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r: 196980
b: refs/heads/master
c: b4ae23c
h: refs/heads/master
v: v3
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Gustavo Silva authored and Greg Kroah-Hartman committed May 11, 2010
1 parent adc117d commit a02dfac
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 3c0d681e7d31fe747a2cbed0a93dd92049521683
refs/heads/master: b4ae23ce014d25af6c09bf3e82b4fd94b0cd2cb9
156 changes: 82 additions & 74 deletions trunk/drivers/staging/comedi/drivers/das08.c
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/*
comedi/drivers/das08.c
DAS08 driver
COMEDI - Linux Control and Measurement Device Interface
Copyright (C) 2000 David A. Schleef <ds@schleef.org>
Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*****************************************************************
* comedi/drivers/das08.c
* DAS08 driver
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright (C) 2000 David A. Schleef <ds@schleef.org>
* Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
* Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************
*/

*/
/*
Driver: das08
Description: DAS-08 compatible boards
Author: Warren Jasper, ds, Frank Hess
Devices: [Keithley Metrabyte] DAS08 (isa-das08), [ComputerBoards] DAS08 (isa-das08),
DAS08-PGM (das08-pgm),
DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (das08),
PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16)
Status: works
This is a rewrite of the das08 and das08jr drivers.
Options (for ISA cards):
[0] - base io address
Options (for pci-das08):
[0] - bus (optional)
[1] = slot (optional)
The das08 driver doesn't support asynchronous commands, since
the cheap das08 hardware doesn't really support them. The
comedi_rt_timer driver can be used to emulate commands for this
driver.
*/
* Driver: das08
* Description: DAS-08 compatible boards
* Author: Warren Jasper, ds, Frank Hess
* Devices: [Keithley Metrabyte] DAS08 (isa-das08),
* [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
* DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
* DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
* DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (das08),
* PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16)
* Status: works
*
* This is a rewrite of the das08 and das08jr drivers.
*
* Options (for ISA cards):
* [0] - base io address
*
* Options (for pci-das08):
* [0] - bus (optional)
* [1] = slot (optional)
*
* The das08 driver doesn't support asynchronous commands, since
* the cheap das08 hardware doesn't really support them. The
* comedi_rt_timer driver can be used to emulate commands for this
* driver.
*/

#include "../comedidev.h"

Expand Down Expand Up @@ -122,8 +122,8 @@ driver.
*/

#define DAS08JR_DIO 3
#define DAS08JR_AO_LSB(x) ((x)?6:4)
#define DAS08JR_AO_MSB(x) ((x)?7:5)
#define DAS08JR_AO_LSB(x) ((x) ? 6 : 4)
#define DAS08JR_AO_MSB(x) ((x) ? 7 : 5)

/*
cio-das08_aox.pdf
Expand All @@ -148,8 +148,8 @@ driver.
#define DAS08AO_GAIN_CONTROL 3
#define DAS08AO_GAIN_STATUS 3

#define DAS08AO_AO_LSB(x) ((x)?0xa:8)
#define DAS08AO_AO_MSB(x) ((x)?0xb:9)
#define DAS08AO_AO_LSB(x) ((x) ? 0xa : 8)
#define DAS08AO_AO_MSB(x) ((x) ? 0xb : 9)
#define DAS08AO_AO_UPDATE 8

/* gainlist same as _pgx_ below */
Expand Down Expand Up @@ -239,8 +239,9 @@ static const struct comedi_lrange *const das08_ai_lranges[] = {
&range_das08_pgm,
};

static const int das08_pgh_gainlist[] =
{ 8, 0, 10, 2, 12, 4, 14, 6, 1, 3, 5, 7 };
static const int das08_pgh_gainlist[] = {
8, 0, 10, 2, 12, 4, 14, 6, 1, 3, 5, 7
};
static const int das08_pgl_gainlist[] = { 8, 0, 2, 4, 6, 1, 3, 5, 7 };
static const int das08_pgm_gainlist[] = { 8, 0, 10, 12, 14, 9, 11, 13, 15 };

Expand Down Expand Up @@ -535,7 +536,8 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
inb(dev->iobase + DAS08_MSB);

/* set multiplexer */
spin_lock(&dev->spinlock); /* lock to prevent race with digital output */
/* lock to prevent race with digital output */
spin_lock(&dev->spinlock);
devpriv->do_mux_bits &= ~DAS08_MUX_MASK;
devpriv->do_mux_bits |= DAS08_MUX(chan);
outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL);
Expand All @@ -552,7 +554,7 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
/* clear over-range bits for 16-bit boards */
if (thisboard->ai_nbits == 16)
if (inb(dev->iobase + DAS08_MSB) & 0x80)
printk("das08: over-range\n");
printk(KERN_INFO "das08: over-range\n");

