1 files changed, 266 insertions, 0 deletions

diff --git a/include/uapi/linux/usb/ch11.h b/include/uapi/linux/usb/ch11.h
new file mode 100644
index 000000000000..7692dc69ccf7
--- /dev/null
+++ b/include/uapi/linux/usb/ch11.h
@@ -0,0 +1,266 @@
+/*
+ * This file holds Hub protocol constants and data structures that are
+ * defined in chapter 11 (Hub Specification) of the USB 2.0 specification.
+ *
+ * It is used/shared between the USB core, the HCDs and couple of other USB
+ * drivers.
+ */
+
+#ifndef __LINUX_CH11_H
+#define __LINUX_CH11_H
+
+#include <linux/types.h>        /* __u8 etc */
+
+/*
+ * Hub request types
+ */
+
+#define USB_RT_HUB      (USB_TYPE_CLASS | USB_RECIP_DEVICE)
+#define USB_RT_PORT     (USB_TYPE_CLASS | USB_RECIP_OTHER)
+
+/*
+ * Hub class requests
+ * See USB 2.0 spec Table 11-16
+ */
+#define HUB_CLEAR_TT_BUFFER     8
+#define HUB_RESET_TT            9
+#define HUB_GET_TT_STATE        10
+#define HUB_STOP_TT             11
+
+/*
+ * Hub class additional requests defined by USB 3.0 spec
+ * See USB 3.0 spec Table 10-6
+ */
+#define HUB_SET_DEPTH           12
+#define HUB_GET_PORT_ERR_COUNT  13
+
+/*
+ * Hub Class feature numbers
+ * See USB 2.0 spec Table 11-17
+ */
+#define C_HUB_LOCAL_POWER       0
+#define C_HUB_OVER_CURRENT      1
+
+/*
+ * Port feature numbers
+ * See USB 2.0 spec Table 11-17
+ */
+#define USB_PORT_FEAT_CONNECTION        0
+#define USB_PORT_FEAT_ENABLE            1
+#define USB_PORT_FEAT_SUSPEND           2       /* L2 suspend */
+#define USB_PORT_FEAT_OVER_CURRENT      3
+#define USB_PORT_FEAT_RESET             4
+#define USB_PORT_FEAT_L1                5       /* L1 suspend */
+#define USB_PORT_FEAT_POWER             8
+#define USB_PORT_FEAT_LOWSPEED          9       /* Should never be used */
+#define USB_PORT_FEAT_C_CONNECTION      16
+#define USB_PORT_FEAT_C_ENABLE          17
+#define USB_PORT_FEAT_C_SUSPEND         18
+#define USB_PORT_FEAT_C_OVER_CURRENT    19
+#define USB_PORT_FEAT_C_RESET           20
+#define USB_PORT_FEAT_TEST              21
+#define USB_PORT_FEAT_INDICATOR         22
+#define USB_PORT_FEAT_C_PORT_L1         23
+
+/*
+ * Port feature selectors added by USB 3.0 spec.
+ * See USB 3.0 spec Table 10-7
+ */
+#define USB_PORT_FEAT_LINK_STATE                5
+#define USB_PORT_FEAT_U1_TIMEOUT                23
+#define USB_PORT_FEAT_U2_TIMEOUT                24
+#define USB_PORT_FEAT_C_PORT_LINK_STATE         25
+#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR       26
+#define USB_PORT_FEAT_REMOTE_WAKE_MASK          27
+#define USB_PORT_FEAT_BH_PORT_RESET             28
+#define USB_PORT_FEAT_C_BH_PORT_RESET           29
+#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT       30
+
+#define USB_PORT_LPM_TIMEOUT(p)                 (((p) & 0xff) << 8)
+
+/* USB 3.0 hub remote wake mask bits, see table 10-14 */
+#define USB_PORT_FEAT_REMOTE_WAKE_CONNECT       (1 << 8)
+#define USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT    (1 << 9)
+#define USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT  (1 << 10)
+
+/*
+ * Hub Status and Hub Change results
+ * See USB 2.0 spec Table 11-19 and Table 11-20
+ */
+struct usb_port_status {
+        __le16 wPortStatus;
+        __le16 wPortChange;
+} __attribute__ ((packed));
+
+/*
+ * wPortStatus bit field
+ * See USB 2.0 spec Table 11-21
+ */
+#define USB_PORT_STAT_CONNECTION        0x0001
+#define USB_PORT_STAT_ENABLE            0x0002
+#define USB_PORT_STAT_SUSPEND           0x0004
+#define USB_PORT_STAT_OVERCURRENT       0x0008
+#define USB_PORT_STAT_RESET             0x0010
+#define USB_PORT_STAT_L1                0x0020
+/* bits 6 to 7 are reserved */
+#define USB_PORT_STAT_POWER             0x0100
