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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * This file holds the definitions of quirks found in USB devices.
- * Only quirks that affect the whole device, not an interface,
- * belong here.
- */
- #ifndef __LINUX_USB_QUIRKS_H
- #define __LINUX_USB_QUIRKS_H
- /* string descriptors must not be fetched using a 255-byte read */
- #define USB_QUIRK_STRING_FETCH_255 BIT(0)
- /* device can't resume correctly so reset it instead */
- #define USB_QUIRK_RESET_RESUME BIT(1)
- /* device can't handle Set-Interface requests */
- #define USB_QUIRK_NO_SET_INTF BIT(2)
- /* device can't handle its Configuration or Interface strings */
- #define USB_QUIRK_CONFIG_INTF_STRINGS BIT(3)
- /* device can't be reset(e.g morph devices), don't use reset */
- #define USB_QUIRK_RESET BIT(4)
- /* device has more interface descriptions than the bNumInterfaces count,
- and can't handle talking to these interfaces */
- #define USB_QUIRK_HONOR_BNUMINTERFACES BIT(5)
- /* device needs a pause during initialization, after we read the device
- descriptor */
- #define USB_QUIRK_DELAY_INIT BIT(6)
- /*
- * For high speed and super speed interrupt endpoints, the USB 2.0 and
- * USB 3.0 spec require the interval in microframes
- * (1 microframe = 125 microseconds) to be calculated as
- * interval = 2 ^ (bInterval-1).
- *
- * Devices with this quirk report their bInterval as the result of this
- * calculation instead of the exponent variable used in the calculation.
- */
- #define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL BIT(7)
- /* device can't handle device_qualifier descriptor requests */
- #define USB_QUIRK_DEVICE_QUALIFIER BIT(8)
- /* device generates spurious wakeup, ignore remote wakeup capability */
- #define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9)
- /* device can't handle Link Power Management */
- #define USB_QUIRK_NO_LPM BIT(10)
- /*
- * Device reports its bInterval as linear frames instead of the
- * USB 2.0 calculation.
- */
- #define USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL BIT(11)
- /*
- * Device needs to be disconnected before suspend to prevent spurious
- * wakeup.
- */
- #define USB_QUIRK_DISCONNECT_SUSPEND BIT(12)
- /* Device needs a pause after every control message. */
- #define USB_QUIRK_DELAY_CTRL_MSG BIT(13)
- /* Hub needs extra delay after resetting its port. */
- #define USB_QUIRK_HUB_SLOW_RESET BIT(14)
- /* device has endpoints that should be ignored */
- #define USB_QUIRK_ENDPOINT_IGNORE BIT(15)
- #endif /* __LINUX_USB_QUIRKS_H */
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