drivers/staging/comedi/drivers/addi_apci_1710.c

   1 #include <asm/i387.h>
   2
   3 #include "../comedidev.h"
   4 #include "comedi_fc.h"
   5 #include "amcc_s5933.h"
   6
   7 #include "addi-data/addi_common.h"
   8
   9 static void fpu_begin(void)
  10 {
  11         kernel_fpu_begin();
  12 }
  13
  14 static void fpu_end(void)
  15 {
  16         kernel_fpu_end();
  17 }
  18
  19 #include "addi-data/addi_eeprom.c"
  20 #include "addi-data/hwdrv_APCI1710.c"
  21
  22 #ifndef COMEDI_SUBD_TTLIO
  23 #define COMEDI_SUBD_TTLIO   11  /* Digital Input Output But TTL */
  24 #endif
  25
  26 static const struct addi_board apci1710_boardtypes[] = {
  27         {
  28                 .pc_DriverName          = "apci1710",
  29                 .i_VendorId             = PCI_VENDOR_ID_ADDIDATA_OLD,
  30                 .i_DeviceId             = APCI1710_BOARD_DEVICE_ID,
  31                 .i_IorangeBase0         = 128,
  32                 .i_IorangeBase1         = 8,
  33                 .i_IorangeBase2         = 256,
  34                 .interrupt              = v_APCI1710_Interrupt,
  35         },
  36 };
  37
  38 static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
  39 {
  40         struct comedi_device *dev = d;
  41         const struct addi_board *this_board = comedi_board(dev);
  42
  43         this_board->interrupt(irq, d);
  44         return IRQ_RETVAL(1);
  45 }
  46
  47 static const void *apci1710_find_boardinfo(struct comedi_device *dev,
  48                                            struct pci_dev *pcidev)
  49 {
  50         const struct addi_board *this_board;
  51         int i;
  52
  53         for (i = 0; i < ARRAY_SIZE(apci1710_boardtypes); i++) {
  54                 this_board = &apci1710_boardtypes[i];
  55                 if (this_board->i_VendorId == pcidev->vendor &&
  56                     this_board->i_DeviceId == pcidev->device)
  57                         return this_board;
  58         }
  59         return NULL;
  60 }
  61
  62 static int apci1710_attach_pci(struct comedi_device *dev,
  63                                struct pci_dev *pcidev)
  64 {
  65         const struct addi_board *this_board;
  66         struct addi_private *devpriv;
  67         struct comedi_subdevice *s;
  68         int ret;
  69
  70         this_board = apci1710_find_boardinfo(dev, pcidev);
  71         if (!this_board)
  72                 return -ENODEV;
  73         dev->board_ptr = this_board;
  74         dev->board_name = this_board->pc_DriverName;
  75
  76         devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
  77         if (!devpriv)
  78                 return -ENOMEM;
  79         dev->private = devpriv;
  80
  81         ret = comedi_pci_enable(pcidev, dev->board_name);
  82         if (ret)
  83                 return ret;
  84
  85         if (this_board->i_IorangeBase1)
  86                 dev->iobase = pci_resource_start(pcidev, 1);
  87         else
  88                 dev->iobase = pci_resource_start(pcidev, 0);
  89
  90         devpriv->iobase = dev->iobase;
  91         devpriv->i_IobaseAmcc = pci_resource_start(pcidev, 0);
  92         devpriv->i_IobaseAddon = pci_resource_start(pcidev, 2);
  93         devpriv->i_IobaseReserved = pci_resource_start(pcidev, 3);
  94
  95         if (pcidev->irq > 0) {
  96                 ret = request_irq(pcidev->irq, v_ADDI_Interrupt, IRQF_SHARED,
  97                                   dev->board_name, dev);
  98                 if (ret == 0)
  99                         dev->irq = pcidev->irq;
 100         }
 101
 102         i_ADDI_AttachPCI1710(dev);
 103
 104         devpriv->s_BoardInfos.ui_Address = pci_resource_start(pcidev, 2);
 105
 106         i_APCI1710_Reset(dev);
 107         return 0;
 108 }
 109
 110 static void apci1710_detach(struct comedi_device *dev)
 111 {
 112         struct pci_dev *pcidev = comedi_to_pci_dev(dev);
 113
 114         if (dev->iobase)
 115                 i_APCI1710_Reset(dev);
 116         if (dev->irq)
 117                 free_irq(dev->irq, dev);
 118         if (pcidev) {
 119                 if (dev->iobase)
 120                         comedi_pci_disable(pcidev);
 121         }
 122 }
 123
 124 static struct comedi_driver apci1710_driver = {
 125         .driver_name    = "addi_apci_1710",
 126         .module         = THIS_MODULE,
 127         .attach_pci     = apci1710_attach_pci,
 128         .detach         = apci1710_detach,
 129 };
 130
 131 static int __devinit apci1710_pci_probe(struct pci_dev *dev,
 132                                         const struct pci_device_id *ent)
 133 {
 134         return comedi_pci_auto_config(dev, &apci1710_driver);
 135 }
 136
 137 static void __devexit apci1710_pci_remove(struct pci_dev *dev)
 138 {
 139         comedi_pci_auto_unconfig(dev);
 140 }
 141
 142 static DEFINE_PCI_DEVICE_TABLE(apci1710_pci_table) = {
 143         { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA_OLD, APCI1710_BOARD_DEVICE_ID) },
 144         { 0 }
 145 };
 146 MODULE_DEVICE_TABLE(pci, apci1710_pci_table);
 147
 148 static struct pci_driver apci1710_pci_driver = {
 149         .name           = "addi_apci_1710",
 150         .id_table       = apci1710_pci_table,
 151         .probe          = apci1710_pci_probe,
 152         .remove         = __devexit_p(apci1710_pci_remove),
 153 };
 154 module_comedi_pci_driver(apci1710_driver, apci1710_pci_driver);