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[linux-2.6.git] / include / linux / usb_usual.h
1 /*
2  * Interface to the libusual.
3  *
4  * Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
5  * Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
6  * Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
7  */
8
9 #ifndef __LINUX_USB_USUAL_H
10 #define __LINUX_USB_USUAL_H
11
12
13 /* We should do this for cleanliness... But other usb_foo.h do not do this. */
14 /* #include <linux/usb.h> */
15
16 /*
17  * The flags field, which we store in usb_device_id.driver_info.
18  * It is compatible with the old usb-storage flags in lower 24 bits.
19  */
20
21 /*
22  * Static flag definitions.  We use this roundabout technique so that the
23  * proc_info() routine can automatically display a message for each flag.
24  */
25 #define US_DO_ALL_FLAGS                                         \
26         US_FLAG(SINGLE_LUN,     0x00000001)                     \
27                 /* allow access to only LUN 0 */                \
28         US_FLAG(NEED_OVERRIDE,  0x00000002)                     \
29                 /* unusual_devs entry is necessary */           \
30         US_FLAG(SCM_MULT_TARG,  0x00000004)                     \
31                 /* supports multiple targets */                 \
32         US_FLAG(FIX_INQUIRY,    0x00000008)                     \
33                 /* INQUIRY response needs faking */             \
34         US_FLAG(FIX_CAPACITY,   0x00000010)                     \
35                 /* READ CAPACITY response too big */            \
36         US_FLAG(IGNORE_RESIDUE, 0x00000020)                     \
37                 /* reported residue is wrong */                 \
38         US_FLAG(BULK32,         0x00000040)                     \
39                 /* Uses 32-byte CBW length */                   \
40         US_FLAG(NOT_LOCKABLE,   0x00000080)                     \
41                 /* PREVENT/ALLOW not supported */               \
42         US_FLAG(GO_SLOW,        0x00000100)                     \
43                 /* Need delay after Command phase */            \
44         US_FLAG(NO_WP_DETECT,   0x00000200)                     \
45                 /* Don't check for write-protect */             \
46         US_FLAG(MAX_SECTORS_64, 0x00000400)                     \
47                 /* Sets max_sectors to 64    */                 \
48         US_FLAG(IGNORE_DEVICE,  0x00000800)                     \
49                 /* Don't claim device */                        \
50         US_FLAG(CAPACITY_HEURISTICS,    0x00001000)             \
51                 /* sometimes sizes is too big */                \
52         US_FLAG(MAX_SECTORS_MIN,0x00002000)                     \
53                 /* Sets max_sectors to arch min */              \
54         US_FLAG(BULK_IGNORE_TAG,0x00004000)                     \
55                 /* Ignore tag mismatch in bulk operations */    \
56         US_FLAG(SANE_SENSE,     0x00008000)                     \
57                 /* Sane Sense (> 18 bytes) */                   \
58         US_FLAG(CAPACITY_OK,    0x00010000)                     \
59                 /* READ CAPACITY response is correct */         \
60         US_FLAG(BAD_SENSE,      0x00020000)                     \
61                 /* Bad Sense (never more than 18 bytes) */      \
62         US_FLAG(NO_READ_DISC_INFO,      0x00040000)             \
63                 /* cannot handle READ_DISC_INFO */              \
64         US_FLAG(NO_READ_CAPACITY_16,    0x00080000)             \
65                 /* cannot handle READ_CAPACITY_16 */            \
66         US_FLAG(INITIAL_READ10, 0x00100000)                     \
67                 /* Initial READ(10) (and others) must be retried */
68
69 #define US_FLAG(name, value)    US_FL_##name = value ,
70 enum { US_DO_ALL_FLAGS };
71 #undef US_FLAG
72
73 /*
74  * The bias field for libusual and friends.
75  */
76 #define USB_US_TYPE_NONE   0
77 #define USB_US_TYPE_STOR   1            /* usb-storage */
78 #define USB_US_TYPE_UB     2            /* ub */
79
80 #define USB_US_TYPE(flags)              (((flags) >> 24) & 0xFF)
81 #define USB_US_ORIG_FLAGS(flags)        ((flags) & 0x00FFFFFF)
82
83 #include <linux/usb/storage.h>
84
85 /*
86  */
87 extern int usb_usual_ignore_device(struct usb_interface *intf);
88 extern struct usb_device_id usb_storage_usb_ids[];
89
90 #ifdef CONFIG_USB_LIBUSUAL
91
92 extern void usb_usual_set_present(int type);
93 extern void usb_usual_clear_present(int type);
94 extern int usb_usual_check_type(const struct usb_device_id *, int type);
95 #else
96
97 #define usb_usual_set_present(t)        do { } while(0)
98 #define usb_usual_clear_present(t)      do { } while(0)
99 #define usb_usual_check_type(id, t)     (0)
100 #endif /* CONFIG_USB_LIBUSUAL */
101
102 #endif /* __LINUX_USB_USUAL_H */