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14#ifndef _UIO_DRIVER_H_
15#define _UIO_DRIVER_H_
16
17#include <linux/fs.h>
18#include <linux/interrupt.h>
19
20struct module;
21struct uio_map;
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35struct uio_mem {
36 const char *name;
37 phys_addr_t addr;
38 unsigned long size;
39 int memtype;
40 void __iomem *internal_addr;
41 struct uio_map *map;
42};
43
44#define MAX_UIO_MAPS 5
45
46struct uio_portio;
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56struct uio_port {
57 const char *name;
58 unsigned long start;
59 unsigned long size;
60 int porttype;
61 struct uio_portio *portio;
62};
63
64#define MAX_UIO_PORT_REGIONS 5
65
66struct uio_device;
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84struct uio_info {
85 struct uio_device *uio_dev;
86 const char *name;
87 const char *version;
88 struct uio_mem mem[MAX_UIO_MAPS];
89 struct uio_port port[MAX_UIO_PORT_REGIONS];
90 long irq;
91 unsigned long irq_flags;
92 void *priv;
93 irqreturn_t (*handler)(int irq, struct uio_info *dev_info);
94 int (*mmap)(struct uio_info *info, struct vm_area_struct *vma);
95 int (*open)(struct uio_info *info, struct inode *inode);
96 int (*release)(struct uio_info *info, struct inode *inode);
97 int (*irqcontrol)(struct uio_info *info, s32 irq_on);
98};
99
100extern int __must_check
101 __uio_register_device(struct module *owner,
102 struct device *parent,
103 struct uio_info *info);
104
105
106#define uio_register_device(parent, info) \
107 __uio_register_device(THIS_MODULE, parent, info)
108
109extern void uio_unregister_device(struct uio_info *info);
110extern void uio_event_notify(struct uio_info *info);
111
112
113#define UIO_IRQ_CUSTOM -1
114#define UIO_IRQ_NONE 0
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116
117#define UIO_MEM_NONE 0
118#define UIO_MEM_PHYS 1
119#define UIO_MEM_LOGICAL 2
120#define UIO_MEM_VIRTUAL 3
121
122
123#define UIO_PORT_NONE 0
124#define UIO_PORT_X86 1
125#define UIO_PORT_GPIO 2
126#define UIO_PORT_OTHER 3
127
128#endif
129