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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [uio_driver.h] - Blame information for rev 81

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/*
 * include/linux/uio_driver.h
 *
 * Copyright(C) 2005, Benedikt Spranger <b.spranger@linutronix.de>
 * Copyright(C) 2005, Thomas Gleixner <tglx@linutronix.de>
 * Copyright(C) 2006, Hans J. Koch <hjk@linutronix.de>
 * Copyright(C) 2006, Greg Kroah-Hartman <greg@kroah.com>
 *
 * Userspace IO driver.
 *
 * Licensed under the GPLv2 only.
 */
 
#ifndef _UIO_DRIVER_H_
#define _UIO_DRIVER_H_
 
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
 
/**
 * struct uio_mem - description of a UIO memory region
 * @kobj:               kobject for this mapping
 * @addr:               address of the device's memory
 * @size:               size of IO
 * @memtype:            type of memory addr points to
 * @internal_addr:      ioremap-ped version of addr, for driver internal use
 */
struct uio_mem {
        struct kobject          kobj;
        unsigned long           addr;
        unsigned long           size;
        int                     memtype;
        void __iomem            *internal_addr;
};
 
#define MAX_UIO_MAPS    5
 
struct uio_device;
 
/**
 * struct uio_info - UIO device capabilities
 * @uio_dev:            the UIO device this info belongs to
 * @name:               device name
 * @version:            device driver version
 * @mem:                list of mappable memory regions, size==0 for end of list
 * @irq:                interrupt number or UIO_IRQ_CUSTOM
 * @irq_flags:          flags for request_irq()
 * @priv:               optional private data
 * @handler:            the device's irq handler
 * @mmap:               mmap operation for this uio device
 * @open:               open operation for this uio device
 * @release:            release operation for this uio device
 */
struct uio_info {
        struct uio_device       *uio_dev;
        char                    *name;
        char                    *version;
        struct uio_mem          mem[MAX_UIO_MAPS];
        long                    irq;
        unsigned long           irq_flags;
        void                    *priv;
        irqreturn_t (*handler)(int irq, struct uio_info *dev_info);
        int (*mmap)(struct uio_info *info, struct vm_area_struct *vma);
        int (*open)(struct uio_info *info, struct inode *inode);
        int (*release)(struct uio_info *info, struct inode *inode);
};
 
extern int __must_check
        __uio_register_device(struct module *owner,
                              struct device *parent,
                              struct uio_info *info);
static inline int __must_check
        uio_register_device(struct device *parent, struct uio_info *info)
{
        return __uio_register_device(THIS_MODULE, parent, info);
}
extern void uio_unregister_device(struct uio_info *info);
extern void uio_event_notify(struct uio_info *info);
 
/* defines for uio_device->irq */
#define UIO_IRQ_CUSTOM  -1
#define UIO_IRQ_NONE    -2
 
/* defines for uio_device->memtype */
#define UIO_MEM_NONE    0
#define UIO_MEM_PHYS    1
#define UIO_MEM_LOGICAL 2
#define UIO_MEM_VIRTUAL 3
 
#endif /* _LINUX_UIO_DRIVER_H_ */

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* include/linux/uio_driver.h`
3			`*`
4			`* Copyright(C) 2005, Benedikt Spranger <b.spranger@linutronix.de>`
5			`* Copyright(C) 2005, Thomas Gleixner <tglx@linutronix.de>`
6			`* Copyright(C) 2006, Hans J. Koch <hjk@linutronix.de>`
7			`* Copyright(C) 2006, Greg Kroah-Hartman <greg@kroah.com>`
8			`*`
9			`* Userspace IO driver.`
10			`*`
11			`* Licensed under the GPLv2 only.`
12			`*/`
13
14			`#ifndef _UIO_DRIVER_H_`
15			`#define _UIO_DRIVER_H_`
16
17			`#include <linux/module.h>`
18			`#include <linux/fs.h>`
19			`#include <linux/interrupt.h>`
20
21			`/**`
22			`* struct uio_mem - description of a UIO memory region`
23			`* @kobj: kobject for this mapping`
24			`* @addr: address of the device's memory`
25			`* @size: size of IO`
26			`* @memtype: type of memory addr points to`
27			`* @internal_addr: ioremap-ped version of addr, for driver internal use`
28			`*/`
29			`struct uio_mem {`
30			`struct kobject kobj;`
31			`unsigned long addr;`
32			`unsigned long size;`
33			`int memtype;`
34			`void __iomem *internal_addr;`
35			`};`
36
37			`#define MAX_UIO_MAPS 5`
38
39			`struct uio_device;`
40
41			`/**`
42			`* struct uio_info - UIO device capabilities`
43			`* @uio_dev: the UIO device this info belongs to`
44			`* @name: device name`
45			`* @version: device driver version`
46			`* @mem: list of mappable memory regions, size==0 for end of list`
47			`* @irq: interrupt number or UIO_IRQ_CUSTOM`
48			`* @irq_flags: flags for request_irq()`
49			`* @priv: optional private data`
50			`* @handler: the device's irq handler`
51			`* @mmap: mmap operation for this uio device`
52			`* @open: open operation for this uio device`
53			`* @release: release operation for this uio device`
54			`*/`
55			`struct uio_info {`
56			`struct uio_device *uio_dev;`
57			`char *name;`
58			`char *version;`
59			`struct uio_mem mem[MAX_UIO_MAPS];`
60			`long irq;`
61			`unsigned long irq_flags;`
62			`void *priv;`
63			`irqreturn_t (handler)(int irq, struct uio_info dev_info);`
64			`int (mmap)(struct uio_info info, struct vm_area_struct *vma);`
65			`int (open)(struct uio_info info, struct inode *inode);`
66			`int (release)(struct uio_info info, struct inode *inode);`
67			`};`
68
69			`extern int __must_check`
70			`__uio_register_device(struct module *owner,`
71			`struct device *parent,`
72			`struct uio_info *info);`
73			`static inline int __must_check`
74			`uio_register_device(struct device parent, struct uio_info info)`
75			`{`
76			`return __uio_register_device(THIS_MODULE, parent, info);`
77			`}`
78			`extern void uio_unregister_device(struct uio_info *info);`
79			`extern void uio_event_notify(struct uio_info *info);`
80
81			`/* defines for uio_device->irq */`
82			`#define UIO_IRQ_CUSTOM -1`
83			`#define UIO_IRQ_NONE -2`
84
85			`/* defines for uio_device->memtype */`
86			`#define UIO_MEM_NONE 0`
87			`#define UIO_MEM_PHYS 1`
88			`#define UIO_MEM_LOGICAL 2`
89			`#define UIO_MEM_VIRTUAL 3`
90
91			`#endif /* _LINUX_UIO_DRIVER_H_ */`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [uio_driver.h] - Blame information for rev 81