+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* Note: Part of this code has been derived from linux
*/
#ifndef _USB_DEFS_H_
/*
* Changes to wPortStatus bit field in USB 3.0
- * See USB 3.0 spec Table 10-11
+ * See USB 3.0 spec Table 10-10
*/
#define USB_SS_PORT_STAT_LINK_STATE 0x01e0
#define USB_SS_PORT_STAT_POWER 0x0200
#define USB_SS_PORT_STAT_SPEED 0x1c00
#define USB_SS_PORT_STAT_SPEED_5GBPS 0x0000
+/* Bits that are the same from USB 2.0 */
+#define USB_SS_PORT_STAT_MASK (USB_PORT_STAT_CONNECTION | \
+ USB_PORT_STAT_ENABLE | \
+ USB_PORT_STAT_OVERCURRENT | \
+ USB_PORT_STAT_RESET)
/* wPortChange bits */
#define USB_PORT_STAT_C_CONNECTION 0x0001
#define HUB_CHAR_LPSM 0x0003
#define HUB_CHAR_COMPOUND 0x0004
#define HUB_CHAR_OCPM 0x0018
+#define HUB_CHAR_TTTT 0x0060 /* TT Think Time mask */
/*
* Hub Status & Hub Change bit masks
/* Mask for wIndex in get/set port feature */
#define USB_HUB_PORT_MASK 0xf
+/* Hub class request codes */
+#define USB_REQ_SET_HUB_DEPTH 0x0c
+
+/*
+ * As of USB 2.0, full/low speed devices are segregated into trees.
+ * One type grows from USB 1.1 host controllers (OHCI, UHCI etc).
+ * The other type grows from high speed hubs when they connect to
+ * full/low speed devices using "Transaction Translators" (TTs).
+ */
+struct usb_tt {
+ bool multi; /* true means one TT per port */
+ unsigned think_time; /* think time in ns */
+};
+
/*
* CBI style
*/