[PATCH] USB Storage: add alauda support
[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 #include <linux/config.h>
13
14 /* We should do this for cleanliness... But other usb_foo.h do not do this. */
15 /* #include <linux/usb.h> */
16
17 /*
18  * The flags field, which we store in usb_device_id.driver_info.
19  * It is compatible with the old usb-storage flags in lower 24 bits.
20  */
21
22 /*
23  * Static flag definitions.  We use this roundabout technique so that the
24  * proc_info() routine can automatically display a message for each flag.
25  */
26 #define US_DO_ALL_FLAGS                                         \
27         US_FLAG(SINGLE_LUN,     0x00000001)                     \
28                 /* allow access to only LUN 0 */                \
29         US_FLAG(NEED_OVERRIDE,  0x00000002)                     \
30                 /* unusual_devs entry is necessary */           \
31         US_FLAG(SCM_MULT_TARG,  0x00000004)                     \
32                 /* supports multiple targets */                 \
33         US_FLAG(FIX_INQUIRY,    0x00000008)                     \
34                 /* INQUIRY response needs faking */             \
35         US_FLAG(FIX_CAPACITY,   0x00000010)                     \
36                 /* READ CAPACITY response too big */            \
37         US_FLAG(IGNORE_RESIDUE, 0x00000020)                     \
38                 /* reported residue is wrong */                 \
39         US_FLAG(BULK32,         0x00000040)                     \
40                 /* Uses 32-byte CBW length */                   \
41         US_FLAG(NOT_LOCKABLE,   0x00000080)                     \
42                 /* PREVENT/ALLOW not supported */               \
43         US_FLAG(GO_SLOW,        0x00000100)                     \
44                 /* Need delay after Command phase */            \
45         US_FLAG(NO_WP_DETECT,   0x00000200)                     \
46                 /* Don't check for write-protect */             \
47
48 #define US_FLAG(name, value)    US_FL_##name = value ,
49 enum { US_DO_ALL_FLAGS };
50 #undef US_FLAG
51
52 /*
53  * The bias field for libusual and friends.
54  */
55 #define USB_US_TYPE_NONE   0
56 #define USB_US_TYPE_STOR   1            /* usb-storage */
57 #define USB_US_TYPE_UB     2            /* ub */
58
59 #define USB_US_TYPE(flags)              (((flags) >> 24) & 0xFF)
60 #define USB_US_ORIG_FLAGS(flags)        ((flags) & 0x00FFFFFF)
61
62 /*
63  * This is probably not the best place to keep these constants, conceptually.
64  * But it's the only header included into all places which need them.
65  */
66
67 /* Sub Classes */
68
69 #define US_SC_RBC       0x01            /* Typically, flash devices */
70 #define US_SC_8020      0x02            /* CD-ROM */
71 #define US_SC_QIC       0x03            /* QIC-157 Tapes */
72 #define US_SC_UFI       0x04            /* Floppy */
73 #define US_SC_8070      0x05            /* Removable media */
74 #define US_SC_SCSI      0x06            /* Transparent */
75 #define US_SC_ISD200    0x07            /* ISD200 ATA */
76 #define US_SC_MIN       US_SC_RBC
77 #define US_SC_MAX       US_SC_ISD200
78
79 #define US_SC_DEVICE    0xff            /* Use device's value */
80
81 /* Protocols */
82
83 #define US_PR_CBI       0x00            /* Control/Bulk/Interrupt */
84 #define US_PR_CB        0x01            /* Control/Bulk w/o interrupt */
85 #define US_PR_BULK      0x50            /* bulk only */
86 #ifdef CONFIG_USB_STORAGE_USBAT
87 #define US_PR_USBAT     0x80            /* SCM-ATAPI bridge */
88 #endif
89 #ifdef CONFIG_USB_STORAGE_SDDR09
90 #define US_PR_EUSB_SDDR09       0x81    /* SCM-SCSI bridge for SDDR-09 */
91 #endif
92 #ifdef CONFIG_USB_STORAGE_SDDR55
93 #define US_PR_SDDR55    0x82            /* SDDR-55 (made up) */
94 #endif
95 #define US_PR_DPCM_USB  0xf0            /* Combination CB/SDDR09 */
96 #ifdef CONFIG_USB_STORAGE_FREECOM
97 #define US_PR_FREECOM   0xf1            /* Freecom */
98 #endif
99 #ifdef CONFIG_USB_STORAGE_DATAFAB
100 #define US_PR_DATAFAB   0xf2            /* Datafab chipsets */
101 #endif
102 #ifdef CONFIG_USB_STORAGE_JUMPSHOT
103 #define US_PR_JUMPSHOT  0xf3            /* Lexar Jumpshot */
104 #endif
105 #ifdef CONFIG_USB_STORAGE_ALAUDA
106 #define US_PR_ALAUDA    0xf4            /* Alauda chipsets */
107 #endif
108
109 #define US_PR_DEVICE    0xff            /* Use device's value */
110
111 /*
112  */
113 #ifdef CONFIG_USB_LIBUSUAL
114
115 extern struct usb_device_id storage_usb_ids[];
116 extern void usb_usual_set_present(int type);
117 extern void usb_usual_clear_present(int type);
118 extern int usb_usual_check_type(const struct usb_device_id *, int type);
119 #else
120
121 #define usb_usual_set_present(t)        do { } while(0)
122 #define usb_usual_clear_present(t)      do { } while(0)
123 #define usb_usual_check_type(id, t)     (0)
124 #endif /* CONFIG_USB_LIBUSUAL */
125
126 #endif /* __LINUX_USB_USUAL_H */