From: Ian Abbott <abbotti@xxxxxxxxx>
Add support for the Advantech PCI-1735U card, including support for a
counter subdevice (based on an 82C54 counter timer chip).
The counter subdevice needs more testing, as the only person I know who
tried it couldn't get it to work!
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/comedi/drivers/adv_pci_dio.c | 180 ++++++++++++++++++++++++--
1 files changed, 169 insertions(+), 11 deletions(-)
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c
index 40eeecf..e424a0c 100644
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -7,17 +7,17 @@
*/
/*
Driver: adv_pci_dio
-Description: Advantech PCI-1730, PCI-1733, PCI-1734, PCI-1736UP,
- PCI-1750, PCI-1751, PCI-1752, PCI-1753/E, PCI-1754,
- PCI-1756, PCI-1762
+Description: Advantech PCI-1730, PCI-1733, PCI-1734, PCI-1735U,
+ PCI-1736UP, PCI-1750, PCI-1751, PCI-1752, PCI-1753/E,
+ PCI-1754, PCI-1756, PCI-1762
Author: Michal Dobes <dobes@xxxxxxxxx>
Devices: [Advantech] PCI-1730 (adv_pci_dio), PCI-1733,
- PCI-1734, PCI-1736UP, PCI-1750,
+ PCI-1734, PCI-1735U, PCI-1736UP, PCI-1750,
PCI-1751, PCI-1752, PCI-1753,
PCI-1753+PCI-1753E, PCI-1754, PCI-1756,
PCI-1760, PCI-1762
Status: untested
-Updated: Mon, 14 Apr 2008 10:43:08 +0100
+Updated: Tue, 04 May 2010 13:00:00 +0000
This driver supports now only insn interface for DI/DO/DIO.
@@ -35,6 +35,7 @@ Configuration options:
#include "comedi_pci.h"
#include "8255.h"
+#include "8253.h"
#undef PCI_DIO_EXTDEBUG /* if defined, enable extensive debug logging */
@@ -49,7 +50,7 @@ Configuration options:
/* hardware types of the cards */
enum hw_cards_id {
- TYPE_PCI1730, TYPE_PCI1733, TYPE_PCI1734, TYPE_PCI1736,
+ TYPE_PCI1730, TYPE_PCI1733, TYPE_PCI1734, TYPE_PCI1735, TYPE_PCI1736,
TYPE_PCI1750,
TYPE_PCI1751,
TYPE_PCI1752,
@@ -67,7 +68,10 @@ enum hw_io_access {
#define MAX_DI_SUBDEVS 2 /* max number of DI subdevices per card */
#define MAX_DO_SUBDEVS 2 /* max number of DO subdevices per card */
#define MAX_DIO_SUBDEVG 2 /* max number of DIO subdevices group per card */
+#define MAX_8254_SUBDEVS 1 /* max number of 8254 counter subdevs per card */
+ /* (could be more than one 8254 per subdevice) */
+#define SIZE_8254 4 /* 8254 IO space length */
#define SIZE_8255 4 /* 8255 IO space length */
#define PCIDIO_MAINREG 2 /* main I/O region for all Advantech cards? */
@@ -85,6 +89,12 @@ enum hw_io_access {
#define PCI1734_IDO 0 /* W: Isolated digital output 0-31 */
#define PCI173x_BOARDID 4 /* R: Board I/D switch for 1730/3/4 */
+/* Advantech PCI-1735U */
+#define PCI1735_DI 0 /* R: Digital input 0-31 */
+#define PCI1735_DO 0 /* W: Digital output 0-31 */
+#define PCI1735_C8254 4 /* R/W: 8254 counter */
+#define PCI1735_BOARDID 8 /* R: Board I/D switch for 1735U */
+
/* Advantech PCI-1736UP */
#define PCI1736_IDI 0 /* R: Isolated digital input 0-15 */
#define PCI1736_IDO 0 /* W: Isolated digital output 0-15 */
@@ -192,7 +202,8 @@ static int pci_dio_detach(struct comedi_device *dev);
struct diosubd_data {
int chans; /* num of chans */
int addr; /* PCI address ofset */
- int regs; /* number of registers to read or 8255 subdevices */
+ int regs; /* number of registers to read or 8255
+ subdevices or 8254 chips */
unsigned int specflags; /* addon subdevice flags */
