staging: comedi: addi_apci_1710: only pci bar 2 is used
[firefly-linux-kernel-4.4.55.git] / 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 irqreturn_t v_ADDI_Interrupt(int irq, void *d)
25 {
26         v_APCI1710_Interrupt(irq, d);
27         return IRQ_RETVAL(1);
28 }
29
30 static int apci1710_auto_attach(struct comedi_device *dev,
31                                           unsigned long context_unused)
32 {
33         struct pci_dev *pcidev = comedi_to_pci_dev(dev);
34         struct addi_private *devpriv;
35         struct comedi_subdevice *s;
36         int ret;
37
38         dev->board_name = dev->driver->driver_name;
39
40         devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
41         if (!devpriv)
42                 return -ENOMEM;
43         dev->private = devpriv;
44
45         ret = comedi_pci_enable(dev);
46         if (ret)
47                 return ret;
48         devpriv->s_BoardInfos.ui_Address = pci_resource_start(pcidev, 2);
49
50         if (pcidev->irq > 0) {
51                 ret = request_irq(pcidev->irq, v_ADDI_Interrupt, IRQF_SHARED,
52                                   dev->board_name, dev);
53                 if (ret == 0)
54                         dev->irq = pcidev->irq;
55         }
56
57         i_ADDI_AttachPCI1710(dev);
58
59         i_APCI1710_Reset(dev);
60         return 0;
61 }
62
63 static void apci1710_detach(struct comedi_device *dev)
64 {
65         if (dev->iobase)
66                 i_APCI1710_Reset(dev);
67         if (dev->irq)
68                 free_irq(dev->irq, dev);
69         comedi_pci_disable(dev);
70 }
71
72 static struct comedi_driver apci1710_driver = {
73         .driver_name    = "addi_apci_1710",
74         .module         = THIS_MODULE,
75         .auto_attach    = apci1710_auto_attach,
76         .detach         = apci1710_detach,
77 };
78
79 static int apci1710_pci_probe(struct pci_dev *dev,
80                               const struct pci_device_id *id)
81 {
82         return comedi_pci_auto_config(dev, &apci1710_driver, id->driver_data);
83 }
84
85 static DEFINE_PCI_DEVICE_TABLE(apci1710_pci_table) = {
86         { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA_OLD, APCI1710_BOARD_DEVICE_ID) },
87         { 0 }
88 };
89 MODULE_DEVICE_TABLE(pci, apci1710_pci_table);
90
91 static struct pci_driver apci1710_pci_driver = {
92         .name           = "addi_apci_1710",
93         .id_table       = apci1710_pci_table,
94         .probe          = apci1710_pci_probe,
95         .remove         = comedi_pci_auto_unconfig,
96 };
97 module_comedi_pci_driver(apci1710_driver, apci1710_pci_driver);
98
99 MODULE_AUTHOR("Comedi http://www.comedi.org");
100 MODULE_DESCRIPTION("Comedi low-level driver");
101 MODULE_LICENSE("GPL");