diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi_apci_3120.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_3120.c | 273 |
1 files changed, 270 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c index c35515845cf3..fec2962affc7 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3120.c +++ b/drivers/staging/comedi/drivers/addi_apci_3120.c @@ -1,8 +1,275 @@ -#define CONFIG_APCI_3120 1 +#include "../comedidev.h" +#include "comedi_fc.h" +#include "amcc_s5933.h" -#define ADDIDATA_DRIVER_NAME "addi_apci_3120" +#include "addi-data/addi_common.h" -#include "addi-data/addi_common.c" +#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"); |