};
@@ -206,6 +217,7 @@ struct dio_boardtype {
struct diosubd_data sdo[MAX_DO_SUBDEVS]; /* DO chans */
struct diosubd_data sdio[MAX_DIO_SUBDEVG]; /* DIO 8255 chans */
struct diosubd_data boardid; /* card supports board ID switch */
+ struct diosubd_data s8254[MAX_8254_SUBDEVS]; /* 8254 subdevices */
enum hw_io_access io_access;
};
@@ -214,6 +226,7 @@ static DEFINE_PCI_DEVICE_TABLE(pci_dio_pci_table) = {
PCI_VENDOR_ID_ADVANTECH, 0x1730, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
PCI_VENDOR_ID_ADVANTECH, 0x1733, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
PCI_VENDOR_ID_ADVANTECH, 0x1734, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
+ PCI_VENDOR_ID_ADVANTECH, 0x1735, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
PCI_VENDOR_ID_ADVANTECH, 0x1736, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
PCI_VENDOR_ID_ADVANTECH, 0x1750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
PCI_VENDOR_ID_ADVANTECH, 0x1751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
@@ -235,14 +248,15 @@ static const struct dio_boardtype boardtypes[] = {
{{16, PCI1730_DO, 2, 0}, {16, PCI1730_IDO, 2, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI173x_BOARDID, 1, SDF_INTERNAL},
- IO_8b,
- },
+ {{0, 0, 0, 0}},
+ IO_8b},
{"pci1733", PCI_VENDOR_ID_ADVANTECH, 0x1733, PCIDIO_MAINREG,
TYPE_PCI1733,
{{0, 0, 0, 0}, {32, PCI1733_IDI, 4, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI173x_BOARDID, 1, SDF_INTERNAL},
+ {{0, 0, 0, 0}},
IO_8b},
{"pci1734", PCI_VENDOR_ID_ADVANTECH, 0x1734, PCIDIO_MAINREG,
TYPE_PCI1734,
@@ -250,6 +264,15 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {32, PCI1734_IDO, 4, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI173x_BOARDID, 1, SDF_INTERNAL},
+ {{0, 0, 0, 0}},
+ IO_8b},
+ {"pci1735", PCI_VENDOR_ID_ADVANTECH, 0x1735, PCIDIO_MAINREG,
+ TYPE_PCI1735,
+ {{32, PCI1735_DI, 4, 0}, {0, 0, 0, 0}},
+ {{32, PCI1735_DO, 4, 0}, {0, 0, 0, 0}},
+ {{0, 0, 0, 0}, {0, 0, 0, 0}},
+ { 4, PCI1735_BOARDID, 1, SDF_INTERNAL},
+ {{3, PCI1735_C8254, 1, 0}},
IO_8b},
{"pci1736", PCI_VENDOR_ID_ADVANTECH, 0x1736, PCI1736_MAINREG,
TYPE_PCI1736,
@@ -257,14 +280,15 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {16, PCI1736_IDO, 2, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI1736_BOARDID, 1, SDF_INTERNAL},
- IO_8b,
- },
+ {{0, 0, 0, 0}},
+ IO_8b},
{"pci1750", PCI_VENDOR_ID_ADVANTECH, 0x1750, PCIDIO_MAINREG,
TYPE_PCI1750,
{{0, 0, 0, 0}, {16, PCI1750_IDI, 2, 0}},
{{0, 0, 0, 0}, {16, PCI1750_IDO, 2, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{0, 0, 0, 0},
+ {{0, 0, 0, 0}},
IO_8b},
{"pci1751", PCI_VENDOR_ID_ADVANTECH, 0x1751, PCIDIO_MAINREG,
TYPE_PCI1751,
@@ -272,6 +296,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{{48, PCI1751_DIO, 2, 0}, {0, 0, 0, 0}},
{0, 0, 0, 0},
+ {{0, 0, 0, 0}},
IO_8b},
{"pci1752", PCI_VENDOR_ID_ADVANTECH, 0x1752, PCIDIO_MAINREG,
TYPE_PCI1752,
@@ -279,6 +304,7 @@ static const struct dio_boardtype boardtypes[] = {
{{32, PCI1752_IDO, 2, 0}, {32, PCI1752_IDO2, 2, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI175x_BOARDID, 1, SDF_INTERNAL},
+ {{0, 0, 0, 0}},
IO_16b},
{"pci1753", PCI_VENDOR_ID_ADVANTECH, 0x1753, PCIDIO_MAINREG,
TYPE_PCI1753,
