Adding hub SuperSpeed usb definitions as defined by ch10 of the USB3.0
spec.
This patch is a preparation for adding SuperSpeed support to the dummy_hcd.
Signed-off-by: Tatyana Brokhman <tlinder@xxxxxxxxxxxxxx>
---
include/linux/usb/ch11.h | 47 ++++++++++++++++++++++++++++++++++++++++++++++
include/linux/usb/hcd.h | 4 +++
2 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h
index 119194c..38a6a22 100644
--- a/include/linux/usb/ch11.h
+++ b/include/linux/usb/ch11.h
@@ -28,6 +28,13 @@
#define HUB_STOP_TT 11
/*
+ * Hub class aditional 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
*/
@@ -83,6 +90,21 @@ struct usb_port_status {
/* bits 13 to 15 are reserved */
#define USB_PORT_STAT_SUPER_SPEED 0x8000 /* Linux-internal */
+
+/*
+ * 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_LINK_STATE 25
+#define USB_PORT_FEAT_C_CONFIG_ERR 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
+
/*
* wPortChange bit field
* See USB 2.0 spec Table 11-22
@@ -121,6 +143,31 @@ struct usb_hub_status {
#define HUB_CHANGE_LOCAL_POWER 0x0001
#define HUB_CHANGE_OVERCURRENT 0x0002
+/*
+ * Additions to wPortStatus bit filed 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_PORT_STAT_SPEED_5GBPS 0x0000
+/* Valid only if port is enabled */
+
+/*
+ * Defenitions 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
/*
* Hub descriptor
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 3b571f1..d7738de 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -469,6 +469,10 @@ extern void usb_ep0_reinit(struct usb_device *);
/*-------------------------------------------------------------------------*/
+/* class requests from USB 3.0 hub spec, table 10-5 */
+#define SetHubDepth (0x3000 | HUB_SET_DEPTH)
+#define GetPortErrorCount (0x8000 | HUB_GET_PORT_ERR_COUNT)
+
/*
* Generic bandwidth allocation constants/support
*/
--
1.6.3.3
--
Sent by an consultant of the Qualcomm Inovation Center, Inc.
The Qualcomm Inovation Center, Inc.is a member of the Code Aurora Forum.
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