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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
51#define US_FLAG(name, value) US_FL_##name = value ,
52enum { US_DO_ALL_FLAGS };
53#undef US_FLAG
54
55/*
56 * The bias field for libusual and friends.
57 */
58#define USB_US_TYPE_NONE 0
59#define USB_US_TYPE_STOR 1 /* usb-storage */
60#define USB_US_TYPE_UB 2 /* ub */
61
62#define USB_US_TYPE(flags) (((flags) >> 24) & 0xFF)
63#define USB_US_ORIG_FLAGS(flags) ((flags) & 0x00FFFFFF)
64
65/*
66 * This is probably not the best place to keep these constants, conceptually.
67 * But it's the only header included into all places which need them.
68 */
69
70/* Sub Classes */
71
72#define US_SC_RBC 0x01 /* Typically, flash devices */
73#define US_SC_8020 0x02 /* CD-ROM */
74#define US_SC_QIC 0x03 /* QIC-157 Tapes */
75#define US_SC_UFI 0x04 /* Floppy */
76#define US_SC_8070 0x05 /* Removable media */
77#define US_SC_SCSI 0x06 /* Transparent */
78#define US_SC_ISD200 0x07 /* ISD200 ATA */
79#define US_SC_MIN US_SC_RBC
80#define US_SC_MAX US_SC_ISD200
81
82#define US_SC_DEVICE 0xff /* Use device's value */
83
84/* Protocols */
85
86#define US_PR_CBI 0x00 /* Control/Bulk/Interrupt */
87#define US_PR_CB 0x01 /* Control/Bulk w/o interrupt */
88#define US_PR_BULK 0x50 /* bulk only */
89#ifdef CONFIG_USB_STORAGE_USBAT
90#define US_PR_USBAT 0x80 /* SCM-ATAPI bridge */
91#endif
92#ifdef CONFIG_USB_STORAGE_SDDR09
93#define US_PR_EUSB_SDDR09 0x81 /* SCM-SCSI bridge for SDDR-09 */
94#endif
95#ifdef CONFIG_USB_STORAGE_SDDR55
96#define US_PR_SDDR55 0x82 /* SDDR-55 (made up) */
97#endif
98#define US_PR_DPCM_USB 0xf0 /* Combination CB/SDDR09 */
99#ifdef CONFIG_USB_STORAGE_FREECOM
100#define US_PR_FREECOM 0xf1 /* Freecom */
101#endif
102#ifdef CONFIG_USB_STORAGE_DATAFAB
103#define US_PR_DATAFAB 0xf2 /* Datafab chipsets */
104#endif
105#ifdef CONFIG_USB_STORAGE_JUMPSHOT
106#define US_PR_JUMPSHOT 0xf3 /* Lexar Jumpshot */
107#endif
108#ifdef CONFIG_USB_STORAGE_ALAUDA
109#define US_PR_ALAUDA 0xf4 /* Alauda chipsets */
110#endif
111
112#define US_PR_DEVICE 0xff /* Use device's value */
113
114/*
115 */
116#ifdef CONFIG_USB_LIBUSUAL
117
118extern struct usb_device_id storage_usb_ids[];
119extern void usb_usual_set_present(int type);
120extern void usb_usual_clear_present(int type);
121extern int usb_usual_check_type(const struct usb_device_id *, int type);
122#else
123
124#define usb_usual_set_present(t) do { } while(0)
125#define usb_usual_clear_present(t) do { } while(0)
126#define usb_usual_check_type(id, t) (0)
127#endif /* CONFIG_USB_LIBUSUAL */
128
129#endif /* __LINUX_USB_USUAL_H */