@@ -286,6 +312,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{{96, PCI1753_DIO, 4, 0}, {0, 0, 0, 0}},
{0, 0, 0, 0},
+ {{0, 0, 0, 0}},
IO_8b},
{"pci1753e", PCI_VENDOR_ID_ADVANTECH, 0x1753, PCIDIO_MAINREG,
TYPE_PCI1753E,
@@ -293,6 +320,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{{96, PCI1753_DIO, 4, 0}, {96, PCI1753E_DIO, 4, 0}},
{0, 0, 0, 0},
+ {{0, 0, 0, 0}},
IO_8b},
{"pci1754", PCI_VENDOR_ID_ADVANTECH, 0x1754, PCIDIO_MAINREG,
TYPE_PCI1754,
@@ -300,6 +328,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI175x_BOARDID, 1, SDF_INTERNAL},
+ {{0, 0, 0, 0}},
IO_16b},
{"pci1756", PCI_VENDOR_ID_ADVANTECH, 0x1756, PCIDIO_MAINREG,
TYPE_PCI1756,
@@ -307,6 +336,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {32, PCI1756_IDO, 2, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI175x_BOARDID, 1, SDF_INTERNAL},
+ {{0, 0, 0, 0}},
IO_16b},
{"pci1760", PCI_VENDOR_ID_ADVANTECH, 0x1760, 0,
TYPE_PCI1760,
@@ -314,6 +344,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{0, 0, 0, 0},
+ {{0, 0, 0, 0}},
IO_8b},
{"pci1762", PCI_VENDOR_ID_ADVANTECH, 0x1762, PCIDIO_MAINREG,
TYPE_PCI1762,
@@ -321,6 +352,7 @@ static const struct dio_boardtype boardtypes[] = {
{{0, 0, 0, 0}, {16, PCI1762_RO, 1, 0}},
{{0, 0, 0, 0}, {0, 0, 0, 0}},
{4, PCI1762_BOARDID, 1, SDF_INTERNAL},
+ {{0, 0, 0, 0}},
IO_16b}
};
@@ -440,6 +472,83 @@ static int pci_dio_insn_bits_do_w(struct comedi_device *dev,
/*
==============================================================================
*/
+static int pci_8254_insn_read(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
+{
+ const struct diosubd_data *d = (const struct diosubd_data *)s->private;
+ unsigned int chan, chip, chipchan;
+ unsigned long flags;
+
+ chan = CR_CHAN(insn->chanspec); /* channel on subdevice */
+ chip = chan / 3; /* chip on subdevice */
+ chipchan = chan - (3 * chip); /* channel on chip on subdevice */
+ spin_lock_irqsave(&s->spin_lock, flags);
+ data[0] = i8254_read(dev->iobase + d->addr + (SIZE_8254 * chip),
+ 0, chipchan);
+ spin_unlock_irqrestore(&s->spin_lock, flags);
+ return 1;
+}
+
+/*
+==============================================================================
+*/
+static int pci_8254_insn_write(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
+{
+ const struct diosubd_data *d = (const struct diosubd_data *)s->private;
+ unsigned int chan, chip, chipchan;
+ unsigned long flags;
+
+ chan = CR_CHAN(insn->chanspec); /* channel on subdevice */
+ chip = chan / 3; /* chip on subdevice */
+ chipchan = chan - (3 * chip); /* channel on chip on subdevice */
+ spin_lock_irqsave(&s->spin_lock, flags);
+ i8254_write(dev->iobase + d->addr + (SIZE_8254 * chip),
+ 0, chipchan, data[0]);
+ spin_unlock_irqrestore(&s->spin_lock, flags);
+ return 1;
+}
+
+/*
+==============================================================================
+*/
+static int pci_8254_insn_config(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
+{
+ const struct diosubd_data *d = (const struct diosubd_data *)s->private;
+ unsigned int chan, chip, chipchan;
+ unsigned long iobase;
+ int ret = 0;
+ unsigned long flags;
+
+ chan = CR_CHAN(insn->chanspec); /* channel on subdevice */
+ chip = chan / 3; /* chip on subdevice */