+#define USB_PORT_STAT_LOW_SPEED         0x0200
+#define USB_PORT_STAT_HIGH_SPEED        0x0400
+#define USB_PORT_STAT_TEST              0x0800
+#define USB_PORT_STAT_INDICATOR         0x1000
+/* bits 13 to 15 are reserved */
+
+/*
+ * Additions to wPortStatus bit field from USB 3.0
+ * See USB 3.0 spec Table 10-10
+ */
+#define USB_PORT_STAT_LINK_STATE        0x01e0
+#define USB_SS_PORT_STAT_POWER          0x0200
+#define USB_SS_PORT_STAT_SPEED          0x1c00
+#define USB_PORT_STAT_SPEED_5GBPS       0x0000
+/* Valid only if port is enabled */
+/* 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)
+
+/*
+ * Definitions for PORT_LINK_STATE values
+ * (bits 5-8) in wPortStatus
+ */
+#define USB_SS_PORT_LS_U0               0x0000
+#define USB_SS_PORT_LS_U1               0x0020
+#define USB_SS_PORT_LS_U2               0x0040
+#define USB_SS_PORT_LS_U3               0x0060
+#define USB_SS_PORT_LS_SS_DISABLED      0x0080
+#define USB_SS_PORT_LS_RX_DETECT        0x00a0
+#define USB_SS_PORT_LS_SS_INACTIVE      0x00c0
+#define USB_SS_PORT_LS_POLLING          0x00e0
+#define USB_SS_PORT_LS_RECOVERY         0x0100
+#define USB_SS_PORT_LS_HOT_RESET        0x0120
+#define USB_SS_PORT_LS_COMP_MOD         0x0140
+#define USB_SS_PORT_LS_LOOPBACK         0x0160
+
+/*
+ * wPortChange bit field
+ * See USB 2.0 spec Table 11-22 and USB 2.0 LPM ECN Table-4.10
+ * Bits 0 to 5 shown, bits 6 to 15 are reserved
+ */
+#define USB_PORT_STAT_C_CONNECTION      0x0001
+#define USB_PORT_STAT_C_ENABLE          0x0002
+#define USB_PORT_STAT_C_SUSPEND         0x0004
+#define USB_PORT_STAT_C_OVERCURRENT     0x0008
+#define USB_PORT_STAT_C_RESET           0x0010
+#define USB_PORT_STAT_C_L1              0x0020
+/*
+ * USB 3.0 wPortChange bit fields
+ * See USB 3.0 spec Table 10-11
+ */
+#define USB_PORT_STAT_C_BH_RESET        0x0020
+#define USB_PORT_STAT_C_LINK_STATE      0x0040
+#define USB_PORT_STAT_C_CONFIG_ERROR    0x0080
+
+/*
+ * wHubCharacteristics (masks)
+ * See USB 2.0 spec Table 11-13, offset 3
+ */
+#define HUB_CHAR_LPSM           0x0003 /* Logical Power Switching Mode mask */
+#define HUB_CHAR_COMMON_LPSM    0x0000 /* All ports power control at once */
+#define HUB_CHAR_INDV_PORT_LPSM 0x0001 /* per-port power control */
+#define HUB_CHAR_NO_LPSM        0x0002 /* no power switching */
+
+#define HUB_CHAR_COMPOUND       0x0004 /* hub is part of a compound device */
+
+#define HUB_CHAR_OCPM           0x0018 /* Over-Current Protection Mode mask */
+#define HUB_CHAR_COMMON_OCPM    0x0000 /* All ports Over-Current reporting */
+#define HUB_CHAR_INDV_PORT_OCPM 0x0008 /* per-port Over-current reporting */
+#define HUB_CHAR_NO_OCPM        0x0010 /* No Over-current Protection support */
+
+#define HUB_CHAR_TTTT           0x0060 /* TT Think Time mask */
+#define HUB_CHAR_PORTIND        0x0080 /* per-port indicators (LEDs) */
+
+struct usb_hub_status {
+        __le16 wHubStatus;
+        __le16 wHubChange;
+} __attribute__ ((packed));
+
+/*
+ * Hub Status & Hub Change bit masks
+ * See USB 2.0 spec Table 11-19 and Table 11-20
+ * Bits 0 and 1 for wHubStatus and wHubChange
+ * Bits 2 to 15 are reserved for both
+ */
+#define HUB_STATUS_LOCAL_POWER  0x0001
+#define HUB_STATUS_OVERCURRENT  0x0002
+#define HUB_CHANGE_LOCAL_POWER  0x0001
+#define HUB_CHANGE_OVERCURRENT  0x0002
+
+
+/*
+ * Hub descriptor
+ * See USB 2.0 spec Table 11-13
+ */
+
+#define USB_DT_HUB                      (USB_TYPE_CLASS | 0x09)
+#define USB_DT_SS_HUB                   (USB_TYPE_CLASS | 0x0a)
+#define USB_DT_HUB_NONVAR_SIZE          7
+#define USB_DT_SS_HUB_SIZE              12
+
+/*
+ * Hub Device descriptor
+ * USB Hub class device protocols