Merge branch 'linus' into timers/hrtimers
[linux-2.6] / 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
57
58 #define US_FLAG(name, value)    US_FL_##name = value ,
59 enum { US_DO_ALL_FLAGS };
60 #undef US_FLAG
61
62 /*
63  * The bias field for libusual and friends.
64  */
65 #define USB_US_TYPE_NONE   0
66 #define USB_US_TYPE_STOR   1            /* usb-storage */
67 #define USB_US_TYPE_UB     2            /* ub */
68
69 #define USB_US_TYPE(flags)              (((flags) >> 24) & 0xFF)
70 #define USB_US_ORIG_FLAGS(flags)        ((flags) & 0x00FFFFFF)
71
72 /*
73  * This is probably not the best place to keep these constants, conceptually.
74  * But it's the only header included into all places which need them.
75  */
76
77 /* Sub Classes */
78
79 #define US_SC_RBC       0x01            /* Typically, flash devices */
80 #define US_SC_8020      0x02            /* CD-ROM */
81 #define US_SC_QIC       0x03            /* QIC-157 Tapes */
82 #define US_SC_UFI       0x04            /* Floppy */
83 #define US_SC_8070      0x05            /* Removable media */
84 #define US_SC_SCSI      0x06            /* Transparent */
85 #define US_SC_LOCKABLE  0x07            /* Password-protected */
86
87 #define US_SC_ISD200    0xf0            /* ISD200 ATA */
88 #define US_SC_CYP_ATACB 0xf1            /* Cypress ATACB */
89 #define US_SC_DEVICE    0xff            /* Use device's value */
90
91 /* Protocols */
92
93 #define US_PR_CBI       0x00            /* Control/Bulk/Interrupt */
94 #define US_PR_CB        0x01            /* Control/Bulk w/o interrupt */
95 #define US_PR_BULK      0x50            /* bulk only */
96 #ifdef CONFIG_USB_STORAGE_USBAT
97 #define US_PR_USBAT     0x80            /* SCM-ATAPI bridge */
98 #endif
99 #ifdef CONFIG_USB_STORAGE_SDDR09
100 #define US_PR_EUSB_SDDR09       0x81    /* SCM-SCSI bridge for SDDR-09 */
101 #endif
102 #ifdef CONFIG_USB_STORAGE_SDDR55
103 #define US_PR_SDDR55    0x82            /* SDDR-55 (made up) */
104 #endif
105 #define US_PR_DPCM_USB  0xf0            /* Combination CB/SDDR09 */
106 #ifdef CONFIG_USB_STORAGE_FREECOM
107 #define US_PR_FREECOM   0xf1            /* Freecom */
108 #endif
109 #ifdef CONFIG_USB_STORAGE_DATAFAB
110 #define US_PR_DATAFAB   0xf2            /* Datafab chipsets */
111 #endif
112 #ifdef CONFIG_USB_STORAGE_JUMPSHOT
113 #define US_PR_JUMPSHOT  0xf3            /* Lexar Jumpshot */
114 #endif
115 #ifdef CONFIG_USB_STORAGE_ALAUDA
116 #define US_PR_ALAUDA    0xf4            /* Alauda chipsets */
117 #endif
118 #ifdef CONFIG_USB_STORAGE_KARMA
119 #define US_PR_KARMA     0xf5            /* Rio Karma */
120 #endif
121
122 #define US_PR_DEVICE    0xff            /* Use device's value */
123
124 /*
125  */
126 #ifdef CONFIG_USB_LIBUSUAL
127
128 extern struct usb_device_id storage_usb_ids[];
129 extern void usb_usual_set_present(int type);
130 extern void usb_usual_clear_present(int type);
131 extern int usb_usual_check_type(const struct usb_device_id *, int type);
132 #else
133
134 #define usb_usual_set_present(t)        do { } while(0)
135 #define usb_usual_clear_present(t)      do { } while(0)
136 #define usb_usual_check_type(id, t)     (0)
137 #endif /* CONFIG_USB_LIBUSUAL */
138
139 #endif /* __LINUX_USB_USUAL_H */