_PCI1711 },
{ PCI_VDEVICE(ADVANTECH, 0x1713), BOARD_PCI1713 },
{ PCI_VDEVICE(ADVANTECH, 0x1720), BOARD_PCI1720 },
{ PCI_VDEVICE(ADVANTECH, 0x1731), BOARD_PCI1731 },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, adv_pci1710_pci_table);
static struct pci_driver adv_pci1710_pci_driver = {
.name = "adv_pci1710",
.id_table = adv_pci1710_pci_table,
.probe = adv_pci1710_pci_probe,
.remove = comedi_pci_auto_unconfig,
};
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_LICENSE("GPL");
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