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 */