UIO: Remove needless PCI_DEVICE_ID definition from uio_cif.c
[linux-2.6.git] / drivers / uio / uio_cif.c
1 /*
2  * UIO Hilscher CIF card driver
3  *
4  * (C) 2007 Hans J. Koch <hjk@linutronix.de>
5  * Original code (C) 2005 Benedikt Spranger <b.spranger@linutronix.de>
6  *
7  * Licensed under GPL version 2 only.
8  *
9  */
10
11 #include <linux/device.h>
12 #include <linux/module.h>
13 #include <linux/pci.h>
14 #include <linux/uio_driver.h>
15
16 #include <asm/io.h>
17
18 #define PLX9030_INTCSR          0x4C
19 #define INTSCR_INT1_ENABLE      0x01
20 #define INTSCR_INT1_STATUS      0x04
21 #define INT1_ENABLED_AND_ACTIVE (INTSCR_INT1_ENABLE | INTSCR_INT1_STATUS)
22
23 #define PCI_SUBVENDOR_ID_PEP    0x1518
24 #define CIF_SUBDEVICE_PROFIBUS  0x430
25 #define CIF_SUBDEVICE_DEVICENET 0x432
26
27
28 static irqreturn_t hilscher_handler(int irq, struct uio_info *dev_info)
29 {
30         void __iomem *plx_intscr = dev_info->mem[0].internal_addr
31                                         + PLX9030_INTCSR;
32
33         if ((ioread8(plx_intscr) & INT1_ENABLED_AND_ACTIVE)
34             != INT1_ENABLED_AND_ACTIVE)
35                 return IRQ_NONE;
36
37         /* Disable interrupt */
38         iowrite8(ioread8(plx_intscr) & ~INTSCR_INT1_ENABLE, plx_intscr);
39         return IRQ_HANDLED;
40 }
41
42 static int __devinit hilscher_pci_probe(struct pci_dev *dev,
43                                         const struct pci_device_id *id)
44 {
45         struct uio_info *info;
46
47         info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
48         if (!info)
49                 return -ENOMEM;
50
51         if (pci_enable_device(dev))
52                 goto out_free;
53
54         if (pci_request_regions(dev, "hilscher"))
55                 goto out_disable;
56
57         info->mem[0].addr = pci_resource_start(dev, 0);
58         if (!info->mem[0].addr)
59                 goto out_release;
60         info->mem[0].internal_addr = ioremap(pci_resource_start(dev, 0),
61                                              pci_resource_len(dev, 0));
62         if (!info->mem[0].internal_addr)
63                 goto out_release;
64
65         info->mem[0].size = pci_resource_len(dev, 0);
66         info->mem[0].memtype = UIO_MEM_PHYS;
67         info->mem[1].addr = pci_resource_start(dev, 2);
68         info->mem[1].size = pci_resource_len(dev, 2);
69         info->mem[1].memtype = UIO_MEM_PHYS;
70         switch (id->subdevice) {
71                 case CIF_SUBDEVICE_PROFIBUS:
72                         info->name = "CIF_Profibus";
73                         break;
74                 case CIF_SUBDEVICE_DEVICENET:
75                         info->name = "CIF_Devicenet";
76                         break;
77                 default:
78                         info->name = "CIF_???";
79         }
80         info->version = "0.0.1";
81         info->irq = dev->irq;
82         info->irq_flags = IRQF_DISABLED | IRQF_SHARED;
83         info->handler = hilscher_handler;
84
85         if (uio_register_device(&dev->dev, info))
86                 goto out_unmap;
87
88         pci_set_drvdata(dev, info);
89
90         return 0;
91 out_unmap:
92         iounmap(info->mem[0].internal_addr);
93 out_release:
94         pci_release_regions(dev);
95 out_disable:
96         pci_disable_device(dev);
97 out_free:
98         kfree (info);
99         return -ENODEV;
100 }
101
102 static void hilscher_pci_remove(struct pci_dev *dev)
103 {
104         struct uio_info *info = pci_get_drvdata(dev);
105
106         uio_unregister_device(info);
107         pci_release_regions(dev);
108         pci_disable_device(dev);
109         pci_set_drvdata(dev, NULL);
110         iounmap(info->mem[0].internal_addr);
111
112         kfree (info);
113 }
114
115 static struct pci_device_id hilscher_pci_ids[] __devinitdata = {
116         {
117                 .vendor =       PCI_VENDOR_ID_PLX,
118                 .device =       PCI_DEVICE_ID_PLX_9030,
119                 .subvendor =    PCI_SUBVENDOR_ID_PEP,
120                 .subdevice =    CIF_SUBDEVICE_PROFIBUS,
121         },
122         {
123                 .vendor =       PCI_VENDOR_ID_PLX,
124                 .device =       PCI_DEVICE_ID_PLX_9030,
125                 .subvendor =    PCI_SUBVENDOR_ID_PEP,
126                 .subdevice =    CIF_SUBDEVICE_DEVICENET,
127         },
128         { 0, }
129 };
130
131 static struct pci_driver hilscher_pci_driver = {
132         .name = "hilscher",
133         .id_table = hilscher_pci_ids,
134         .probe = hilscher_pci_probe,
135         .remove = hilscher_pci_remove,
136 };
137
138 static int __init hilscher_init_module(void)
139 {
140         return pci_register_driver(&hilscher_pci_driver);
141 }
142
143 static void __exit hilscher_exit_module(void)
144 {
145         pci_unregister_driver(&hilscher_pci_driver);
146 }
147
148 module_init(hilscher_init_module);
149 module_exit(hilscher_exit_module);
150
151 MODULE_LICENSE("GPL v2");
152 MODULE_AUTHOR("Hans J. Koch, Benedikt Spranger");