quirks.h 1.6 KB

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  1. /*
  2. * This file holds the definitions of quirks found in USB devices.
  3. * Only quirks that affect the whole device, not an interface,
  4. * belong here.
  5. */
  6. #ifndef __LINUX_USB_QUIRKS_H
  7. #define __LINUX_USB_QUIRKS_H
  8. /* string descriptors must not be fetched using a 255-byte read */
  9. #define USB_QUIRK_STRING_FETCH_255 0x00000001
  10. /* device can't resume correctly so reset it instead */
  11. #define USB_QUIRK_RESET_RESUME 0x00000002
  12. /* device can't handle Set-Interface requests */
  13. #define USB_QUIRK_NO_SET_INTF 0x00000004
  14. /* device can't handle its Configuration or Interface strings */
  15. #define USB_QUIRK_CONFIG_INTF_STRINGS 0x00000008
  16. /*device will morph if reset, don't use reset for handling errors */
  17. #define USB_QUIRK_RESET_MORPHS 0x00000010
  18. /* device has more interface descriptions than the bNumInterfaces count,
  19. and can't handle talking to these interfaces */
  20. #define USB_QUIRK_HONOR_BNUMINTERFACES 0x00000020
  21. /* device needs a pause during initialization, after we read the device
  22. descriptor */
  23. #define USB_QUIRK_DELAY_INIT 0x00000040
  24. #define USB_QUIRK_OTG_PET 0x00000080
  25. /* device can't handle device_qualifier descriptor requests */
  26. #define USB_QUIRK_DEVICE_QUALIFIER 0x00000100
  27. /*
  28. * For high speed and super speed interupt endpoints, the USB 2.0 and
  29. * USB 3.0 spec require the interval in microframes
  30. * (1 microframe = 125 microseconds) to be calculated as
  31. * interval = 2 ^ (bInterval-1).
  32. *
  33. * Devices with this quirk report their bInterval as the result of this
  34. * calculation instead of the exponent variable used in the calculation.
  35. */
  36. #define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL 0x00000080
  37. #endif /* __LINUX_USB_QUIRKS_H */