51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* This file holds the definitions of quirks found in USB devices.
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* Only quirks that affect the whole device, not an interface,
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* belong here.
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*/
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#ifndef __LINUX_USB_QUIRKS_H
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#define __LINUX_USB_QUIRKS_H
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/* string descriptors must not be fetched using a 255-byte read */
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#define USB_QUIRK_STRING_FETCH_255 BIT(0)
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/* device can't resume correctly so reset it instead */
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#define USB_QUIRK_RESET_RESUME BIT(1)
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/* device can't handle Set-Interface requests */
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#define USB_QUIRK_NO_SET_INTF BIT(2)
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/* device can't handle its Configuration or Interface strings */
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#define USB_QUIRK_CONFIG_INTF_STRINGS BIT(3)
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/* device can't be reset(e.g morph devices), don't use reset */
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#define USB_QUIRK_RESET BIT(4)
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/* device has more interface descriptions than the bNumInterfaces count,
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and can't handle talking to these interfaces */
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#define USB_QUIRK_HONOR_BNUMINTERFACES BIT(5)
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/* device needs a pause during initialization, after we read the device
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descriptor */
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#define USB_QUIRK_DELAY_INIT BIT(6)
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/*
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* For high speed and super speed interupt endpoints, the USB 2.0 and
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* USB 3.0 spec require the interval in microframes
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* (1 microframe = 125 microseconds) to be calculated as
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* interval = 2 ^ (bInterval-1).
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*
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* Devices with this quirk report their bInterval as the result of this
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* calculation instead of the exponent variable used in the calculation.
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*/
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#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL BIT(7)
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/* device can't handle device_qualifier descriptor requests */
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#define USB_QUIRK_DEVICE_QUALIFIER BIT(8)
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/* device generates spurious wakeup, ignore remote wakeup capability */
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#define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9)
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#endif /* __LINUX_USB_QUIRKS_H */
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