diff options
Diffstat (limited to 'include/linux/usb/quirks.h')
-rw-r--r-- | include/linux/usb/quirks.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h new file mode 100644 index 000000000..9948c874e --- /dev/null +++ b/include/linux/usb/quirks.h @@ -0,0 +1,50 @@ +/* + * 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 interupt 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) + +#endif /* __LINUX_USB_QUIRKS_H */ |