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#include "../comedidev.h"
#include "comedi_fc.h"
#include "amcc_s5933.h"
#include "addi-data/addi_common.h"
#include "addi-data/hwdrv_apci3120.c"
static const struct addi_board apci3120_boardtypes[] = {
{
.pc_DriverName = "apci3120",
.i_VendorId = PCI_VENDOR_ID_ADDIDATA_OLD,
.i_DeviceId = 0x818D,
.i_NbrAiChannel = 16,
.i_NbrAiChannelDiff = 8,
.i_AiChannelList = 16,
.i_NbrAoChannel = 8,
.i_AiMaxdata = 0xffff,
.i_AoMaxdata = 0x3fff,
.i_NbrDiChannel = 4,
.i_NbrDoChannel = 4,
.i_DoMaxdata = 0x0f,
.interrupt = v_APCI3120_Interrupt,
}, {
.pc_DriverName = "apci3001",
.i_VendorId = PCI_VENDOR_ID_ADDIDATA_OLD,
.i_DeviceId = 0x828D,
.i_NbrAiChannel = 16,
.i_NbrAiChannelDiff = 8,
.i_AiChannelList = 16,
.i_AiMaxdata = 0xfff,
.i_NbrDiChannel = 4,
.i_NbrDoChannel = 4,
.i_DoMaxdata = 0x0f,
.interrupt = v_APCI3120_Interrupt,
},
};
static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
const struct addi_board *this_board = comedi_board(dev);
this_board->interrupt(irq, d);
return IRQ_RETVAL(1);
}
static const void *apci3120_find_boardinfo(struct comedi_device *dev,
struct pci_dev *pcidev)
{
const struct addi_board *this_board;
int i;
for (i = 0; i < ARRAY_SIZE(apci3120_boardtypes); i++) {
this_board = &apci3120_boardtypes[i];
if (this_board->i_VendorId == pcidev->vendor &&
this_board->i_DeviceId == pcidev->device)
return this_board;
}
return NULL;
}
static int apci3120_auto_attach(struct comedi_device *dev,
unsigned long context_unused)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
const struct addi_board *this_board;
struct addi_private *devpriv;
struct comedi_subdevice *s;
int ret, pages, i;
this_board = apci3120_find_boardinfo(dev, pcidev);
if (!this_board)
return -ENODEV;
dev->board_ptr = this_board;
dev->board_name = this_board->pc_DriverName;
devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
if (!devpriv)
return -ENOMEM;
dev->private = devpriv;
ret = comedi_pci_enable(pcidev, dev->board_name);
if (ret)
return ret;
pci_set_master(pcidev);
dev->iobase = pci_resource_start(pcidev, 1);
devpriv->iobase = dev->iobase;
devpriv->i_IobaseAmcc = pci_resource_start(pcidev, 0);
devpriv->i_IobaseAddon = pci_resource_start(pcidev, 2);
devpriv->i_IobaseReserved = pci_resource_start(pcidev, 3);
if (pcidev->irq > 0) {
ret = request_irq(pcidev->irq, v_ADDI_Interrupt, IRQF_SHARED,
dev->board_name, dev);
if (ret == 0)
dev->irq = pcidev->irq;
}
devpriv->us_UseDma = ADDI_ENABLE;
/* Allocate DMA buffers */
devpriv->b_DmaDoubleBuffer = 0;
for (i = 0; i < 2; i++) {
for (pages = 4; pages >= 0; pages--) {
devpriv->ul_DmaBufferVirtual[i] =
(void *) __get_free_pages(GFP_KERNEL, pages);
if (devpriv->ul_DmaBufferVirtual[i])
break;
}
if (devpriv->ul_DmaBufferVirtual[i]) {
devpriv->ui_DmaBufferPages[i] = pages;
devpriv->ui_DmaBufferSize[i] = PAGE_SIZE * pages;
devpriv->ui_DmaBufferSamples[i] =
devpriv->ui_DmaBufferSize[i] >> 1;
devpriv->ul_DmaBufferHw[i] =
virt_to_bus((void *)devpriv->
ul_DmaBufferVirtual[i]);
}
}
if (!devpriv->ul_DmaBufferVirtual[0])
devpriv->us_UseDma = ADDI_DISABLE;
if (devpriv->ul_DmaBufferVirtual[1])
devpriv->b_DmaDoubleBuffer = 1;
ret = comedi_alloc_subdevices(dev, 5);
if (ret)
return ret;
/* Allocate and Initialise AI Subdevice Structures */
s = &dev->subdevices[0];
dev->read_subdev = s;
s->type = COMEDI_SUBD_AI;
s->subdev_flags =
SDF_READABLE | SDF_COMMON | SDF_GROUND
| SDF_DIFF;
if (this_board->i_NbrAiChannel) {
s->n_chan = this_board->i_NbrAiChannel;
devpriv->b_SingelDiff = 0;
} else {
s->n_chan = this_board->i_NbrAiChannelDiff;
