drivers/staging/comedi/drivers/addi_apci_1710.c

   1 #include <linux/pci.h>
   2
   3 #include <asm/i387.h>
   4
   5 #include "../comedidev.h"
   6 #include "comedi_fc.h"
   7 #include "amcc_s5933.h"
   8
   9 #include "addi-data/addi_common.h"
  10
  11 static void fpu_begin(void)
  12 {
  13         kernel_fpu_begin();
  14 }
  15
  16 static void fpu_end(void)
  17 {
  18         kernel_fpu_end();
  19 }
  20
  21 #include "addi-data/addi_eeprom.c"
  22 #include "addi-data/hwdrv_APCI1710.c"
  23
  24 static const struct addi_board apci1710_boardtypes[] = {
  25         {
  26                 .pc_DriverName          = "apci1710",
  27                 .i_VendorId             = PCI_VENDOR_ID_ADDIDATA_OLD,
  28                 .i_DeviceId             = APCI1710_BOARD_DEVICE_ID,
  29         },
  30 };
  31
  32 static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
  33 {
  34         v_APCI1710_Interrupt(irq, d);
  35         return IRQ_RETVAL(1);
  36 }
  37
  38 static const void *apci1710_find_boardinfo(struct comedi_device *dev,
  39                                            struct pci_dev *pcidev)
  40 {
  41         const struct addi_board *this_board;
  42         int i;
  43
  44         for (i = 0; i < ARRAY_SIZE(apci1710_boardtypes); i++) {
  45                 this_board = &apci1710_boardtypes[i];
  46                 if (this_board->i_VendorId == pcidev->vendor &&
  47                     this_board->i_DeviceId == pcidev->device)
  48                         return this_board;
  49         }
  50         return NULL;
  51 }
  52
  53 static int apci1710_auto_attach(struct comedi_device *dev,
  54                                           unsigned long context_unused)
  55 {
  56         struct pci_dev *pcidev = comedi_to_pci_dev(dev);
  57         const struct addi_board *this_board;
  58         struct addi_private *devpriv;
  59         struct comedi_subdevice *s;
  60         int ret;
  61
  62         this_board = apci1710_find_boardinfo(dev, pcidev);
  63         if (!this_board)
  64                 return -ENODEV;
  65         dev->board_ptr = this_board;
  66         dev->board_name = this_board->pc_DriverName;
  67
  68         devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
  69         if (!devpriv)
  70                 return -ENOMEM;
  71         dev->private = devpriv;
  72
  73         ret = comedi_pci_enable(pcidev, dev->board_name);
  74         if (ret)
  75                 return ret;
  76
  77         if (this_board->i_IorangeBase1)
  78                 dev->iobase = pci_resource_start(pcidev, 1);
  79         else
  80                 dev->iobase = pci_resource_start(pcidev, 0);
  81
  82         devpriv->iobase = dev->iobase;
  83         devpriv->i_IobaseAmcc = pci_resource_start(pcidev, 0);
  84         devpriv->i_IobaseAddon = pci_resource_start(pcidev, 2);
  85         devpriv->i_IobaseReserved = pci_resource_start(pcidev, 3);
  86
  87         if (pcidev->irq > 0) {
  88                 ret = request_irq(pcidev->irq, v_ADDI_Interrupt, IRQF_SHARED,
  89                                   dev->board_name, dev);
  90                 if (ret == 0)
  91                         dev->irq = pcidev->irq;
  92         }
  93
  94         i_ADDI_AttachPCI1710(dev);
  95
  96         devpriv->s_BoardInfos.ui_Address = pci_resource_start(pcidev, 2);
  97
  98         i_APCI1710_Reset(dev);
  99         return 0;
 100 }
 101
 102 static void apci1710_detach(struct comedi_device *dev)
 103 {
 104         struct pci_dev *pcidev = comedi_to_pci_dev(dev);
 105
 106         if (dev->iobase)
 107                 i_APCI1710_Reset(dev);
 108         if (dev->irq)
 109                 free_irq(dev->irq, dev);
 110         if (pcidev) {
 111                 if (dev->iobase)
 112                         comedi_pci_disable(pcidev);
 113         }
 114 }
 115
 116 static struct comedi_driver apci1710_driver = {
 117         .driver_name    = "addi_apci_1710",
 118         .module         = THIS_MODULE,
 119         .auto_attach    = apci1710_auto_attach,
 120         .detach         = apci1710_detach,
 121 };
 122
 123 static int apci1710_pci_probe(struct pci_dev *dev,
 124                               const struct pci_device_id *id)
 125 {
 126         return comedi_pci_auto_config(dev, &apci1710_driver, id->driver_data);
 127 }
 128
 129 static DEFINE_PCI_DEVICE_TABLE(apci1710_pci_table) = {
 130         { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA_OLD, APCI1710_BOARD_DEVICE_ID) },
 131         { 0 }
 132 };
 133 MODULE_DEVICE_TABLE(pci, apci1710_pci_table);
 134
 135 static struct pci_driver apci1710_pci_driver = {
 136         .name           = "addi_apci_1710",
 137         .id_table       = apci1710_pci_table,
 138         .probe          = apci1710_pci_probe,
 139         .remove         = comedi_pci_auto_unconfig,
 140 };
 141 module_comedi_pci_driver(apci1710_driver, apci1710_pci_driver);
 142
 143 MODULE_AUTHOR("Comedi http://www.comedi.org");
 144 MODULE_DESCRIPTION("Comedi low-level driver");
 145 MODULE_LICENSE("GPL");