+ chipchan = chan - (3 * chip); /* channel on chip on subdevice */
+ iobase = dev->iobase + d->addr + (SIZE_8254 * chip);
+ spin_lock_irqsave(&s->spin_lock, flags);
+ switch (data[0]) {
+ case INSN_CONFIG_SET_COUNTER_MODE:
+ ret = i8254_set_mode(iobase, 0, chipchan, data[1]);
+ if (ret < 0)
+ ret = -EINVAL;
+ break;
+ case INSN_CONFIG_8254_READ_STATUS:
+ data[1] = i8254_status(iobase, 0, chipchan);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ spin_unlock_irqrestore(&s->spin_lock, flags);
+ return ret < 0 ? ret : insn->n;
+}
+
+/*
+==============================================================================
+*/
static int pci1760_unchecked_mbxrequest(struct comedi_device *dev,
unsigned char *omb, unsigned char *imb,
int repeats)
@@ -708,6 +817,15 @@ static int pci_dio_reset(struct comedi_device *dev)
outb(0, dev->iobase + PCI1734_IDO + 2);
outb(0, dev->iobase + PCI1734_IDO + 3);
break;
+ case TYPE_PCI1735:
+ outb(0, dev->iobase + PCI1735_DO); /* clear outputs */
+ outb(0, dev->iobase + PCI1735_DO + 1);
+ outb(0, dev->iobase + PCI1735_DO + 2);
+ outb(0, dev->iobase + PCI1735_DO + 3);
+ i8254_set_mode(dev->iobase + PCI1735_C8254, 0, 0, I8254_MODE0);
+ i8254_set_mode(dev->iobase + PCI1735_C8254, 0, 1, I8254_MODE0);
+ i8254_set_mode(dev->iobase + PCI1735_C8254, 0, 2, I8254_MODE0);
+ break;
case TYPE_PCI1736:
outb(0, dev->iobase + PCI1736_IDO);
@@ -877,6 +995,26 @@ static int pci_dio_add_do(struct comedi_device *dev, struct comedi_subdevice *s,
/*
==============================================================================
*/
+static int pci_dio_add_8254(struct comedi_device *dev,
+ struct comedi_subdevice * s,
+ const struct diosubd_data *d, int subdev)
+{
+ s->type = COMEDI_SUBD_COUNTER;
+ s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+ s->n_chan = d->chans;
+ s->maxdata = 65535;
+ s->len_chanlist = d->chans;
+ s->insn_read = pci_8254_insn_read;
+ s->insn_write = pci_8254_insn_write;
+ s->insn_config = pci_8254_insn_config;
+ s->private = (void *)d;
+
+ return 0;
+}
+
+/*
+==============================================================================
+*/
static int CheckAndAllocCard(struct comedi_device *dev,
struct comedi_devconfig *it,
struct pci_dev *pcidev)
@@ -979,6 +1117,9 @@ static int pci_dio_attach(struct comedi_device *dev,
n_subdevices += this_board->sdio[i].regs;
if (this_board->boardid.chans)
n_subdevices++;
+ for (i = 0; i < MAX_8254_SUBDEVS; i++)
+ if (this_board->s8254[i].chans)
+ n_subdevices++;
}
ret = alloc_subdevices(dev, n_subdevices);
@@ -1022,6 +1163,13 @@ static int pci_dio_attach(struct comedi_device *dev,
subdev++;
}
+ for (i = 0; i < MAX_8254_SUBDEVS; i++)
+ if (this_board->s8254[i].chans) {
+ s = dev->subdevices + subdev;
+ pci_dio_add_8254(dev, s, &this_board->s8254[i], subdev);
+ subdev++;
+ }
+
if (this_board->cardtype == TYPE_PCI1760)
pci1760_attach(dev, it);
@@ -1067,6 +1215,16 @@ static int pci_dio_detach(struct comedi_device *dev)
}
}
+ if (this_board->boardid.chans) {
+ subdev++;
+ }
+
+ for (i = 0; i < MAX_8254_SUBDEVS; i++) {
+ if (this_board->s8254[i].chans) {
+ subdev++;
+ }
+ }
+
for (i = 0; i < dev->n_subdevices; i++) {
s = dev->subdevices + i;
s->private = NULL;
--
1.7.1
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