devpriv->b_SingelDiff = 1;
}
s->maxdata = this_board->i_AiMaxdata;
s->len_chanlist = this_board->i_AiChannelList;
s->range_table = &range_apci3120_ai;
/* Set the initialisation flag */
devpriv->b_AiInitialisation = 1;
s->insn_config = i_APCI3120_InsnConfigAnalogInput;
s->insn_read = i_APCI3120_InsnReadAnalogInput;
s->do_cmdtest = i_APCI3120_CommandTestAnalogInput;
s->do_cmd = i_APCI3120_CommandAnalogInput;
s->cancel = i_APCI3120_StopCyclicAcquisition;
/* Allocate and Initialise AO Subdevice Structures */
s = &dev->subdevices[1];
if (this_board->i_NbrAoChannel) {
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = this_board->i_NbrAoChannel;
s->maxdata = this_board->i_AoMaxdata;
s->len_chanlist = this_board->i_NbrAoChannel;
s->range_table = &range_apci3120_ao;
s->insn_write = i_APCI3120_InsnWriteAnalogOutput;
} else {
s->type = COMEDI_SUBD_UNUSED;
}
/* Allocate and Initialise DI Subdevice Structures */
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = this_board->i_NbrDiChannel;
s->maxdata = 1;
s->len_chanlist = this_board->i_NbrDiChannel;
s->range_table = &range_digital;
s->io_bits = 0; /* all bits input */
s->insn_bits = apci3120_di_insn_bits;
/* Allocate and Initialise DO Subdevice Structures */
s = &dev->subdevices[3];
s->type = COMEDI_SUBD_DO;
s->subdev_flags =
SDF_READABLE | SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = this_board->i_NbrDoChannel;
s->maxdata = this_board->i_DoMaxdata;
s->len_chanlist = this_board->i_NbrDoChannel;
s->range_table = &range_digital;
s->io_bits = 0xf; /* all bits output */
s->insn_bits = apci3120_do_insn_bits;
/* Allocate and Initialise Timer Subdevice Structures */
s = &dev->subdevices[4];
s->type = COMEDI_SUBD_TIMER;
s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = 1;
s->maxdata = 0;
s->len_chanlist = 1;
s->range_table = &range_digital;
s->insn_write = i_APCI3120_InsnWriteTimer;
s->insn_read = i_APCI3120_InsnReadTimer;
s->insn_config = i_APCI3120_InsnConfigTimer;
i_APCI3120_Reset(dev);
return 0;
}
static void apci3120_detach(struct comedi_device *dev)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
struct addi_private *devpriv = dev->private;
if (devpriv) {
if (dev->iobase)
i_APCI3120_Reset(dev);
if (dev->irq)
free_irq(dev->irq, dev);
if (devpriv->ul_DmaBufferVirtual[0]) {
free_pages((unsigned long)devpriv->
ul_DmaBufferVirtual[0],
devpriv->ui_DmaBufferPages[0]);
}
if (devpriv->ul_DmaBufferVirtual[1]) {
free_pages((unsigned long)devpriv->
ul_DmaBufferVirtual[1],
devpriv->ui_DmaBufferPages[1]);
}
}
if (pcidev) {
if (dev->iobase)
comedi_pci_disable(pcidev);
}
}
static struct comedi_driver apci3120_driver = {
.driver_name = "addi_apci_3120",
.module = THIS_MODULE,
.auto_attach = apci3120_auto_attach,
.detach = apci3120_detach,
};
static int apci3120_pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
return comedi_pci_auto_config(dev, &apci3120_driver);
}
static void apci3120_pci_remove(struct pci_dev *dev)
{
comedi_pci_auto_unconfig(dev);
}
static DEFINE_PCI_DEVICE_TABLE(apci3120_pci_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA_OLD, 0x818d) },
{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA_OLD, 0x828d) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, apci3120_pci_table);
static struct pci_driver apci3120_pci_driver = {
.name = "addi_apci_3120",
.id_table = apci3120_pci_table,
.probe = apci3120_pci_probe,
.remove = apci3120_pci_remove,
};
module_comedi_pci_driver(apci3120_driver, apci3120_pci_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
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