/* trigger conversion */
outb_p(0, dev->iobase + DAS08_TRIG_12BIT);
Expand All @@ -562,7 +564,7 @@ static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
break;
}
if (i == TIMEOUT) {
printk("das08: timeout\n");
printk(KERN_ERR "das08: timeout\n");
return -ETIME;
}
msb = inb(dev->iobase + DAS08_MSB);
Expand Down Expand Up @@ -607,7 +609,8 @@ static int das08_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
/* set new bit values */
wbits |= data[0] & data[1];
/* remember digital output bits */
spin_lock(&dev->spinlock); /* prevent race with setting of analog input mux */
/* prevent race with setting of analog input mux */
spin_lock(&dev->spinlock);
devpriv->do_mux_bits &= ~DAS08_DO_MASK;
devpriv->do_mux_bits |= DAS08_OP(wbits);
outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL);
Expand Down Expand Up @@ -860,9 +863,9 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)

/* allocate ioports for non-pcmcia, non-pci boards */
if ((thisboard->bustype != pcmcia) && (thisboard->bustype != pci)) {
printk(" iobase 0x%lx\n", iobase);
printk(KERN_INFO " iobase 0x%lx\n", iobase);
if (!request_region(iobase, thisboard->iosize, DRV_NAME)) {
printk(" I/O port conflict\n");
printk(KERN_ERR " I/O port conflict\n");
return -EIO;
}
}
Expand All @@ -878,8 +881,11 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
/* ai */
if (thisboard->ai) {
s->type = COMEDI_SUBD_AI;
/* XXX some boards actually have differential inputs instead of single ended.
* The driver does nothing with arefs though, so it's no big deal. */
/* XXX some boards actually have differential
* inputs instead of single ended.
* The driver does nothing with arefs though,
* so it's no big deal.
*/
s->subdev_flags = SDF_READABLE | SDF_GROUND;
s->n_chan = 8;
s->maxdata = (1 << thisboard->ai_nbits) - 1;
Expand Down Expand Up @@ -966,6 +972,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)

return 0;
}
EXPORT_SYMBOL_GPL(das08_common_attach);

static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
Expand All @@ -980,7 +987,7 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (ret < 0)
return ret;

printk("comedi%d: das08: ", dev->minor);
printk(KERN_INFO "comedi%d: das08: ", dev->minor);
/* deal with a pci board */
if (thisboard->bustype == pci) {
#ifdef CONFIG_COMEDI_PCI
Expand All @@ -1007,20 +1014,21 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
}
if (!pdev) {
printk("No pci das08 cards found\n");
printk(KERN_ERR "No pci das08 cards found\n");
return -EIO;
}
devpriv->pdev = pdev;
/* enable PCI device and reserve I/O spaces */
if (comedi_pci_enable(pdev, DRV_NAME)) {
printk
(" Error enabling PCI device and requesting regions\n");
printk(KERN_ERR " Error enabling PCI device and "
"requesting regions\n");
return -EIO;
}
/* read base addresses */
pci_iobase = pci_resource_start(pdev, 1);
iobase = pci_resource_start(pdev, 2);
printk("pcibase 0x%lx iobase 0x%lx\n", pci_iobase, iobase);
printk(KERN_INFO "pcibase 0x%lx iobase 0x%lx\n",
pci_iobase, iobase);
devpriv->pci_iobase = pci_iobase;
#if 0
/* We could enable to pci-das08's interrupt here to make it possible
Expand All @@ -1034,17 +1042,18 @@ static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
outw(INTR1_ENABLE | PCI_INTR_ENABLE, pci_iobase + INTCSR);
#endif
#else /* CONFIG_COMEDI_PCI */
printk("this driver has not been built with PCI support.\n");
printk(KERN_ERR "this driver has not been built with PCI support.\n");
return -EINVAL;
#endif /* CONFIG_COMEDI_PCI */
} else {
iobase = it->options[0];
}
printk("\n");
printk(KERN_INFO "\n");

return das08_common_attach(dev, iobase);
}


int das08_common_detach(struct comedi_device *dev)
{
printk(KERN_INFO "comedi%d: das08: remove\n", dev->minor);
Expand All @@ -1060,25 +1069,24 @@ int das08_common_detach(struct comedi_device *dev)
#ifdef CONFIG_COMEDI_PCI
if (devpriv) {
if (devpriv->pdev) {
if (devpriv->pci_iobase) {
if (devpriv->pci_iobase)
comedi_pci_disable(devpriv->pdev);
}

pci_dev_put(devpriv->pdev);
}
}
#endif

return 0;
}
EXPORT_SYMBOL_GPL(das08_common_detach);

#ifdef CONFIG_COMEDI_PCI
COMEDI_PCI_INITCLEANUP(driver_das08, das08_pci_table);
#else
COMEDI_INITCLEANUP(driver_das08);
#endif

EXPORT_SYMBOL_GPL(das08_common_attach);
EXPORT_SYMBOL_GPL(das08_common_detach);
#ifdef CONFIG_COMEDI_PCMCIA
EXPORT_SYMBOL_GPL(das08_cs_boards);
#endif

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