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root/include/linux/usb_usual.h

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/*
 * Interface to the libusual.
 *
 * Copyright (c) 2005 Pete Zaitcev <zaitcev@redhat.com>
 * Copyright (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
 * Copyright (c) 1999 Michael Gee (michael@linuxspecific.com)
 */

#ifndef __LINUX_USB_USUAL_H
#define __LINUX_USB_USUAL_H


/* We should do this for cleanliness... But other usb_foo.h do not do this. */
/* #include <linux/usb.h> */

/*
 * The flags field, which we store in usb_device_id.driver_info.
 * It is compatible with the old usb-storage flags in lower 24 bits.
 */

/*
 * Static flag definitions.  We use this roundabout technique so that the
 * proc_info() routine can automatically display a message for each flag.
 */
#define US_DO_ALL_FLAGS                                         \
        US_FLAG(SINGLE_LUN,     0x00000001)                     \
                /* allow access to only LUN 0 */                \
        US_FLAG(NEED_OVERRIDE,  0x00000002)                     \
                /* unusual_devs entry is necessary */           \
        US_FLAG(SCM_MULT_TARG,  0x00000004)                     \
                /* supports multiple targets */                 \
        US_FLAG(FIX_INQUIRY,    0x00000008)                     \
                /* INQUIRY response needs faking */             \
        US_FLAG(FIX_CAPACITY,   0x00000010)                     \
                /* READ CAPACITY response too big */            \
        US_FLAG(IGNORE_RESIDUE, 0x00000020)                     \
                /* reported residue is wrong */                 \
        US_FLAG(BULK32,         0x00000040)                     \
                /* Uses 32-byte CBW length */                   \
        US_FLAG(NOT_LOCKABLE,   0x00000080)                     \
                /* PREVENT/ALLOW not supported */               \
        US_FLAG(GO_SLOW,        0x00000100)                     \
                /* Need delay after Command phase */            \
        US_FLAG(NO_WP_DETECT,   0x00000200)                     \
                /* Don't check for write-protect */             \
        US_FLAG(MAX_SECTORS_64, 0x00000400)                     \
                /* Sets max_sectors to 64    */                 \
        US_FLAG(IGNORE_DEVICE,  0x00000800)                     \
                /* Don't claim device */                        \
        US_FLAG(CAPACITY_HEURISTICS,    0x00001000)             \
                /* sometimes sizes is too big */                \
        US_FLAG(MAX_SECTORS_MIN,0x00002000)                     \
                /* Sets max_sectors to arch min */              \
        US_FLAG(BULK_IGNORE_TAG,0x00004000)                     \
                /* Ignore tag mismatch in bulk operations */


#define US_FLAG(name, value)    US_FL_##name = value ,
enum { US_DO_ALL_FLAGS };
#undef US_FLAG

/*
 * The bias field for libusual and friends.
 */
#define USB_US_TYPE_NONE   0
#define USB_US_TYPE_STOR   1            /* usb-storage */
#define USB_US_TYPE_UB     2            /* ub */

#define USB_US_TYPE(flags)              (((flags) >> 24) & 0xFF)
#define USB_US_ORIG_FLAGS(flags)        ((flags) & 0x00FFFFFF)

/*
 * This is probably not the best place to keep these constants, conceptually.
 * But it's the only header included into all places which need them.
 */

/* Sub Classes */

#define US_SC_RBC       0x01            /* Typically, flash devices */
#define US_SC_8020      0x02            /* CD-ROM */
#define US_SC_QIC       0x03            /* QIC-157 Tapes */
#define US_SC_UFI       0x04            /* Floppy */
#define US_SC_8070      0x05            /* Removable media */
#define US_SC_SCSI      0x06            /* Transparent */
#define US_SC_LOCKABLE  0x07            /* Password-protected */

#define US_SC_ISD200    0xf0            /* ISD200 ATA */
#define US_SC_CYP_ATACB 0xf1            /* Cypress ATACB */
#define US_SC_DEVICE    0xff            /* Use device's value */

/* Protocols */

#define US_PR_CBI       0x00            /* Control/Bulk/Interrupt */
#define US_PR_CB        0x01            /* Control/Bulk w/o interrupt */
#define US_PR_BULK      0x50            /* bulk only */
#ifdef CONFIG_USB_STORAGE_USBAT
#define US_PR_USBAT     0x80            /* SCM-ATAPI bridge */
#endif
#ifdef CONFIG_USB_STORAGE_SDDR09
#define US_PR_EUSB_SDDR09       0x81    /* SCM-SCSI bridge for SDDR-09 */
#endif
#ifdef CONFIG_USB_STORAGE_SDDR55
#define US_PR_SDDR55    0x82            /* SDDR-55 (made up) */
#endif
#define US_PR_DPCM_USB  0xf0            /* Combination CB/SDDR09 */
#ifdef CONFIG_USB_STORAGE_FREECOM
#define US_PR_FREECOM   0xf1            /* Freecom */
#endif
#ifdef CONFIG_USB_STORAGE_DATAFAB
#define US_PR_DATAFAB   0xf2            /* Datafab chipsets */
#endif
#ifdef CONFIG_USB_STORAGE_JUMPSHOT
#define US_PR_JUMPSHOT  0xf3            /* Lexar Jumpshot */
#endif
#ifdef CONFIG_USB_STORAGE_ALAUDA
#define US_PR_ALAUDA    0xf4            /* Alauda chipsets */
#endif
#ifdef CONFIG_USB_STORAGE_KARMA
#define US_PR_KARMA     0xf5            /* Rio Karma */
#endif

#define US_PR_DEVICE    0xff            /* Use device's value */

/*
 */
#ifdef CONFIG_USB_LIBUSUAL

extern struct usb_device_id storage_usb_ids[];
extern void usb_usual_set_present(int type);
extern void usb_usual_clear_present(int type);
extern int usb_usual_check_type(const struct usb_device_id *, int type);
#else

#define usb_usual_set_present(t)        do { } while(0)
#define usb_usual_clear_present(t)      do { } while(0)
#define usb_usual_check_type(id, t)     (0)
#endif /* CONFIG_USB_LIBUSUAL */

#endif /* __LINUX_USB_USUAL_H */

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