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-rw-r--r--include/linux/usb/quirks.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
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+++ b/include/linux/usb/quirks.h
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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 */