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